CN202461371U

CN202461371U - Steel bar cutter

Info

Publication number: CN202461371U
Application number: CN2012200729978U
Authority: CN
Inventors: 王晋武; 武昭晖
Original assignee: TAIYUAN FUMIJIA PRECISION MACHINERY CO Ltd
Current assignee: TAIYUAN FUMIJIA PRECISION MACHINERY CO Ltd
Priority date: 2012-03-01
Filing date: 2012-03-01
Publication date: 2012-10-03
Anticipated expiration: 2022-03-01

Abstract

The utility model relates to the field of cutting technology, in particular to a steel bar cutter. The steel bar cutter comprises a tool rest, a piston cylinder, a rear cylinder and an operation cylinder, wherein one end of the piston cylinder is connected with the tool rest, and the other end is connected with one end of the rear cylinder; the operation cylinder is sleeved outside the rear cylinder; a fixed blade is mounted on the tool rest; a piston is mounted in the piston cylinder; a movable blade is mounted at one end of the piston; a chamber is arranged in the rear cylinder; a machine head and a latching cylinder are arranged in the rear cylinder; a firing pin is mounted on the machine head; the latching cylinder is provided with a latching shaft; a hammer spring is mounted on the latching shaft; and a hammer is mounted on the hammer spring. The steel bar cutter provided by the utility model has the advantages of light weight, wide application occasion, high cutting speed and the like, and is easy to carry and simple to operate.

Description

A kind of bar cropper

Technical field

The utility model relates to the cutting technique field, is specifically related to a kind of bar cropper.

Background technology

Bar cropper is the employed instrument of a kind of shear reinforcement; Be mainly used in the engineerings such as building construction, bridge, fire control and disaster rescue rescue, dismantlement work, tunnel construction, power station, large-scale water conservancy customized cut-off to reinforcing bar; Bar cropper and other cut off apparatus in comparison; Have in light weight, power consumption less, characteristics such as reliable operation, efficient height; Therefore progressively be machined in recent years, bar mill, fire control and disaster rescue occasion etc. extensively adopt, and have brought into play important effect in the every field of the development of the national economy.

Bar cropper generally has the branch of full-automatic reinforcing bar cutting machine and semi-automatic bar cropper, full automaticly also is electronic cutting machine, be that electric energy is converted into kinetic energy control cutting knife otch through motor, reaches the shear reinforcement effect; And automanual be the Artificial Control otch, thereby carry out shear reinforcement operation.

And at present many be cut off for manual mode, the shearing device or the gas type bar cropper of rechargeable, fluid pressure type; Manual mode is owing to use manpower to be power; There are shortcomings such as inefficiency, working strength be big, disclose a kind of bar cropper that uses the active force enlarger to shear like Chinese patent CN2429279Y; Though and rechargeable this problem of having improved; But general inclement condition like high-altitude, field or some emergent occasions; Owing to often do not have power supply, make equipment using extremely inconvenience, a kind of electromagnetic type reinforcing bar automatic cutting off table is disclosed like Chinese patent CN1067395A; Fluid pressure type has low noise, easy cutting etc. a bit; But owing to when design, need design hydraulic jack, piston rod etc.; Increased the complexity of device, improved design and manufacturing cost, like the disclosed a kind of steel bar hydraulic pressure cutting machine of Chinese patent CN101209482A; Gases such as acetylene, oxygen are used in using gases formula cutting, owing to need carry equipment and instruments such as oxygen, acetylene cylinder, pipeline, and produce bigger noise and spark when cutting during work, are not easy to the carrying out of constructing.

The utility model content

The purpose of the utility model is to provide a kind of in light weight, bar cropper that cutting speed is fast, simple to operate.

In order to realize above function, the utility model adopts following technical scheme:

A kind of bar cropper comprises knife rest, piston cylinder, back tube and operation tube, and said piston cylinder links to each other with knife rest with an end; The other end links to each other with back tube one end, the outer operation tube that is with of said back tube, and said knife rest installs and fixes blade; In the said piston cylinder piston is installed, piston one end is installed movable blades, is provided with cartridge chamber in the tube of said back; Be provided with head and locking tube in the tube of said back, on the said head firing pin be installed, said locking tube is installed latch shaft; Said latch shaft is installed mainspring, on the said mainspring hammer is installed.

Preferably, the bar cropper of the utility model, said back tube also is provided with the ejection mouth, and extractor and extractor pin also are installed on the said head.

Preferably, the bar cropper of the utility model, said operation tube rear end also connects bonnet, and said operation tube is a semi-cylindrical shaped near piston cylinder one side, and the ejection mouth is stated in semicylindrical operation cover residence.

Preferably, the bar cropper of the utility model also comprises touch device, and said touch device is installed on the tube of back, and said touch device comprises button, button cover and sear.

Preferably, the bar cropper of the utility model, said piston are " T " shape, and the piston spring also is installed on the piston.

Preferably, the bar cropper of the utility model also comprises the ejection pin, and said ejection pin is installed on the tube of said back, is positioned at the ejection mouth.

Preferably, the bar cropper of the utility model, said fixed blade is provided with semi-circular recesses.

The utlity model has following beneficial effect:

1, in light weight, cutting speed is fast, simple to operate;

2, be convenient for carrying, the application scenario is wide, is applicable to fire control and disaster rescue, emergency repair, earthquake relief, various construction occasion;

3, the operation sound little, flame is little, recoilless.

Description of drawings

Fig. 1 is the structure chart of the utility model.

Fig. 2 is the sketch map that the operation tube of the utility model draws back state;

Fig. 3 is that the utility model is installed power bullet sketch map;

Fig. 4 is the utility model ejection view;

Fig. 5 is the sketch map that the utility model is realized ejection.

The practical implementation instance

To combine the accompanying drawing and the specific embodiment to come the utility model is done further detailed explanation below.

Referring to Fig. 1-shown in Figure 5, a kind of bar cropper of the utility model comprises knife rest 1, piston cylinder 4, back tube 7 and operation tube 19; Said piston cylinder 4 links to each other with knife rest 1 with an end, and the other end links to each other with back tube 7 one ends, the said back tube 7 outer operation tubes 19 that are with; Said knife rest 1 installs and fixes blade 2, in the said piston cylinder 4 piston 5 is installed, and piston 5 one ends are installed movable blades 3; Be provided with cartridge chamber 8 in the said back tube 7, be provided with head 9 and locking tube 20 in the said back tube 7, firing pin 11 is installed on the said head 9; Said locking tube 20 is installed latch shaft 17, and said latch shaft 17 is installed mainspring 16, and hammer 15 is installed on the said mainspring 16.Wherein, said back tube (7) also is provided with ejection mouth 24, and extractor 10 and extractor pin 18 also are installed on the said head 9.Said operation tube 19 rear ends also connect bonnet 21, and said operation tins 19 is a semi-cylindrical shaped near piston cylinder 4 one sides, and semicylindrical operation tube 19 covers said ejection mouth 24.Said piston 5 is " T " shape, and piston spring 6 also is installed on the piston 5.The utility model also comprises touch device and ejection pin 22; Said touch device is installed on the back tube 7, and said touch device comprises button 12, button cover 13 and sear 14, and said ejection pin is installed on the said back tube 7; Be positioned at ejection mouth 24, fixed blade 2 is provided with semi-circular recesses.

The utility model is to realize the reinforcing bar cutting like this, at first holds piston cylinder 4 with one, and another holds operation tube 19; Pull back until ejection mouth 24 and all expose, with ejection mouth 24 upwards, put into power bullet 23 to cartridge chamber 8; To operate tube 19 then and push away this moment power bullet forward and 23 install, the reinforcing bar of needs cutting will be placed in the semi-circular recesses of fixed blade 2, press the button 12 on the touch device; Button touches sear 14, touches sear 14 shake-up mainsprings 16 and releases energy, and drives hammer 15 hammering firing pins 11; Firing pin 11 hits the power bullet that is placed in the cartridge chamber 8; Cause the blast of power bullet, the instant impact that blast produces drives piston 5 high-speed mobile, is installed in movable blades 3 on the piston 5 this moment with bar cutting; But the moment completion of whole process, and movable blades 3 elastic force that are installed in the piston spring 6 on the piston 5 capable of using turn back to original position after accomplishing cutting.When the ejection state, grasp operation tube 19, this moment, extractor 10 hooked the pit of the shell case of power bullet 23, be drawn out to ejection mouth 24 to shell case in the cartridge chamber 8 after, by ejection pin 22 shell case is ejected, accomplished the dismounting of shell case this moment.

The foregoing description is the utility model preferred implementation; But the embodiment of the utility model is not restricted to the described embodiments; Do not deviate from change, the modification done under spirit and the principle of the utility model, substitute, combination, simplify; All should be the substitute mode of equivalence, be included within the protection domain of the utility model.

Claims

1. bar cropper is characterized in that: comprise knife rest (1), piston cylinder (4), back tube (7) and operation tube (19), said piston cylinder (4) links to each other with knife rest (1) with an end; The other end links to each other with back tube (7) one ends, the outer operation tube (19) that is with of said back tube (7), and said knife rest (1) installs and fixes blade (2); Piston (5) is installed in the said piston cylinder (4); Piston (5) one ends are installed movable blades (3), are provided with cartridge chamber (8) in the said back tube (7), are provided with head (9) and locking tube (20) in the said back tube (7); Said head (9) is gone up firing pin (11) is installed; Said locking tube (20) is installed latch shaft (17), and said latch shaft (17) is installed mainspring (16), and said mainspring (16) is gone up hammer (15) is installed.

2. bar cropper according to claim 1 is characterized in that: said back tube (7) also is provided with ejection mouth (24), and extractor (10) and extractor pin (18) also are installed on the said head (9).

3. bar cropper according to claim 2 is characterized in that: said operation letter (19) rear end also connects bonnet (21), and said operation tube (19) is a semi-cylindrical shaped near piston cylinder (4) one sides, and semicylindrical operation tube (19) covers said ejection mouth (24).

4. bar cropper according to claim 3 is characterized in that: also comprise touch device, said touch device is installed on the back tube (7), and said touch device comprises button (12), button cover (13) and sear (14).

5. bar cropper according to claim 4 is characterized in that: said piston (5) is " T " shape, and piston spring (6) also is installed on the piston (5).

6. bar cropper according to claim 5 is characterized in that: also comprise ejection pin (22), said ejection pin (22) is installed on the said back tube (7), is positioned at ejection mouth (24).

7. bar cropper according to claim 6 is characterized in that: said fixed blade (2) is provided with semi-circular recesses.