CN210996760U

CN210996760U - Automatic shearing mechanism of steel grating

Info

Publication number: CN210996760U
Application number: CN201920986690.0U
Authority: CN
Inventors: 冯艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-07-14
Anticipated expiration: 2029-06-27

Abstract

The utility model provides an automatic shearing mechanism of steel grating, including shearing the mechanism, it includes the mounting panel to shear the mechanism, the head is sheared under and on the mutual symmetry of fixed mounting on the mounting panel, on shear the head and cut the overhead symmetry down and set up the slotted hole, fixed blade and movable blade install in on form the shearing angle in the slotted hole of shearing the head, on shear head movable mounting in on the mounting panel, and drive by a Z to drive mechanism and be in remove on the mounting panel, it still includes a power unit that is used for promoting the motion of movable blade to shear the mechanism. The utility model discloses can satisfy the shearing requirement of different model steel grating through the flexible distance that changes the pneumatic cylinder piston rod, add the mould changing and need not to change another set of anchor clamps man-hour, improve steel grating shearing efficiency effectively.

Description

Automatic shearing mechanism of steel grating

Technical Field

The utility model relates to a steel grating equipment technical field especially relates to an automatic shearing mechanism of steel grating.

Background

At present, in the field of steel grating processing production, cutting is one of indispensable processes in the processing process of steel gratings.

The cutting methods most commonly used in industrial production can be roughly classified into metal sawing, hydraulic shearing, and flame cutting. 3 types, which are respectively characterized in that:

hydraulic shearing: the production efficiency is high, the material loss is small, the maintenance is convenient, the technical difficulty is high, and the method is not applied to production;

sawing the metal: the efficiency is low, the material loss at the saw gap is large, the noise is large, the dust pollution is large, and in addition, the consumption of saw blades is considerable waste;

flame cutting: the cutting device is formed by mixing combustible gas and oxygen to generate high-temperature flame for cutting, has poor cutting precision, high danger coefficient, low labor efficiency and product quality, and is rarely used in the mass production process.

Therefore, shearing is a cutting mode which is more suitable for cutting the steel grating. A steel grating shearing device with Chinese patent publication No. CN101219487A comprises a frame, a lifting device, a vertical shaft and a clamper, wherein a cutter is fixed at the lower part of the lifting device, the cutter can extend into the space between two rows of clampers, the bottom edge of the triangle can extend out of the lower edge of the clamper, the head of the cutter is triangle, the number of the cutters can be 1 or more, a gap is arranged between adjacent cutters, and the lifting device is hydraulic or motor type. It has the disadvantages that:

1. the cutting mode of the upper and lower formulas is adopted, namely, the cutter is inserted into the flat steel gap of the steel grating from top to bottom to realize cutting, and the cutter needs to be replaced or the gap between the cutters needs to be adjusted according to the requirements of different types of steel gratings, so that the operation is very troublesome;

2. the position needing to be cut cannot be accurately found;

3. the automation degree is low, and the requirement of automatic production in the existing steel grating manufacturing industry cannot be met;

4. the bending of the flat steel occurring in the shearing process cannot be corrected.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art existence, provide an automatic shearing mechanism of steel grating, mainly solved the "demand to different model steel gratings of existence among the prior art, need change the cutter or adjust the clearance between the cutter, the technical problem of operation ten minutes troubles".

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides an automatic shearing mechanism of steel grating, is including shearing the mechanism, it includes the mounting panel to shear the mechanism, the head is sheared under and to the head on the mutual symmetry of fixed mounting on the mounting panel, on shear the head and cut the overhead symmetry down and set up the slotted hole, fixed blade and movable blade install in on shear the slotted hole of head and form the shearing angle, on shear head movable mounting in on the mounting panel, and drive by a Z to drive mechanism and be in remove on the mounting panel, it still includes a power unit that is used for promoting the motion of movable blade to shear the mechanism.

According to the preferable technical scheme, the power mechanism is a motor, an air cylinder or a hydraulic cylinder, and is installed on the upper shearing head or the lower shearing head;

preferably, the two power mechanisms are respectively arranged on the upper shearing head and the lower shearing head;

preferably, the power mechanism is mounted on the upper cutting head and the lower cutting head through screws.

As a preferable technical scheme, the Z-direction transmission mechanism comprises a shearing head lifting cylinder and a Z-direction guide rail mounted on the mounting plate, the upper shearing head is movably mounted on the Z-direction guide rail, and the shearing head cylinder is connected with the upper shearing head to drive the upper shearing head to move on the Z-direction guide rail.

According to the preferable technical scheme, the Z-direction transmission mechanism comprises a driving mechanism and a screw rod arranged on the mounting plate, the upper shearing head is arranged on the screw rod, and the driving mechanism is connected with the screw rod to drive the screw rod to rotate to drive the upper shearing head to move on the screw rod.

As a preferable technical scheme, the slotted hole is an L-shaped groove, wherein the fixed blade is arranged in a short-side slotted hole in a L-shaped groove, and the movable blade is arranged in a long-side slotted hole in a L-shaped groove.

The shearing mechanism is driven by the X-direction transmission mechanism and movably mounted on an X-direction guide rail, and the shearing mechanism further comprises a sensor for detecting the shearing position and an electric controller electrically connected with the sensor, wherein the electric controller is used for receiving signals of the sensor and controlling the movement of the X-direction transmission mechanism and the Z-direction transmission mechanism;

preferably, the number of the shearing mechanisms is at least two.

According to a preferable technical scheme, the X-direction transmission mechanism comprises a transmission screw rod and a power device, the power device is connected with the transmission screw rod, and the transmission screw rod is connected with the mounting plate so as to drive the mounting plate to move on the X-direction guide rail.

Preferably, the power device is one of an electric motor, a cylinder and a motor.

The correcting mechanism comprises a correcting rod with an inclined angle and a correcting rod cylinder, wherein the correcting rod cylinder is connected with the correcting rod, and the inclined angle of the correcting rod is used for wedging the side face of the sheared workpiece.

Preferably, the leveling rod cylinder is mounted below the mounting plate.

Has the advantages that:

1. the utility model discloses through rationally designing, adopting the design of scissors formula, utilizing to have anterior angle and relief angle on fixed blade and the movable blade and forming the cutting edge, at last shear overhead with bolt installation fixed blade, with bolt installation movable blade on the pneumatic cylinder piston rod, drive movable blade activity and fixed blade through the pneumatic cylinder and produce the bearing band steel that the shearing force cut the steel grating. The utility model discloses can satisfy the shearing requirement of different model steel grating through the flexible distance that changes the pneumatic cylinder piston rod, add the mould changing and need not to change another set of anchor clamps man-hour, improve steel grating shearing efficiency effectively.

2. The utility model discloses X has been increased to drive mechanism for shear mechanism can be along lateral motion, after having sheared the band steel of a position, continue to move next position through X to drive mechanism and cut, can realize the shearing work of steel grating automatically.

3. The utility model discloses the sensor has been increased for accurate seeking shearing position, preferably laser sensor, whether there is the band steel to confirm whether reach shearing position through laser sensor response detection, and the mode of seeking for is accurate, realizes the automatic shearing of steel grating ground.

4. The utility model discloses increased aligning gear, after the movable blade resets, the leveling rod utilizes the inclined plane angle of leveling rod to wedge into the work piece side of cutting under the promotion of correction cylinder, stretches out the opposite direction motion that the leveling rod of shearing head warp to the work piece under to drive mechanism control again by X for steel grating work piece after the shearing accords with the production needs, and the appearance also can be more pleasing to the eye.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a three-dimensional structure diagram of an automatic shearing device for steel grating of the present invention;

fig. 2 is a front view of a shearing mechanism of the automatic shearing device for steel grating of the present invention;

FIG. 3 is a schematic structural diagram of a shearing mechanism of the automatic shearing device for steel grating of the present invention;

fig. 4 is a top view of a shearing mechanism of the automatic shearing device for steel grating of the present invention;

in the figure, 1 is a mounting plate, 2 is an upper shearing head, 3 is a lower shearing head, 4 is a slotted hole, 5 is a fixed blade, 6 is a movable blade, 7 is a hydraulic cylinder, 7-1 is an upper hydraulic cylinder, 7-2 is a lower hydraulic cylinder, 7-3 is a first oil inlet, 7-4 is a piston rod, 7-5 is a second oil inlet, 8 is a screw rod, 9 is a shearing head lifting cylinder, 10 is a Z-direction guide rail, 11 is a steel grating workpiece, 12 is an X-direction guide rail, 13 is a sensor, 14 is a transmission screw rod, 15 is a motor, 16 is a correction rod, and 17 is a correction rod cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The invention will now be further described with reference to the accompanying drawings.

The utility model provides an automatic shearing mechanism of steel grating, refers to fig. 1 ~ 4 and shows, including shearing the mechanism, it includes mounting panel 1 to shear the mechanism, the head is sheared 2 and shearing head 3 down on the mounting panel 1 is gone up the mutual symmetry of fixed mounting, on shear head 2 and shearing head 3 down on the symmetry set up slotted hole 4, fixed blade 5 and movable blade 6 install in on shear the slotted hole 4 of head form the shearing angle, on shear head 2 movable mounting in on the mounting panel 1, and drive by a Z to drive mechanism and move on the mounting panel 1, it still includes a power unit that is used for promoting the motion of movable blade to shear the mechanism.

In this embodiment, with reference to fig. 1 to 4, the power mechanism is a hydraulic cylinder 7, and two hydraulic cylinders 7 are provided, namely an upper hydraulic cylinder 7-1 and a lower hydraulic cylinder 7-2; two hydraulic cylinders 7 are respectively arranged on the upper shearing head 2 and the lower shearing head 3 through screws 8.

In this embodiment, with continued reference to fig. 1 to 4, the Z-direction transmission mechanism includes a cutting head lifting cylinder 9 and a Z-direction rail 10 mounted on the mounting plate 1, the upper cutting head 2 is movably mounted on the Z-direction rail 10, and the cutting head cylinder 9 is connected to the upper cutting head 2 to drive the upper cutting head 2 to move on the Z-direction rail 10.

The shearing working principle of the automatic shearing device for the steel grating in the embodiment is as follows: when the shearing machine works, a cutter on the upper shearing head 2 is inserted into the lower shearing head 3, hydraulic oil pushes the piston rod 7-1 to advance through the first oil inlet 7-3 of the upper hydraulic cylinder 7-1, and then the piston rod 7-4 drives the movable blade 6 to advance; meanwhile, hydraulic oil pushes a piston rod 7-4 to advance through a first oil inlet 7-3 of a lower hydraulic cylinder 7-1, then a movable blade 6 is driven to advance by the piston rod 7-4 of the lower hydraulic cylinder 7-2, the purpose that the upper hydraulic cylinder and the lower hydraulic cylinder drive the movable blade 6 to advance together is achieved, the movable blade 6 and a fixed blade 5 generate shearing force to shear the bearing flat steel of the steel grating, and then the piston rod 7-4 is simultaneously retracted through a second oil inlet 7-5 of the upper hydraulic cylinder and the lower hydraulic cylinder, so that the movable blade 6 is reset.

In another embodiment, the Z-direction transmission mechanism comprises a driving mechanism and a screw rod installed on the installation plate, the upper shearing head is installed on the screw rod, and the driving mechanism is connected with the screw rod to drive the screw rod to rotate to drive the upper shearing head to move on the screw rod. The utility model discloses do not show, it is another kind and utilizes the lift mode of shear head on the mode realization of screw drive.

In the preferred embodiment of the present invention, with continued reference to fig. 1, the slot 4 is a "L" slot, wherein the fixed blade 5 is installed in the short-side slot in the "L" slot, and the movable blade 6 is installed in the long-side slot in the "L" slot.

The L groove can play a limiting role in the shearing process, so that the movable blade 6 can perform shearing work within the designed movement width range.

In the preferred embodiment of the present invention, with continued reference to fig. 1, the cutting mechanism is movably mounted on an X-directional guide rail 12 driven by the X-directional transmission mechanism, and further includes a sensor 13 for detecting a cutting position, and an electric controller (not shown) electrically connected to the sensor 13 for receiving a signal from the sensor 13 and controlling the movement of the X-directional transmission mechanism and the Z-directional transmission mechanism; the number of shearing mechanisms is at least two (two in this embodiment).

Further, with continued reference to fig. 1, the X-direction transmission mechanism includes a transmission screw 14 and a power device, the power device is connected to the transmission screw 14, and the transmission screw 14 is connected to the mounting plate 1 to drive the mounting plate 1 to move on the X-direction guide rail 12.

The power means is preferably an electric motor 15.

Referring to fig. 1, the embodiment adds a sensor design, and mainly aims to find the position of the flat steel quickly and accurately for shearing, so that the working efficiency of shearing the steel grating plate is effectively improved, the labor intensity of workers is reduced, and the industrial automation is facilitated. The present embodiment provides two positioning methods, namely distance positioning and laser positioning.

And (4) finding the distance by using a distance measuring sensor, such as a laser distance measuring sensor, a radar distance measuring sensor and the like. The principle is as follows: the sensor 13 transmits a signal towards the steel grating workpiece 11, if the flat steel exists in the position, the signal returns to obtain a distance value, and if the flat steel does not exist in the position, the signal may return to the rack or the ground only by contacting the rack or the ground, namely another distance value; a standard distance value from a sensor to the flat steel is preset, if the detected distance value is close to the preset value (the error is +/-0.1 mm), the position is found, the electric controller can control the X-direction transmission mechanism to stop moving and control the Z-direction transmission mechanism to carry out the shearing work mentioned above, and the shearing is realized.

The laser is looked for the position, adopts laser detector, can be at upper and lower installation laser transceiver, and at the mounting panel removal in-process, the transmission laser between two laser transceivers, if laser is blockked, then shows that there is the band steel here, finds the position of required shearing promptly, at this moment, sends the signal to the electrical controller. The electric controller controls the X-direction transmission mechanism to stop moving and controls the Z-direction transmission mechanism to carry out the shearing work mentioned above, so that the shearing is realized.

The utility model discloses preferred embodiment, it is shown with continued reference to fig. 1 ~ 4, still include correction mechanism, correction mechanism is including correction rod 16 and correction rod cylinder 17 that have the inclined plane angle, correction rod cylinder 17 install in the below of mounting panel 1, correction rod cylinder 17 connects correction rod 16 utilizes the inclined plane angle wedge of correction rod 16 to cut the work piece side.

In specific implementation, a sheared workpiece is deformed (mainly shown as bending), after the movable blade 6 is reset, the straightening rod 16 is pushed by the straightening cylinder 17 to wedge the side surface of the sheared workpiece by utilizing the inclined angle of the straightening rod 16, and then the X-direction transmission mechanism controls the straightening rod extending out of the slotted hole 4 of the lower shearing head 3 to move towards the opposite direction of the deformation of the workpiece, so that the aim of pushing the deformed part to reset by the straightening rod 16 is fulfilled.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides an automatic shearing mechanism of steel grating, includes shears the mechanism, it includes the mounting panel to shear the mechanism, its characterized in that, the head is sheared under and on the mutual symmetry of fixed mounting on the mounting panel, on shear the head and cut the head down on the symmetry and set up the slotted hole, fixed blade and movable blade install in on form the shearing angle in the slotted hole of shearing the head, on shear head movable mounting in on the mounting panel, and drive by a Z to drive mechanism and be in remove on the mounting panel, it still includes a power unit that is used for promoting the motion of movable blade to shear the mechanism.

2. The automatic steel grating shearing device as claimed in claim 1, wherein the power mechanism is a motor, an air cylinder or a hydraulic cylinder, and the power mechanism is mounted on the upper shearing head or the lower shearing head.

3. The automatic steel grating shearing device as claimed in claim 2, wherein the two power mechanisms are respectively mounted on the upper shearing head and the lower shearing head.

4. The automatic steel grating shearing device as claimed in claim 2, wherein the power mechanism is mounted on the upper shearing head and the lower shearing head by screws.

5. The automatic steel grating shearing device as claimed in claim 1, wherein the Z-direction transmission mechanism comprises a shearing head lifting cylinder and a Z-direction guide rail mounted on a mounting plate, the upper shearing head is movably mounted on the Z-direction guide rail, and the shearing head cylinder is connected with the upper shearing head to drive the upper shearing head to move on the Z-direction guide rail.

6. The automatic shearing device for the steel grating as claimed in claim 1, wherein the Z-direction transmission mechanism comprises a driving mechanism and a screw rod mounted on the mounting plate, the upper shearing head is mounted on the screw rod, and the driving mechanism is connected with the screw rod to drive the screw rod to rotate so as to drive the upper shearing head to move on the screw rod.

7. The automatic steel grating shearing device as claimed in claim 1, wherein the slot is an "L" slot, wherein the fixed blade is installed in the short-side slot of the "L" slot, and the movable blade is installed in the long-side slot of the "L" slot.

8. An automatic shearing device for steel grating as claimed in any one of claims 1 to 7, wherein said shearing mechanism is movably mounted on an X-directional guide rail driven by an X-directional transmission mechanism, and further comprising a sensor for detecting the shearing position, and an electrical controller electrically connected to the sensor for receiving signals from said sensor and controlling the movement of the X-directional transmission mechanism and the Z-directional transmission mechanism.

9. An automated steel grating shearing device as claimed in claim 8, wherein there are at least two shearing mechanisms.

10. The automatic shearing device for steel grating as claimed in claim 8, wherein the X-direction transmission mechanism comprises a transmission screw rod and a power device, the power device is connected with the transmission screw rod, and the transmission screw rod is connected with the mounting plate to drive the mounting plate to move on the X-direction guide rail.

11. An automatic shearing device for steel grating as claimed in claim 10, wherein said power device is one of a cylinder and a motor.

12. The automatic steel grating shearing device as claimed in claim 8, further comprising a straightening mechanism, wherein the straightening mechanism comprises a straightening rod with a slope angle and a straightening rod cylinder, the straightening rod cylinder is connected with the straightening rod, and the slope angle of the straightening rod is used for wedging the side surface of the sheared workpiece.

13. The automated steel grating shearing device of claim 12, wherein the leveling rod cylinder is mounted below the mounting plate.