CN109900497B - Door quantitative force application device applied to automobile manufacturing - Google Patents
Door quantitative force application device applied to automobile manufacturing Download PDFInfo
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- CN109900497B CN109900497B CN201910210094.8A CN201910210094A CN109900497B CN 109900497 B CN109900497 B CN 109900497B CN 201910210094 A CN201910210094 A CN 201910210094A CN 109900497 B CN109900497 B CN 109900497B
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Abstract
The invention relates to the technical field of automobile manufacturing equipment, in particular to a door quantitative force application device applied to automobile manufacturing and a using method thereof, and the device comprises a main frame, an auxiliary frame, a constant force propeller, a controller, an air pump and a sucker, wherein the auxiliary frame can be movably arranged on the front side of the main frame through a power dodger, the front side of the auxiliary frame is provided with a hand-operated lifting mechanism, one end of the constant force propeller is in transmission connection with the hand-operated lifting mechanism, the other end of the constant force propeller is provided with a walking bracket, the sucker is connected with an output rod of the constant force propeller through a universal joint, the constant force propeller comprises a hydraulic rod and a variable frequency oil pump, the air pump and the variable frequency oil pump are both arranged outside the main frame, a separation sensor capable of being rotationally adjusted is also arranged above the hydraulic rod, the separation sensor can be synchronously and vertically moved with the hydraulic rod through the, the invention can greatly improve the accuracy of the detection of the closeness of the vehicle door.
Description
Technical Field
The invention relates to the technical field of automobile manufacturing equipment, in particular to a door quantitative force application device applied to automobile manufacturing and a using method thereof.
Background
Currently, in the field of automobile manufacturing, the comfort of the door is an important factor in evaluating automobiles. And the minimum force required to close the entire door is one criterion used to assess the quality of the vehicle. In the quality control of automobiles, the difficulty of doors is a quite prominent problem. In many economical vehicles, most doors do not open and close well and easily. When the owner closes the door, the owner needs to push the door with force, which is hard to work and does not have the sense of safety. In recent years, door closing speed meters are adopted by various large domestic vehicle factories to quantitatively measure and analyze the closing of doors in a sample vehicle trial production stage, and the method has the defects of overlarge fluctuation of detection results and low accuracy, so that the method is used for searching according to the problems: chinese patent No.: CN201010594532.4 is applied to door ration force application device in automobile manufacturing process, includes the frame, universal wheel, adjustment subassembly, application of force subassembly, the universal wheel has been arranged to the frame lower extreme, adjustment subassembly and application of force subassembly have been arranged in the installation of frame upper end. The force application assembly is mounted on the adjustment assembly. The technical scheme provided by the invention also has the following technical and beneficial effects: the labor intensity of the tester is reduced, and the working efficiency is improved. The influence of human factors is thoroughly eliminated; because the applied force is constant and controllable, a favorable basis is provided for subsequent research and development and scheme design; the service life of the expensive velocimeter is greatly prolonged; convenient and flexible use, simple and easy manufacture, and greatly reduces the use cost of the special tester. The disadvantages of this solution are: the pushing speed cannot be adjusted, so that the door closing speed of the vehicle in actual use cannot be simulated; meanwhile, the rubber block is adopted to instantly contact the car door to form collision, so that the collision force formed each time can generate deviation according to the actual contact angle, and the possibility of inaccurate detection also exists.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a door quantitative force application device applied to automobile manufacturing and a using method thereof.
The invention discloses a door quantitative force application device applied to automobile manufacturing, which comprises a main frame, an auxiliary frame, a constant force propeller, a controller, an air pump and a sucker, wherein the auxiliary frame is arranged on the front side of the main frame and can be movably arranged towards or away from the main frame through a power dodger, a hand-operated lifting mechanism is arranged on the front side of the auxiliary frame, one end of the constant force propeller is in transmission connection with the hand-operated lifting mechanism, the other end of the constant force propeller is provided with a walking bracket which is in a passive telescopic structure, the sucker is connected with an output rod of the constant force propeller through a universal joint, the constant force propeller comprises a hydraulic rod and a variable frequency oil pump, the air pump and the variable frequency oil pump are both arranged outside the main frame, the variable frequency oil pump is communicated with the liquid inlet end of the hydraulic rod through a hose, the air pump is communicated with the sucker through an air pipe, and a separation sensor, should break away from sensor and hydraulic stem and rely on the synchronous vertical activity of hand formula elevating system, break away from sensor and controller electric connection, frequency conversion oil pump and air pump all with controller electric connection.
Further, hand formula elevating system includes trapezoidal lead screw, gear train and carousel, the auxiliary frame is U type structure, and it is vertical gesture setting, the main frame setting is kept away from to the opening face of auxiliary frame, the trapezoidal lead screw is vertical axle and connects in the opening of auxiliary frame, the cover is equipped with first slider and second slider on the trapezoidal lead screw, first slider all can cooperate with trapezoidal lead screw transmission with the second slider, the gear train is installed on the top of trapezoidal lead screw, and the carousel passes through the gear train and can drive trapezoidal lead screw and rotate around self axis, the second slider is in the below of first slider, the boss of U type structure is installed in the outside of second slider, the opening direction of boss is mutually perpendicular with the opening direction of auxiliary frame, the pole body tip of hydraulic stem passes through the attenuator coupling in the opening of boss, it installs on first slider to break away from the sensor.
Further, the damper comprises a rotating shaft, a damping bearing, an acceleration torsion spring, an upper bearing arm and a lower bearing arm, the rotating shaft is vertically hinged in the boss opening through the damping bearing, the end part of a rod body of the hydraulic rod is fixedly sleeved on the rotating shaft, one end of the upper bearing arm and one end of the lower bearing arm are respectively sleeved at the upper end and the lower end of the rotating shaft, the other end of the upper bearing arm and the other end of the lower bearing arm are fixedly sleeved with the free end of the rod body of the hydraulic rod, the acceleration torsion spring is sleeved at the lower half section of the rotating shaft, the lower half section of the rotating shaft is elastically matched with the inner wall of the boss opening through the acceleration torsion spring, the reset direction of the acceleration torsion spring is the same as the reset direction of the damping bearing, the walking bracket is vertically arranged below one end of the lower bearing arm far away from the shaft connection end of the hydraulic rod, the front end of a piston rod of the hydraulic rod is provided with a, and the moving direction thereof is parallel to the output direction of the hydraulic rod.
Further, the top end of the rotating shaft penetrates through the upper portion of the boss, a first disc body is installed on the top end of the rotating shaft, a contact block is installed on the outer circular surface of the first disc body, a supporting plate is installed on the first sliding block, a second disc body is arranged at the outer end of the supporting plate, the second disc body is coaxial with the first disc body, the second disc body can be matched with the supporting plate in a rotating mode around the axis of the second disc body through a first adjusting bolt, a first threaded hole for enabling the first adjusting bolt to be screwed in is formed in the outer end of the supporting plate, the second disc body is located in a normal state, the second disc body can be fixedly connected with the supporting plate through a positioning nut through the first adjusting bolt, the separation sensor is inversely installed at the bottom of the second disc body and is located in an eccentric position.
Furthermore, a second adjusting bolt is fixed at the upper end of the separation sensor, a second threaded hole for mounting the second adjusting bolt is formed in the second disc body, the contact end of the separation sensor can rotate around the axis of the second adjusting bolt by twisting the second adjusting bolt, and the second adjusting bolt can fixedly connect the second disc body with the separation sensor through a positioning nut when the separation sensor is in a normal state.
Furthermore, the sucking disc is made of rubber.
Further, the gimbal is a flexible gimbal.
Furthermore, the power dodge device comprises a rodless oil cylinder, a driving bracket and two reset cams, wherein the two reset cams are respectively connected to the left side and the right side of the main frame in a shaft mode, a transmission gear is respectively arranged beside each reset cam, the driving bracket is of a U-shaped structure, two ends of an opening of the driving bracket are respectively corresponding to one transmission gear, the rodless oil cylinder is inversely arranged on the back side of the main frame, the output end of the rodless oil cylinder is fixedly connected with the inner side of an opening of the middle section of the driving bracket, two ends of the opening of the driving bracket are respectively provided with a rack, each rack is respectively meshed with the transmission gear at each position, two sides of the auxiliary frame are respectively provided with an extrusion block, the two extrusion blocks are respectively opposite to one reset cam, each reset cam is in transmission connection with the extrusion block at each position, the back side of the auxiliary frame is movably matched with, the guide tube is the dorsal part that the level runs through to the main frame, and the guide tube is located the dorsal part of main frame one end and is provided with spacing dish, all overlaps on every guide tube to be equipped with two buffer spring, and one of them buffer spring presss from both sides and establishes between main frame and auxiliary frame, and another buffer spring presss from both sides and establishes between spacing dish and main frame.
Furthermore, the bottom ends of the walking bracket, the main frame and the auxiliary frame are all provided with self-locking universal wheels.
The use method of the vehicle door quantitative force application device comprises the following steps:
the method comprises the following steps: rotating the second disc body to adjust the distance between the separation sensor and the contact block, wherein the distance is changed by a specific initial test angle after the vehicle door is opened;
step two: the device is integrally arranged beside a vehicle door, the axial direction of an initialized hydraulic rod is parallel to the length direction of a vehicle, and the liquid feeding speed of a variable frequency oil pump is adjusted in advance through a controller, so that the output speed of the hydraulic rod is improved;
step three: the hydraulic rod is lifted or lowered by using a hand-operated lifting mechanism, so that the hydraulic rod is adapted to the horizontal height of the middle section of the door of the current vehicle to be detected, and meanwhile, the walking bracket is always in contact with the ground by virtue of the self-telescopic characteristic to form a bearing for the hydraulic rod;
step four: the power dodging device drives the auxiliary frame to be away from the main frame in a small-amplitude straight manner and prepares for subsequent resetting;
step five: the opening surface of the sucker faces the car door through the adjustment of the universal joint, the sucker is attached to a handle area close to the car door, then the air pump works, and the car door is tightly sucked by the sucker;
step six: the hydraulic stem begins work, the driving force impels the sucking disc to promote the door and takes place the closed motion, in 1~2 seconds after promoting, because the rotary motion of the pole body tip of hydraulic stem, then make the contact block take place the circumferential motion, the response end that breaks away from the sensor through the contact block touching, break away from behind the sensor receiving touch signal, with signal of telecommunication transmission to controller, the controller then instructs air pump and frequency conversion oil pump stop work at once, make sucking disc and door take place to break away from, in this moment, power dodge ware can make the auxiliary frame reset, then make the sucking disc can not take place the contact with the door, and accomplish the action of closing the door.
Has the advantages that: the invention relates to a door quantitative force application device applied to automobile manufacturing and a using method thereof.A second disc body is rotated to adjust the distance between a separation sensor and a contact block, wherein the distance is changed by a specific initial test angle after a door is opened; then the device is integrally arranged beside a vehicle door, the axial direction of an initialized hydraulic rod is parallel to the length direction of the vehicle, the liquid feeding speed of a variable frequency oil pump is adjusted in advance through a controller, so that the output speed of the hydraulic rod is improved, then the hydraulic rod is lifted or lowered by utilizing a hand-operated lifting mechanism, the hydraulic rod is adapted to the horizontal height of the middle section of the vehicle door of the vehicle to be detected at present, and meanwhile, a walking bracket is always in contact with the ground by virtue of the self-telescopic characteristic to form a support for the hydraulic rod; then the power dodging device drives the auxiliary frame to be away from the main frame in a small-amplitude straight manner, and subsequent reset preparation is well made; then the opening surface of the sucker faces the car door through the adjustment of the universal joint, the sucker is attached to a handle area close to the car door, then the air pump works, and the car door is tightly sucked by the sucker; at last, the hydraulic rod starts to work, the driving force causes the sucker to push the car door to perform closing motion, within 1-2 seconds after pushing, due to the rotating motion of the end part of the rod body of the hydraulic rod, the contact block is made to perform circumferential motion, the contact block touches the sensing end of the separation sensor, the separation sensor receives a touch signal and transmits an electric signal to the controller, the controller immediately instructs the air pump and the variable frequency oil pump to stop working, so that the sucker and the car door are separated, meanwhile, the auxiliary frame can be reset by the power dodge device, the sucker is made not to contact with the car door, and one-time action of closing the car door is completed; the invention can greatly improve the accuracy of the detection of the closeness of the vehicle door, and has compact structure and convenient movement.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a side view of the present invention;
FIG. 2 is a schematic plan view of the present invention;
FIG. 3 is a first perspective view of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is yet another view of the present invention;
FIG. 6 is an enlarged view taken at A in FIG. 5;
FIG. 7 is an enlarged view of FIG. 5 at B;
FIG. 8 is a schematic perspective view of the second embodiment of the present invention;
FIG. 9 is an enlarged view at C of FIG. 8;
FIG. 10 is an enlarged view of FIG. 8 at D;
description of reference numerals: the hydraulic oil cylinder device comprises a main frame 1, a rodless oil cylinder 1a, a driving bracket 1b, a reset cam 1c, transmission teeth 1d, a rack 1e, an auxiliary frame 1t, an extrusion block 1r, a guide pipe 1q and a buffer spring 1 j.
Contact block 3, first tray 3 a.
The support plate 4, the second disk body 4a, the first adjusting bolt 4b, the set nut 4 c.
An air pump 6, a suction cup 6a and a universal joint 6 b.
A trapezoidal screw 7, a gear set 7a, a rotary disc 7b, a second slide block 7d and a boss 7 r.
A disengagement sensor 8, a second adjusting screw 8 a.
Self-locking universal wheel 9.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 10, a door quantitative force application device applied to automobile manufacturing includes a main frame 1, an auxiliary frame 1t, a constant force thruster, a controller, an air pump 6 and a suction cup 6a, wherein the auxiliary frame 1t is installed at the front side of the main frame 1 and can be movably arranged toward or away from the main frame 1 through a power dodge device, a hand-operated lifting mechanism is installed at the front side of the auxiliary frame 1t, one end of the constant force thruster is in transmission connection with the hand-operated lifting mechanism, a walking bracket 2 is installed at the other end of the constant force thruster, the walking bracket 2 is a passive telescopic structure, the suction cup 6a is connected with an output rod of the constant force thruster through a universal joint 6b, the constant force thruster includes a hydraulic rod 2a and a variable frequency oil pump 2b, the air pump 6 and the variable frequency oil pump 2b are both installed outside the main frame 1, the variable frequency oil pump 2b is communicated with a liquid inlet end of, air pump 6 passes through trachea and sucking disc 6a intercommunication, and hydraulic stem 2 a's top still is provided with the sensor 8 that breaks away from that can rotation regulation, should break away from sensor 8 and rely on the synchronous vertical activity of hand formula elevating system with hydraulic stem 2a, break away from sensor 8 and controller electric connection, frequency conversion oil pump 2b and air pump 6 all with controller electric connection.
The hand-operated lifting mechanism comprises a trapezoidal lead screw 7, a gear set 7a and a rotary table 7b, the auxiliary frame 1t is of a U-shaped structure and is arranged in a vertical posture, the opening surface of the auxiliary frame 1t is far away from the main frame 1, the trapezoidal lead screw 7 is vertically connected in the opening of the auxiliary frame 1t in a vertical shaft mode, a first sliding block and a second sliding block 7d are sleeved on the trapezoidal lead screw 7, the first sliding block and the second sliding block 7d can be in transmission fit with the trapezoidal lead screw 7, the gear set 7a is arranged at the top end of the trapezoidal lead screw 7, the rotary table 7b can drive the trapezoidal lead screw 7 to rotate around the axis of the rotary table through the gear set 7a, the second sliding block 7d is arranged below the first sliding block, a boss 7r of the U-shaped structure is arranged on the outer side of the second sliding block 7d, the opening direction of the boss 7r is perpendicular to the opening direction of the auxiliary frame 1t, the rod body end portion of the hydraulic rod 2, the disengagement sensor 8 is mounted on the first slider; manually driving the trapezoidal lead screw 7 to rotate around the axis of the trapezoidal lead screw 7 through the turntable 7b, further enabling the first sliding block and the second sliding block 7d to synchronously ascend or descend, and further enabling the horizontal height of the hydraulic rod 2a to be adaptable to the height of the current vehicle door of the vehicle to be detected; the retractility of the walking bracket 2 enables the bottom end of the walking bracket 2 to always contact the ground when the height of the hydraulic rod 2a is adjusted, so that a bearing is formed.
The damper comprises a rotating shaft 2d, a damping bearing, an acceleration torsion spring 2r, an upper bearing arm 2e and a lower bearing arm 2f, the rotating shaft 2d is vertically hinged in an opening of a boss 7r through the damping bearing, the rod body end part of a hydraulic rod 2a is fixedly sleeved on the rotating shaft 2d, one end of the upper bearing arm 2e and one end of the lower bearing arm 2f are respectively sleeved at the upper end and the lower end of the rotating shaft 2d, the other end of the upper bearing arm 2e and the other end of the lower bearing arm 2f are fixedly sleeved with the rod body free end of the hydraulic rod 2a, the acceleration torsion spring 2r is sleeved at the lower half section of the rotating shaft 2d, the lower half section of the rotating shaft 2d is elastically matched with the inner wall of the opening of the boss 7r through the acceleration torsion spring 2r, the reset direction of the acceleration torsion spring 2r is the same as the reset direction of the damping bearing, the walking support 2 is vertically arranged below one end of the lower bearing arm 2f far away from the shaft, the short end of the stabilizing arm 2k is fixedly sleeved on the piston rod of the hydraulic rod 2a, the long end of the stabilizing arm 2k is movably matched with the upper bearing arm 2e, and the moving direction of the stabilizing arm is parallel to the output direction of the hydraulic rod 2 a; the working stroke of the hydraulic rod 2a promotes the movement of the sucker 6a, and in the process, the hydraulic rod 2a is used as a driving force to promote the sucker 6a to be adsorbed on the car door to realize the driving of the car door; the variable frequency oil pump 2b can change the output speed of the hydraulic rod 2a, namely, the speed at which the vehicle door is pushed; the closing condition of the car door under the condition of different pushing speeds is simulated; the acting force of the damping bearing is used for promoting the whole hydraulic rod 2a to be in a stable state under the working condition of the hydraulic rod 2a and taking the rotating force of the end part of the hydraulic rod 2a as thrust compensation; the method comprises the following steps: after the sucker 6a is adsorbed on the car door, the hydraulic rod 2a drives the sucker 6a to move, the car door is forced to close by a pushing force, in the process, the whole car door moves along an arc track, and at the moment, the rod body end part of the hydraulic rod 2a, namely one end sleeved with the rotating shaft 2d, rotates, namely serves as thrust compensation for arc-direction track movement of the car door; in the process, the damping bearing enables the hydraulic rod 2a to rotate stably, when the car door is pushed for 1-2 seconds, the sucker 6a stops adsorbing, namely, the sucker is separated from the car door, at the moment, the hydraulic rod 2a can rotate and reset to the initial position of the damping bearing due to the reverse pull-back force of the damping bearing, the process is summarized, and the walking support 2 is in contact with the ground; friction is generated in order to allow accurate resetting of the hydraulic lever 2 a; the speed-increasing torsion spring 2r is added, so that the integral reset force of the hydraulic rod 2a is larger than the friction force, and stable reset is formed; the acting force of the stabilizing arm 2k enables a piston rod of the hydraulic rod 2a to have guiding force when extending out or retracting, so that instability cannot occur; meanwhile, the upper bearing arm 2e and the lower bearing arm 2f ensure the absolute stability of the whole body of the hydraulic rod 2a in the moving state and the normal state.
The top end of the rotating shaft 2d penetrates above the boss 7r, the top end of the rotating shaft 2d is provided with a first disk body 3a, the outer circular surface of the first disk body 3a is provided with a contact block 3, the first slider is provided with a support plate 4, the outer end of the support plate 4 is provided with a second disk body 4a, the second disk body 4a is coaxial with the first disk body 3a, the second disk body 4a can be matched with the support plate 4 around the axis of the second disk body 4a through a first adjusting bolt 4b, the outer end of the support plate 4 is provided with a first threaded hole for screwing in of the first adjusting bolt 4b, the second disk body 4a is in a normal state, the first adjusting bolt 4b can fixedly connect the second disk body 4a with the support plate 4 through a positioning nut 4c, the separation sensor 8 is arranged at the bottom of the second, and is also positioned at the eccentric position of the second disc body 4a, and the contact end of the disengagement sensor 8 is positioned at the same horizontal height with the contact block 3; the sucker 6a only pushes the car door, and in the closing process of the car door, the sucker 6a needs to be separated from the car door, so that the car door is closed at any angle, the extending amount of the hydraulic rod 2a also needs to be changed synchronously, and meanwhile, the negative pressure vacuum supply of the sucker 6a is stopped at the time point of the extending and ejecting amount of the hydraulic rod 2a, so that the angle of the second disc body 4a can be rotated by the first adjusting bolt 4b, the angle change of the separation sensor 8 is promoted, and the setting angle of the separation sensor 8 is matched with the position of the sucker 6a separated after the car door is pushed, specifically: the hydraulic rod 2a works, a piston rod of the hydraulic rod drives a sucker 6a to push a vehicle door to be closed, within 1-2 seconds after pushing, due to the fact that the end portion of a rod body of the hydraulic rod 2a rotates, even if a rotating shaft 2d rotates, in the process, a contact block 3 outside the rotating shaft 2d moves circumferentially and finally contacts with a sensing end of a separation sensor 8, the separation sensor 8 transmits an electric signal to a controller, the controller indicates a variable frequency oil pump 2b and an air pump 6 to stop working, the air pump 6 stops working, and the sucker 6a is separated from the vehicle door; meanwhile, the controller can synchronously instruct the power avoidance device to drive the suction disc 6a separated from the vehicle door to be away from the vehicle door in a small range, namely, the power avoidance device can drive the auxiliary frame 1t to be close to the main frame 1.
A second adjusting bolt 8a is fixed at the upper end of the detachment sensor 8, a second threaded hole for mounting the second adjusting bolt 8a is formed in the second disc body 4a, the contact end of the detachment sensor 8 can rotate around the axis of the second adjusting bolt 8a by twisting the second adjusting bolt 8a, and the second adjusting bolt 8a can fixedly connect the second disc body 4a and the detachment sensor 8 through a positioning nut 4c when the detachment sensor 8 is in a normal state; because the separation sensor 8 depends on the rotation of the second disc body 4a, the circumferential angle change along the second disc body 4a occurs, in the process, the contact end of the subsequent separation sensor 8 can be in full contact with the contact block 3, so the separation sensor 8 also needs to rotate independently, the induction end of the separation sensor 8 can be improved to correspond to the contact block 3 which rotates subsequently, and the two can be in stable induction contact.
The sucking disc 6a is made of rubber; the material can prevent the damage to the vehicle door and can be tightly connected with the vehicle door.
The universal joint 6b is a flexible universal joint 6 b; the flexible universal joint 6b has a universal joint 6b with obvious elasticity in the torsion direction, so that the sucker 6a does not completely collapse downwards after being separated from the vehicle door, namely the sucker 6a can be stably connected with the piston rod of the hydraulic rod 2a by virtue of the universal joint 6b, and specifically: when the suction cup 6a is separated from the vehicle door instantly, the universal joint 6b can rely on the elastic property of the suction cup 6a to enable the suction cup 6a to have instant buffering, in the instant buffering, the power dodge device is given to enable the auxiliary bracket to drive the suction cup 6a to be close to the main frame 1, the suction cup 6a is far away from the vehicle door, and the possibility that the suction cup 6a collapses instantly to contact the vehicle door can be avoided.
The power dodging device comprises a rodless oil cylinder 1a, an actuating support 1b and two reset cams 1c, wherein the two reset cams 1c are respectively connected to the left side and the right side of a main frame 1 in a shaft mode, a transmission gear 1d is respectively installed beside the two reset cams 1c, the actuating support 1b is of a U-shaped structure, two ends of an opening of the actuating support 1b respectively correspond to the transmission gear 1d, the rodless oil cylinder 1a is inversely installed on the back side of the main frame 1, the output end of the rodless oil cylinder 1a is fixedly connected with the inner side of a middle section opening of the actuating support 1b, two ends of the opening of the actuating support 1b are respectively provided with a rack 1e, each rack 1e is respectively meshed with the transmission gear 1d at each position, two sides of an auxiliary frame 1t are respectively provided with an extrusion block 1r, the two extrusion blocks 1r are respectively opposite to the reset cams 1c, each reset cam 1c is in transmission connection with the extrusion block 1, the back side of the auxiliary frame 1t is movably matched with the main frame 1 through two guide pipes 1q which are symmetrical up and down, the guide pipes 1q horizontally penetrate through the back side of the main frame 1, a limiting disc is arranged at one end, located on the back side of the main frame 1, of each guide pipe 1q, two buffer springs 1j are sleeved on each guide pipe 1q, one buffer spring 1j is clamped between the main frame 1 and the auxiliary frame 1t, and the other buffer spring 1j is clamped between the limiting disc and the main frame 1; the reset cam 1c and the transmission gear 1d are sleeved on the same transmission shaft; the rodless oil cylinder 1a drives the actuating support 1b to vertically move, so that the two racks 1e respectively start to engage with a transmission gear 1d, the reset cam 1c rotates in order to enable the reset cam 1c to abut against the extrusion block 1r in rotation, and then push is formed, so that the extrusion block 1r is forced to drive the auxiliary frame 1t to be away from the main frame 1, when the sucker 6a is separated from the vehicle door at the moment, the rodless oil cylinder 1a can reversely reset to work, and the auxiliary frame 1t is close to the main frame 1 by virtue of the buffer spring 1j by virtue of the reverse stroke, so that the vehicle door can be avoided when the sucker 6a collapses; two buffer springs 1j are arranged on the same guide pipe 1q, so that the amplitude is small when the auxiliary frame 1t is reset, and the stability is high.
The bottom ends of the walking bracket 2, the main frame 1 and the auxiliary frame 1t are all provided with self-locking universal wheels 9; when the hydraulic rod 2a works, the rod body of the hydraulic rod 2a can rotate slightly, in the process, the walking support 2 provides rod body movement support for the hydraulic rod 2a through the bottom self-locking universal wheel 9, and the main frame 1 and the auxiliary frame 1t can enable the whole device to be moved manually through the self-locking universal wheels 9.
The use method of the vehicle door quantitative force application device comprises the following steps:
the method comprises the following steps: rotating the second disc 4a so that the distance between the detachment sensor 8 and the contact block 3 is adjusted, the distance being varied by the specific initial test angle after the door is opened;
step two: the device is integrally arranged beside a vehicle door, the axial direction of an initialized hydraulic rod 2a is parallel to the length direction of the vehicle, and the liquid feeding speed of a variable frequency oil pump 2b is adjusted in advance through a controller, so that the output speed of the hydraulic rod 2a is improved;
step three: the hydraulic rod 2a is lifted or lowered by using a hand-operated lifting mechanism, so that the hydraulic rod 2a is adapted to the horizontal height of the middle section of the door of the current vehicle to be detected, and meanwhile, the walking bracket 2 is always in contact with the ground by virtue of the self-telescopic characteristic to form a bearing for the hydraulic rod 2 a;
step four: the power dodging device drives the auxiliary frame 1t to be away from the main frame 1 in a small-amplitude straight manner, and subsequent reset preparation is well made;
step five: the suction cup 6a is adjusted through the universal joint 6b to enable the opening surface of the suction cup to face the car door, the suction cup 6a is attached to the handle area close to the car door, then the air pump 6 works, and the car door is tightly sucked through the suction cup 6 a;
step six: hydraulic stem 2a begins work, the driving force impels sucking disc 6a to promote the door and takes place the closed motion, in 1~2 seconds after promoting, because the rotary motion of hydraulic stem 2 a's pole body tip, make contact block 3 take place the circumferential motion then, the response end that breaks away from sensor 8 through the contact block 3 touching, break away from behind sensor 8 receives touch signal, with signal of telecommunication transmission to controller, the controller then instructs air pump 6 and frequency conversion oil pump 2b stop work at once, make sucking disc 6a and door take place to break away from, in this moment, the power dodges the ware and can make sub-frame 1t reset, then make sucking disc 6a can not take place the contact with the door, and accomplish the action of closing the door.
The working principle is as follows: rotating the second disc 4a so that the distance between the detachment sensor 8 and the contact block 3 is adjusted, the distance being varied by the specific initial test angle after the door is opened; then the device is integrally arranged beside a vehicle door, the axial direction of the initialized hydraulic rod 2a is parallel to the length direction of the vehicle, the liquid feeding speed of the variable frequency oil pump 2b is adjusted in advance through a controller, so that the output speed of the hydraulic rod 2a is improved, then the hydraulic rod 2a is lifted or lowered by utilizing a hand-operated lifting mechanism, the purpose is that the hydraulic rod 2a adapts to the horizontal height of the middle section of the vehicle door of the vehicle to be detected, and meanwhile, the walking support 2 is always in contact with the ground by means of the self-telescopic characteristic to form a support for the hydraulic rod 2 a; then the power dodging device drives the auxiliary frame 1t to be away from the main frame 1 in a small-amplitude straight way, and subsequent reset preparation is well made; then the suction cup 6a is adjusted through the universal joint 6b to enable the opening surface of the suction cup to face the vehicle door, the suction cup 6a is attached to the handle area close to the vehicle door, then the air pump 6 works, and the vehicle door is tightly sucked through the suction cup 6 a; at last, the hydraulic rod 2a starts to work, the driving force causes the suction disc 6a to push the car door to perform closing motion, within 1-2 seconds after pushing, due to the rotating motion of the rod body end part of the hydraulic rod 2a, the contact block 3 is made to perform circumferential motion, the contact block 3 touches the sensing end of the separation sensor 8, the separation sensor 8 receives a touch signal and transmits an electric signal to the controller, the controller immediately instructs the air pump 6 and the variable frequency oil pump 2b to stop working, so that the suction disc 6a is separated from the car door, meanwhile, the power avoidance device enables the auxiliary rack 1t to reset, the suction disc 6a is prevented from contacting with the car door, and one action of closing the car door is completed; the speed of pushing needs to be changed, namely the variable frequency oil pump 2b is adjusted.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a be applied to door ration force application device in automobile manufacturing which characterized in that: comprises a main frame (1), an auxiliary frame (1 t), a constant force propeller, a controller, an air pump (6) and a sucker (6 a), wherein the auxiliary frame (1 t) is arranged at the front side of the main frame (1) and can be movably arranged towards or away from the main frame (1) directly through a power dodger, a hand-operated lifting mechanism is arranged at the front side of the auxiliary frame (1 t), one end of the constant force propeller is in transmission connection with the hand-operated lifting mechanism, a walking bracket (2) is arranged at the other end of the constant force propeller, the walking bracket (2) is of a passive telescopic structure, the sucker (6 a) is connected with an output rod of the constant force propeller through a universal joint (6 b), the constant force propeller comprises a hydraulic rod (2 a) and a variable frequency oil pump (2 b), the air pump (6) and the variable frequency oil pump (2 b) are both arranged outside the main frame (1), the variable frequency oil pump (2 b) is communicated with the liquid inlet end of the hydraulic rod (2, air pump (6) are through trachea and sucking disc (6 a) intercommunication, and the top of hydraulic stem (2 a) still is provided with separation sensor (8) that can rotation regulation, should separate sensor (8) and can rely on the synchronous vertical activity of hand formula elevating system with hydraulic stem (2 a), separate sensor (8) and controller electric connection, and frequency conversion oil pump (2 b) and air pump (6) all with controller electric connection.
2. The door quantitative force application device applied to the automobile manufacturing of claim 1 is characterized in that: the hand-operated lifting mechanism comprises a trapezoidal lead screw (7), a gear set (7 a) and a rotary table (7 b), an auxiliary frame (1 t) is of a U-shaped structure and is arranged in a vertical posture, the opening surface of the auxiliary frame (1 t) is far away from a main frame (1), the trapezoidal lead screw (7) is vertically connected in the opening of the auxiliary frame (1 t), a first sliding block and a second sliding block (7 d) are sleeved on the trapezoidal lead screw (7), the first sliding block and the second sliding block (7 d) can be in transmission fit with the trapezoidal lead screw (7), the gear set (7 a) is installed at the top end of the trapezoidal lead screw (7), the rotary table (7 b) can drive the trapezoidal lead screw (7) to rotate around the axis of the rotary table, the second sliding block (7 d) is located below the first sliding block, a boss (7 r) of the U-shaped structure is installed on the outer side of the second sliding block (7 d), the opening direction of the boss (7 r) is vertical to the opening direction of the auxiliary frame (1 t), the rod body end part of the hydraulic rod (2 a) is connected in the opening of the boss (7 r) through a damper shaft, and the separation sensor (8) is arranged on the first sliding block.
3. The door quantitative force application device applied to the automobile manufacturing of claim 2 is characterized in that: the damper comprises a rotating shaft (2 d), a damping bearing, a speed-increasing torsion spring (2 r), an upper bearing arm (2 e) and a lower bearing arm (2 f), the rotating shaft (2 d) is vertically hinged in an opening of a boss (7 r) through the damping bearing, the end part of a rod body of a hydraulic rod (2 a) is fixedly sleeved on the rotating shaft (2 d), one ends of the upper bearing arm (2 e) and the lower bearing arm (2 f) are respectively sleeved at the upper end and the lower end of the rotating shaft (2 d), the other ends of the upper bearing arm (2 e) and the lower bearing arm (2 f) are fixedly sleeved with the free end of the rod body of the hydraulic rod (2 a), the speed-increasing torsion spring (2 r) is sleeved at the lower half section of the rotating shaft (2 d), the lower half section of the rotating shaft (2 d) is elastically matched with the inner wall of the opening of the boss (7 r) through the speed-increasing torsion spring (2 r), the reset direction of, walking support (2) are vertical installation and keep away from the one end below of hydraulic stem (2 a) axle head end under bearing arm (2 f), and the piston rod front end of hydraulic stem (2 a) is equipped with stablizes arm (2 k) that is close L type structure, and the fixed cover of minor face of stablizing arm (2 k) is established on the piston rod of hydraulic stem (2 a), and the long limit end and last bearing arm (2 e) clearance fit of stablizing arm (2 k) to its activity direction parallels with the output direction of hydraulic stem (2 a).
4. The door quantitative force application device applied to the automobile manufacturing of claim 3 is characterized in that: the top end of the rotating shaft (2 d) penetrates above the boss (7 r), a first disc body (3 a) is installed at the top end of the rotating shaft (2 d), a contact block (3) is installed on the outer circular surface of the first disc body (3 a), a supporting plate (4) is installed on the first sliding block, a second disc body (4 a) is arranged at the outer end of the supporting plate (4), the second disc body (4 a) is coaxial with the first disc body (3 a), the second disc body (4 a) can be matched with the supporting plate (4) in a way of rotating around the axis of the second disc body through a first adjusting bolt (4 b), a first threaded hole for screwing the first adjusting bolt (4 b) is formed in the outer end of the supporting plate (4), the second disc body (4 a) is in a normal state, the first adjusting bolt (4 b) can fixedly connect the second disc body (4 a) with the supporting plate (4) through a positioning nut (4 c), the separation sensor (8) is installed at the bottom of the second disc body (4, and is also positioned at the eccentric position of the second disc body (4 a), and the contact end of the disengagement sensor (8) is positioned at the same level with the contact block (3).
5. The door quantitative force application device applied to the automobile manufacturing of claim 4 is characterized in that: the upper end of the separation sensor (8) is fixed with a second adjusting bolt (8 a), a second threaded hole for mounting the second adjusting bolt (8 a) is formed in the second disc body (4 a), the second adjusting bolt (8 a) is twisted to enable the contact end of the separation sensor (8) to rotate around the axis of the second adjusting bolt, and the second adjusting bolt (8 a) can fixedly connect the second disc body (4 a) with the separation sensor (8) through a positioning nut (4 c) when the separation sensor (8) is in a normal state.
6. The door quantitative force application device applied to the automobile manufacturing of claim 1 is characterized in that: the suction cup (6 a) is made of rubber.
7. The door quantitative force application device applied to the automobile manufacturing of claim 1 is characterized in that: the universal joint (6 b) is a flexible universal joint (6 b).
8. The door quantitative force application device applied to the automobile manufacturing of claim 1 is characterized in that: the power avoiding device comprises a rodless oil cylinder (1 a), an actuating bracket (1 b) and two reset cams (1 c), wherein the two reset cams (1 c) are respectively connected to the left side and the right side of a main frame (1) in a shaft mode, a transmission gear (1 d) is respectively installed at the side of each of the two reset cams (1 c), the actuating bracket (1 b) is of a U-shaped structure, two ends of an opening of the actuating bracket (1 b) respectively correspond to the transmission gear (1 d), the rodless oil cylinder (1 a) is installed on the back side of the main frame (1) in an inverted mode, the output end of the rodless oil cylinder (1 a) is fixedly connected with the inner side of an opening of the middle section of the actuating bracket (1 b), two ends of the opening of the actuating bracket (1 b) are respectively provided with a rack (1 e), each rack (1 e) is respectively meshed with the transmission gear (1 d) at the position of the rack, two sides of an auxiliary frame (1 t), the two extrusion blocks (1 r) are respectively opposite to a reset cam (1 c), each reset cam (1 c) is in transmission connection with the extrusion block (1 r) at the position of the reset cam, the back side of the auxiliary rack (1 t) is movably matched with the main rack (1) through two guide tubes (1 q) which are symmetrical up and down, the guide tubes (1 q) horizontally penetrate through the back side of the main rack (1), a limiting disc is arranged at one end, located at the back side of the main rack (1), of each guide tube (1 q), two buffer springs (1 j) are sleeved on each guide tube (1 q), one buffer spring (1 j) is clamped between the main rack (1) and the auxiliary rack (1 t), and the other buffer spring (1 j) is clamped between the limiting disc and the main rack (1).
9. The door quantitative force application device applied to the automobile manufacturing of claim 1 is characterized in that: the bottom ends of the walking bracket (2), the main frame (1) and the auxiliary frame (1 t) are all provided with self-locking universal wheels (9).
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| CN201910210094.8A CN109900497B (en) | 2019-03-19 | 2019-03-19 | Door quantitative force application device applied to automobile manufacturing |
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