CN210081868U

CN210081868U - Cut-off knife connection combined mechanism

Info

Publication number: CN210081868U
Application number: CN201920616071.2U
Authority: CN
Inventors: 李世杰
Original assignee: Tianjin Richpeace AI Co Ltd
Current assignee: Tianjin Richpeace AI Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-02-18
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses a cut-off knife connection combined mechanism, include: a cutter motor, a cutter bar connecting device, a rocker arm device, a torsional spring, a cutter connecting assembly and a cutter; cutter arbor connecting device includes: the cutter bar connecting strip, the pin shaft, the bearing I and the bearing II are arranged on the cutter bar; a blade receiving assembly comprising: the guide rod connecting shaft, the cutter connecting shaft, the connecting pin, the cutter bar connecting sleeve, the bearing III and the bearing IV are arranged on the guide rod connecting shaft; the cutter bar connecting device is connected with the rocker arm device through a bearing and a pin shaft, so that the flexibility of the cutter bar connecting device is improved, the cutter bar connecting device can move in a large radian to buffer stress, and the abrasion of the motor is reduced easily when the motor is driven to operate due to the angle generated by the structural design of the cutter bar connecting device; bearings are arranged at the joints of the cutter bar connecting device and the rocker arm device, so that the designed connecting angle is firmer and the distribution force of the cutter motor is more uniform under the condition of flexible movement; through the utility model discloses a design, make the cut-off knife motion more stable, can adapt to cutting of various surface fabrics to the waste of production loss is reduced to the minimum.

Description

Cut-off knife connection combined mechanism

Technical Field

The utility model belongs to cutting bed machine-building field mainly is applied to the integrated configuration mode of cutting bed cut-off knife, concretely relates to cut-off knife connection and combination mechanism.

Background

Taking a general cutting bed as an example, the cutting knife and the running motor part mainly comprise a universal shaft and a guide rod, the rotating direction of the cutting knife is controlled by only using a universal movable shaft under the condition of no bearing connection, if the cutting knife does not have any buffer to directly work under the conditions of large workload and high cutting layer number of the cutting bed, the loss of the cutting knife and the loss of a connecting piece are very large, even more, the motor of the cutting knife is simultaneously heavily loaded due to the increase of the load of the cutting knife, and the motor is also worn along with the increase of the temperature, so the working difficulty of the subsequent cutting bed is greatly increased; and the utility model discloses a cut-off knife connection composite structure has optimized than common structure, traditional cut-off knife connection composite structure is by the cardan shaft, the cardan shaft connecting rod, the cardan shaft sleeve, this several parts of spline bearing and cutter arbor are constituteed, lathe during operation cut-off knife drives work by the cut-off knife motor, the cutter arbor coupling part is influenced by cut-off knife work atress, the cut-off knife transform direction during operation, cardan shaft and cardan shaft connecting rod, the corresponding atress of cardan shaft sleeve, and there are several not enough under the big work load of structure like this:

1. the cut-off knife wearing and tearing increase, do not have any buffering to do the foreshadowing when the cut-off knife during operation, the cut-off knife directly receives the power work and increases the loss to cutter arbor coupling part, appears collapsing the sword easily, the condition of jumping the sword, gets off for a long time will increase the use of cut-off knife, because of wearing and tearing too high frequent change cut-off knife also is kind of burden to using the expenditure.

2. The loss of the cutter motor is increased, and the cutter motor always runs in a tight state when the cutting bed works, so that the running speed of the motor is influenced.

3. Universal shaft composite member fragile, there is the place that has the radian in the cutting bed work in the fillet of cutting, and this has just also influenced universal shaft composite member, because the atress is uneven, and the universal shaft does not have the bearing can not play excessive effect to direct wearing and tearing original paper, at the tangent circle arc during operation, the area of wearing and tearing is also wider just more comprehensively the place that relates to, because universal shaft guide arm lug connection cut-off knife, because wearing and tearing lead to having the space between it, the cloth of producing also has corresponding error.

Disclosure of Invention

An object of the utility model is to overcome above-mentioned prior art's weak point, provide a cut-off knife connection combination mechanism, this machine has mainly solved the big problem of cut-off bed cut-off knife work load and the part wearing and tearing produces the error problem to the production cloth, so combine traditional mode, the utility model discloses carry out structural optimization adjustment, solved the conventional problem, reduced the expense extravagant, increased the suitability, increased production stability production qualification rate.

The utility model aims at realizing through the following technical scheme:

cut-off knife connection and combination mechanism includes: a cutter motor, a cutter bar connecting device, a rocker arm device, a torsional spring, a cutter connecting assembly and a cutter.

After the universal shaft structure is completely thrown away, the utility model replaces a knife connecting mode, which greatly increases the stability and correspondingly increases the production efficiency.

The cutter bar connecting device is connected with the rocker arm device through the bearing and the pin shaft, so that the flexibility of the cutter bar connecting device is improved, the cutter bar connecting device can move in a large radian to buffer stress, and the motor is driven to run by the motor easily due to the angle generated in the structural design of the cutter bar connecting device.

When the cutter works, the bearing in the rocker arm device replaces the original universal shaft connecting sleeve, so that the rocker arm device is more flexible and has higher mobility, and the cutter bar connecting device also plays a role in fixing the cutter bar connecting device.

The cutter bar connecting device and the rocker arm device are respectively provided with a bearing at the joint, under the condition of flexible movement, the designed connection angle is firmer, and the distribution force of the cutter motor is more uniform.

The torsional spring piece has certain flexibility, and can deal with the load force of the hardness and the thickness of different fabrics on the cutter and the motor.

The bearing is arranged in the connecting cutter assembly, so that when the cutter works in the direction of cutting the circular angle and the arc degree, the cutter is easier to cut, and the abrasion of the hard running of the universal shaft is reduced compared with the prior art, thereby increasing the qualified rate of production.

Wherein, connect sword sub-assembly, include: bearing III, bearing IV, guide rod connecting shaft, cutter connecting shaft, connecting pin and cutter bar connecting sleeve.

The cutter bar connecting sleeve is sleeved in the cutter shaft, and the connecting pin penetrates through the cutter bar connecting sleeve and the cutter shaft fixed with the cutter bar connecting sleeve, so that the stability of the cutter bar connecting sleeve is ensured when the cutter works in an arc.

The inner bearing is connected with the guide rod connecting shaft, so that the cutter bar connecting device and the motor do not change in movement direction when the cutter works in an arc, and only the cutter works in the arc, thereby reducing the technical problem caused by abrasion.

The utility model has the advantages and beneficial effects that:

the utility model overcomes traditional cut-off knife connects the too big problem of sub-assembly internals wearing and tearing height, operating condition unstability problem, production product error, through the utility model discloses a design, make the cut-off knife motion more stable, can adapt to cutting of various surface fabrics to the waste of production loss falls to minimum.

Drawings

FIG. 1 is a schematic view of a cutting blade attachment assembly in its entirety;

FIG. 2 is a schematic view of the overall cutter attachment assembly;

fig. 3 is a schematic view of the bearing mounting of the knife attachment.

1. The cutter comprises a cutter motor 2, a cutter bar connecting device 3, a rocker device 4, a torsion spring 5, a cutter connecting assembly 6, a cutter 7, a cutter bar connecting strip 8, a bearing I9, a bearing II 10, a pin shaft 11, a cutter bar rocker 12, a cutter bar connecting block 13, a guide rod connecting shaft 14, a cutter connecting shaft 15, a connecting pin 16, a cutter bar connecting sleeve 17, a bearing III 18 and a bearing IV.

Detailed Description

For a further understanding of the contents, features and effects of the present invention, reference will now be made to the following examples, which are to be considered in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.

Cut-off knife connection and combination mechanism includes: a cutter motor (1), a cutter bar connecting device (2), a rocker arm device (3), a torsional spring plate (4) and a cutter connecting assembly (5).

Wherein the tool bar connecting device (2) comprises: the cutter bar connecting strip (7), a pin shaft (10), a first bearing (8) and a second bearing (9).

Wherein the knife connecting assembly (5) comprises: the guide rod connecting shaft (13), the cutter connecting shaft (14), the connecting pin (15), the cutter bar connecting sleeve (16), the bearing III (17) and the bearing IV (18).

The motor (1) moves to drive the cutter bar connecting device (2), the cutter bar connecting device (2) is connected with the rocker arm device (3), the torsion spring piece (4), the cutter connecting assembly (5) and the cutter (6), and the motor (1) operates the transmission force to the cutter (6) to complete cutting (shown by figure 1).

The cutter bar rocker arm (11) is fixed on the lifting frame through screws, and is fixed with the cutter bar connecting strip (7) and the cutter bar connecting block (12) through a pin shaft (10), so that the simultaneous operation during movement is ensured.

The torsional spring (4) is connected with the guide rod connecting shaft (13), and the pressure applied by the cut-off knife (6) during working produces a load to relieve the load, so that the cutter bar connecting device is protected to a certain extent.

When the cut-off knife works, the situation that the cut-off knife always cuts in an arc can occur, the cutter bar connecting sleeve (16) is connected with the cutter receiving shaft (14) through the connecting pin (15) to achieve the effect of fastening the cutter bar connecting sleeve and the cutter receiving shaft, the action of the cutter bar connecting sleeve is consistent with that of the cutter, the third bearing (17) and the fourth bearing (18) in the cutter receiving shaft (14) are located at the middle position and the lower position of the guide rod connecting shaft (13), the fact that the combined parts above the guide rod connecting shaft (13) are kept motionless when the cut-off knife is in arc cutting free rotation is guaranteed, and then stability is.

Claims

1. A cut-off knife attachment assembly comprising: a cutter motor, a cutter bar connecting device, a rocker arm device, a torsional spring, a cutter connecting assembly and a cutter; cutter arbor connecting device includes: the cutter bar connecting strip, the pin shaft, the bearing I and the bearing II are arranged on the cutter bar; a blade receiving assembly comprising: a bearing III, a bearing IV, a guide rod connecting shaft, a cutter connecting shaft, a connecting pin and a cutter bar connecting sleeve; the method is characterized in that: the cutter bar connecting device is connected with the rocker arm device through a bearing and a pin shaft, so that the flexibility of the cutter bar connecting device is improved, the cutter bar connecting device can move in a large radian to buffer stress, and the abrasion of the motor is reduced easily when the motor is driven to operate due to the angle generated by the structural design of the cutter bar connecting device; the cutter bar connecting device and the rocker arm device are respectively provided with a bearing at the joint, under the condition of flexible movement, the designed connection angle is firmer, and the distribution force of the cutter motor is more uniform.

2. The cut-off knife connecting and combining mechanism of claim 1, characterized in that: the torsional spring is connected with the guide rod connecting shaft, has certain flexibility, and can deal with the load force of the hardness and the thickness of different fabrics on the cut-off knife and the motor.