CN216966135U

CN216966135U - Shaft cutting structure

Info

Publication number: CN216966135U
Application number: CN202220023722.9U
Authority: CN
Inventors: 贝国生
Original assignee: Ningbo Wansheng Intelligent Technology Co ltd
Current assignee: Ningbo Wansheng Intelligent Technology Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-07-15
Anticipated expiration: 2032-01-04

Abstract

The utility model relates to a shaft cutting structure, which comprises a mounting seat; the cutter can be arranged on the mounting seat in a vertically sliding manner; the driving mechanism is used for driving the cutter to slide downwards; the method is characterized in that: the inner part of the cutter is provided with a shaft channel and also comprises a first elastic piece, so that the cutter always has the tendency of sliding upwards; the blocking piece is arranged on the mounting seat, and the blocking piece and the output end of the shaft channel are spaced and oppositely arranged, so that the fixed-length shaft cutting precision of the shaft cutting device is high.

Description

Shaft cutting structure

Technical Field

The utility model relates to the technical field of shaft machining, in particular to a shaft cutting structure.

Background

The metal wire is usually coiled into a disc shape before use, so that the space is saved, and the metal wire is convenient to transport and store. When the metal wire straightening device is used, the metal wire needs to be straightened, and then the straightened wire is cut into a short shaft with a certain length.

Through investigation, chinese utility model patent application with application number CN202011104859.9 (publication number CN112170713A) discloses a reinforcing bar straightening and cutting apparatus for building construction, including: a frame; the double-guide-wheel conveying assemblies are symmetrically arranged at two ends of the top of the rack and are used for conveying the steel bars to be cut to the processing position of the rack; the straightening assembly is arranged between the two guide wheel conveying assemblies and is used for straightening the reinforcing steel bars conveyed by the guide wheel conveying assemblies; the cutting assembly is arranged on the rack, is positioned at the output end of one guide wheel conveying assembly and is used for cutting off the steel bars straightened by the straightening assembly; the cutting assembly comprises a vertical support, a hydraulic cylinder, a lower cutter holder and an upper cutter holder, the vertical support is vertically arranged on the rack, a fourth penetrating pipe used for a reinforcing steel bar to penetrate is arranged on the vertical surface of the vertical support, the upper cutter holder and the lower cutter holder are arranged at the upper end and the lower end of the fourth penetrating pipe in a vertically corresponding mode, the bottom of the lower cutter holder is installed on the rack, the hydraulic cylinder is vertically arranged at the top of the vertical support, and the output end of the hydraulic cylinder is connected with one end of the upper cutter holder.

Although the cutting assembly in the reinforcing steel bar straightening and cutting equipment for building construction can cut the reinforcing steel bar, the reinforcing steel bar is continuously output when the reinforcing steel bar is output by the reinforcing steel bar straightening machine, so that the reinforcing steel bar is easy to generate errors when being cut, and the reinforcing steel bar is different in cutting length and inaccurate in precision.

SUMMERY OF THE UTILITY MODEL

A second technical problem to be solved by the present invention is to provide a shaft cutting structure having higher accuracy in cutting a shaft into a fixed length, in view of the above-mentioned technical situation.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a shaft cutting structure comprises

A mounting seat;

the cutter can be arranged on the mounting seat in a vertically sliding manner;

the driving mechanism is used for driving the cutter to slide downwards;

the method is characterized in that: the inside of cutter is equipped with axle passageway, still includes

The first elastic piece enables the cutter to always have the tendency of sliding upwards;

the blocking piece is arranged on the mounting seat, and the blocking piece and the output end of the shaft channel are spaced and are arranged oppositely.

Because the blank action of cutter often has the delay, and the axle is in transport state always, in order to avoid the axle to cut off disconnected in-process buckling deformation, still include the frame, be equipped with second elastic component and interval distribution's two guide bars in this frame, each guide bar is followed the axial extension of axle passageway, the bottom both sides of mount pad respectively are equipped with a second spout, and each second spout and the guide bar sliding connection who corresponds the side, just the second elastic component makes the mount pad has all the time towards the trend of the input removal of axle passageway. When the axle moves forward to offset with blockking, the axle continues the antedisplacement and can drive to block piece and mount pad and move forward in step, afterwards, the cutter accomplishes the action of cutting off, and the mount pad drives under the effect of second elastic component and blocks piece backward movement to reseing, and this process can make mount pad and blockking piece cushion the antedisplacement of in-process counter axle that the axle cut off, avoids the axle to cut off disconnected in-process buckling deformation.

In order to make the structure of the second elastic part simpler, the second elastic part is a first tension spring arranged between the rack and the mounting seat.

In order to facilitate installation of the guide rods, two supporting seats are arranged on the rack at intervals, and each guide rod is respectively installed on the supporting seat on the corresponding side.

In order to facilitate the collection of the cut shaft, a discharge hole is formed in the front of the rack, a discharge chute is further arranged on the mounting seat and gradually inclines downwards from back to front, the rear end of the discharge chute corresponds to the lower portion of the output end of the shaft channel, and the front end of the discharge chute faces towards the discharge hole.

In order to make the cutter be difficult to damage, the mount pad is equipped with the first spout of vertical extension, and it is equipped with the slider to slide in this first spout, cutter detachably inlays to be located the inside of slider. The cutter is driven to move up and down by driving the driving mechanism to drive the sliding block to move up and down, the driving mechanism can be prevented from being directly contacted with the cutter, and the cutter can be prevented from being damaged due to overlarge impact of the driving mechanism on the cutter.

In order to facilitate installation of the first elastic piece, a supporting plate extending horizontally is arranged at the bottom of the installation seat, and the first elastic piece is a pressure spring arranged between the sliding block and the supporting plate.

In order to facilitate the installation or the disassembly of the cutter, the mounting seat is hollow, a U-shaped block is accommodated in the mounting seat, the opening of the U-shaped block faces the blocking piece, and two ends of the U-shaped block are respectively provided with a pressing block, so that the U-shaped block and the pressing blocks jointly define the first sliding groove.

In order to make the driving mechanism simpler, the driving mechanism is a hydraulic cylinder arranged at the top of the mounting seat, and a piston rod of the hydraulic cylinder penetrates through the top wall of the mounting seat from top to bottom and can press the sliding block downwards.

In order to facilitate the buffering of the impact force on the blocking piece when the shaft and the blocking piece are abutted, the mounting seat is provided with a support, the blocking piece is a blocking rod which is arranged on the support and can swing up and down, the length direction of the blocking rod is along the axial direction of the shaft channel, the blocking rod is far away from one end of the shaft channel and the support, a second tension spring is further arranged between the two ends of the shaft channel, and the second tension spring makes the blocking rod close to one end of the shaft channel always have the downward swinging tendency.

Compared with the prior art, the utility model has the advantages that: by arranging the blocking piece which is spaced from and opposite to the output end of the shaft channel, the blocking piece is fixed relative to the mounting seat, namely, the distance between the blocking piece and the shaft channel is fixed, so that the blocking piece can mechanically fix the length of the shaft, and the fixed length of the shaft can be more accurate; when the axle moves forward to offset with blockking, the axle continues the antedisplacement and can drive to block piece and mount pad and move forward in step, afterwards, the cutter accomplishes the action of cutting off, and the mount pad drives under the effect of second elastic component and blocks piece backward movement to reseing, and this process can make mount pad and blockking piece cushion the antedisplacement of in-process counter axle that the axle cut off, avoids the axle to cut off disconnected in-process buckling deformation.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a perspective view of the structure of FIG. 1 with the frame removed;

FIG. 3 is a perspective view of the slide block and the slide groove in the embodiment of the present invention;

fig. 4 is a front view of the structure shown in fig. 2 with the support base and the first tension spring removed.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in FIGS. 1 to 4, the preferred embodiment of the present invention is shown.

The shaft cutting structure in this embodiment includes main components such as a mounting base 1, a slider 2, a cutter 21, a driving mechanism 3, a pressure spring 41, a first tension spring 42, a second tension spring 43, a stop lever 5 (see fig. 2), a frame 6 (see fig. 1), a U-shaped block 71, a pressing block 72 (see fig. 3), and a supporting base 8 (see fig. 2).

The mounting seat 1 is hollow, and the U-shaped block 71 and the pressing block 72 are accommodated in the mounting seat 1 (see fig. 1); the U-shaped block 71 is opened forward, and two pressing blocks 72 are provided at both ends of the U-shaped block 71, respectively, so that the U-shaped block 71 and the pressing blocks 72 together define a first sliding groove 70 (see fig. 3) extending vertically. The slider 2 is disposed in the first slide groove 70 (see fig. 3) and can move up and down. The cutting knife 21 is detachably embedded in the slider 2 (see fig. 4), so that the cutting knife 21 can move up and down synchronously with the slider 2. In particular, the slider 2 comprises a first portion and a second portion arranged in abutment and which together define a caulking groove (not shown in the figures) housing the cutting blade 21. The cutter 21 is internally provided with a shaft passage 211 (see fig. 4) so that the shaft 9 can pass through the shaft passage 211 from the rear to the front, and the shaft 9 can be broken at the front end of the shaft passage 211 when the cutter 21 moves downward in synchronization with the slider 2.

As shown in fig. 4, the bottom of the mounting seat 1 is provided with a supporting plate 11 extending horizontally, and a pressure spring 41 is arranged between the slider 2 and the supporting plate 11, so that the slider 2 always has a tendency to slide upwards. The driving mechanism 3 is a hydraulic cylinder arranged at the top of the mounting base 1, and a piston rod of the hydraulic cylinder penetrates through the top wall of the mounting base 1 from top to bottom and can press the sliding block 2 downwards, so that the sliding block 2 is driven to move downwards.

As shown in fig. 1, a bracket 13 is provided on one side of the mounting base 1, a part of the bracket 13 is located in front of the mounting base 1, and the stopper 5 is provided on the bracket 13 and can swing up and down. The length direction of the stop lever 5 is arranged along the axial direction of the shaft channel 211, and one end of the stop lever 5 close to the shaft channel 211 is spaced from and arranged opposite to the output end of the shaft channel 211, so that the shaft 9 from the shaft channel 211 can be stopped, and the fixed length of the shaft 9 can be accurately controlled. The second tension spring 43 is arranged between one end of the stop lever 5 far away from the shaft channel 211 and the bracket 13, and the second tension spring 43 always enables one end of the stop lever 5 close to the shaft channel 211 to have a downward swinging trend, so that the impact force on the stop lever 5 when the shaft 9 abuts against one end of the stop lever 5 close to the shaft channel 211 can be buffered.

Two support seats 8 are provided at intervals on the frame 6, and each support seat 8 is provided with a guide rod 81, and each guide rod 81 extends in the axial direction of the shaft passage 211 (see fig. 2). Two sides of the bottom of the mounting base 1 are respectively provided with a second sliding chute 12 (see fig. 4), and each second sliding chute 12 is slidably connected with the corresponding guide rod 81, so that the mounting base 1 can slide back and forth on the machine frame 4. First extension spring 42 is located between frame 6 and the mount pad 1 (see fig. 1), and first extension spring 42 makes mount pad 1 have the trend of rearward movement all the time, thereby make axle 9 move forward to when offsetting with pin 5, axle 9 continues the antedisplacement can drive pin 5 and mount pad 1 and move forward in step, afterwards, cutter 21 accomplishes and cuts off the action, mount pad 1 drives pin 5 and moves backward to reseing under the effect of first extension spring 42, this process can make mount pad 1 and pin 5 cushion the antedisplacement of axle 9 at the in-process that axle 9 cut off, avoid axle 9 to cut off disconnected in-process buckling deformation.

As shown in fig. 1, the front portion of the frame 6 is provided with a discharge port 61, the mounting base 1 is further provided with a discharge chute 14, the discharge chute 14 is arranged to be inclined downwards from back to front, the rear end of the discharge chute 14 corresponds to the lower portion of the output end of the shaft passage 211, and the front end of the discharge chute 14 faces the discharge port 61.

Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the utility model, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite or coincident with the direction of gravity.

Claims

1. A shaft cutting structure comprises

A mounting seat (1);

the cutter (21) is arranged on the mounting seat (1) in a vertically sliding manner;

the driving mechanism (3) is used for driving the cutter (21) to slide downwards;

the method is characterized in that: the inside of cutter (21) is equipped with axle passageway (211), still includes

The first elastic piece enables the cutter (21) to always have the tendency of sliding upwards;

the blocking piece is arranged on the mounting seat (1), and the blocking piece and the output end of the shaft channel (211) are spaced and are arranged oppositely.

2. The shaft cutting structure according to claim 1, wherein: still include frame (6), be equipped with second elastic component and two guide bar (81) of interval distribution on this frame (6), each guide bar (81) is followed the axial extension of axle passageway (211), the bottom both sides of mount pad (1) respectively are equipped with a second spout (12), each second spout (12) and the guide bar (81) sliding connection who corresponds the side, just second elastic component (17) make mount pad (1) have the court all the time the trend that the input of axle passageway (211) removed.

3. The shaft cutting structure according to claim 2, wherein: the second elastic piece is a first tension spring (42) arranged between the rack (6) and the mounting seat (1).

4. The shaft cutting structure according to claim 2, wherein: two supporting seats (8) are arranged on the rack (6) at intervals, and each guide rod (81) is respectively arranged on the supporting seats (8) on the corresponding side.

5. The shaft cutting structure according to claim 2, wherein: the front portion of frame (6) is opened there is discharge gate (61), still be equipped with blown down tank (14) on mount pad (1), this blown down tank (14) is from back to preceding slope setting gradually downwards, just the rear end of blown down tank (14) corresponds to the below of the output of axle passageway (211), the front end orientation of blown down tank (14) discharge gate (61).

6. The shaft cutting structure according to claim 1, wherein: the mounting seat (1) is provided with a first sliding groove (70) extending vertically, a sliding block (2) is arranged in the first sliding groove (70) in a sliding mode, and the cutter (21) is detachably embedded in the sliding block (2).

7. The shaft cutting structure according to claim 6, wherein: the bottom of mount pad (1) is equipped with horizontal extension's layer board (11), first elastic component is for locating slider (2) with pressure spring (41) between layer board (11).

8. The shaft cutting structure according to claim 6, wherein: the mounting seat (1) is hollow, a U-shaped block (71) is accommodated in the mounting seat (1), the opening of the U-shaped block (71) faces the blocking piece, two ends of the U-shaped block (71) are respectively provided with a pressing block (72), and therefore the U-shaped block (71) and the pressing blocks (72) jointly define the first sliding groove (70).

9. The shaft cutting structure according to claim 6, wherein: the driving mechanism (3) is a hydraulic cylinder arranged at the top of the mounting base (1), and a piston rod of the hydraulic cylinder penetrates through the top wall of the mounting base (1) from top to bottom and can press the sliding block (2) downwards.

10. A shaft cutting structure according to any one of claims 1 to 9, wherein: be equipped with support (13) on mount pad (1), block and be located on support (13) and can luffing motion pin (5), the length direction of this pin (5) is followed the axial setting of axle passageway (211), just keep away from on pin (5) the one end of axle passageway (211) with still be equipped with second extension spring (43) between support (13), this second extension spring (43) makes be close to on pin (5) the one end of axle passageway (211) has downward wobbling trend all the time.