CN216177249U

CN216177249U - Quiet sword convenient to processing and change

Info

Publication number: CN216177249U
Application number: CN202121504110.3U
Authority: CN
Inventors: 李奇; 刘东海; 孙建丽; 陈海洋; 张佳其
Original assignee: Ling Yun Industrial Corp Ltd; Ling Yun Industrial Co Ltd Automotive Parts R&D Branch
Current assignee: Ling Yun Industrial Corp Ltd; Ling Yun Industrial Co Ltd Automotive Parts R&D Branch
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-04-05
Anticipated expiration: 2031-07-01

Abstract

A static knife convenient for processing and replacement comprises a knife core mechanism and a driving mechanism, wherein the knife core mechanism is provided with a static knife, an upper mounting seat and a lower mounting seat which are combined in a split way and are enclosed up and down; the knife core mechanism is driven by the driving mechanism to act. The split combined structure of the static knife is convenient for on-site dismounting operation while reducing the processing difficulty, only the damaged knife block of the static knife body needs to be replaced in the using process, the whole static knife does not need to be replaced, and the using cost is reduced; the defect of pressure of the wedge mechanism on the tool frame can be effectively avoided, and the problem of unreliable spring work is also eliminated.

Description

Quiet sword convenient to processing and change

Technical Field

The utility model relates to a static knife for a cutting device, in particular to a static knife for a cutting device of a doorsill, an automobile closed bumper and a closed pipe product part in an automobile.

Background

With the rapid development of the automobile industry, according to different requirements of users and regions, various performance requirements of vehicles are higher and higher, and inner threshold pieces, bumpers and closed pipe type product pieces of various vehicle types are made of high-strength steel more and more widely. The thickness of the material is gradually increased from 1.0mm to 1.8mm to 2.5mm, and the strength of the parent metal is increased from 1180MPa to 1500MPa of the inner threshold piece and 1700MPa of the A column. Along with the improvement of the material strength of various automobile product parts, the requirements of the cutting device are correspondingly improved. Threshold spare and bumper spare functional requirement and structural reason in the car are mostly closed rectangular cross section, and the quiet sword armful of the left and right sides of traditional cutting device cuts the type that the structure can't satisfy some specific products to the quiet sword of traditional structure is monolithic structure, and the volume is great, and the processing cost is high, the processing degree of difficulty is big, and quiet sword is scrapped the damage cost height, and is not convenient for dismantle the change in the use, and the single change degree of difficulty of operating personnel is great.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides the static knife which is convenient to machine and replace, so that the machining cost and difficulty of the static knife are reduced, the static knife is convenient to disassemble and replace on site, and the working reliability of the static knife is improved.

The problem of the utility model is realized by the following technical scheme:

a static knife convenient for processing and replacement comprises a knife core mechanism and a driving mechanism, wherein the knife core mechanism is provided with a static knife, an upper mounting seat and a lower mounting seat which are combined in a split way and are enclosed up and down; the knife core mechanism is driven by the driving mechanism to act.

Above-mentioned quiet sword convenient to processing and change, actuating mechanism is equipped with last hydro-cylinder and lower hydro-cylinder, goes up the hydro-cylinder piston rod and connects the upper mounting base, and the lower hydro-cylinder piston rod is connected the lower mounting base.

The static knife convenient to process and replace further comprises an inner side baffle, an outer side baffle, a front baffle, a rear baffle and two knife core guide plates, wherein the two ends of the front baffle and the rear baffle are respectively connected with the inner side baffle and the outer side baffle, the two knife core guide plates are respectively positioned on two sides of the knife core mechanism, the two knife core guide plates are respectively fixedly connected with the front baffle and the rear baffle, and the front baffle, the rear baffle and the two knife core guide plates form a sliding cavity for movement of the knife core mechanism.

In the static knife convenient to process and replace, the outer side of each knife core guide plate is respectively provided with the moving knife guide seat, and the moving knife guide seat is provided with the moving knife guide groove.

The static knife convenient to process and replace is characterized in that a movable knife groove is formed in the position, corresponding to the movable knife, of each knife core guide plate.

Above-mentioned quiet sword convenient to processing and change, each sword core deflector middle part is equipped with spacing platform.

The utility model improves the prior static knife structure as follows: 1. the static knife is improved into an up-down holding combined structure from a left-right holding single-block structure; 2. the static cutter is driven by an oil cylinder to drive a wedge block to move forwards and push the wedge block to move backwards by a spring, and the moving and the returning are completed by different oil cylinder driving slide block mechanisms. According to the improvement, the split combined structure of the static knife is convenient for on-site dismounting operation while the processing difficulty is reduced, only the damaged knife block of the static knife body needs to be replaced in the using process, the whole static knife does not need to be replaced, and the using cost is reduced; the defect of pressure of the wedge mechanism on the tool frame can be effectively avoided, and the problem of unreliable spring work is also eliminated.

Drawings

The utility model will be further explained with reference to the drawings.

FIG. 1 is a schematic perspective view of the present invention (outer side shield and front shield are not shown)

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic illustration of a stationary knife closed state;

fig. 4 is a schematic view of the stationary knife in an open state.

The list of labels in the figure is: 1. the automatic cutter feeding device comprises an upper oil cylinder, 2 parts of an upper mounting base, 3 parts of a cutter core guide plate, 3-1 parts of a limiting table, 4 parts of a movable cutter guide base, 5 parts of a rear baffle, 6 parts of an upper static cutter mounting plate, 7 parts of an upper static cutter, 8 parts of an inner side baffle, 9 parts of a lower static cutter, 10 parts of a lower static cutter mounting plate, 11 parts of a lower mounting base, 12 parts of a lower oil cylinder, 13 parts of a front baffle, 14 parts of an outer side baffle, 15 parts of a movable cutter.

Detailed Description

Referring to fig. 1 and 2, the cutting device of the utility model comprises a knife core mechanism for mounting a static knife and a driving mechanism for driving the knife core mechanism to act. The knife core mechanism is provided with a static knife which is embraced up and down, an upper mounting seat and a lower mounting seat. The static knife adopts a split combined structure and comprises two upper static knives 7 and two lower static knives 9 which are symmetrically arranged. The two upper static knives are fixedly connected with the upper mounting seat 2 through the upper static knife mounting plate 6 respectively, and the two lower static knives are fixedly connected with the lower mounting seat 11 through the lower static knife mounting plate 10 respectively. The split combined structure of the static knife is convenient to manufacture and install, and only the damaged static knife block is replaced when the static knife part is damaged, the static knife does not need to be integrally replaced, and the use cost is reduced. The driving mechanism is provided with an upper oil cylinder 1 and a lower oil cylinder 12, a piston rod of the upper oil cylinder is connected with an upper mounting seat, and the upper mounting seat is driven to drive the upper static knife to move; the lower oil cylinder piston rod is connected with the lower mounting seat and drives the lower mounting seat to drive the lower static knife to move. The upper and lower static knives of the structure act by using the independent oil cylinder as driving force, and the structure does not depend on the inclined wedge and the spring, so that the spring can be prevented from being blocked, and the reliability of the static knife action is improved.

Referring to fig. 1-3, the present invention is further provided with an inside guard 8, an outside guard 14, a front guard 13, a back guard 5, and two core guide plates 3. The two ends of the front baffle and the rear baffle are respectively connected with the inner side baffle and the outer side baffle, the two cutter core guide plates are respectively positioned on two sides of the cutter core mechanism, the two cutter core guide plates are respectively and fixedly connected with the front baffle and the rear baffle, and the front baffle, the rear baffle and the two cutter core guide plates form a sliding cavity for the movement of the cutter core mechanism, so that the movement stability of the cutter core mechanism is ensured. The outer side of each knife core guide plate is respectively provided with a movable knife guide seat 4, the movable knife guide seats are used for guiding the movement of the movable knife 15, and the movable knife guide seats are provided with movable knife guide grooves corresponding to the movable knives. And movable knife grooves are arranged on the knife core guide plates corresponding to the movable knives. The middle part of each knife core guide plate is provided with a limiting table 3-1 for limiting the movement of the upper static knife and the lower static knife.

Fig. 3 shows the working state of the present invention, in which the upper and lower stationary blades are closed and the movable blade 15 is in the cutting position; fig. 4 shows the non-operating state of the present invention, in which the upper and lower stationary blades are in the open initial position and the movable blade is retracted.

When the movable knife guide seat and the knife core guide plate are disassembled and the front baffle plate 13 is disassembled when the knife is disassembled for changing the knife, the knife core part can be taken out for repairing and replacing, and the operation is simple and labor-saving.

Claims

1. The utility model provides a quiet sword convenient to processing and change, includes knife core mechanism and actuating mechanism, its characterized in that: the cutter core mechanism is provided with upper and lower holding and split combined static cutters, an upper mounting seat and a lower mounting seat, the static cutters comprise two symmetrically arranged upper static cutters and two symmetrically arranged lower static cutters, the two upper static cutters are connected with the upper mounting seat through an upper static cutter mounting plate, and the two lower static cutters are connected with the lower mounting seat through a lower static cutter mounting plate; the knife core mechanism is driven by the driving mechanism to act.

2. The stationary knife of claim 1, which is easy to machine and replace, comprising: the driving mechanism is provided with an upper oil cylinder and a lower oil cylinder, a piston rod of the upper oil cylinder is connected with the upper mounting seat, and a piston rod of the lower oil cylinder is connected with the lower mounting seat.

3. The stationary knife of claim 2 for ease of machining and replacement, wherein: the cutter core mechanism is characterized by further comprising an inner side baffle, an outer side baffle, a front baffle, a rear baffle and two cutter core guide plates, wherein the two ends of the front baffle and the two ends of the rear baffle are respectively connected with the inner side baffle and the outer side baffle, the two cutter core guide plates are respectively positioned on two sides of the cutter core mechanism, the two cutter core guide plates are respectively fixedly connected with the front baffle and the rear baffle, and the front baffle, the rear baffle and the two cutter core guide plates form a sliding cavity for movement of the cutter core mechanism.

4. The stationary knife of claim 3 for ease of machining and replacement, wherein: the outer side of each cutter core guide plate is respectively provided with a movable cutter guide seat, and a movable cutter guide groove is arranged on each movable cutter guide seat.

5. The stationary knife of claim 4 for easy machining and replacement, wherein: and movable knife grooves are arranged on the knife core guide plates corresponding to the movable knives.

6. The stationary knife of claim 5 for easy machining and replacement, wherein: the middle part of each cutter core guide plate is provided with a limiting platform.