CN222343840U - Hinge sword of bending - Google Patents

Abstract

The utility model relates to a bending hinge knife, comprising: a hinge knife body, a cover plate installed on the hinge knife body, a compression spring installed between the hinge knife body and the cover plate, and a hinge knife slider slidably installed between the hinge knife body and the cover plate and abutting against the compression spring. A guide flat key is installed on the hinge knife body, a guide channel is opened on the cover plate, a guide groove adapted to the guide flat key is provided on the hinge knife slider, and a guide column adapted to the guide channel is installed on the hinge knife slider. The bending hinge knife provides elastic thrust to the hinge knife slider through the compression spring, and the sliding and lifting drive of the hinge knife slider is simple to cooperate, simple in structure, good in stability and practical.

Description

Hinge sword of bending

Technical Field

The utility model relates to the technical field of bending processing, in particular to a bending hinge knife.

Background

The bending center is a machine capable of bending a metal sheet, is mainly used in the field of metal sheet processing, and the bending machine can bend the metal sheet at various angles by using a simple die so as to obtain the metal sheet with a complex shape. The existing bending center is processed and produced by using a bending hinge cutter, wherein the flexible bending center sliding rail type pneumatic hinge cutter disclosed in the publication No. CN115138718A is driven by linkage of a connecting seat, a connecting column, a movable seat and a connecting rod in a sliding lifting manner, and has a complex structure and poor stability in use.

Disclosure of utility model

Accordingly, it is necessary to provide a bending hinge knife having a simple and practical structure and good stability, aiming at the problems of the conventional bending hinge knife.

The bending hinge knife comprises a hinge knife body, a cover plate arranged on the hinge knife body, a compression spring arranged between the hinge knife body and the cover plate, and a hinge knife sliding block which is slidably arranged between the hinge knife body and the cover plate and is abutted to the compression spring, wherein a guide flat key is arranged on the hinge knife body, a guide pore canal is formed in the cover plate, a guide groove matched with the guide flat key is formed in the hinge knife sliding block, and a guide column matched with the guide pore canal is arranged on the hinge knife sliding block.

According to the bending hinge knife, the guide function is achieved between the guide flat key and the guide groove and between the guide pore canal and the guide column, and the compression spring can provide elastic thrust for the hinge knife sliding block. When the hinge knife is used, the hinge knife sliding block stretches out under the pushing of the compression spring in a free state, and the hinge knife sliding block retracts to the hinge knife main body after the knife edge part of the hinge knife sliding block is stressed, so that the knife edge part of the hinge knife sliding block and the knife edge part of the hinge knife main body form a whole, and the hinge knife effect is achieved. The hinge sword of bending provides elastic thrust to hinge sword slider through compression spring, and the slip lift drive cooperation of hinge sword slider is simple, simple structure, and stability is good and practical.

In one embodiment, the hinge knife body is provided with a first guiding inclined plane, and the guiding flat key is located on the first guiding inclined plane.

In one embodiment, the hinge knife slider is provided with a second guiding inclined plane, and the guiding groove is positioned on the second guiding inclined plane.

In one embodiment, the guide flat key, the guide pore canal and the guide groove are arranged in parallel.

In one embodiment, the hinge knife further comprises a spring jacking block arranged between the hinge knife main body and the cover plate, one end of the spring jacking block is abutted with the compression spring, and the other end of the spring jacking block is abutted with the hinge knife sliding block.

In one embodiment, the spring jack block is provided with a spring groove, and one end of the compression spring, which is close to the hinge knife sliding block, is positioned in the spring groove.

In one embodiment, the hinge knife body is provided with a containing groove, and the compression spring and the spring top block are located in the containing groove.

In one embodiment, the hinge knife further comprises a side stop mounted on the hinge knife body, the side stop extending downward.

In one embodiment, the hinge knife main body is provided with a block mounting notch, the side block is mounted on the block mounting notch, and the hinge knife sliding block is provided with an avoiding notch which is opposite to the side block.

In one embodiment, the hinge knife further comprises a limiting pin penetrating through the hinge knife main body and the cover plate.

Drawings

FIG. 1 is a schematic view of a bending hinge knife of the present utility model;

FIG. 2 is a schematic view of the folding hinge knife of FIG. 1 from another perspective;

FIG. 3 is a schematic view of the folding hinge knife of FIG. 2 in a state in which the hinge knife slider is extended;

FIG. 4 is an exploded view of the folding hinge knife of FIG. 2;

FIG. 5 is a schematic illustration of the folding hinge knife of FIG. 2 lacking a cover plate;

FIG. 6 is a schematic view of the hinge knife body of FIG. 1;

fig. 7 is a schematic view of the hinge knife block of fig. 1.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In addition, the term "and/or" is merely an association relation describing the association object, and means that three kinds of relations may exist, for example, a and/or B, and that three kinds of cases where a exists alone, while a and B exist alone, exist alone.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only, such as "inner", "outer", "left", "right" and the like are for the purpose of illustration only and are not intended to be limiting of the utility model.

Referring to fig. 1 to 7, a bending hinge knife 100 according to the present utility model includes a hinge knife body 20, a cover plate 30 mounted on the hinge knife body 20, a compression spring 40 mounted between the hinge knife body 20 and the cover plate 30, and a hinge knife slider 50 slidably mounted between the hinge knife body 20 and the cover plate 30 and abutting against the compression spring 40.

Further, the hinge knife main body 20 is provided with a guide flat key 21, the cover plate 30 is provided with a guide duct 31, the hinge knife sliding block 50 is provided with a guide groove 51 adapted to the guide flat key 21, and the hinge knife sliding block 50 is provided with a guide column 52 adapted to the guide duct 31. Wherein the guide flat key 21, the guide pore canal 31 and the guide groove 51 are arranged in parallel, so that one group of guide fit is formed between the guide flat key 21 and the guide groove 51, and the other group of guide fit is formed between the guide pore canal 31 and the guide column 52. Further, the hinge knife main body 20 is provided with a first guiding inclined plane 22, and the guiding flat key 21 is positioned on the first guiding inclined plane 22. The hinge knife slider 50 is provided with a second guiding inclined plane 53, the guiding groove 51 is positioned on the second guiding inclined plane 53, and the second guiding inclined plane 53 is opposite to and parallel to the first guiding inclined plane 22.

Further, the hinge knife 100 further includes a spring jack 60 mounted between the hinge knife main body 20 and the cover plate 30, one end of the spring jack 60 is abutted against the compression spring 40, and the other end of the spring jack 60 is abutted against the hinge knife slider 50. The spring jack 60 is used as a transfer force application member, so that the compression spring 40 can provide stable elastic force, and the contact area with the hinge knife sliding block 50 is increased. The spring jack 60 is provided with a spring slot 61, and one end of the compression spring 40 close to the hinge knife slider 50 is positioned in the spring slot 61, so that the compression spring 40 cannot swing left and right to fall off, and the stability is further improved. In the present embodiment, there are two compression springs 40 and two spring grooves 61.

Further, the hinge knife main body 20 is provided with a containing groove 24, and the compression spring 40 and the spring top block 60 are located in the containing groove 24, so that the installation space of the compression spring 40 and the spring top block 60 is more reasonable.

Further, the folding hinge blade 100 further includes a side stopper 70 mounted on the hinge blade body 20, the side stopper 70 extends downward, and the side stopper 70 limits the side of the hinge blade slider 50 when moving up and down. Further, the hinge knife main body 20 is provided with a block mounting notch 23, the side block 70 is mounted on the block mounting notch 23, and the hinge knife slider 50 is provided with a avoiding notch 54 opposite to the side block 70. The side edge stop 70 is flush with the outer side of the hinge knife main body 20 and the outer side of the hinge knife sliding block 50 through the stop mounting notch 23 and the avoiding notch 54, so that the appearance of the whole bending hinge knife 100 is more attractive.

Further, the hinge knife 100 further includes a limiting pin 80 penetrating through the hinge knife main body 20 and the cover plate 30, and the cover plate 30 and the hinge knife main body 20 can be assembled more stably through the arrangement of the limiting pin 80, wherein the number of the limiting pins 80 is two.

In the hinge blade 100, the compression spring 40 can provide elastic pushing force to the hinge slider 50 due to the guiding action between the guide flat key 21 and the guide groove 51 and between the guide hole 31 and the guide post 52. When the hinge knife is used, in a free state, the hinge knife slide block 50 stretches out under the pushing of the compression spring 40, and when the knife edge part of the hinge knife slide block 50 is stressed, the hinge knife slide block 50 retracts to the hinge knife main body 20, and at the moment, the knife edge part of the hinge knife slide block 50 and the knife edge part of the hinge knife main body 20 are integrated, so that the hinge knife effect is achieved. The hinge knife 100 provides elastic thrust to the hinge knife sliding block 50 through the compression spring 40, the sliding lifting driving cooperation of the hinge knife sliding block 50 is simple, the hinge knife sliding block is not required to be driven through linkage of a connecting seat, a connecting column, a movable seat and a connecting rod, and the hinge knife is simple in structure, good in stability and practical.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A bending hinge knife is characterized by comprising a hinge knife main body, a cover plate arranged on the hinge knife main body, a compression spring arranged between the hinge knife main body and the cover plate, and a hinge knife sliding block which is slidably arranged between the hinge knife main body and the cover plate and is in butt joint with the compression spring, wherein a guide flat key is arranged on the hinge knife main body, a guide pore canal is formed in the cover plate, a guide groove matched with the guide flat key is formed in the hinge knife sliding block, and a guide column matched with the guide pore canal is arranged on the hinge knife sliding block.

2. The folding hinge knife according to claim 1, wherein the hinge knife body is provided with a first guiding inclined plane, and the guiding flat key is located on the first guiding inclined plane.

3. The folding hinge knife according to claim 2, wherein the hinge knife slider is provided with a second guiding bevel, and the guiding slot is located on the second guiding bevel.

4. The folding hinge knife according to claim 1, wherein the guide flat key, the guide channel and the guide groove are disposed parallel to each other.

5. The folding hinge knife according to claim 1, further comprising a spring jack mounted between the hinge knife body and the cover plate, one end of the spring jack being in abutment with the compression spring, the other end of the spring jack being in abutment with the hinge knife slider.

6. The folding hinge knife according to claim 5, wherein the spring top block is provided with a spring slot, and the end of the compression spring adjacent to the hinge knife slider is positioned in the spring slot.

7. The folding hinge knife according to claim 5, wherein the hinge knife body is provided with a receiving groove, and the compression spring and the spring top block are located in the receiving groove.

8. The folding hinge knife of claim 1, further comprising a side stop mounted to the hinge knife body, the side stop extending downwardly.

9. The folding hinge knife according to claim 8, wherein the hinge knife body is provided with a stop mounting notch, the side stop is mounted on the stop mounting notch, and the hinge knife slider is provided with a avoiding notch opposite to the side stop.

10. The folding hinge knife of claim 1, further comprising a stop pin disposed through the hinge knife body and cover plate.