CN213379024U

CN213379024U - Cutter shaft of steel bar cutter

Info

Publication number: CN213379024U
Application number: CN202022134020.1U
Authority: CN
Inventors: 张建文; 叶学; 肖坤英; 代会民
Original assignee: Ruian Jianxin Machinery Manufacturing Co ltd
Current assignee: Ruian Jianxin Machinery Manufacturing Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-06-08
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a cutter shaft of a steel bar cutter in the field of steel bar cutting, a base is fixedly connected with a motor base, the motor base is fixedly connected with a motor, a motor output shaft is fixedly connected with a transmission shaft, the transmission shaft is sleeved with a shaft support frame, one end of the motor far away from the motor is fixedly connected with a cam II, a cam I is fixedly connected between the shaft support frame and the cam II on the transmission shaft, a support frame is fixedly connected with the base, one end of the two support frames is fixedly connected with springs, one end of the two springs far away from the support frames is fixedly connected with a limit plate, one limit plate is fixedly connected with a connecting rod I, one end of the connecting rod I is contacted with the surface of the cam I, and the other end of the connecting rod I is fixedly connected with a limit rod. The problem of self-fixing and cutting off the reinforcing steel bars is solved without other fixing equipment.

Description

Cutter shaft of steel bar cutter

Technical Field

The utility model relates to a bar cutting field specifically is bar cutter arbor.

Background

A steel bar cutting machine is a tool used for cutting steel bars. Generally, there are full-automatic steel bar cutting machines and semi-automatic steel bar cutting machines. The fixed-length cutting device is one of indispensable devices for processing reinforcing steel bars, and is mainly used for fixed-length cutting of the reinforcing steel bars in buildings, bridges, tunnels, power stations, large-scale water conservancy projects and the like. Compared with other cutting equipment, the steel bar cutting machine has the characteristics of light weight, less energy consumption, reliable work, high efficiency and the like, so the steel bar cutting machine is gradually and widely adopted by machining, small-sized steel mills and the like in recent years, and plays an important role in various fields of national economic construction.

When the cutter shaft of the existing steel bar cutting machine cuts off the steel bars, the steel bars need to be fixed in advance by means of other fixing equipment and then cut off, and after the steel bars are cut off, the steel bars are taken out from other fixed equipment, so that the simple cutting operation becomes very complicated, and a large amount of time is wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bar cutter arbor to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the cutter shaft of the steel bar cutting machine comprises a base, wherein a motor base is fixedly connected with the base, a motor is fixedly connected with the motor base, a transmission shaft is fixedly connected with an output shaft of the motor, a shaft support frame is sleeved on the transmission shaft, one end, far away from the motor, of the transmission shaft is fixedly connected with a cam II, a cam I is fixedly connected between the shaft support frame and the cam II on the transmission shaft, the base is fixedly connected with two support frames, one end of each of the two support frames is fixedly connected with a spring, one end, far away from the support frame, of each of the two springs is fixedly connected with a limiting plate, one limiting plate is fixedly connected with a connecting rod I, one end of each connecting rod I is in contact with the surface of the cam I, the other end of each connecting rod I, one end of the connecting rod II is in contact with the surface of the cam II, the other end of the connecting rod II is fixedly connected with a connecting plate, the bottom of one surface of the connecting rod II is far away from the connecting plate, a cutting knife is fixedly connected with the shaft, the base is far away from one end of the shaft support frame, a baffle is fixedly connected with, a groove is formed in the baffle, and a yielding hole is formed in the baffle.

As a further aspect of the present invention: the axis of the first connecting rod is intersected and perpendicular to the axis of the first cam, the first connecting rod is conveniently pushed by the first cam, and then the reinforcing steel bar is fixed by the limiting rod.

As a further aspect of the present invention: the axis of the second connecting rod is intersected and vertical to the axis of the second cam, the structure is convenient for pushing the second connecting rod on the second cam, and then the cutting knife can cut the steel bar.

As a further aspect of the present invention: the first cam is provided with four arc surfaces, the second cam is provided with three arc surfaces, the total stroke of the first cam is larger than that of the second cam, and the structure is convenient for cutting the reinforcing steel bars.

As a further aspect of the present invention: the bearing is arranged between the transmission shaft and the shaft support frame, and the structure is convenient for reducing the friction between the transmission shaft and the shaft support frame, so that the output power of the motor is maximized.

As a further aspect of the present invention: the size of the hole of stepping down with the size and dimension phase-match of gag lever post, and the level is the same, and this structure is convenient for fix the reinforcing bar to can not take place the skew when the cutting.

As a further aspect of the present invention: one end of the baffle is tangent to the back of the cutting knife, and the structure is convenient for the cutting knife to cut the reinforcing steel bar.

As a further aspect of the present invention: fixedly connected with rather than assorted protective housing on the base, this structure plays the effect to staff's on one side protection when playing the operation.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through starter motor, motor output shaft drives the transmission shaft and rotates, the transmission shaft drives cam one and cam two rotates, cam one promotes connecting rod one and connecting rod two removes with cam two, connecting rod one promotes the gag lever post, connecting rod two promotes the cutting sword, first stroke connecting rod one and connecting rod two-way hole position removal of stepping down, compress tightly the reinforcing bar when connecting rod one gets into the hole of stepping down, two contact reinforcement of connecting rod, get into the second stroke, connecting rod two continues to remove to the baffle direction, cut off the reinforcing bar, the connecting rod keeps motionless, when the reinforcing bar is cut off completely, get into the third stroke, the gag lever post withdraws from the hole of stepping down, the cutting sword back breaks away from the contact with the baffle.

2. The utility model discloses in, embolia the recess of stepping down the hole with the reinforcing bar firmly fixing the reinforcing bar in putting into the recess through the gag lever post with the reinforcing bar, reinforcing bar atress flew when avoiding the cutting, causes the injury to personnel on one side.

3. In the utility model, the limiting plate is driven to move when the first connecting rod and the second connecting rod move, and the limiting plate moves because the supporting frame is fixed on the base, and the spring is continuously compressed to store force; when the cam is separated from the first connecting rod and the second connecting rod, the spring releases tension to reset the first connecting rod and the second connecting rod.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection relationship between the motors of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a base; 2. a motor; 3. a motor base; 4. a drive shaft; 5. an axle bracket; 6. a first cam; 7. a second cam; 8. a first connecting rod; 9. a second connecting rod; 10. a spring; 11. a limiting plate; 12. a support frame; 13. a limiting rod; 14. a hole of abdication; 15. a connecting plate; 16. a cutting blade; 17. a baffle plate; 18. a groove; 19. a protective shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a cutter shaft of a steel bar cutting machine includes a base 1, the base 1 is fixedly connected with a motor base 3, the motor base 3 is fixedly connected with a motor 2, an output shaft of the motor 2 is fixedly connected with a transmission shaft 4, the transmission shaft 4 is sleeved with a shaft support frame 5, one end of the transmission shaft 4 away from the motor 2 is fixedly connected with a cam II 7, a cam I6 is fixedly connected between the shaft support frame 5 and the cam II 7 on the transmission shaft 4, the base 1 is fixedly connected with a support frame 12, and the number of the support frames 12 is two, one end of each of the two support frames 12 is fixedly connected with a spring 10, one end of each of the two springs 10 away from the support frame 12 is fixedly connected with a limit plate 11, one limit plate 11 is fixedly connected with a connecting rod I8, another 11 fixedly connected with connecting rods of limiting plate 9, the one end of connecting rod two and the surface contact of two 7 of cam, the other end fixedly connected with connecting plate 15 of connecting rod two 9, connecting plate 15 is kept away from the bottom of two 9 one sides of connecting rod and is passed through axle fixedly connected with cutting sword 16, the one end fixedly connected with baffle 17 of axle support frame 5 is kept away from to base 1, seted up recess 18 on the baffle 17, the hole 14 of stepping down has been seted up on the baffle 17, this structure utilizes cam 6 to drive gag lever post 13 and fixes the reinforcing bar, cutting sword 16 cuts off the reinforcing bar simultaneously, traditional bar cutter arbor has been solved when cutting off the reinforcing bar, need not with the help of other fixed equipment, carry out the fixed problem of cutting off to the.

Wherein, the axis of the connecting rod I8 is crossed and vertical with the axis of the cam I6, the structure is convenient for pushing the connecting rod I at the cam I6, and further realizes the fixation of the limiting rod 13 to the steel bar, the axis of the connecting rod II 9 is crossed and vertical with the axis of the cam II 7, the structure is convenient for pushing the connecting rod II at the cam II 7, and further realizes the cutting of the steel bar by the cutting knife 16, the cam I6 has four arc surfaces, the cam II 7 has three arc surfaces, and the total stroke of the cam I6 is larger than that of the cam II 7, the structure is convenient for simplifying the cutting of the steel bar, a bearing is arranged between the transmission shaft 4 and the shaft bracket 5, the structure is convenient for reducing the friction between the transmission shaft 4 and the shaft bracket 5, thereby maximizing the output power of the motor 2, the size of the abdication hole 14 is matched with the size of the limiting rod 13, the horizontal height is the same, and the structure, and can not take place the skew when the cutting, the one end of baffle 17 is tangent with the cutting sword 16 back, and the cutting of the cutting sword 16 to the reinforcing bar of being convenient for of this structure, fixedly connected with on the base 1 rather than assorted protective housing 19, this structure plays the effect to staff on one side when the operation.

The utility model discloses a theory of operation is:

when the steel bar cutting machine is used, a steel bar is placed into the limiting rod 13 in the groove 18 and sleeved into the abdicating hole 14, so that the steel bar is firmly fixed in the groove 18 on the baffle 17, the steel bar is prevented from flying due to stress during cutting and causing injury to people beside the steel bar, the motor 2 is started, the output shaft of the motor 2 drives the transmission shaft 4 to rotate, the transmission shaft 4 rotates in the shaft support frame 5 under the action of the bearing, the transmission shaft 4 drives the cam I6 and the cam II 7 to rotate, the cam I6 and the cam II 7 push the connecting rod I8 and the connecting rod II 9 to move, the connecting rod I8 pushes the limiting rod 13, the connecting rod II 9 pushes the cutting knife 16, the connecting rod I8 and the connecting rod II 9 drive the limiting plate 11 to move when moving, and the supporting frame 12 is fixed on; connecting rod 8 and connecting rod two 9 move into first stroke to the hole 14 position of stepping down, compress tightly the reinforcing bar when connecting rod 8 gets into the hole 14 of stepping down, connecting rod two 9 contact reinforcing bar, get into the second stroke, connecting rod two 9 continues to move to baffle 17 direction, cut off the reinforcing bar, connecting rod 8 keeps motionless, when the reinforcing bar is cut off completely, get into the third stroke, cam 6 breaks away from connecting rod 8 and connecting rod two 9 with cam two 7, spring 10 releases tension, gag lever post 13 withdraws from the hole 14 of stepping down, 16 backs of cutting sword break away from the contact with baffle 17, accomplish reinforcing bar cutting off work, protective housing 19 on the base 1 plays equipment during operation, including the part parcel, play the guard action.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Bar cutter arbor, including base (1), its characterized in that: the motor base (3) is fixedly connected with the base (1), the motor base (3) is fixedly connected with the motor (2), the output shaft of the motor (2) is fixedly connected with the transmission shaft (4), the shaft support frame (5) is sleeved on the transmission shaft (4), one end of the motor (2) far away from the transmission shaft (4) is fixedly connected with the cam II (7), the cam I (6) is fixedly connected between the shaft support frame (5) and the cam II (7) on the transmission shaft (4), the support frame (12) is fixedly connected with the base (1), the number of the support frames (12) is two, one end of each of the two support frames (12) is fixedly connected with the spring (10), one end of each of the two springs (10) far away from the support frame (12) is fixedly connected with the limiting plate (11), and one end of each of the limiting plate (11) is fixedly, the one end of connecting rod (8) with the surface contact of cam (6), the other end fixedly connected with gag lever post (13) of connecting rod (8), another limiting plate (11) fixedly connected with connecting rod two (9), the one end of connecting rod two (9) with the surface contact of cam two (7), the other end fixedly connected with connecting plate (15) of connecting rod two (9), keep away from connecting plate (15) axle fixedly connected with cutting sword (16) is passed through to the bottom of connecting rod two (9) one side, keep away from base (1) the one end fixedly connected with baffle (17) of axle strut (5), seted up recess (18) on baffle (17), set up hole of stepping down (14) on baffle (17).

2. The arbor of a bar cutter of claim 1, wherein: the axis of the connecting rod I (8) is intersected with and perpendicular to the axis of the cam I (6).

3. The arbor of a bar cutter of claim 1, wherein: the axis of the second connecting rod (9) is intersected with and perpendicular to the axis of the second cam (7).

4. The arbor of a bar cutter of claim 1, wherein: the first cam (6) is provided with four arc surfaces, the second cam (7) is provided with three arc surfaces, and the total stroke of the first cam (6) is greater than that of the second cam (7).

5. The arbor of a bar cutter of claim 1, wherein: and a bearing is arranged between the transmission shaft (4) and the shaft support frame (5).

6. The arbor of a bar cutter of claim 1, wherein: the size of the abdicating hole (14) is matched with the size of the limiting rod (13), and the horizontal heights of the abdicating hole and the limiting rod are the same.

7. The arbor of a bar cutter of claim 1, wherein: one end of the baffle plate (17) is tangent to the back surface of the cutting knife (16).

8. The arbor of a bar cutter of claim 1, wherein: the base (1) is fixedly connected with a protective shell (19) matched with the base.