Background technology
Automotive door hinge is to be connected connection with car door for vehicle body, can be around the general name of the same axis revolution of above-below direction and the parts that mutually combine.Come minute roughly to be divided into punching type hinge and profile-type hinge with the hinge manufacture process, wherein the punching type hinge is because its form is simple, good manufacturability and cost is low is widely used.The punching type hinge generally by main hinge, secondary hinge and the axle sleeve and the pivot pin that are used for connecting both jointly form, punching type hinge assemblies mode in the past is all for manually assembling above-mentioned parts, productivity ratio low oneself needless to say, its yield rate is also lower.at present, Countries has brought into use the hinge assemblies production line to realize the mechanization assembling of automotive door hinge, yet, if hinge assemblies wants to realize mechanization, must need again to use fixture realize for the accurate location of accessory to be installed and grip, be during existing fixture real work and directly be fixed on corresponding operation position, when operation is switched, can only rely on the co-operating of manipulator to realize the loading and unloading of assembly on each fixture, that is to say, when each manipulator carries out again clamping for accessory to be installed, the orientation assemble benchmark of its last operation is all destroyed, thereby can't realize accurate location at all, let alone accurately assembled, some producer is for overcoming defects, can only be after the manipulator clamping be complete, each operation begins front its positioning datum is reset and locates and adopts in a large number sensor to realize timing monitoring, not only cause complicated and loaded down with trivial detailsization of operation of its device, increased greatly the production cost of producer, simultaneously owing to increasing a large amount of electronic equipments, also caused its error rate high, downtime rate is high, safeguard extremely frequent.
Summary of the invention
The automobile door hinge clamp that the purpose of this invention is to provide a kind of trailing type can be realized reliable location and the clamping of hinge, promotes greatly its operating efficiency, and simple in structure and convenient operation is safeguarded.
for achieving the above object, the present invention has adopted following technical scheme: a kind of automobile door hinge clamp, described fixture comprises pedestal and is arranged at the clamping part that is used for the clamping hinge on pedestal, described clamping part comprises for the first clamping part of clamping main hinge and is used for the second clamping part of the secondary hinge of clamping, the described pin shaft hole axis that is held on two hinges on clamping part is parallel to each other, described fixture has two location status, one of them is that the first clamping part and the second clamping part are separated and install separately respective hinge section, another kind of location status is that the first clamping part and the second clamping part produce relative motion along the plane that above-mentioned two parallel pin axis hole axis consist of, the pin shaft hole dead in line of final guiding two hinges and make above-mentioned both be in correct rigging position.
Major advantage of the present invention is: owing to adopting the servo-actuated mode of fixture and hinge, drag integral clamp by mobile foundation servo-actuated, that is to say, fixture clamping major-minor hinge still in motion process, its positioning datum does not change, realized that clamped one time can satisfy corresponding operation location and assembling needs, complicated and loaded down with trivial detailsization of the operation problem of the device of having avoided the positioning datum of old-fashioned fixed clamp to reset and locate and having adopted in a large number sensor to cause, promoted greatly its operating efficiency, simple in structure and convenient operation is safeguarded simultaneously.
The specific embodiment
a kind of automobile door hinge clamp, described fixture comprises pedestal 10 and is arranged at the clamping part that is used for the clamping hinge on pedestal 10, described clamping part comprises for the first clamping part 20 of clamping main hinge and is used for the second clamping part 30 of the secondary hinge of clamping, the described pin shaft hole axis that is held on two hinges on clamping part is parallel to each other, described fixture has two location status, one of them is that the first clamping part 20 and the second clamping part 30 are separated and install separately respective hinge section, another kind of location status is that the first clamping part 20 and the second clamping part 30 produce relative motion along the plane that above-mentioned two parallel pin axis hole axis consist of, the pin shaft hole dead in line of final guiding two hinges and make above-mentioned both be in correct rigging position, as shown in Fig. 1 and Fig. 7-8.
For ease of understanding, existing with the publicity of the applied wherein a kind of assembly machine structure of the present invention following (under show and the fixture A that illustrates in 9 is the present invention):
the transmission rotating disk 100 that this automatic assembling machine for automobile door hinge comprises annular slab 90 and is arranged at annular slab 90 middle parts, transmitting rotating disk 100 rotates for batch (-type), be furnished with the fixture A corresponding to the operation number on its card, transmit and be provided with the delivery device 110 that moves radially along transmission rotating disk 100 for pushing fixture A on rotating disk 100, be furnished with clamp positioning mechanism 120 and operation executing agency 130 on annular slab 90 plate faces, delivery device 110 has two location status, one of them stretches out and transmits rotating disk 100 to clamp positioning mechanism 120 location, places so that operation executing agency 130 carries out this procedure assembling for pushing fixture A, rear drive fixture A retracts and transmits rotating disk 100 and break away from the clamp positioning mechanism 120 of this procedure assembling position another location status for this procedure finishes, as shown in Figure 9.
In conjunction with on address Fig. 8 and can find out, feed section on this assembly machine is to the first clamping part 20 and the second clamping part 30 installing respective hinge section separately, can be by six stations do not stop the requirement that cycle rotation realizes satisfying at the clamped one time of feed section whole operations location and assembling needs, having avoided old-fashioned fixture to be fixedly installed caused positioning datum resets and locates and the device that adopts in a large number sensor to cause is complicated and loaded down with trivial detailsization of operation problem, promoted greatly its operating efficiency, simple in structure and convenient operation is safeguarded simultaneously.
As the present invention further optimization scheme: as shown in Fig. 3 and Fig. 6-7, described the second clamping part 30 comprises Holding seat 31, and described Holding seat 31 is fixed on pedestal 10.for ease of the reliable location of secondary hinge b and Fast Installation, described Holding seat 31 profiles are " protruding " word shape adaptive with secondary hinge recess, described the second clamping part 30 also comprises be used to the Pneumatic pressure tongue 32 that compresses secondary hinge b, be between the movement travel of described Pneumatic pressure tongue 32 and the first clamping part 20 and the second clamping part 30 and dodge the position, simultaneously, perpendicular its channeling direction guide rail 40 parallel with second clamping part 30 directions of motion with the first clamping part 20 that be equipped with on described pedestal 10, described the first clamping part 20 is set on described guide rail 40, that is to say, when actual the first clamping part 20 and the second clamping part 30 motion, the second clamping part 30 is fixed on pedestal 10 motionless, the first clamping part 20 that clamping has a main hinge moves to the second clamping part 30 places along guide rail 40, because consider that on the one hand common hinge assemblies operation mainly concentrates on secondary hinge place like this, accurate location for secondary hinge is particularly important, that a clamping part moves the fixing mode of a clamping part and all moves than the first clamping part 20 and the second clamping part 30 on the other hand, be easier to fixture is accurately located and assembled, and then be conducive to improve its efficiency of assembling, promote its yield rate.
further, as shown in Figure 6, Holding seat 31 profiles are saddle, thereby guarantee correctly walking of bearing pin when assembling, the saddle recess of its Holding seat 31 is that the bearing pin when need guaranteeing with assembling is walked route and is in and dodges the position, that is to say, the bearing pin of the recessed degree of depth of Holding seat 31 saddle recesses when avoiding interference fit walked route and is as the criterion, thereby normally walking of the bearing pin when guaranteeing to assemble, simultaneously, for guaranteeing reliable location and the clamping fast of secondary hinge, be provided with on the Holding seat 31 of described the second clamping part 30 for the alignment pin 33 adaptive with secondary hinge locating hole, the be placed in both sides of saddle Holding seat 31 and consist of matching relationship with the locating hole of secondary hinge both sides of alignment pin 33.
further, as Fig. 2, Fig. 5 and shown in Figure 7, holding function for specific implementation the first clamping part 20, on described the first clamping part 20, grip block 21 is set, described grip block 21 is provided with the alignment pin section 22 adaptive with main hinge a locating hole, described the first clamping part 20 also comprises with alignment pin section 22 and coordinates the pressure tongue 23 that compresses main hinge a, 32, the movement travel of described pressure tongue 23 and the first clamping part 20 and Pneumatic pressure tongue all are in dodges the position, that is to say, in actual installation, can be as shown in Figure 7, compress main hinge a with pressing tongue 23 to be arranged at the plate face outside of grip block 21 and to coordinate with grip block 21, Pneumatic pressure tongue 32 is installed on Holding seat 31 accordingly near the inside portion of guide rail 40, thereby guarantee that above-mentioned each parts are unlikely to hinder the relative motion of the first clamping part 20 and the second clamping part 30 on the one hand, on the other hand when the first clamping part 20 and the second clamping part 30 clamping hinge closing, also guaranteed to be in grip block 21 the plate face outside pressure tongue 23 be in Holding seat 31 inside portion Pneumatic pressure tongue 32 both mutually noninterferes near guide rails 40, thereby guaranteed the normal operation of above-mentioned each parts.
Further, as shown in Fig. 1 and Fig. 7-8, consider practical set and rationally utilize space requirement, described the first clamping part 20 is positioned at directly over the second clamping part 30, simultaneously, for realizing above-mentioned position relationship, slide unit section 41 is set on described guide rail 40,41, described grip block 21 and slide unit section are connected with for affixed both connecting portion 42.
As shown in Figure 4, described guide rail 40 both sides all are connected with triangular shape gripper shoe 50, and described gripper shoe 50 1 bases are fixed on pedestal 10, and one lateral plates and guide rail 40 1 sidepieces are fitted affixed.As everyone knows, triangle is that in all polygons, shape is the most stable, and the triangular shape gripper shoe 50 that therefore adopts is conducive to reliable and stable perpendicular the putting on pedestal 10 of guide rail 40.In practical application, to select right angle triangle that three rectangular straight plates form as example: the one right-angle side is fixed on pedestal 10 or arrange separately parallel and being fixed on the pressing plate plate face of pedestal 10, another right-angle side place plate face reclines and is fixed in a sidepiece of guide rail 40, and then guarantees above-mentioned between the two reliably affixed when materials are saved.
further, for guaranteeing the reliable location of this fixture on assembly machine, as shown in Figure 7, be provided with the locating hole 60 that is used for the positioning fixture position that vertically runs through pedestal 10 plate faces on described pedestal 10, in practical application, alignment pin that can the corresponding position setting matches on assembly machine, alignment pin can have two location status, one of them is for stretching out annular slab 90 and coordinating to locate the present invention with locating hole 60, another location status is the retraction original position and breaks away from locating hole 60, alignment pin herein can drive to realize its elemental motion as power according to the cylinder that is placed in annular slab 90 plate faces belows.In addition, for further guaranteeing the accurate location of locating hole 60, described locating hole 60 is set to two.
substrate 10 is further qualified herein, as shown in Figure 8, described pedestal 10 profiles are long strip-board shape, simultaneously, its alignment error is inevitable when mounted to consider fixture, for ease of proofreading and correct the first clamping part 20 and 30 relative positions of the second clamping part, described pedestal 10 offers the mounting hole 70 that coordinates with guide rail 40 bolts of being used for that connects plate body along its length direction, thereby realize the mechanical checkout of the first clamping part 20 parallel substrate 10 directions, in addition, 10 of described Holding seat 31 and pedestals also are correspondingly provided with backing plate 80, to be used for realizing the height correction of the second clamping part 30 vertical substrate 10 directions.