CN215471310U - Shearing device - Google Patents

Abstract

The utility model discloses a shearing device, which comprises a fixed plate and a movable knife, wherein the fixed plate is provided with a positioning groove; the movable knife is hinged with the fixed plate, one end of the movable knife is provided with a knife edge, the knife edge is arranged on one side of the positioning groove, and the knife edge is attached to the fixed plate; when shearing, the cutting edge of the movable cutter shears from the opening of the positioning groove to the direction in the groove. The material is arranged in the positioning groove, the cutting edge of the movable cutter is sheared from the opening to the groove, the material cannot run towards the opening direction but is extruded to the bottom of the positioning groove, and finally the material is sheared by the movable cutter in cooperation with the fixing plate. The utility model solves the problem that the material runs in the shearing process in the prior art, not only ensures that the material is completely sheared, but also ensures that the shearing position is stable and can not move, thereby being beneficial to the rope threading operation of the rope threading machine.

Description

Shearing device

Technical Field

The utility model relates to a shearing device, in particular to a shearing device of a stringing machine.

Background

The rope threading machine needs to cut a rope into a portable rope with a certain length before threading, the portable rope is cut by two cutting knives which are hinged with each other, the cutting edges of the two cutting knives are arranged oppositely and are V-shaped, the knife handles of the two cutting knives are gradually closed, and the cutting edges at the other ends are also gradually closed and closed to realize cutting; in the cutting process, the two blades are gradually closed from the hinged position, the rope can move to the opening, and particularly the rope with a round shape and a smooth surface can easily run, so that the end position of the cut portable rope is changed, the end part of the portable rope cannot be aligned with the rope threading hole of the bag body, and the rope threading failure is caused; also, during cutting, if the cord runs out of the opening, the cord may not be cut completely.

Disclosure of Invention

In view of the technical problems in the background art, the technical problem to be solved by the utility model is to provide a shearing device which can avoid the running of materials during shearing.

In order to solve the technical problems, the utility model adopts the following technical scheme: this kind of shearing mechanism, its characterized in that: comprises that

A fixing plate provided with a positioning groove;

the movable knife is hinged with the fixed plate, one end of the movable knife is provided with a knife edge, the knife edge is arranged on one side of the positioning groove, and the knife edge is attached to the fixed plate;

when shearing, the cutting edge of the movable cutter shears from the opening of the positioning groove to the direction in the groove.

The material is arranged in the positioning groove, and the cutting edge of the movable cutter is sheared towards the groove from the opening, so that the material cannot run towards the opening direction during shearing, but is extruded to the bottom of the positioning groove, and finally the material is sheared by the movable cutter in cooperation with the fixing plate. The utility model solves the problem that the material runs in the shearing process in the prior art, not only ensures that the material is completely sheared, but also ensures that the shearing position is stable and can not move, thereby being beneficial to the rope threading operation of the rope threading machine.

Preferably, the movable knife comprises a swing arm and a blade, the swing arm is hinged with the fixed plate, and the blade is mounted on the swing arm. The blade of the movable knife can be passivated gradually in the using process, the blade can be replaced, the movable knife can be kept sharp, and the material cost is low.

Preferably, the bottom of the positioning groove is gradually enlarged towards the opening direction, materials of different specifications can enter the positioning groove, the accommodating space of the arc-shaped bottom is large relative to the accommodating space of the V-shaped bottom, and the materials are not easy to deform.

Preferably, the driving end of the movable knife is connected with a driving piece which drives the movable knife to swing by taking a hinge point as a center.

Preferably, the fixed plate is connected with a power member for driving the fixed plate to move along the linear guide rail, and the driving member is mounted on the fixed plate. The movement of the fixed plate and the movable knife and the swing of the movable knife are driven by independent power.

Preferably, the fixed plate is slidably disposed on a linear guide rail, the linear guide rail is mounted on a rack, and a driving part for driving the fixed plate to move along the linear guide rail and driving the movable blade to swing is disposed on the rack. The driving part not only drives the fixed plate and the movable knife to move, but also can drive the movable knife to swing, so that the structure is more compact, and the equipment cost is lower.

Preferably, the driving member comprises

The spring is arranged between the fixed plate and the push plate, the other end of the movable knife is a driving end, the driving end is provided with a rotating wheel, and the rotating wheel is arranged on the push plate;

a limiting member arranged on the moving path of the fixing plate;

one end of the first spring is connected with the push plate, and the other end of the first spring is connected with the driving end of the movable knife;

and the power source is arranged on the rack and is connected with the push plate.

Preferably, the fixed plate is arranged on the side of the material traction direction relative to the movable knife. When the moving blade shears, due to the thickness and the movement inertia of the blade, the end sheared by the cutting edge and the fixed plate in a matched mode can enable materials to generate slight displacement, the other end of the cutting edge cannot generate displacement, the cutting edge is arranged in the opposite direction of material traction, and therefore the materials cut off in the traction direction cannot generate displacement and are accurate in position.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of the present invention during shearing.

Detailed Description

The following describes details and operational principles of embodiments and examples of the present invention with reference to the drawings. The shearing device comprises a fixed plate 4 and moving blades 2 and 15, wherein the fixed plate is provided with a positioning groove 3; the movable knife is hinged with the fixed plate, a cutting edge is arranged at one end of the movable knife and is arranged on one side of the positioning groove 3, the cutting edge is attached to the fixed plate 4 and is matched with the fixed plate for shearing, the hinged parts of the movable knife 2, the movable knife 15 and the fixed plate can be locked by bolts 5 and nuts, namely, the movable knife and the fixed plate are provided with mounting holes, the bolts 5 penetrate through the mounting holes to be in threaded connection with the nuts, in the using process, the gap between the cutting edge and the fixed plate is enlarged, the shearing effect is influenced, the gap between the cutting edge and the fixed plate is reduced by the nuts, and the shearing effect is improved; when shearing, the cutting edge of the movable cutter shears from the opening of the positioning groove to the direction in the groove. In the embodiment, the rope is cut as an example, the rope is arranged at the upper part, the cutting part is arranged at the lower part, the opening of the positioning groove 3 is arranged upwards, when the rope is cut, the cutting part of the rope is stopped in the positioning groove, the movable knife swings, and the cutting edge cuts the rope from the upper part to the lower part; because the cutting edge cuts from top to bottom, the rope can not move to the opening direction, and only can be extruded to the bottom of the positioning groove, so that the rope can be completely cut, the cut end part of the rope is stable, and the rope threading operation of the rope threading machine is facilitated.

The blade of the movable knife can be passivated gradually in the using process, the movable knife comprises a swing arm 15 and a blade 2, the swing arm is hinged with a fixing plate 4, and the blade 2 is installed on the swing arm 15. The bottom of constant head tank 3 is arc, and the bottom of constant head tank progressively enlarges to the opening direction, makes the material of different specifications can both get into in the constant head tank, and arc bottom is big for V type bottom accommodation space moreover, and material non-deformable.

In order to realize the automatic swing of the movable knife, the driving end of the movable knife is connected with a driving part which drives the movable knife to swing by taking a hinge point as a center, and the driving part can be driven by an air cylinder or a motor; the fixed plate 4 is connected with a power part for driving the fixed plate to move along the linear guide rail 11, and the driving part is arranged on the fixed plate; in the process of rope traction, the shearing part is arranged below the rope, when the rope is sheared, the power part drives the fixed plate and the movable knife to move upwards along the linear guide rail 11, the sheared part of the rope is placed in the positioning groove 3, then the driving part drives the movable knife to swing, the rope is sheared, then the movable knife swings reversely, the power part drives the fixed plate 4 and the movable knives 2 and 15 to move downwards, and the power part can be driven by a cylinder or a motor. The utility model discloses a power device, including the fixed plate, the fixed plate slides and sets up on linear guide, for the convenience of processing, the fixed plate slides through removing seat 7 and sets up on linear guide 11, and fixed plate 4 installs on removing seat 7 promptly, it slides and sets up on linear guide to remove the seat, linear guide installs in frame 14, be equipped with the drive fixed plate in the frame and remove and drive the driver part that moves sword wobbling along linear guide, driver part not only drives the fixed plate and moves the sword and reciprocate along linear guide, can drive moreover and move the sword swing, and structure is compacter like this, and equipment cost is lower.

The driving part comprises a push plate 13, a limiting part 1, a first spring 9 and a power source 10, the push plate is provided with a guide post 6, the guide post is sleeved with a spring 8, the moving seat 7 is provided with a guide hole for the guide post to pass through, the spring 8 is arranged between the moving seat 7 and the push plate 13, the other end of the moving knife is a driving end, the driving end is provided with a rotating wheel 12, the rotating wheel is arranged on the push plate 13, namely the rotating wheel can roll on the push plate, and the rotating wheel 13 can adopt a bearing or a roller; the limiting part 1 is arranged on the moving path of the moving seat, and the moving seat and the fixed plate move upwards during shearing, so that the limiting part is arranged above the moving seat 7 and adopts a limiting block or a limiting strip; one end of the first spring 9 is connected with the push plate 13, and the other end of the first spring is connected with the driving end of the movable knife 15; the power source is installed on the frame 14, and the power source is connected with the 10 push plate, the power source can adopt a motor or an air cylinder, the motor enables the push plate to lift through a cam mechanism or a screw rod mechanism, a piston rod of the air cylinder can be connected with the push plate, the power source pushes the push plate to move upwards, so that the moving seat and the fixed plate move upwards until the moving seat touches the limiting part, the moving seat stops moving upwards, at the moment, a rope is arranged in the positioning groove, the power source continues to push the push plate to move upwards, the spring is compressed, the push plate enables the driving end of the moving blade to swing upwards, the rolling wheel rolls on the push plate, the first spring is stretched, the cutting edge of the moving blade swings downwards to cut, after cutting, the power source drives the push plate to move downwards, the elastic force of the spring and the elastic force of the first spring enable the moving blade to swing reversely to reset until the spring and the first spring reset, the push plate continues to move downwards, the movable base, the fixed plate and the movable knife are driven to move downwards and reset.

Because of the thickness and the inertia of the blade, when the cutting edge of the movable knife is matched with the fixed plate for shearing, the shearing end can make the material generate slight displacement, and the positioning groove with the fixed plate at the other end is used for positioning, so that the displacement cannot occur.

Claims (8)

1. A shearing device characterized by: comprises that

A fixing plate provided with a positioning groove;

the movable knife is hinged with the fixed plate, one end of the movable knife is provided with a knife edge, the knife edge is arranged on one side of the positioning groove, and the knife edge is attached to the fixed plate;

when shearing, the cutting edge of the movable cutter shears from the opening of the positioning groove to the direction in the groove.

2. The shearing device as recited in claim 1, wherein: the movable knife comprises a swing arm and a blade, the swing arm is hinged with the fixed plate, and the blade is installed on the swing arm.

3. The shearing device as recited in claim 1, wherein: the bottom of the positioning groove is gradually enlarged towards the opening direction.

4. The shearing device as recited in claim 1, wherein: the driving end of the movable knife is connected with a driving piece which drives the movable knife to swing by taking a hinge point as a center.

5. The shearing device of claim 4, wherein: the fixed plate is connected with a power part for driving the fixed plate to move along the linear guide rail, and the driving part is installed on the fixed plate.

6. The shearing device as recited in claim 1, wherein: the fixed plate is arranged on the linear guide rail in a sliding mode, the linear guide rail is arranged on the rack, and a driving part which drives the fixed plate to move along the linear guide rail and drives the movable knife to swing is arranged on the rack.

7. The shearing device of claim 6, wherein: the driving part comprises

The spring is arranged between the fixed plate and the push plate, the other end of the movable knife is a driving end, the driving end is provided with a rotating wheel, and the rotating wheel is arranged on the push plate;

a limiting member arranged on the moving path of the fixing plate;

one end of the first spring is connected with the push plate, and the other end of the first spring is connected with the driving end of the movable knife;

and the power source is arranged on the rack and is connected with the push plate.

8. The shearing device as recited in claim 1, wherein: the fixed plate moves the sword relatively and sets up this side in material traction direction.

Images