CN215880091U

CN215880091U - Vertical type fine cutting knife

Info

Publication number: CN215880091U
Application number: CN202122353410.2U
Authority: CN
Inventors: 朱仕廉
Original assignee: Chengdu Yishiyan Electrical Equipment Co ltd
Current assignee: Chengdu Yishiyan Electrical Equipment Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-02-22
Anticipated expiration: 2031-09-27

Abstract

The utility model belongs to the field of metal belt cutting devices, and particularly relates to a vertical precision cutting knife. The specific technical scheme is as follows: the cutting device comprises two fixing seats and two groups of cutting assemblies which are detachably arranged between the two fixing seats and located in the same vertical direction, wherein lower bearing seats are fixedly arranged at the lower ends of the fixing seats, upper bearing seats are slidably arranged at the upper ends of the fixing seats, a top plate is arranged above the upper bearing seats and provided with a first threaded through hole, and an adjusting screw is arranged in the first threaded through hole. Through rotating the adjusting screw, the adjusting screw pushes the upper bearing seat to move downwards on the fixed seat, and the upper bearing seat extrudes the belleville spring, so that the distance between the upper bearing seat and the lower bearing seat is reduced, and the cutting device can be used for cutting metal strips with different thicknesses.

Description

Vertical type fine cutting knife

Technical Field

The utility model belongs to the field of metal belt cutting devices, and particularly relates to a vertical precision cutting knife.

Background

In the production process of the cable, a metal protective layer is usually required to be wrapped outside the cable core, and a copper protective layer is required to be wrapped outside the cable core if necessary. The copper protective layer is usually discharged by a belt placing device, is coated outside the cable core after being cut, and finally is welded and formed in a gap of the copper strip in a welding mode.

Due to the production requirements of different diameters, it is often necessary to trim the metal strip in order to obtain a certain width of the metal strip. Adopt the side cut device to cut metal strip width at present, common side cut device adopts circular roller sword machine to cut, and the strap gets into from the back roller during side cut, comes out from the front roller below, and the strap is by the interlock and reach the purpose of side cut between the roller sword. The edge of the metal belt cut by the edge cutting device has a lot of burrs, the flatness is poor, and the welding is not facilitated; the blade is of an integral large roller type, needs to be integrally replaced after being worn, and is poor in applicability.

SUMMERY OF THE UTILITY MODEL

To solve the problems in the background art, the utility model aims to provide a vertical type finishing cutter.

In order to realize the purpose of the utility model, the technical proposal adopted by the utility model is as follows: the utility model provides a vertical finish-cutting knife, includes two fixing bases and can dismantle the setting between two fixing bases, be located two sets of cutter unit spares of same vertical direction, the fixing base lower extreme is fixed to be provided with the step, the fixing base upper end slides and is provided with bolster bearing housing, the fixing base upper end just is located bolster bearing housing top is provided with the roof, the roof is provided with first screw thread through-hole, be provided with adjusting screw in the first screw thread through-hole, adjusting screw passes first screw thread through-hole with bolster bearing housing is connected, the step with be provided with disc spring between the bolster bearing housing.

Preferably, a first groove is formed in the lower surface of the upper bearing seat, a second groove corresponding to the first groove is formed in the upper surface of the lower bearing seat, a mandrel is arranged in the second groove, and the butterfly spring is sleeved outside the mandrel.

Preferably, the upper bearing seat upper surface is provided with a first cover plate, the first cover plate is provided with a convex cavity, the lower end of the adjusting screw rod extends into the cavity, the cavity comprises an upper cavity and a lower cavity, and the lower end of the adjusting screw rod is provided with a limiting block corresponding to the lower cavity of the cavity.

Preferably, each group of cutter assemblies comprises an upper ring blade and a lower ring blade which are staggered and occluded, the upper ring blade and the lower ring blade are respectively arranged on an upper cutter pressing ring and a lower cutter pressing ring, the upper cutter pressing ring and the lower cutter pressing ring are respectively arranged on an upper cutter shaft and a lower cutter shaft, and the upper cutter shaft and the lower cutter shaft are respectively connected with an upper bearing block and a lower bearing block through bearings; a hollow pressing cylinder is detachably arranged between the two upper pressing cutter rings and the two lower pressing cutter rings.

Preferably, one sides of the upper bearing seat and the lower bearing seat, which are far away from the hollow pressing cylinder, are provided with second cover plates, and the second cover plates are provided with second through holes; the upper cutter shaft and the lower cutter shaft are provided with first through holes along the axis direction, the upper cutter pressing ring and the lower cutter pressing ring are provided with second threaded through holes along the axis direction, the locking screw penetrates through the second through holes and the first through holes, and the lower end of the locking screw is in threaded connection with the second threaded through holes.

Preferably, the fixing seat comprises a seat plate and two vertical plates which are arranged on the seat plate and are opposite to each other, the upper bearing seat and the lower bearing seat are both arranged between the two vertical plates, sliding grooves are formed in the inner sides of the two vertical plates, and the upper bearing seat is provided with sliding protrusions corresponding to the sliding grooves.

Preferably, still include the base and set up the lead screw about on the base, lead screw both ends are connected with the base through the bearing about, and wherein one end is worn out the base is connected with the handle, about the lead screw about two sections threaded connection have two the fixing base, about the lead screw about two sections threads have opposite direction's screw.

Preferably, the base is symmetrically provided with two slide rails along the left and right screw rods, and the lower end of the seat plate is slidably arranged on the two slide rails.

Compared with the prior art, the utility model has the following beneficial effects:

according to the metal strip cutting machine, the lower bearing seat is fixedly arranged at the lower end of the fixed seat, the upper bearing seat is slidably arranged at the upper end of the fixed seat, the top plate is arranged at the upper end of the fixed seat, the first threaded through hole is formed in the top plate, the adjusting screw rod penetrates through the first threaded through hole to be connected with the upper bearing seat, the disc spring is arranged between the upper bearing seat and the lower bearing seat, the adjusting screw rod pushes the upper bearing seat to move downwards on the fixed seat by rotating the adjusting screw rod, and the disc spring is extruded by the upper bearing seat, so that the distance between the upper bearing seat and the lower bearing seat is shortened, and the metal strip cutting machine can be used for cutting metal strips with different thicknesses.

Drawings

FIG. 1 is a schematic view (partially in section) of the overall structure of the present invention;

FIG. 2 is a schematic view of a portion A of FIG. 1;

FIG. 3 is a schematic view of a base structure of the present invention;

fig. 4 is a side view of the present invention.

In the drawings, the reference numbers: the tool comprises a fixed seat 1, an upper bearing seat 2, a lower bearing seat 3, a top plate 4, a first threaded through hole 5, an adjusting screw 6, a belleville spring 7, a first groove 8, a second groove 9, a mandrel 10, a first cover plate 11, a cavity 12, an upper cavity 13, a lower cavity 14, a limiting block 15, an upper ring blade 16, a lower ring blade 17, an upper knife pressing ring 18, a lower knife pressing ring 19, an upper knife shaft 20, a lower knife shaft 21, a hollow pressing cylinder 22, a second cover plate 23, a second through hole 24, a first through hole 25, a second threaded through hole 26, a locking screw 27, a seat plate 28, a vertical plate 29, a base 30, a left screw rod 31, a right screw rod 31, a handle 32, a sliding rail 33, a third groove 34, a first bump 35, an annular knife pad 36 and a third cover plate 37.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1-3, the utility model provides a vertical finishing cutter for cutting a metal strip, which comprises two fixing seats 1 and two groups of cutter assemblies detachably arranged between the two fixing seats 1 and positioned in the same vertical direction, wherein a lower bearing seat 3 is fixedly arranged at the lower end of each fixing seat 1, an upper bearing seat 2 is slidably arranged at the upper end of each fixing seat 1, a top plate 4 is arranged at the upper end of each fixing seat 1 and positioned above the upper bearing seat 2, a first threaded through hole 5 is formed in the top plate 4 along the vertical direction, an adjusting screw 6 is arranged in each first threaded through hole 5, the adjusting screw 6 penetrates through the first threaded through hole 5 to be connected with the upper surface of the upper bearing seat 2, and a belleville spring 7 is arranged between each lower bearing seat 3 and the upper bearing seat 2. That is to say, adjusting screw 6 passes through and is threaded connection between first screw through-hole 5 and roof 4, and adjusting screw 6 and bolster bearing housing 2 are for rotating the connection between, and through rotatory adjusting screw 6, adjusting screw 6 promotes bolster bearing housing 2 and moves down on fixing base 1, and bolster bearing housing 2 extrudes belleville spring 7 to reduce the distance between bolster bearing housing 2 and the lower bearing housing 3, reduce the distance between two bite blades, can be used for the metal strap cutting of different thickness.

Further, the fixing seat 1 includes a seat plate 28 and two vertical plates 29 disposed on the seat plate 28 and opposite to each other, the upper bearing seat 2 and the lower bearing seat 3 are both disposed between the two vertical plates 29, sliding grooves are disposed on opposite inner sides of the two vertical plates 29, sliding protrusions corresponding to the sliding grooves are disposed on the upper bearing seat 2, and the sliding protrusions are inserted into the sliding grooves to enable the upper bearing seat 2 to slide up and down on the fixing seat 1.

Further, in order to limit the position between the upper bearing seat 2 and the lower bearing seat 3, a first groove 8 is formed in the lower surface of the upper bearing seat 2, a second groove 9 corresponding to the first groove 8 is formed in the upper surface of the lower bearing seat 3, a mandrel 10 is fixed in the second groove 9, and the belleville spring 7 is sleeved outside the mandrel 10. When the top end of the mandrel 10 abuts against the inner top surface of the first groove 8, the upper bearing seat 2 moves to the lowest position on the fixed seat 1 and cannot move downwards continuously, so that the minimum distance between the two meshing blades is limited.

Further, a first cover plate 11 is arranged on the upper surface of the upper bearing seat 2, a convex cavity 12 is arranged on the first cover plate 11, for convenience of describing the structure, the convex cavity 12 includes an upper cavity 13 with a smaller diameter and a lower cavity 14 with a larger diameter, the diameter of the lower cavity 14 must be larger than that of the upper cavity 13, the lower end of the adjusting screw 6 extends into the cavity 12, and a limit block 15 corresponding to the lower cavity 14 of the cavity 12 is arranged at the lower end of the adjusting screw 6. It should be noted that the cavity 12 has no threads inside, the diameter of the adjusting screw 6 is slightly smaller than the diameter of the upper cavity 13, and the diameter of the limiting block 15 is slightly smaller than the diameter of the lower cavity 14 and larger than the diameter of the upper cavity 13. In the rotation process of the adjusting screw 6, the first cover plate 11 is kept stationary on the upper surface of the upper bearing seat 2, the limiting block 15 rotates along with the adjusting screw 6 and keeps relatively stationary, and the limiting block 15 can rotate in the lower cavity 14; meanwhile, when the adjusting screw 6 is screwed out upwards, the adjusting screw 6 is prevented from being screwed out of the first cover plate 11, and the adjusting screw 6 is prevented from being separated from the connection with the upper bearing seat 2.

Further, each group of cutter assemblies comprises an upper ring blade 16 and a lower ring blade 17 which are staggered and occluded, the upper ring blade 16 and the lower ring blade 17 are respectively arranged on an upper cutter pressing ring 18 and a lower cutter pressing ring 19, the upper cutter pressing ring 18 and the lower cutter pressing ring 19 are respectively arranged on an upper cutter shaft 20 and a lower cutter shaft 21, and the upper cutter shaft 20 and the lower cutter shaft 21 are respectively connected with the upper bearing block 2 and the lower bearing block 3 through bearings; a hollow pressing cylinder 22 is detachably arranged between the two upper pressing cutter rings 18 and the two lower pressing cutter rings 19. It should be noted that the hollow pressing cylinder 22, the upper pressing knife ring 18 and the upper ring knife 16 have the same outer diameter, so as to ensure that the metal strip is kept flat during cutting, thereby ensuring the cutting precision of the width of the metal strip.

In the specific embodiment, the upper knife shaft 20 is taken as an example, the lower knife shaft 21 and the lower ring blade 17 are arranged in the same manner, one end of the upper knife shaft 20 is provided with a third groove 34 along the axial direction, one end of the upper knife pressing ring 18 close to the upper knife shaft 20 is provided with a first bump 35 corresponding to the third groove 34, and the connection between the upper knife shaft 20 and the upper knife pressing ring 18 is realized through the mutual matching of the first bump 35 and the third groove 34. The upper ring blade 16 is sleeved on the upper cutter shaft 20, one side of the upper ring blade is abutted against the upper cutter pressing ring 18, in order to compress the upper ring blade 16 to prevent the upper cutter from loosening, one side, away from the upper cutter pressing ring 18, of the upper ring blade 16 is provided with an annular cutter pad 36, and the upper ring blade 16 is compressed on the upper cutter pressing ring 18 through the annular cutter pad 36. One end of the upper knife pressing ring 18, which is far away from the upper knife blade 16, is in a step shape, the hollow pressing cylinder 22 is sleeved at the step end of the upper knife pressing ring 18, and the hollow pressing cylinder 22 can be taken down from the upper knife pressing ring 18 by adjusting the distance between the two fixing seats 1.

Further, a second cover plate 23 is arranged on each of the sides of the upper bearing seat 2 and the lower bearing seat 3 away from the hollow pressing cylinder 22, and a second through hole 24 is formed in the second cover plate 23; the upper cutter shaft 20 and the lower cutter shaft 21 are provided with a first through hole 25 along the axial direction thereof, the upper cutter pressing ring 18 and the lower cutter pressing ring 19 are provided with a second threaded through hole 26 along the axial direction thereof, a locking screw 27 penetrates through the second through hole 24 and the first through hole 25, and the lower end of the locking screw 27 is in threaded connection with the second threaded through hole 26. In operation, the locking screw 27 rotates with the arbor. That is, during cutting, the external metal belt traction device pulls the metal belt to move forward, the upper ring blade 16, the upper knife pressing ring 18 and the hollow pressing cylinder 22 rotate together with the upper knife shaft 20, and the lower ring blade 17, the lower knife pressing ring 19 and the hollow pressing cylinder 22 rotate together with the lower knife shaft 21 in opposite directions.

In order to facilitate the disassembly of the hollow pressing cylinder 22, the vertical type precision cutter further comprises a base 30 and a left screw rod 31 and a right screw rod 31 which are arranged on the base 30, wherein two ends of the left screw rod 31 and the right screw rod 31 are connected with the base 30 through bearings, one end of the left screw rod 31 and the other end of the left screw rod 31 penetrate out of the base 30 and are connected with a handle 32, and the other end of the left screw rod 31 are provided with a third cover plate 37 which protects the connecting parts of the bearings and the left screw rod 31 and the right screw rod 31. The left section and the right section of the left screw rod 31 are in threaded connection with the two fixing seats 1, and the left section and the right section of the left screw rod 31 are provided with threads in opposite directions. That is, the handle 32 is rotated, because the two fixing bases 1 are in threaded connection with the left and right screws 31, and the two threads are opposite threads, the two fixing bases 1 are simultaneously close to the middle part to install the hollow pressing cylinder 22, or are simultaneously far away from the middle part to detach the hollow pressing cylinder 22.

Further, in order to allow the two fixing bases 1 to stably move on the left and right screw rods 31, two slide rails 33 are symmetrically arranged on the base 30 along the left and right screw rods 31, and the lower end of the seat plate 28 is slidably arranged on the two slide rails 33.

The working principle of the vertical precision cutter is as follows: by rotating the adjusting screw 6, the lower end of the adjusting screw 6 is connected with the upper end of the upper bearing seat 2, and the opposite inner sides of the two vertical plates 29 are provided with sliding grooves, so that the upper bearing seat 2 can be driven to slide up and down on the fixed seat 1, the feed depth between the engaged upper ring blade 16 and the engaged lower ring blade 17 can be adjusted, and the adjustable upper ring blade and the adjustable lower ring blade are used for cutting metal strips with different thicknesses. The locking screw 27 penetrates through the second through hole 24 and the first through hole 25, the lower end of the locking screw 27 is in threaded connection with the second threaded through hole 26, and when the external traction device pulls the metal belt to move forwards, the ring blade, the cutter pressing ring and the hollow pressing cylinder 22 rotate together with the cutter shaft; by rotating the handle 32, the distance between the two fixed seats 1 can be adjusted, so that the hollow pressing cylinder 22 can be quickly installed or detached.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various changes, modifications, alterations, and substitutions which may be made by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a vertical finish-cutting knife which characterized in that: the cutting tool comprises two fixing seats (1) and two groups of cutting tool assemblies which are detachably arranged between the two fixing seats (1) and located in the same vertical direction, wherein a lower bearing seat (3) is fixedly arranged at the lower end of each fixing seat (1), an upper bearing seat (2) is slidably arranged at the upper end of each fixing seat (1), a top plate (4) is arranged at the upper end of each fixing seat (1) and located above the upper bearing seat (2), a first thread through hole (5) is formed in each top plate (4), an adjusting screw rod (6) is arranged in each first thread through hole (5), each adjusting screw rod (6) penetrates through each first thread through hole (5) to be connected with the upper bearing seat (2), and a butterfly spring (7) is arranged between each lower bearing seat (3) and the upper bearing seat (2).

2. The vertical finishing cutter according to claim 1, wherein: the lower surface of the upper bearing seat (2) is provided with a first groove (8), the upper surface of the lower bearing seat (3) is provided with a second groove (9) corresponding to the first groove (8), a mandrel (10) is arranged in the second groove (9), and the butterfly spring (7) is sleeved outside the mandrel (10).

3. The vertical finishing cutter according to claim 1, wherein: the upper bearing seat (2) is provided with a first cover plate (11) on the upper surface, a convex cavity (12) is arranged on the first cover plate (11), the lower end of the adjusting screw rod (6) extends into the cavity (12), the cavity (12) comprises an upper cavity (13) and a lower cavity (14), and the lower end of the adjusting screw rod (6) is provided with a limiting block (15) corresponding to the lower cavity (14) of the cavity (12).

4. The vertical finishing cutter according to claim 1, wherein: each group of cutter assemblies comprises an upper ring blade (16) and a lower ring blade (17) which are staggered and occluded, the upper ring blade (16) and the lower ring blade (17) are respectively arranged on an upper cutter pressing ring (18) and a lower cutter pressing ring (19), the upper cutter pressing ring (18) and the lower cutter pressing ring (19) are respectively arranged on an upper cutter shaft (20) and a lower cutter shaft (21), and the upper cutter shaft (20) and the lower cutter shaft (21) are respectively connected with an upper bearing block (2) and a lower bearing block (3) through bearings; a hollow pressing cylinder (22) is detachably arranged between the two upper pressing cutter rings (18) and the two lower pressing cutter rings (19).

5. The vertical finishing cutter according to claim 4, wherein: one sides of the upper bearing seat (2) and the lower bearing seat (3) far away from the hollow pressing cylinder (22) are respectively provided with a second cover plate (23), and the second cover plate (23) is provided with a second through hole (24); first through holes (25) are formed in the upper cutter shaft (20) and the lower cutter shaft (21) along the axis direction of the upper cutter shaft, second threaded through holes (26) are formed in the upper cutter pressing ring (18) and the lower cutter pressing ring (19) along the axis direction of the upper cutter shaft, locking screws (27) penetrate through the second through holes (24) and the first through holes (25), and the lower ends of the locking screws (27) are in threaded connection with the second threaded through holes (26).

6. The vertical finishing cutter according to claim 1, wherein: the fixing seat (1) comprises a seat plate (28) and two vertical plates (29) which are arranged on the seat plate (28) and are opposite to each other, the upper bearing seat (2) and the lower bearing seat (3) are arranged between the two vertical plates (29), sliding grooves are formed in the inner sides of the two vertical plates (29), and sliding protrusions corresponding to the sliding grooves are formed in the upper bearing seat (2).

7. The vertical finishing cutter according to claim 6, wherein: still include base (30) and set up lead screw (31) about on base (30), lead screw (31) both ends are passed through the bearing and are connected with base (30) about, and wherein one end is worn out base (30) are connected with handle (32), about lead screw (31) about two sections threaded connection have two fixing base (1), about lead screw (31) about two sections have opposite direction's screw thread.

8. The vertical finishing cutter according to claim 7, wherein: two sliding rails (33) are symmetrically arranged on the base (30) along the left screw rod and the right screw rod (31), and the lower end of the seat plate (28) is arranged on the two sliding rails (33) in a sliding manner.