CN114559470B

CN114559470B - Single-drive movable mechanical scissors

Info

Publication number: CN114559470B
Application number: CN202210269262.2A
Authority: CN
Inventors: 朱玉佳; 谭翰墨
Original assignee: Changshu Institute of Technology
Current assignee: Changshu Institute of Technology
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2024-02-09
Anticipated expiration: 2042-03-18
Also published as: CN114559470A

Abstract

The invention discloses a single-drive movable mechanical scissors in the technical field of mechanical scissors, which comprises a scissors body and a driving device for driving the scissors body, wherein the scissors body comprises a lower blade and an upper blade, and the lower blade and the upper blade are hinged through a front pin so that the lower blade and the upper blade can complete shearing action around the front pin; the invention uses one driving device to realize the shearing and the movement of the mechanical scissors, thereby not only having low cost but also having small occupied space; the blade is controlled by the two connecting rods, so that the design is simple in structure and convenient to operate.

Description

Single-drive movable mechanical scissors

Technical Field

The invention relates to the technical field of mechanical scissors, in particular to a single-drive movable mechanical scissors.

Background

The use of scissors in modern production and living is very common, and mechanical scissors are often used in occasions for processing materials with high hardness or with higher production efficiency. Most of the existing mechanical scissors are single-drive control of closing and opening of blades, but the fixed positions of the scissors cannot realize movable shearing, or two driving devices are used, one driving device controls shearing of the blades, and the other driving device controls integral movement of the scissors. The two drive devices certainly increase the cost and require more space than a single drive.

Based on this, the present invention devised single drive movable mechanical scissors to solve the above-mentioned problems.

Disclosure of Invention

The present invention aims to provide a single-drive movable mechanical scissors to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the single-drive movable mechanical scissors comprise a scissors body and a driving component for driving the scissors body, wherein the scissors body comprises a lower blade and an upper blade, and the lower blade is hinged with the upper blade through a front pin, so that the lower blade and the upper blade can complete shearing action around the front pin;

the driving component comprises a guide rail and a driving device, and the driving device is linked with the scissor body through a connecting rod;

when the driving device pushes the scissor body to reach the blocking point at the front end of the guide rail, the scissor body does not move along the guide rail any more and only cuts.

Preferably, the front ends of the knife handles of the lower blade and the upper blade are connected through an elastic connecting piece.

Preferably, the elastic connecting piece is a tension spring.

Preferably, the connecting rod comprises a lower connecting rod and an upper connecting rod, the rear end of the lower blade knife handle is hinged with the lower connecting rod, and the rear end of the upper blade knife handle is hinged with the upper connecting rod.

Preferably, the lower connecting rod and the upper connecting rod are connected with the driving device through rear pins, and the end parts of the rear pins and the front pins are slidably arranged in the guide rail.

Preferably, the blocking point is a baffle plate mounted on the guide rail.

Preferably, the driving device is a hydraulic cylinder, and the lower connecting rod and the upper connecting rod are driven through the output end of the hydraulic cylinder.

Compared with the prior art, the invention has the beneficial effects that: the invention uses one driving device to realize the shearing and the movement of the mechanical scissors, thereby not only having low cost but also having small occupied space; the blade is controlled by the two connecting rods, so that the design is simple in structure and convenient to operate; the combination of the front pin, the rear pin and the guide rail can effectively control the consistency of the horizontal direction and the vertical direction when the mechanism moves, so that the stability and the accuracy of the whole device in the movement process are ensured, and the device is safe and reliable.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a single drive movable mechanical shears of the present invention.

Fig. 2 is a left side view of the single drive movable mechanical shears of the present invention.

In the drawings, the list of components represented by the various numbers is as follows:

in the figure: 1. the device comprises a lower blade, 2, an elastic connecting piece, 3, a lower connecting rod, 4, a driving device, 5, a rear pin, 6, an upper connecting rod, 7, a front pin, 8, an upper blade, 9, a baffle, 10 and a guide rail.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-2, the present invention provides a technical solution: the single-drive movable mechanical scissors comprise a scissors body and a driving component for driving the scissors body, wherein the scissors body comprises a lower blade 1 and an upper blade 8, the lower blade 1 and the upper blade 8 are hinged through a front pin 7, so that the lower blade 1 and the upper blade 8 can complete shearing action around the front pin 7, the tail ends of the upper blade 8 and the lower blade 1 are both provided with a handle part, the front ends of the handles of the lower blade 1 and the upper blade 8 are connected through an elastic connecting piece 2, and the elastic connecting piece 2 is a tension spring, so that the scissors body can be kept in a reset state under the condition of no stress after being sheared;

the driving component comprises a guide rail 10 and a driving device 4, the driving device 4 is slidably mounted on the guide rail 10, in particular, the guide rail 10 is a T-shaped guide rail, the driving device 4 can linearly move along the guide rail 10 after being stressed, the driving device 4 and the scissor body are linked through a connecting rod, the connecting rod comprises a lower connecting rod 3 and an upper connecting rod 6, the rear end of a cutter handle of the lower cutter 1 is hinged with the lower connecting rod 3, the rear end of a cutter handle of the upper cutter 8 is hinged with the upper connecting rod 6, the lower connecting rod 3 and the upper connecting rod 6 are connected with the driving device 4 through a rear pin 5, and the end parts of the rear pin 5 and the front pin 7 are slidably mounted in the guide rail 10;

when the driving device 4 pushes the scissor body to reach a blocking point at the front end of the guide rail 10, the scissor body does not move along the guide rail 10 any more and only cuts, and the blocking point is a baffle plate 9 arranged on the guide rail 10.

In particular, the driving device 4 is a hydraulic cylinder, and a fixing seat of the hydraulic cylinder can be installed at the end of the guide rail 10, and the lower connecting rod 3 and the upper connecting rod 6 are driven through the output end of the hydraulic cylinder.

The method for using the single-drive movable mechanical scissors comprises the following steps:

1) The driving device 4 pushes the lower blade 1 and the upper blade 8 to move forwards along the guide rail 10 through the lower connecting rod 3 and the upper connecting rod 6;

2) The cutter handles of the lower blade 1 and the upper blade 8 are pushed outwards by the lower connecting rod 3 and the upper connecting rod 6 so that the cutter head starts to cut;

3) After the current pin 7 hits the baffle 9, the blade does not move along the guide rail 10 any more and only cuts;

4) After the shearing is finished, the driving device 4 pushes the lower blade 1 and the upper blade 8 to reversely move back to the original positions through the lower connecting rod 3 and the upper connecting rod 6, and the elastic connecting piece 2 enables the lower blade 1 and the upper blade 8 to finish resetting.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The single-drive movable mechanical scissors is characterized in that: the scissors comprise a scissors body and a driving component for driving the scissors body, wherein the scissors body comprises a lower blade (1) and an upper blade (8), the lower blade (1) and the upper blade (8) are hinged through a front pin (7), so that the lower blade (1) and the upper blade (8) can complete shearing action around the front pin (7);

the driving component comprises a guide rail (10) and a driving device (4), and the driving device (4) is linked with the scissor body through a connecting rod;

when the driving device (4) pushes the scissor body to reach a blocking point at the front end of the guide rail (10), the scissor body does not move along the guide rail (10) any more and only cuts;

the connecting rod comprises a lower connecting rod (3) and an upper connecting rod (6), the rear end of the cutter handle of the lower blade (1) is hinged with the lower connecting rod (3), and the rear end of the cutter handle of the upper blade (8) is hinged with the upper connecting rod (6);

the lower connecting rod (3) and the upper connecting rod (6) are connected with the driving device (4) through a rear pin (5), and the end parts of the rear pin (5) and the front pin (7) are slidably arranged in the guide rail (10);

the blocking point is a baffle plate (9) arranged on the guide rail (10).

2. The single-drive movable mechanical shears of claim 1, wherein: the front end of the knife handle of the lower blade (1) is connected with the front end of the knife handle of the upper blade (8) through an elastic connecting piece (2).

3. The single-drive movable mechanical shears of claim 2, wherein: the elastic connecting piece (2) is a tension spring.

4. The single-drive movable mechanical shears of claim 1, wherein: the driving device (4) is a hydraulic cylinder, and the lower connecting rod (3) and the upper connecting rod (6) are driven through the output end of the hydraulic cylinder.