CN211661212U - Shearing device of combined punching and shearing machine - Google Patents

Abstract

The utility model relates to a shearing mechanism of combined punching and shearing machine, including fixed quiet sword, the rotation that sets up in the fuselage set up in the fuselage move the sword and one end is articulated move the drive arrangement of sword, drive arrangement's the other end with the fuselage is articulated, the fixed location eccentric shaft that is provided with on the fuselage, the location eccentric shaft includes eccentric section and is located the concentric section at eccentric section both ends, eccentric section with move the sword and rotate to be connected, two concentric sections rotate with the both sides wall of fuselage respectively to be connected, the location eccentric shaft with be provided with fixing device between the fuselage, the utility model discloses have and be convenient for adjust and move the sword position, and then promote the effect of shearing precision.

Description

Shearing device of combined punching and shearing machine

Technical Field

The utility model belongs to the technical field of the technique of shearing equipment and specifically relates to a shearing mechanism of combined punching and shearing machine is related to.

Background

The combined punching and shearing machine is a metal plate and section bar processing device integrating multiple functions, and the hydraulic combined punching and shearing machine is widely applied to steel structure processing, storage goods shelves, high-voltage wire towers, telecommunication towers, street lamps, advertising signboards, elevators, ventilation pipelines and other civil facility production enterprises.

Chinese patent No. CN201371279Y discloses a hydraulic combined punching and shearing machine, which comprises a machine base, a die holder, and an oil cylinder; an oil tank is arranged on one side in the machine base box, a motor and a pump are arranged on the other side in the machine base box, an electric appliance control system is arranged in the machine base box, an oil cylinder is inwards arranged on the machine base, and a piston rod of the oil cylinder is connected with the lower end of the shear shank; the machine base is provided with a machine body above, the shear shank is supported in the machine body through a rotation center, a punch is arranged at the left top end of the shear shank, a die holder is correspondingly arranged below the machine body, an I-shaped steel shearing device is arranged on the left side of the upper surface of the machine body, an angle steel shearing device is arranged on the right side of the upper surface of the machine body, a flat steel shearing device is arranged on the right side of the rotation center of the lower surface of the machine body, a die shear is arranged at the right top end of the machine body. When the technical scheme is used, the motor and the pump work to enable the hydraulic system to supply oil to the oil cylinder, and because the oil cylinder piston is connected with the lower end of the shear shank, when the hydraulic oil pushes the oil cylinder piston to move leftwards, the shear shank is enabled to move rightwards, and at the moment, the square steel, the round steel, the I-shaped steel, the channel steel shearing device, the angle steel shearing device, the flat steel shearing device and the die shearing device can be simultaneously processed; when the piston of the oil cylinder moves rightwards, the scissor frame moves leftwards, and punching processing can be performed at the moment; according to the technical scheme, the scissor frame is adopted to swing in a reciprocating mode, the five-station work applying capacity is achieved, the work efficiency and the production capacity are improved, and energy is saved.

The above prior art solutions have the following drawbacks: after the scissors frame is used for a long time, the position of the scissors frame may change due to the reaction force of steel, and the shearing precision of the steel is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be convenient for adjust and move sword position, and then promote the shearing mechanism of combined punching and shearing machine of shearing precision to the not enough of prior art existence.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the shearing device of the combined punching and shearing machine comprises a static cutter, a movable cutter and a driving device, wherein the static cutter is fixedly arranged in a machine body, the movable cutter is rotatably arranged in the machine body, one end of the movable cutter is hinged to the driving device, the other end of the driving device is hinged to the machine body, a positioning eccentric shaft is fixedly arranged on the machine body and comprises an eccentric section and concentric sections, the concentric sections are located at two ends of the eccentric section, the eccentric section is rotatably connected with the movable cutter, the two concentric sections are rotatably connected with two side walls of the machine body respectively, and a fixing device is arranged between the positioning eccentric shaft and the machine body.

By adopting the technical scheme, when the device works, steel is placed into the combined punching and shearing machine, the steel penetrates through the shearing mouths arranged on the movable cutter and the static cutter, the movable cutter is driven by the driving device to move, at the moment, the shearing mouths on the movable cutter are dislocated relative to the shearing mouths on the static cutter, the steel is sheared, and after the device is used for a long time, the shearing mouths seen back by the movable cutter and the static cutter are misaligned; the concentric end of the eccentric positioning shaft is arranged on two opposite sides of the frame, when the position of the movable knife is corrected, the eccentric positioning shaft rotates around the axis of the concentric section of the eccentric positioning shaft, and the eccentric section is eccentrically arranged relative to the concentric section, so that the eccentric section drives the movable knife to move, the movable knife is aligned to the stationary knife, and the correction of the movable knife is realized.

The present invention may be further configured in a preferred embodiment as: and a reset torsion spring is fixedly arranged between the positioning eccentric shaft and the machine body, and the reset torsion spring enables the movable knife to have a moving trend deviating from the driving device.

Through adopting above-mentioned technical scheme, when needs rotational positioning eccentric shaft, because the elasticity of reset torsion spring makes the sword have the trend of moving towards its initial erection position, after opening fixing device, move the sword and move towards its initial erection position under the effect of reset torsion spring, so not only use manpower sparingly, and make the sword can faster return to initial position and quiet sword and align, improved the device's convenience.

The present invention may be further configured in a preferred embodiment as: the fixing device comprises a fixing disc arranged on one side of the positioning eccentric shaft far away from the machine body, and the fixing disc is detachably and fixedly connected with the machine body.

Through adopting above-mentioned technical scheme, realize the fixed connection of location eccentric shaft and fuselage through the fixed disk, and set up the fixed disk in the outside of fuselage, the dismantlement of the fixed disk of being convenient for has realized the fixed connection of location eccentric shaft and fuselage like this.

The present invention may be further configured in a preferred embodiment as: the fixed disk is close fuselage one side is seted up and is annular chamber that holds, the reset torsion spring is in hold the intracavity, reset torsion spring one end with fuselage fixed connection, the other end with fixed disk fixed connection.

Through adopting above-mentioned technical scheme, hold the chamber and provide installation space for the reset torsion spring, the reset torsion spring makes the fixed disk take place to rotate for the fuselage under the elasticity effect after fixing device opens, has realized the installation of reset torsion spring like this.

The present invention may be further configured in a preferred embodiment as: the fixing disc is provided with a plurality of grooves on one side of the accommodating cavity far away from the machine body, and the grooves are all located at the positions where the reset torsion springs are close to one ends of the fixing discs and are inserted into any one of the grooves.

Through adopting above-mentioned technical scheme, the one end that is close the fixed disk with the reset torsion spring is inserted to arbitrary recess in, when the elasticity of reset torsion spring can not reset moving the sword to its initial mounted position, insert the one end that is close the fixed disk with the reset torsion spring and connect in remaining recess, can reset moving the sword to initial position until the reset torsion spring, has further improved the convenience of the device like this.

The present invention may be further configured in a preferred embodiment as: one end of the fixed disc, which is far away from the machine body, is provided with an outer hexagonal screw head or an inner hexagonal screw head.

By adopting the technical scheme, when the reset torsion spring resets the movable knife to the initial installation position, fine adjustment still needs to be performed manually to ensure the complete alignment of the movable knife and the static knife, and at the moment, the outer hexagonal screw head or the inner hexagonal screw head can facilitate an adjuster to rotationally position the eccentric shaft; this further improves the convenience of the device.

The present invention may be further configured in a preferred embodiment as: and a screw rod is arranged at one end, far away from the fixed disc, of the positioning eccentric shaft, the screw rod is connected with a limiting disc, and the limiting disc is abutted to the machine body.

By adopting the technical scheme, the positioning eccentric shaft is used for preventing the positioning eccentric shaft from separating from the machine body in the moving process of the movable knife after the fixing device is opened, so that the limiting disc is arranged for limiting the positioning eccentric shaft to be away from one end of the fixed disc, the fixing device is opened, the positioning eccentric shaft is ensured not to separate from the machine body, and the reliability of the device is improved.

The present invention may be further configured in a preferred embodiment as: the machine body is provided with a flat steel shear plate under the movable cutter, and the flat steel shear plate is provided with a compensation groove under the movable cutter.

Through adopting above-mentioned technical scheme, the band steel shear plate is used for supporting the band steel, because move the sword and rotate around its rotation tie point with the location eccentric shaft, consequently keep away from the sword that moves of drive arrangement one end and will contact the band steel earlier, consequently need set up the compensation groove and be used for holding and move the sword, has guaranteed like this that move the sword and to the normal shearing of band steel.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the eccentric section drives the movable knife to move, so that the movable knife is aligned with the static knife, and correction of the movable knife is realized;

2. through reinstalling the position spring, not only use manpower sparingly, and make and move the sword and can more fast return initial position and quiet sword and align, improved the device's convenience.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a sectional view of section a-a in fig. 1.

FIG. 3 is a schematic view of a part of the structure of the present invention; the eccentric shaft, the fixed disk and the limiting disk are positioned and displayed.

Fig. 4 is a sectional view of section B-B in fig. 3.

In the figure, 1, a fuselage; 11. moving a knife; 12. a stationary knife; 13. a drive device; 2. positioning an eccentric shaft; 21. an eccentric section; 22. a concentric segment; 23. a return torsion spring; 24. fixing the disc; 241. an accommodating chamber; 242. a groove; 243. an outer hexagonal screw head; 25. a limiting disc; 26. a flat steel shear plate; 261. and a compensation groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a shearing mechanism of combined punching and shearing machine, including fixed stationary knife 12, the rotatory sword 11 that sets up in fuselage 1 that moves that sets up in fuselage 1 and one end articulate the drive arrangement 13 that moves sword 11, drive arrangement 13's the other end is articulated with fuselage 1, and fuselage 1 is provided with band steel shear plate 26 under moving sword 11, and band steel shear plate 26 is provided with compensation groove 261 under moving sword 11.

Referring to fig. 1 and 3, a positioning eccentric shaft 2 is fixedly arranged on a machine body 1, the positioning eccentric shaft 2 comprises an eccentric section 21 and concentric sections 22 positioned at two ends of the eccentric section 21, the eccentric section 21 is rotatably connected with a movable knife 11, the two concentric sections 22 are respectively rotatably connected with two side walls of the machine body 1, and a fixing device is arranged between the positioning eccentric shaft 2 and the machine body 1; the fixing device comprises a fixed disc 24 arranged on one side of the positioning eccentric shaft 2 far away from the machine body 1, and the fixed disc 24 is detachably and fixedly connected with the machine body 1; in this embodiment, the fixing disc 24 is connected to the machine body 1 by a stud, and the fixing disc 24 is coaxially disposed with the concentric section 22.

Referring to fig. 3 and 4, a reset torsion spring 23 is fixedly arranged between the positioning eccentric shaft 2 and the machine body 1, and the reset torsion spring 23 enables the movable knife 11 to have a moving trend away from the driving device 13; an annular accommodating cavity 241 is formed in one side, close to the machine body 1, of the fixed disc 24, the reset torsion spring 23 is located in the accommodating cavity 241, one end of the reset torsion spring 23 is fixedly connected with the machine body 1, and the other end of the reset torsion spring is fixedly connected with the fixed disc 24; the fixed disk 24 is provided with a plurality of grooves 242 on one side away from the machine body 1 in the accommodating cavity 241, and the plurality of grooves 242 are all positioned at one end of the reset torsion spring 23 close to the fixed disk 24 and are inserted into any one of the grooves 242; in this embodiment, the accommodating chamber 241 is disposed coaxially with the fixed disk 24, and the plurality of grooves 242 are uniformly distributed on the arc line of the concentric circle of the fixed disk 24.

Referring to fig. 4, a bolt hole is formed in one end, away from the fixed disc 24, of the positioning eccentric shaft 2, the bolt hole is connected with a limiting disc 25, and the limiting disc 25 abuts against the machine body 1; one end of the fixed disc 24, which is far away from the machine body 1, is provided with an outer hexagonal screw head or an inner hexagonal screw head; in this embodiment, the limiting disc 25 and the concentric section 22 are coaxially disposed, and the end of the fixed disc 24 away from the machine body 1 is provided with an outer hexagonal screw head.

The implementation principle of the embodiment is as follows: when the position of the movable knife 11 is corrected, the fixing device is opened, namely a bolt fixedly connecting the fixed disc 24 and the machine body 1 is detached, the positioning eccentric shaft 2 rotates around the axis of the concentric section 22 relative to the machine body 1 under the action of the reset torsion spring 23, the eccentric section 21 drives the movable knife 11 to move towards the initial installation position of the movable knife 11, in the process, the limiting disc 25 and the fixed disc 24 which are arranged at one end of the positioning eccentric shaft 2 far away from the fixed disc 24 ensure that the positioning eccentric shaft 2 cannot be separated from the machine body 1, the movable knife 11 can roughly reach the initial installation position under the action of the reset torsion spring 23, an adjuster can use a wrench to match with an outer hexagonal screw head or an inner hexagonal screw head to rotate the positioning eccentric shaft 2 to finely adjust the positioning eccentric shaft 2, and the fixed disc 24 is fixedly connected with the machine body 1 again after adjustment is finished; the fixed disk 24 is provided with an accommodating cavity 241 for accommodating the reset torsion spring 23, and the plurality of grooves 242 are used for adjusting the torsion force of the reset torsion spring 23 so that the reset torsion spring 23 is in a proper elastic state; the flat steel shear plate 26 is used for supporting flat steel, and the compensation groove 261 is used for accommodating the movable blade 11, so that the movable blade 11 can normally shear the flat steel.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a shearing mechanism of combined punching and shearing machine, includes fixed stationary knife (12), the rotatory sword (11) and the one end that set up in fuselage (1) of moving that set up in fuselage (1) articulated move drive arrangement (13) of sword (11), the other end of drive arrangement (13) with fuselage (1) is articulated, its characterized in that: the fixed location eccentric shaft (2) that is provided with on fuselage (1), location eccentric shaft (2) include eccentric section (21) and are located concentric section (22) at eccentric section (21) both ends, concentric section (22) with move sword (11) and rotate and be connected, two eccentric sections (21) rotate with the both sides wall of fuselage (1) respectively and are connected, location eccentric shaft (2) with be provided with fixing device between fuselage (1).

2. A shearing device of a combined punching and shearing machine as defined in claim 1, wherein: a reset torsion spring (23) is fixedly arranged between the positioning eccentric shaft (2) and the machine body (1), and the reset torsion spring (23) enables the moving blade (11) to have a moving trend deviating from the driving device (13).

3. A shearing device of a combined punching and shearing machine as defined in claim 2, wherein: the fixing device comprises a fixed disc (24) which is arranged on one side of the positioning eccentric shaft (2) far away from the machine body (1), and the fixed disc (24) is detachably and fixedly connected with the machine body (1).

4. A shearing device of a combined punching and shearing machine as defined in claim 3, wherein: fixed disk (24) are close fuselage (1) one side is seted up and is annular chamber (241) that holds, reset torsion spring (23) are in hold in the chamber (241), reset torsion spring (23) one end with fuselage (1) fixed connection, the other end with fixed disk (24) fixed connection.

5. A shearing device of a combined punching and shearing machine as defined in claim 4, wherein: the fixed disk (24) is provided with a plurality of grooves (242) on one side of the accommodating cavity (241) far away from the machine body (1), and the grooves (242) are all located at the positions where the reset torsion springs (23) are close to one end of the fixed disk (24) and are inserted into any one of the grooves (242).

6. A shearing device of a combined punching and shearing machine as defined in claim 5, wherein: one end of the fixed disc (24), which is far away from the machine body (1), is provided with an outer hexagonal screw head (243) or an inner hexagonal screw head.

7. A shearing device of a combined punching and shearing machine as defined in claim 3, wherein: the positioning eccentric shaft (2) is provided with a bolt hole at one end far away from the fixed disc (24), the bolt hole is connected with a limiting disc (25), and the limiting disc (25) is abutted to the machine body (1).

8. A shearing device of a combined punching and shearing machine as defined in claim 1, wherein: the machine body (1) is provided with a flat steel shear plate (26) under the movable knife (11), and the flat steel shear plate (26) is provided with a compensation groove (261) under the movable knife (11).

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