CN114178838A - Multi-locking-point locking method and device applied to multi-plane workpiece - Google Patents
Multi-locking-point locking method and device applied to multi-plane workpiece Download PDFInfo
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- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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Abstract
The invention belongs to the field of industrial assembly and discloses a multi-locking point locking method applied to a multi-plane workpiece, which comprises the steps of firstly, reconstructing an operation preparation plane into a locking point data plane in a two-dimensional mode, and obtaining operation coordinate data corresponding to a machining end of a thread locking device on the locking point data plane; and then, setting locking point position data based on the turning angle value of the multi-plane workpiece when the locking coordinate projection point of the locking point on the operation preparation plane and the plane where the locking point is located are horizontal, then moving the screw thread locking device, turning the multi-plane workpiece, setting the turning angle value as operation angle data, finally, judging the matching result of the operation coordinate data, the operation angle data and the locking point corresponding to the current locking point in sequence according to a preset sequence, and controlling the power-on state of the screw thread locking device. The invention also discloses a multi-locking-point locking device for implementing the method.
Description
Technical Field
The invention belongs to the field of industrial assembly, and particularly relates to a multi-locking-point locking method and equipment applied to a multi-plane workpiece.
Background
In the work piece assembling operation, the screw thread locking is often required to be carried out at different positions on different surfaces of the same work piece, the screw thread operation is required to be carried out according to a preset sequence, otherwise, the assembled work piece has uneven structural stress distribution, and the overall structural performance of the assembled work piece is affected.
Currently, a workpiece is fixed on a locking bracket on a working plane, and different positions on different surfaces are locked manually according to a predetermined sequence.
However, this method has a problem in that the manual operation inevitably causes the malfunction, that is, the locking operation is not performed in a predetermined order for an unexpected reason, which causes the overall structural performance of the assembled workpiece to be degraded due to the malfunction, thereby failing to achieve the predetermined overall structural performance.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a multi-locking-point locking method and equipment applied to a multi-plane workpiece, which can ensure that the multi-point locking of the multi-plane workpiece is carried out according to a preset sequence by matching, so that all assembled workpieces can ensure the preset overall structural performance.
In order to achieve the purpose, the invention provides the following technical scheme:
a multi-attachment-point attaching method applied to a multi-plane workpiece, for attaching a plurality of attachment points in a predetermined sequence, the multi-plane workpiece having an initial plane and at least one rotation plane, the initial plane being horizontally disposed and enabling the at least one rotation plane to be horizontally disposed, respectively, by being flipped in a predetermined direction, the initial plane and the at least one rotation plane having at least one attachment point, respectively, the method comprising the steps of:
step S1, arranging an electrically controlled thread locking device on the corresponding outer side of the multi-plane workpiece along the vertical direction, wherein the thread locking device is in a power-off state and the processing end is close to the multi-plane workpiece;
step S2: taking a horizontal plane where the machining end is located as an operation preparation plane, two-dimensionally reconstructing the operation preparation plane into a locking point data plane, and immediately corresponding the machining end in the locking point data plane into operation coordinate data;
step S3: acquiring a locking coordinate projection point of a locking point in an operation preparation plane and a turning angle value of the initial plane turning along a preset direction when the initial plane and at least one rotating plane are respectively horizontally arranged;
step S4: setting locking point position data based on the locking coordinate projection point and the turnover angle value, and taking a first locking point in a preset sequence as a current locking point;
step S5: moving the thread locking device, turning the multi-plane workpiece along a preset direction, and setting operation corner data corresponding to the turning corner value;
step S6; judging whether the operation corner data and the operation coordinate data are matched with the locking point position data corresponding to the current locking point, and entering the step S7; if not, the process proceeds to step S5;
step S7: controlling the thread locking device to be powered on, locking the current locking point, taking the next locking point as a new current locking point according to a preset sequence, and powering off the thread locking device;
step S8: and repeating the steps S5-S7 until the plurality of locking points are locked.
Preferably, in step S3, calibrating the projected point of the lock coordinate in the data plane of the lock point as sub-data of the lock coordinate; and setting lock attachment angle subdata related to the lock attachment coordinate data based on the turnover angle value.
Further, in step S4, the lock attachment point position data includes lock attachment coordinate sub-data and lock attachment angle sub-data.
Preferably, when the plane of the locking point is the initial plane, the turning angle is 0.
The multi-locking-point locking device for implementing the multi-locking-point locking method applied to the multi-plane workpiece is characterized by comprising the following steps: a base; the locking fixing support is arranged on the base, and the multi-plane workpiece is rotatably arranged on the locking fixing support; the locking unit comprises a supporting upright rod, a moving cantilever and a thread locking device; and the control module is used for controlling the power-on state of the thread locking device according to the operation corner data, the operation coordinate data and the instant position of the current locking point, wherein the supporting vertical rod is arranged on the base, one end of the moving cantilever is rotatably arranged on the supporting vertical rod, the thread locking device is vertically and fixedly arranged at the other end of the moving cantilever, and the moving cantilever is composed of two moving cantilever rods which are hinged with each other.
Preferably, the multi-plane workpiece is vertically and rotatably arranged on the locking fixed bracket through a workpiece rotary encoder, and the workpiece rotary encoder is used for transmitting the turning angle value in a data form.
Preferably, the thread locking device is horizontally and rotatably arranged on the supporting upright rod through a first operation rotary encoder, and the two sections of motion cantilever rods are horizontally hinged through a second operation rotary encoder.
Further, the thread locking device is elastically arranged along the vertical direction in a resettable manner.
Preferably, the thread locking device is used for locking by rotating the processing end, and comprises a corner sensor and a torque sensor, wherein the corner sensor is used for acquiring the rotating instant angle of the processing end, and the corner sensor is used for acquiring the rotating instant torque of the processing end.
Compared with the prior art, the invention has the beneficial effects that:
1. because the invention is applied to the multi-locking-point locking method of the multi-plane workpiece: firstly, reconstructing an operation preparation plane into a locking point data plane in a two-dimensional mode, and obtaining operation coordinate data corresponding to a machining end of the thread locking device on the locking point data plane; then, based on the lock coordinate projection point of the lock point on the operation preparation plane and the plane level of the lock point, the turning angle value of the multi-plane workpiece sets the lock point position data, then the screw thread lock device is moved, the multi-plane workpiece is turned, the turning angle value is set as the operation angle data, finally, the operation coordinate data, the operation angle data and the matching result of the lock point corresponding to the current lock point are judged in sequence according to the preset sequence, and the power-on state of the screw thread lock device is controlled, so that the screw thread lock device can only lock the lock point in the power-on state, and can not lock the lock point when the power is lost.
2. The invention correspondingly marks the projection point of the lock attachment coordinate in the data plane of the lock attachment point as the subdata of the lock attachment coordinate; the lock attachment angle subdata related to the lock attachment coordinate data is set based on the turnover angle value, so that the two-dimensional positioning of the coordinate of each lock attachment point and the plane where the lock attachment point is located is realized by calibrating each lock attachment point in the lock attachment point data plane and calibrating the related turnover angle value in the lock attachment point data plane, and each lock attachment point can be accurately positioned when the lock attachment operation is performed along the preset sequence.
3. Because the multi-locking-point locking device comprises the locking fixing support, the multi-plane workpiece can be rotatably arranged on the locking fixing support; the locking unit comprises a supporting upright rod, a moving cantilever and a thread locking device; and the control module is used for controlling the power-on state of the thread locking device according to the operation corner data, the operation coordinate data and the instant position of the current locking point, so that the multi-locking-point locking equipment can better implement the multi-locking-point locking method applied to the multi-plane workpiece.
4. Because the multi-locking-point locking device is horizontally and rotatably arranged on the supporting vertical rod through the first operation rotary encoder, and the two sections of moving cantilever rods are horizontally hinged through the second operation rotary encoder, the displacement of the thread locking device in the operation preparation plane can be accurately obtained through the first operation rotary encoder and the second operation rotary encoder which are combined with the length of the moving cantilever rods.
5. The thread locking device comprises a corner sensor and a torque sensor, wherein the corner sensor is used for acquiring the rotating instant angle of the processing end, the corner sensor is used for acquiring the rotating instant torque of the processing end, the corner reflects the number of rotating turns of the processing end during locking operation, and the torque reflects the locking moment of the processing end during locking operation.
Drawings
FIG. 1 is a schematic illustration of a multi-attachment-point locking method applied to a multi-plane workpiece according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a multiple attachment point attachment apparatus according to an embodiment of the present invention;
fig. 3 is a schematic front view of a multiple attachment point attaching apparatus according to an embodiment of the present invention.
In the figure: s100, a multi-locking-point locking method applied to a multi-plane workpiece, A, the multi-plane workpiece, 100, multi-locking-point locking equipment, 10, a locking fixing support, 10a, a workpiece rotary encoder, 10b, a rotary rocking handle, 20, a locking unit, 21, a supporting upright rod, 21a, a return spring, 21b, a connecting sleeve, 211, a guide supporting rod, 212, a rotary supporting rod, 22, a moving cantilever, 221, a moving cantilever rod, 221a, a first operation rotary encoder, 221b, a second operation rotary encoder, 23, a thread locking device, 231 and a machining end.
Detailed Description
In order to make the technical means, the creation features, the achievement objects and the effects of the present invention easy to understand, the following embodiments are specifically described in the present invention with reference to the accompanying drawings, and the description of the embodiments is for assisting understanding of the present invention, but not for limiting the present invention.
As shown in fig. 1, the multi-locking-point locking method S100 applied to a multi-plane workpiece in this embodiment is used for locking multiple locking points in a predetermined sequence, the multi-plane workpiece has an initial plane and at least one rotation plane, the initial plane is horizontally arranged, and the at least one rotation plane can be horizontally arranged by flipping along a predetermined direction, the initial plane and the at least one rotation plane respectively have at least one locking point, in this embodiment, the multi-plane workpiece is a rectangular body, and the number of the rotation planes is one.
The multi-locking-point locking method S100 applied to the multi-plane workpiece comprises the following steps:
and step S1, arranging an electrically controlled thread locking device on the corresponding outer side of the multi-plane workpiece along the vertical direction, wherein the thread locking device is in a power-off state and the processing end is close to the multi-plane workpiece.
In particular, the screw locking device is an electric screwdriver.
Step S2: and taking the horizontal plane where the machining end is located as an operation preparation plane, two-dimensionally reconstructing the operation preparation plane into a locking point data plane, and immediately corresponding the machining end in the locking point data plane into operation coordinate data.
Specifically, when the processing end moves, the operation coordinate data also changes correspondingly.
Step S3: and acquiring a lock attachment coordinate projection point of the lock attachment point in the operation preparation plane and a turning angle value of the initial plane turning in a preset direction when the initial plane and at least one rotation plane are respectively horizontally arranged.
Specifically, the lock attachment coordinate projection point is correspondingly calibrated in a lock attachment point data plane as lock attachment coordinate subdata; and setting lock attachment angle subdata related to the lock attachment coordinate data based on the turnover angle value.
In this embodiment, the initial plane and the rotation plane have two locking points, respectively, and the flip angle value is 180 °.
Step S4: and setting locking point position data based on the locking coordinate projection point and the overturning angle value, and taking the first locking point in a preset sequence as the current locking point.
Specifically, the data of the position of the lock attachment point includes sub-data of the lock attachment coordinates and sub-data of the lock attachment angle.
Step S5: moving the thread locking device, turning the multi-plane workpiece along a preset direction, and setting operation corner data corresponding to the turning corner value;
specifically, when the plane where the locking point is located is the initial plane, the turning corner is 0, that is, the turning corner is 0, the multi-plane workpiece is not turned, and the locking point located on the initial plane is directly locked.
Step S6; judging whether the operation corner data and the operation coordinate data are matched with the locking point position data corresponding to the current locking point, and entering the step S7; if not, the process proceeds to step S5;
specifically, if the values are matched, that is, the turning angle value of the multi-plane workpiece turned from the initial plane in the predetermined direction is equal to the turning angle value of the plane where the current locking point is located relative to the initial plane, and the projection of the machining end of the thread locking device and the current locking point in the operation preparation plane are overlapped, that is, at this time, the thread locking device corresponds to the current locking point which is correct according to the predetermined sequence.
Step S7: and controlling the power on of the thread locking device, locking the current locking point, taking the next locking point as a new current locking point according to a preset sequence, and powering off the thread locking device.
Specifically, under the condition of the precursor with correct preset sequence, the thread locking device can be powered on so as to carry out locking operation, otherwise, the thread locking device still keeps a point losing state and cannot carry out locking operation; therefore, the locking in a non-predetermined order is prevented.
Step S8: and repeating the steps S5-S7 until the plurality of locking points are locked.
Specifically, a plurality of locking points are locked in a correct predetermined order.
As shown in fig. 2 and 3, the multi-attachment-point attaching apparatus 100 for implementing the above-described multi-attachment-point attaching method applied to a multi-plane workpiece includes a base (not shown in the drawings), an attaching fixing bracket 10, an attaching unit 20, and a control module (not shown in the drawings).
Specifically, the base is a support platform for carrying other components of the multi-point locking device 100.
The locking fixing support 10 is arranged on the base, the multi-plane workpiece A is arranged on the locking fixing support 20, specifically, the multi-plane workpiece A is vertically and rotatably arranged on the locking fixing support 10 through a workpiece rotary encoder 10a, the workpiece rotary encoder 10a is used for transmitting the turning angle value of the multi-plane workpiece A in a data form, in this embodiment, the multi-plane workpiece a is composed of a rectangular jig and a super capacitor module disposed inside the jig, the locking operation is to lock the jig and the super capacitor module therein, two opposite side surfaces of the jig are provided with threaded holes for threaded connection with the super capacitor module, the locking and fixing bracket 10 is further provided with a rotary rocking handle 10b rotationally coupled with the multi-plane workpiece a and the rotary encoder 10a, the rotating rocking handle 10b can be rotated by external force to drive the workpiece A and the rotary encoder 10a to rotate synchronously.
The locking unit 20 comprises a support upright 21, a moving cantilever 22 and a threaded locking device 23.
The supporting vertical rod 21 is arranged on the base, one end of the moving cantilever 22 is horizontally and rotatably arranged on the supporting vertical rod 21 through a first operation rotary encoder 221a, the thread locking device 23 is vertically and fixedly arranged at the other end of the moving cantilever 22, the moving cantilever 22 is composed of two moving cantilever rods 221 which are horizontally hinged with each other through a second operation rotary encoder 221b, namely, the thread locking device 23 can be horizontally and rotatably arranged relative to the supporting vertical rod 21 through applying external force, meanwhile, the moving cantilever 22 is elastically arranged on the supporting vertical rod 21 along the vertical direction in a resettable manner, namely, the thread locking device 23 can be moved relative to the supporting vertical rod 21 along the vertical direction through applying external force, and the thread locking device 23 can be restored to the initial position by removing the external force.
In this embodiment, the supporting vertical rod 31 includes a guide supporting rod 211 and a rotary supporting rod 212 both vertically and fixedly disposed, the bottom end of the rotary supporting rod 212 is rotatably installed on the guide supporting rod 211, the end of the moving cantilever 22 is sleeved on the guide supporting rod 211 and the rotary supporting rod 212 through a connecting sleeve 21b, the end of the moving cantilever 22 is movably sleeved on the guide supporting rod 211 along the vertical direction through the connecting sleeve 21b, the end of the moving cantilever 22 is fixedly sleeved on the rotary supporting rod 212 through the connecting sleeve 21b, the upper end of the rotary supporting rod 212 is fixedly connected with the input end of the first operation rotary encoder 221a, and the first operation rotary encoder 221a is disposed on the guide supporting rod 211, when the moving cantilever 22 rotates relative to the guide supporting rod, the moving cantilever 22 drives the rotary supporting rod 212 to rotate around the guide supporting rod 211 through the connecting sleeve 21b, so that torque is input to the first operating rotary encoder 221 a.
In the present exemplary embodiment, a return spring 21a is also arranged between the connecting sleeve 21b and the guide strut 211, so that the movement arm 22 is arranged displaceably relative to the guide strut 211.
The thread locking device 23 is used for locking by rotating the processing end 231, the thread locking device 23 includes a rotation angle sensor (not shown in the drawings) and a torque sensor (not shown in the drawings), the rotation angle sensor is used for acquiring an instant angle of rotation of the processing end 231, the rotation angle sensor is used for acquiring an instant torque of rotation of the processing end 231, specifically, the thread locking device 23 is an electric screwdriver, the processing end 231 is rotated by electrifying to realize thread locking, and the thread locking device 23 is in signal connection with the control module.
The control module is used for controlling the power-on state of the thread locking device according to the operation corner data, the operation coordinate data and the instant position of the current locking point, in particular, the control module is used for realizing the two-dimensional reconstruction, the position point correspondence and the calibration in the multi-locking point locking method S100 applied to the multi-plane workpiece, and controlling the power-on state of the thread locking device 33 according to the relevant data, meanwhile, the control module also visually presents the power-on state to the operator according to the instant angle of rotation of the processing end 231 and the instant torque of rotation of the processing end 231 acquired by the corner sensor, so that the operator can obtain the best locking performance when the instant angle and the instant torque are respectively equal to the preset values, and can timely obtain the inspiration of the reason of the structural failure when the instant angle and the instant torque are not equal to the preset values simultaneously, for example, when the instant rotation angle of the machining end 231 produces a number of lock turns equal to a predetermined value and the instant rotation torque of the machining end 231 is not equal to the predetermined value at the same time, it is usually suggested that the screw is broken or the thread is slipped, and the instant rotation torque of the machining end 231 is equal to the predetermined value and the instant rotation angle of the machining end 231 produces a number of lock turns not equal to the predetermined value at the same time, it is typically suggested that there are too many impurities in the threaded hole.
The above-described embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and changes can be made by those skilled in the art without inventive work within the scope of the appended claims.
Claims (9)
1. A multi-attachment-point attaching method applied to a multi-plane workpiece, for attaching the multi-attachment-points in a predetermined sequence, the multi-plane workpiece having an initial plane and at least one rotation plane, the initial plane being horizontally arranged and being capable of being horizontally arranged by being flipped in a predetermined direction so that the at least one rotation plane is respectively horizontally arranged, the initial plane and the at least one rotation plane being respectively provided with at least one of the attachment points, the method comprising the steps of:
step S1, arranging an electrically controlled thread locking device on the corresponding outer side of the multi-plane workpiece along the vertical direction, wherein the thread locking device is in a power-off state and the processing end is close to the multi-plane workpiece;
step S2: taking the horizontal plane where the machining end is located as an operation preparation plane, two-dimensionally reconstructing the operation preparation plane into a locking point data plane, and immediately corresponding the machining end in the locking point data plane to operation coordinate data;
step S3: acquiring a lock coordinate projection point of the lock point in the operation preparation plane and a turning angle value of the initial plane turning along a preset direction when the initial plane and at least one rotation plane are respectively horizontally arranged;
step S4: setting locking point position data based on the locking coordinate projection point and the turnover angle value, and taking the first locking point in the preset sequence as a current locking point;
step S5: moving the thread locking device, turning the multi-plane workpiece along the preset direction, and setting operation corner data corresponding to the turning corner value;
step S6; judging whether the operation corner data, the operation coordinate data and the locking point position data corresponding to the current locking point are matched, and entering the step S7; if not, the process proceeds to step S5;
step S7: controlling the power on of the thread locking device, after the current locking point is locked, taking the next locking point as a new current locking point according to the preset sequence, and powering off the thread locking device;
step S8: repeating the steps S5-S7 until a plurality of the locking points are locked.
2. The method of claim 1, wherein the method further comprises:
in step S3, calibrating the lock coordinate projection point in the lock point data plane as lock coordinate subdata; and setting lock attachment angle subdata related to the lock attachment coordinate data based on the turnover angle value.
3. The method of claim 2, wherein the method further comprises:
in step S4, the lock attachment point position data includes the sub-data of the lock attachment coordinates and the sub-data of the lock attachment angle.
4. The method of claim 1, wherein the method further comprises:
when the plane where the locking points are located is the initial plane, the turning corner is 0.
5. A multi-attachment-point attaching apparatus for carrying out the multi-attachment-point attaching method to a multi-planar workpiece according to any one of claims 1 to 4, comprising:
a base;
the locking fixing support is arranged on the base, and the multi-plane workpiece is rotatably arranged on the locking fixing support;
the locking unit comprises a supporting upright rod, a moving cantilever and the thread locking device; and
the control module is used for controlling the power-on state of the thread locking device according to the operation corner data, the operation coordinate data and the instant position of the current locking point,
wherein the supporting upright stanchion is arranged on the base,
one end of the moving cantilever is rotatably arranged on the supporting upright rod, the thread locking device is vertically and fixedly arranged on the other end of the moving cantilever,
the moving cantilever consists of two moving cantilever rods hinged with each other.
6. The multiple attachment point attaching device according to claim 5, wherein:
the multi-plane workpiece is vertically and rotatably arranged on the locking fixed support through a workpiece rotary encoder, and the workpiece rotary encoder is used for transmitting the turning angle value in a data form.
7. The multiple attachment point attaching device according to claim 5, wherein:
the thread locking device is horizontally and rotatably arranged on the supporting vertical rod through a first operation rotary encoder, and the two sections of motion cantilever rods are horizontally hinged through a second operation rotary encoder.
8. The multiple attachment point attaching device according to claim 7, wherein:
wherein, but screw thread lock attaches device along vertical direction resetting elasticity setting.
9. The multiple attachment point attaching device according to claim 5, wherein:
the thread locking device is used for locking the machining end through rotation, the thread locking device comprises a corner sensor and a torque sensor, the corner sensor is used for collecting the rotating instant angle of the machining end, and the corner sensor is used for collecting the rotating instant torque of the machining end.
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