CN215545418U

CN215545418U - Safe type PC rod iron cutting machine

Info

Publication number: CN215545418U
Application number: CN202121874610.6U
Authority: CN
Inventors: 张成龙
Original assignee: Shandong Gangfeng New Material Technology Co ltd
Current assignee: Shandong Gangfeng New Material Technology Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-01-18
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a safe PC steel bar cutting machine which comprises a base, a first fixing block, a clamping block, a second limiting block and a limiting rod, wherein the first fixing block is installed on the base, the clamping block is installed on the base, a threaded rod is connected to the clamping block, the second fixing block is arranged on the threaded rod, a rotating disc is connected to the threaded rod, a fixing frame is installed on the base, an inclined beam is connected to the fixing frame, a motor is installed on the inclined beam, a protective cover is installed on the inclined beam, and a handle is connected to the inclined beam. This safe type PC rod iron cutting machine is provided with curved spacing groove, and the spacing groove can carry on spacingly to the axis of rotation through the gag lever post, makes the axis of rotation rotate in specific angle, and then prescribes a limit to the turned angle of saw bit, prevents that the saw bit from rotating too big angle when the cutting, improves the device to the guard action of saw bit, improves the life of saw bit, makes the device use safelyr.

Description

Safe type PC rod iron cutting machine

Technical Field

The utility model relates to the technical field of PC steel bar production, in particular to a safe PC steel bar cutting machine.

Background

The PC steel bar is a widely applied prestressed steel material and belongs to the middle strength grade in the prestress strength grade. Because the PC steel bar cutting machine has the characteristics of high strength toughness, low looseness, strong bond force with concrete, good weldability, upsetting property, material saving and the like, the PC steel bar is widely applied to prestressed components such as high-strength prestressed concrete centrifugal pipe piles, electric poles, overhead piers, railway sleepers and the like abroad, although the PC steel bar is started late in China, the design production capacity is developed rapidly through equipment introduction and development, but the PC steel bar is still in the exploration stage of production and application at present integrally, a cutting machine is used for cutting the PC steel bar into specific lengths before the PC steel bar is used so as to meet the requirements of different purposes, and when the existing PC steel bar cutting machine is used for cutting the PC steel bar, the spring is adopted to realize the up-and-down movement of the saw blade, and the saw blade is easy to excessively compress the spring to collide with a base, so that the saw blade is damaged, and the safe use of the saw blade is not facilitated.

We have therefore proposed a safety PC steel bar cutting machine in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safe PC steel bar cutting machine, which solves the problems that when the PC steel bar cutting machine in the prior market is used for cutting the PC steel bar, the spring is adopted to realize the up-and-down lifting movement of the saw blade, the saw blade is easy to excessively compress the spring to collide with the base, so that the saw blade is damaged, and the safe use of the saw blade is not facilitated.

In order to achieve the purpose, the utility model provides the following technical scheme: a safe PC steel bar cutting machine comprises a base, a first fixing block, a clamping block, a second limiting block and a limiting rod, wherein the first fixing block is arranged on the base, and a clamping block is arranged on the base, a threaded rod is connected on the clamping block, a second fixed block is arranged on the threaded rod, and the threaded rod is connected with a rotating disc, the base is provided with a fixed frame, the fixed frame is connected with an oblique beam, the oblique beam is provided with a motor, the oblique beam is provided with a protective cover, and the oblique beam is connected with a handle, the motor is provided with a saw blade, the base is provided with a cutting groove, the fixed frame is connected with a torsion spring, a rotating shaft is arranged on the fixed frame, a first limit block is arranged in the fixed frame, a limit groove is arranged on the first limit block, the rotating shaft is connected with a second limiting block, and a limiting rod is installed on the second limiting block.

Preferably, the saw blade is located right above the cutting groove, the length of the cutting groove is larger than the radius of the saw blade, and the middle of the cutting groove is located on the surface where the right side surface of the first fixing block is located.

Preferably, the rotating shaft is of a rotating structure on the fixing frame through torsion springs, two torsion springs are distributed on the left side and the right side of the rotating shaft, and the middle of the rotating shaft is connected with an oblique beam.

Preferably, the first limiting block is provided with two limiting grooves, the length of each limiting groove is matched with the turning angle of the saw blade, and the size of each limiting groove corresponds to that of the limiting rod.

Preferably, the second limiting block is of a rotating structure on the fixing frame through the rotating shaft, the radius of the second limiting block is larger than that of the rotating shaft, and the radius of the second limiting block is equal to that of the first limiting block.

Preferably, the limiting rods are distributed on the second limiting block at equal angles, are positioned on the same horizontal line and are distributed on the outer side of the outer side surface of the second limiting block.

Compared with the prior art, the utility model has the beneficial effects that: the safe type PC steel bar cutting machine comprises a cutting machine body,

(1) the saw blade cutting device is provided with an arc-shaped limiting groove, the limiting groove can limit the rotating shaft through a limiting rod, so that the rotating shaft can rotate within a specific angle, the rotating angle of the saw blade is further limited, the saw blade is prevented from rotating by an overlarge angle during cutting, the protection effect of the device on the saw blade is improved, the service life of the saw blade is prolonged, and the device is safer to use;

(2) be provided with the second stopper, the radius of second stopper is greater than the radius of axis of rotation, can increase the distance between two gag lever posts through the second stopper, makes the spacing groove pass through the gag lever post to the second stopper, has bigger moment when carrying on spacingly, reduces the effort on the gag lever post, improves the life of gag lever post, and then improves the device's life.

Drawings

FIG. 1 is a schematic front view of the present invention;

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

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic side view of the first stopper of the present invention.

In the figure: 1. a base; 2. a first fixed block; 3. a clamping block; 4. a threaded rod; 5. a second fixed block; 6. rotating the disc; 7. a fixed mount; 8. an oblique beam; 9. a motor; 10. a protective cover; 11. a handle; 12. a saw blade; 13. cutting the groove; 14. a torsion spring; 15. a rotating shaft; 16. a first stopper; 17. a limiting groove; 18. a second limiting block; 19. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a safe PC steel bar cutting machine comprises a base 1, a first fixing block 2, a clamping block 3, a threaded rod 4, a second fixing block 5, a rotating disc 6, a fixing frame 7, an oblique beam 8, a motor 9, a protective cover 10, a handle 11, a saw blade 12, a cutting groove 13, a torsion spring 14, a rotating shaft 15, a first limiting block 16, a limiting groove 17, a second limiting block 18 and a limiting rod 19, wherein the first fixing block 2 is installed on the base 1, the clamping block 3 is installed on the base 1, the threaded rod 4 is connected on the clamping block 3, the second fixing block 5 is arranged on the threaded rod 4, the rotating disc 6 is connected on the threaded rod 4, the fixing frame 7 is installed on the base 1, the oblique beam 8 is connected on the fixing frame 7, the motor 9 is installed on the oblique beam 8, the protective cover 10 is installed on the oblique beam 8, the handle 11 is connected on the oblique beam 8, the saw blade 12 is installed on the motor 9, the cutting groove 13 is formed on the base 1, the fixing frame 7 is connected with a torsion spring 14, the fixing frame 7 is provided with a rotating shaft 15, a first limiting block 16 is arranged in the fixing frame 7, a limiting groove 17 is formed in the first limiting block 16, the rotating shaft 15 is connected with a second limiting block 18, and a limiting rod 19 is arranged on the second limiting block 18.

The saw blade 12 is located right above the cutting groove 13, the length of the cutting groove 13 is greater than the radius of the saw blade 12, and the middle of the cutting groove 13 is located on the surface of the right side surface of the first fixing block 2, so that the saw blade 12 can move into the cutting groove 13 during cutting.

The rotating shaft 15 is of a rotating structure on the fixing frame 7 through the torsion springs 14, the torsion springs 14 are distributed on the left side and the right side of the rotating shaft 15 in two numbers, and the middle of the rotating shaft 15 is connected with the oblique beam 8, so that the oblique beam 8 can be conveniently driven to rotate through the rotation of the rotating shaft 15.

Two limiting grooves 17 are formed in the first limiting block 16, the length of each limiting groove 17 is matched with the turning angle of the saw blade 12, the size of each limiting groove 17 corresponds to that of the limiting rod 19, and the limiting rod 19 is limited through the limiting grooves 17.

The second limiting block 18 is of a rotating structure on the fixing frame 7 through the rotating shaft 15, the radius of the second limiting block 18 is larger than that of the rotating shaft 15, the radius of the second limiting block 18 is equal to that of the first limiting block 16, and the rotating radius of the limiting rod 19 during rotation is increased through the second limiting block 18.

The stop lever 19 has two stop levers 19 on the second stopper 18 with equal angular distribution, and two stop levers 19 are located same water flat line to stop lever 19 distributes on the outside of second stopper 18 lateral surface, conveniently carries out spacingly through stop lever 19 to the rotating shaft 15.

The working principle is as follows: when using this safe type PC rod iron cutting machine, at first place the device in the place that needs to use, place on the horizontally subaerial, drive threaded rod 4 through rotating rolling disc 6 and rotate on pressing from both sides tight piece 3, press from both sides tight piece 3 and move right through rotating at second fixed block 5, place the PC rod iron that needs the cutting on the right side of first fixed block 2, the position that makes the PC rod iron cut is located cutting groove 13, reverse rotation rolling disc 6 makes and presss from both sides tight piece 3 and move left, press from both sides tight piece 3 and mutually support fixed PC rod iron with first fixed block 2.

Starting a motor 9, the motor 9 driving a saw blade 12 to rotate, pulling a handle 11 downwards by hand, the handle 11 driving an oblique beam 8 to rotate on a fixed frame 7 through a rotating shaft 15, the rotating shaft 15 compressing a torsion spring 14 to rotate, the rotating shaft 15 driving a second limit block 18 to rotate at the same time, the second limit block 18 driving a limit rod 19 to rotate in a limit groove 17 on a first limit block 16, the oblique beam 8 driving the saw blade 12 to rotate around the rotating shaft 15 to cut the PC steel bar, when the saw blade 12 completely cuts the PC steel bar, the limit rod 19 will rotate to one end of the limit groove 17, the limit groove 17 limiting the limit rod 19 to further rotate, further the saw blade 12 can not rotate through the oblique beam 8 any more, preventing the saw blade 12 from excessively descending, then slightly lifting the handle 11, the torsion spring 14 driving the rotating shaft 15 to reversely rotate, the rotating shaft 15 driving the oblique beam 8 to upwards rotate to the original position until the limit rod 19 rotates to the other end of the limit groove 17, the inclined beam 8 is returned to the original position, the motor 9 is stopped, and the use of the device is completed, and the content which is not described in detail in the specification belongs to the prior art which is known by the professional person in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a safe type PC rod iron cutting machine, includes base (1), first fixed block (2), presss from both sides tight piece (3), second stopper (18) and gag lever post (19), its characterized in that: the cutting tool is characterized in that a first fixed block (2) is installed on the base (1), a clamping block (3) is installed on the base (1), a threaded rod (4) is connected onto the clamping block (3), a second fixed block (5) is arranged on the threaded rod (4), a rotating disc (6) is connected onto the threaded rod (4), a fixed frame (7) is installed on the base (1), an oblique beam (8) is connected onto the fixed frame (7), a motor (9) is installed on the oblique beam (8), a protective cover (10) is installed on the oblique beam (8), a handle (11) is connected onto the oblique beam (8), a saw blade (12) is installed on the motor (9), a cutting groove (13) is formed in the base (1), a torsion spring (14) is connected onto the fixed frame (7), a rotating shaft (15) is installed on the fixed frame (7), a first limiting block (16) is arranged in the fixed frame (7), a limiting groove (17) is formed in the first limiting block (16), a second limiting block (18) is connected to the rotating shaft (15), and a limiting rod (19) is installed on the second limiting block (18).

2. The safety type PC steel bar cutting machine according to claim 1, characterized in that: the saw blade (12) is located right above the cutting groove (13), the length of the cutting groove (13) is larger than the radius of the saw blade (12), and the middle of the cutting groove (13) is located on the surface where the right side face of the first fixing block (2) is located.

3. The safety type PC steel bar cutting machine according to claim 1, characterized in that: the rotating shaft (15) is of a rotating structure on the fixing frame (7) through the torsion springs (14), the number of the torsion springs (14) is two, the number of the torsion springs is two, and the middle of the rotating shaft (15) is connected with the oblique beam (8).

4. The safety type PC steel bar cutting machine according to claim 1, characterized in that: the two limiting grooves (17) are formed in the first limiting block (16), the length of each limiting groove (17) is matched with the turning angle of the saw blade (12), and the size of each limiting groove (17) corresponds to the size of the limiting rod (19).

5. The safety type PC steel bar cutting machine according to claim 1, characterized in that: the second limiting block (18) is of a rotating structure on the fixed frame (7) through the rotating shaft (15), the radius of the second limiting block (18) is larger than that of the rotating shaft (15), and the radius of the second limiting block (18) is equal to that of the first limiting block (16).

6. The safety type PC steel bar cutting machine according to claim 1, characterized in that: the limiting rod (19) is provided with two limiting rods (19) at equal angles on the second limiting block (18), the two limiting rods (19) are located on the same horizontal line, and the limiting rods (19) are distributed on the outer side of the outer side face of the second limiting block (18).