CN212736210U

CN212736210U - Olecranon type pneumatic scissors

Info

Publication number: CN212736210U
Application number: CN202021547434.0U
Authority: CN
Inventors: 杨惠珺; 刘钦; 张书正; 刘恩慧; 王江辉; 赵宇飞; 杨铧泽; 杨哲
Original assignee: Changyuan Fangyuan Rubber Plastic Co ltd
Current assignee: Changyuan Fangyuan Rubber Plastic Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-03-19
Anticipated expiration: 2030-07-30

Abstract

The utility model provides a pneumatic scissors of olecranon formula, including knife rest, scissors top sword, scissors bottom sword and cylinder push rod, the scissors top sword the scissors bottom sword is cross arrangement and nodical rotation connection, the handle of a knife of scissors top sword is located this nodical below and is the lower handle of a knife, the handle of a knife of scissors bottom sword is located this nodical top and is last handle of a knife, the flexible end of cylinder push rod is connected the end of lower handle of a knife, the knife rest corresponds the lower handle of a knife sets up first slide, corresponds it sets up the second slide to go up the handle of a knife, the second slide with first slide is crossing. In the use process, the air cylinder push rod extends forwards to push the upper tool shank and the lower tool shank to slide forwards along the corresponding slide ways, and the upper edge of the scissors and the lower edge of the scissors are folded and cut in the forward sliding process due to the intersection of the slide ways; after shearing, the air cylinder push rod contracts backwards to enable the upper scissors blade and the lower scissors blade to be opened, and compared with the method that the torsional spring is adopted to fold the scissors, the scissors have the advantages of higher stability and longer service life.

Description

Olecranon type pneumatic scissors

Technical Field

The utility model relates to a mask production accessory, specific theory has related to an olecranon formula pneumatic scissors.

Background

The mask is a sanitary article, generally refers to a tool which is worn at the mouth and nose part and used for filtering air entering the mouth and nose so as to prevent harmful gas, smell and spray from entering and exiting the mouth and nose of a wearer, and is made of gauze or paper and the like; in the mask production process, scissors are often required for trimming. Chinese patent CN201821739292.0 discloses an automatic cutting device for a mask belt, which comprises an upper fixing frame, a lower fixing frame, a cylinder, a scissors upper edge, a scissors lower edge, a scissors fulcrum and a scissors moving plate for smooth movement, a scissor moving plate is arranged between the upper fixing frame and the lower fixing frame, one end of the cylinder is provided with a cylinder push rod, one end of the scissors moving plate is connected with the cylinder push rod and is controlled to move by the cylinder push rod, the other end of the scissors moving plate is provided with a scissors fulcrum, the scissors fulcrum is symmetrically provided with an upper scissors blade and a lower scissors blade to form a scissors state, in the using process, the cylinder push rod extends forwards, the scissors upper blade and the scissors lower blade are folded for shearing, the cylinder push rod retracts backwards, the scissors upper blade and the scissors lower blade are opened under the action of the torsion spring, after the scissors are used for a period of time, the elasticity of the torsion spring is reduced, the opening speed of the scissors is reduced, and even the scissors cannot be opened after the scissors reach the service life.

In order to solve the above problems, people are always seeking an ideal technical solution.

Disclosure of Invention

The utility model aims at the defects of the prior art, thereby providing the olecranon type pneumatic scissors.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is:

the utility model provides a pneumatic scissors of olecranon formula, includes knife rest, scissors top sword, scissors bottom sword and cylinder push rod, the scissors top sword the scissors bottom sword is alternately set up and nodical rotation is connected, the handle of a knife of scissors top sword is located the below of this nodical and is the bottom handle of a knife, the handle of a knife of scissors bottom sword is located the top of this nodical and is last handle of a knife, the flexible end of cylinder push rod is connected the end of bottom handle of a knife, the knife rest corresponds the bottom handle of a knife sets up first slide, corresponds it sets up the second slide to go up the handle of a knife, first slide is the horizontal slide, the second slide with first slide is crossing.

Based on the above, the tool rest comprises an installation plate and a groove-shaped frame buckled on the installation plate, the front side of the groove-shaped frame is open, and the rear side of the groove-shaped frame corresponds to the cylinder push rod and is provided with a through hole.

Based on the above, the inner space of the groove-shaped frame is provided with the first slide way, the outer end face of the groove-shaped frame is provided with the second slide way, the tail end of the upper knife handle is provided with the slide block, and the slide block is matched with the second slide way.

Based on the above, the second slideway comprises a horizontal part close to the rear side of the channel frame and an inclined part close to the front side of the channel frame, and the horizontal part and the inclined part are in smooth transition.

Based on the above, the slider is provided with a clamping groove corresponding to the second slide way, and the width of the clamping groove is larger than the thickness of the outer end face.

Based on the above, the upper edge and the lower edge of the scissors are made of SKD61 hot-work die steel.

Compared with the prior art, the utility model has substantive characteristics and progress, in particular to the utility model provides an olecranon type pneumatic scissors, in the using process, a cylinder is adopted to drive a cylinder push rod to stretch, specifically, the cylinder push rod stretches forwards to push an upper knife handle and a lower knife handle to slide forwards along corresponding slideways, and the upper edge and the lower edge of the scissors are folded and cut in the forward sliding process due to the intersection of the slideways; after shearing, the air cylinder push rod contracts backwards to enable the upper scissors blade and the lower scissors blade to be opened, the air cylinder push rod continuously extends forwards and contracts backwards, the upper scissors blade and the lower scissors blade are continuously folded and unfolded to continuously shear, and compared with the method that a torsional spring is adopted to fold scissors, the stability is higher, and the service life is longer.

Drawings

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

In the figure: 1. cutting edges of the scissors; 2. a lower edge of the scissors; 3. an upper knife handle; 4. a lower knife handle; 5. mounting a plate; 6. a trough-shaped frame; 7. a cylinder push rod; 8. a slider; 9. a horizontal portion; 10. an inclined portion.

Detailed Description

The technical solution of the present invention will be described in further detail through the following embodiments.

As shown in fig. 1, an olecranon formula pneumatic scissors includes knife rest, scissors top edge 1, scissors bottom edge 2 and cylinder push rod 7, scissors top edge 1 scissors bottom edge 2 sets up alternately and nodical rotation connects, the below that the handle of a knife of scissors top edge 1 is located this nodical is lower handle 4, the top that the handle of a knife of scissors bottom edge 2 is located this nodical is upper handle 3, the flexible end of cylinder push rod 7 is connected the end of lower handle 4, the knife rest corresponds lower handle 4 sets up first slide, corresponds upper handle 3 sets up the second slide, first slide is the horizontal slide, the second slide with first slide is crossing.

In the using process, an air cylinder is adopted to drive an air cylinder push rod to stretch, specifically, the air cylinder push rod stretches forwards to push an upper knife handle and a lower knife handle to slide forwards along corresponding slideways, and the upper edge of the scissors and the lower edge of the scissors are folded and cut in the forward sliding process due to the fact that the slideways of the upper knife handle and the lower knife handle are intersected; after shearing, the air cylinder push rod contracts backwards to enable the upper scissors blade and the lower scissors blade to be opened, the air cylinder push rod continuously extends forwards and contracts backwards, the upper scissors blade and the lower scissors blade are continuously folded and unfolded to continuously shear, and compared with the method that a torsional spring is adopted to fold scissors, the stability is higher, and the service life is longer.

Further, the tool rest comprises an installation plate 5 and a groove-shaped frame 6 buckled on the installation plate 5, the front side of the groove-shaped frame 6 is open, and the rear side of the groove-shaped frame 6 is provided with a through hole corresponding to the cylinder push rod 7. The groove-shaped frame is hollow inside so as to be convenient for installing the upper tool shank and the lower tool shank.

Further, a first slide way is arranged in the inner space of the groove-shaped frame 6, a second slide way is arranged on the outer end face of the groove-shaped frame 6, a slide block 8 is arranged at the tail end of the upper knife handle 3, and the slide block 8 is matched with the second slide way, so that in the shearing process, the slide block moves along the second slide way to drive the upper knife handle to be opened/closed.

Further, the second runner includes a horizontal portion 9 near the rear side of the channel frame 6 and an inclined portion 10 near the front side of the channel frame 6, and the horizontal portion 9 and the inclined portion 10 are in smooth transition.

Further, the sliding block 8 is provided with a clamping groove corresponding to the second slide way, and the width of the clamping groove is larger than the thickness of the outer end face.

Furthermore, the upper scissors blade 1 and the lower scissors blade 2 are made of SKD61 hot die steel, so that the scissors are high in hardness, sharp in blade and long in service life.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides an olecranon formula pneumatic scissors which characterized in that: including knife rest, scissors top edge, scissors bottom edge and cylinder push rod, the scissors top edge the scissors bottom edge sets up alternately and nodical rotation is connected, the below that the handle of a knife of scissors top edge is located this nodical is the lower handle of a knife, the handle of a knife of scissors bottom edge is located this nodical top and is last handle of a knife, the flexible end of cylinder push rod is connected the end of lower handle of a knife, the knife rest corresponds the lower handle of a knife sets up first slide, corresponds it sets up the second slide to go up the handle of a knife, first slide is horizontal slide, the second slide with first slide is crossing.

2. The olecranon-type pneumatic scissors of claim 1, wherein: the knife rest comprises an installation plate and a groove-shaped frame buckled on the installation plate, the front side of the groove-shaped frame is open, and the rear side of the groove-shaped frame is provided with a through hole corresponding to the air cylinder push rod.

3. The olecranon-type pneumatic scissors of claim 2, wherein: the inner space of the groove-shaped frame is provided with a first slide way, the outer end face of the groove-shaped frame is provided with a second slide way, the tail end of the upper knife handle is provided with a slide block, and the slide block is matched with the second slide way.

4. The olecranon-type pneumatic scissors of claim 3, wherein: the second ramp includes a horizontal portion adjacent the rear side of the channel frame and a sloped portion adjacent the front side of the channel frame, the horizontal portion and sloped portion being in smooth transition.

5. The olecranon-type pneumatic scissors of claim 4, wherein: the sliding block is provided with a clamping groove corresponding to the second slide way, and the width of the clamping groove is larger than the thickness of the outer end face.

6. The olecranon-type pneumatic scissors according to any one of claims 1 to 5, wherein: the upper edges of the scissors and the lower edges of the scissors are made of SKD61 hot-work die steel.