Disclosure of Invention
The invention aims to provide an automatic overturning method of a strip steel overturning machine, which aims to solve the technical problems that in the prior art, operators are required to control the overturning of the overturning machine, the operation flow is complex and the automation degree is low.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
an automatic turning device of a strip steel turning machine, comprising:
A body;
the overturning body is rotatably arranged on the machine body, an overturning groove is formed in the overturning body, the inner wall of the overturning groove is right-angled, and a placement position is formed in the horizontal inner wall of the overturning groove;
The detection assembly is arranged on the machine body and/or the overturning body and positioned on the flat side and the upright side of the overturning groove so as to detect the in-out state of the strip steel and the pallet fork in the overturning groove and feed back signals;
The driving mechanism is arranged inside the machine body, is connected with the overturning body and automatically drives the overturning body to rotate to an overturning position according to a feedback signal so as to overturn strip steel or to rotate to an initial position so as to reset.
As a preferable scheme of the invention, a horizontally-movable placing table is arranged on the flat side of the turnover groove, a limiting block is arranged on the upright side of the turnover groove, and two sides of the limiting block are recessed towards the center to form an anti-rolling bracket for supporting upright strip steel; .
As a preferable scheme of the invention, the placing table comprises the translation assembly arranged on the overturning groove, a support table frame is arranged on the translation assembly, and a centering adjustment assembly is arranged on the support table frame.
The centering adjustment assembly is used for centering the strip steel placed on the support rack so that the translation assembly accurately moves a part of the strip steel into the anti-rolling bracket
As a preferable scheme of the invention, the translation assembly comprises a plurality of translation guide rails arranged in the turnover groove, each translation guide rail is provided with a sliding seat, and the support rack is fixed on the sliding seats;
The centering adjustment assembly comprises three adjustment guide rails arranged in the support rack, each adjustment guide rail is provided with an adjustment sliding block, and the three adjustment guide rails are arranged around the axis of the support rack;
The upper ends of the three adjusting rods are folded and extend to the upper part of the supporting rack, so that after the strip steel is placed, the strip steel can slide outwards along with the adjusting slide blocks and uniformly pull the central inner wall of the strip steel to enable the strip steel to be centered and aligned.
As a preferable scheme of the invention, a roller sleeve is rotatably sleeved on each adjusting rod, and a rubber sleeve is arranged on the outer wall of the roller sleeve and used for contacting the central inner wall of the strip steel;
the surface of the supporting rack is provided with a plurality of rolling grooves, each rolling groove is internally provided with a ball in a rotating mode, and the balls are used for supporting strip steel and isolating the strip steel from the surface of the supporting rack.
As a preferable scheme of the invention, a group of limit guide rails are symmetrically arranged on the vertical surface of the turnover slot, the limit guide rails are erected on two sides of the limit block, limit sliding seats are arranged on the limit guide rails, and the two limit sliding seats are kept at the same height during adjustment;
Two all rotate on the spacing slide and be provided with the fixture, two the fixture can inwards rotate the adjustment and with place the platform and form the spacing to belted steel, two the inboard of spacing slide is provided with laser sensor and laser sensor with the lower surface of fixture is in same height.
As a preferable scheme of the invention, the detection assembly comprises a proximity sensor and two sensing gratings, wherein the proximity sensor is arranged on the flat side of the turnover slot, and the two sensing gratings are respectively arranged on the flat side edge and the vertical side end of the turnover slot;
The proximity sensor is used for detecting the strip steel placing and taking state of the placing position and feeding back corresponding detection signals to the controller arranged in the machine body, and the two sensing gratings are used for detecting the approaching and leaving states of the fork and feeding back corresponding detection signals to the controller arranged in the machine body.
As a preferable scheme of the invention, a support is arranged at the bottom of the machine body, the machine body 1 is rotatably arranged on the support, and a driver is arranged at the bottom of the support and is connected with the machine body to drive the machine body and the turnover body to synchronously work;
the driver synchronously drives the machine body to rotate when the turnover body turns over the strip steel, or synchronously drives the machine body to rotate when the turnover body resets.
As a preferable scheme of the invention, the overturning body is columnar, the outer side wall of the overturning body is provided with a rack, the rack is arranged in an arc shape along the outer wall of the overturning body, and the radian of the rack is larger than 90 degrees;
The driving mechanism comprises a gear motor and a driving gear which are arranged in the machine body, and the driving gear is matched with the rack to drive the turnover body to rotate along the horizontal shaft of the turnover body.
In order to solve the technical problems, the invention further provides the following technical scheme:
The overturning method adopting the automatic strip steel overturning machine comprises the following steps:
step 100, flatly placing the strip steel on the flatly placed side of the overturning groove of the overturning machine by utilizing a fork, and after the overturning machine detects that the strip steel and the flatcar are separated from the overturning groove, automatically rotating the overturning machine towards the upper side of the strip steel at a preset rotating speed and gradually lifting the strip steel, and simultaneously horizontally rotating the overturning machine by 90 degrees;
and 200, stopping rotating after the turning machine detects that the turning machine rotates to the turning position so as to keep the strip steel in an upright posture in the turning groove, and taking out the strip steel from the turning groove of the turning machine by using a fork.
And 300, after the turning machine detects that the strip steel and the platform are separated from the turning groove, automatically and reversely rotating and resetting at a preset rotating speed, and simultaneously, horizontally turning the turning machine by 90 degrees and stopping rotating after rotating to the original position.
Compared with the prior art, the invention has the following beneficial effects:
According to the invention, the turnover body, the detection assembly and the driving mechanism are arranged, so that when the strip steel is placed or forked from the turnover body, the detection assembly can detect the states of the strip steel and the pallet fork and feed back the state information, and the driving mechanism can automatically drive the turnover body to turn or reset according to the feedback signal, thereby improving the automation degree of strip steel turnover, simplifying the work flow of operators and improving the work efficiency.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, the invention provides a method for automatically turning a strip steel turning machine, which comprises the following steps:
A machine body 1;
the overturning body 2 is rotatably arranged on the machine body 1, an overturning groove position 21 is arranged on the overturning body 2, the inner wall of the overturning groove position 21 is at a right angle, and the horizontal inner wall of the overturning groove position 21 forms a placement position;
the detection assembly 3 is arranged on the machine body 1 and/or the turnover body 2 and positioned on the flat side and the upright side of the turnover slot 21 so as to detect the in-out state of the strip steel and the fork in the turnover slot 21 and feed back signals;
The driving mechanism 4 is arranged in the machine body 1, the driving mechanism 4 is connected with the overturning body 2, and the overturning body 2 is automatically driven to rotate to an overturning position according to a feedback signal so as to overturn strip steel, or to rotate to an initial position so as to reset.
In this embodiment, the strip steel is mainly placed in the turnover slot 21 on the turnover body 2 through the fork, the strip steel is detected to be placed in the turnover slot 21 through the detection component 3 and the fork leaves, the control body 1 drives the turnover body 2 to turn over, the strip steel is forked out through the fork after the turnover is completed, the strip steel is detected to be forked out through the detection component 3 and the fork leaves, and the control body 1 drives the turnover body 2 to reset.
Compared with the existing mode of overturning the strip steel through the manual control overturning machine, the strip steel overturning machine has the advantages that the detection component 3 can detect the in-out state of the strip steel and the fork and feed back signals, the controller controls the overturning and resetting of the overturning body 2 driven by the machine body 1, the automation degree of strip steel overturning is improved, the work flow of operators is simplified, and the working efficiency is improved.
When the strip steel is placed on the flat side of the turnover groove 21 by the fork, the strip steel cannot be placed in the center of the flat side and is tightly attached to the upright side, so that the risk of rollover and sliding down exists in the turnover process of the strip steel, and when the strip steel is turned over, the strip steel is in an upright state, and at the moment, the risk of rolling to two sides exists, so that the following preferred embodiments are proposed.
As shown in fig. 1 to 3, a placing table 22 capable of translating is arranged on the flat side of the turnover groove position 21, a limiting block 23 is arranged on the upright side of the turnover groove position 21, and two sides of the limiting block 23 are recessed towards the center to form an anti-rolling bracket 231 for supporting upright strip steel;
wherein the placement stage 22 is used to drive the strip placed thereon to translate centrally into the roll bracket 231 and against the inner wall of the roll bracket 231.
The placing table 22 comprises a translation assembly 24 arranged on the turnover slot 21, a support table frame 25 is arranged on the translation assembly 24, and a centering adjustment assembly 26 is arranged on the support table frame 25;
the centering assembly 26 is used to center the strip placed on the support stand 25 such that the translating assembly 24 accurately moves a portion of the strip into the roll cage 231.
The translation assembly 24 comprises a plurality of translation guide rails 241 arranged in the turnover slot 21, each translation guide rail is provided with a sliding seat 242, and the support rack 25 is fixed on the sliding seats 242;
the centering adjustment assembly 26 comprises three adjustment guide rails 261 arranged in the support bench 25, each adjustment guide rail 261 is provided with an adjustment slide block 262, and the three adjustment guide rails 261 are arranged around the axis of the support bench 25;
The adjusting slide blocks 262 are vertically provided with adjusting rods 263, and the upper ends of the three adjusting rods 263 are folded and extend to the upper part of the supporting bench 25, so that after the strip steel is placed, the strip steel slides outwards along with the adjusting slide blocks 262 and uniformly pulls the central inner wall of the strip steel to center the strip steel for centering.
Specifically, the fork places the strip steel on the supporting rack 25, the upper ends of the three adjusting rods 263 are gathered and inserted in the center hole of the strip steel, after the fork leaves, the three adjusting sliding blocks 262 slide outwards to drive the adjusting rods 263 to uniformly pull the center inner wall of the strip steel to enable the center of the strip steel to be aligned, and then the strip steel is translationally adjusted through the sliding seat 242 to be closely attached to the anti-rolling bracket 231, so that the strip steel is prevented from sliding in the overturning process, and the strip steel can be fixed on the limiting block 23 after being overturned to be vertical.
When the adjusting rod 263 is adjusted outward, the inner wall of the strip may be scratched, and in the process of adjusting the strip to the center position, the strip is required to move on the support stand 25, and because the strip weight is large, the situation that the strip is difficult to adjust on the support stand 25 due to the large friction force and the strip is scratched may occur. Accordingly, the following preferred embodiments are provided.
As shown in fig. 6 and 7, a rolling sleeve 264 is rotatably sleeved on each adjusting rod 263, and a rubber sleeve 265 is arranged on the outer wall of the rolling sleeve 264, and the rubber sleeve 265 is used for contacting the central inner wall of the strip steel;
A plurality of rolling grooves 251 are provided on the surface of the support stand 25, and a ball 252 is rotatably provided in each rolling groove 251, and the plurality of balls 252 are used for supporting the strip steel and isolating the strip steel from the surface of the support stand 25.
Specifically, when the adjusting rod 263 is adjusted outwards, the rolling sleeve 264 can roll in a self-adaptive manner, and the inner wall of the strip steel can be protected from being scratched by the contact of the rubber sleeve 265 with the inner wall of the strip steel.
The balls 252 are arranged on the surface of the supporting rack 25, so that the strip steel can be assisted to be adjusted to the center, and the balls 252 can lift the strip steel from the surface of the supporting rack 25 to prevent the strip steel from directly contacting the supporting rack 25 so as to prevent the strip steel from being scratched.
In order to prevent the strip from tilting or even collapsing due to inertia when the overturning is completed during the overturning of the strip, the following preferred embodiments are presented.
As shown in fig. 2 and 8, a group of limit guide rails 27 are symmetrically arranged on the vertical surface of the turnover slot 21, the limit guide rails 27 are erected on two sides of the limit block 23, limit sliding seats 271 are arranged on the limit guide rails 27, and the two limit sliding seats 271 are kept at the same height during adjustment;
Two limiting sliding seats 271 are respectively provided with a clamp 272 in a rotating mode, the two clamps 272 can be adjusted in an inward rotating mode and form limiting of strip steel with the placing table 22, laser sensors 273 are arranged on the inner sides of the two limiting sliding seats 271, and the laser sensors 273 are located at the same height with the lower surfaces of the clamps 272.
Specifically, after the adjustment of the strip steel is completed, the limit slide seat 271 is adjusted, and the adjustment is stopped when the laser sensor 273 detects the strip steel, at this time, the lower surface of the clamp 272 is flush with the upper surface of the strip steel, and the two clamps 272 rotate inwards to form limit on the strip steel with the support bench 25.
When the strip steel is turned over, the rotation speed is reduced to prevent the strip steel from tilting down due to inertia after the strip steel is stopped, and after the clamp 272 is arranged to limit the strip steel, the rotation speed can be properly increased to improve the efficiency, but due to the fact that the weight of the strip steel is large, the rotation speed is limited by considering the structural strength of the clamp 272.
After the strip steel is detected to be placed on the supporting rack 25, the strip steel can be adjusted and turned only by detecting that the fork is separated, and after the turning is completed, the strip steel and the fork are detected to be separated for resetting. Therefore, in order to realize detection of the states of the strip steel and the fork. The following preferred embodiments are presented.
As shown in fig. 1, the detection assembly 3 includes a proximity sensor 31 and two sensing gratings 32, the proximity sensor 31 is disposed on the flat side of the turnover slot 21, and the two sensing gratings 32 are disposed on the flat side and the vertical side of the turnover slot 21;
the proximity sensor 31 is used for detecting the strip steel placing and taking state of the placing position and feeding back corresponding detection signals to the controller arranged in the machine body 1, and the sensing grating 32 is used for detecting the approaching and leaving states of the fork and feeding back corresponding detection signals to the controller arranged in the machine body 1.
Specifically, the proximity sensor 31 can detect the in-out state of the strip steel, the strip steel is placed on the placing table, the inductive grating 32 at the side edge of the horizontal side of the turnover slot 21 detects the separation of the fork and feeds back to the controller arranged in the machine body 1, the strip steel starts to be regulated and then turns over, the fork forks the strip steel after the turning over is completed, and when the proximity sensor 31 detects the separation of the strip steel and the inductive grating 32 at the end part of the vertical side of the turnover slot 21 detects the separation of the fork, the device resets.
The strip needs to be turned over from a flat condition to an upright condition, whereby the following preferred embodiments are presented.
As shown in fig. 1, a support 5 is arranged at the bottom of the machine body 1, the machine body 1 is rotatably installed on the support 5, a driver 51 is arranged at the bottom of the support 5, and the driver 51 is connected with the machine body 1 to drive the machine body 1 and the turnover body 2 to synchronously work;
The driver 51 synchronously drives the machine body 1 to rotate when the turnover body 2 turns over the strip steel, or synchronously drives the machine body 1 to rotate when the turnover body 2 resets.
The overturning body 2 is columnar, the rack 28 is arranged on the outer side wall of the overturning body 2, the rack 28 is arranged in an arc shape along the outer wall of the overturning body 2, and the radian of the rack 28 is greater than 90 degrees;
The driving mechanism 4 includes a gear motor and a driving gear 41 provided in the body 1, and the driving gear 41 is engaged with the rack 28 to drive the turnover body 2 to rotate about its horizontal axis.
Specifically, the driver 51 drives the overturning body 2 to overturn the strip steel by driving the machine body 4, the machine body 1 is connected with the rack 28 through the driving gear 41, and the radian of the rack 41 is larger than 90 degrees to meet the overturning requirement.
Wherein the turning body 2 can be stopped after turning by 90 deg. by setting the number of rotations of the driver 51.
Based on the above, the following provides an automatic strip steel overturning method, which comprises the following steps:
step 100, flatly placing the strip steel on the flatly placed side of the overturning groove of the overturning machine by utilizing a fork, and after the overturning machine detects that the strip steel and the flatcar are separated from the overturning groove, automatically rotating the overturning machine towards the upper side of the strip steel at a preset rotating speed and gradually lifting the strip steel, and simultaneously horizontally rotating the overturning machine by 90 degrees;
and 200, stopping rotating after the turning machine detects that the turning machine rotates to the turning position so as to keep the strip steel in an upright posture in the turning groove, and taking out the strip steel from the turning groove of the turning machine by using a fork.
And 300, after the turning machine detects that the strip steel and the platform are separated from the turning groove, automatically and reversely rotating and resetting at a preset rotating speed, and simultaneously, horizontally turning the turning machine by 90 degrees and stopping rotating after rotating to the original position.
The automatic turning method of the present embodiment mainly uses the detecting assembly 3 to detect the entering and exiting conditions of the strip steel and the pallet fork, detects that the strip steel is placed on the placing table 22 through the proximity sensor 31, and after the inductive grating 32 on the side edge of the flat side of the turning slot 21 detects that the pallet fork leaves, the inner wall of the central hole of the strip steel is pulled to be centered and aligned by the three adjusting rods 263 to slide outwards, and then the translation assembly 24 drives the strip steel to translate and adjust to be attached to the inner wall of the anti-rolling bracket 231.
Then, the limit sliding seat 271 drives the clamp 272 to adjust downwards, when the laser sensor 273 detects the strip steel, the limit sliding seat 271 stops, and the two clamps 272 rotate inwards to adjust and support the rack 25 to limit the strip steel;
then, the machine body 1 is driven by the driver 51 to drive the overturning body 2 to overturn, and after the overturning body 2 drives the strip steel to overturn for 90 degrees to be vertical, the driver 51 stops;
Then, the fork forks the strip steel away, when the proximity sensor 31 detects the strip steel away, and the inductive grating 32 at the end of the upright side of the turnover slot 21 detects the fork away, the machine body 1 is driven to rotate reversely by the driver 51 to drive the turnover body 2 to reset, the three adjusting rods 263 slide inwards to gather and the translation assembly 24 to reset, meanwhile, the clamp 272 is adjusted to the end of the limit guide rail 27 along with the limit sliding seat 271, and the two clamps 272 are adjusted in an outward rotating mode.
The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this application will occur to those skilled in the art, and are intended to be within the spirit and scope of the application.