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, generally include the dress axle sleeve, wear pin, revolve riveting and survey and the operation such as turn round, punching type hinge assemblies mode in the past is all for manually assembling above-mentioned parts, productivity ratio, its product quality uniformity is poor.At present, auto industry developed country begins to utilize the mechanization assembling of hinge production line for automatically assembling realization automotive door hinge already.Yet, because what existing hinge assemblies production line all adopted is that orthoscopic is arranged, adopt manipulator transportation or chain type closed loop to carry between each operation, often there is following defective: at first, adopt the left and right sides return type manipulator of servo-actuated anchor clamps to carry, just certainly exist resetting and complex procedures phenomenon, price is also extremely expensive simultaneously, and adopt the chain type closed loop to carry, the strain phenomenon that has again the closed loop conveyer belt that long-term use must occur in case the closed loop conveyer belt produces strain, just can't realize accurate location at all, more leisure opinion has accurately been assembled, some producer can only carry out the each resetting of each operation for overcoming defects, needs simultaneously the signal acquiring processing system of a large amount of sensors and complexity to realize timing monitoring, not only greatly increased the production cost of producer, because a large amount of electronic sensor that uses has also caused its reliability to reduce, downtime rate is high simultaneously, safeguard extremely numerous and diversely, production efficiency descends; Secondly, existing orthoscopic hinge assemblies production line volume is extremely huge, has often taken a large amount of production sites, and rigging up and debugging is very inconvenience also.
The specific embodiment
A kind of automatic assembling machine for automobile door hinge, the transmission rotating disk 20 that described assembly machine comprises annular slab 10 and is arranged at annular slab 10 middle parts, described transmission rotating disk 20 rotates for batch (-type), be furnished with the anchor clamps 30 corresponding to the operation number on its card, also be provided with the delivery device 40 that moves radially along transmission rotating disk 20 cards for pushing anchor clamps 30 on the described transmission rotating disk 20, be furnished with clamp positioning mechanism 50 and operation executing agency 60 on the described annular slab 10 plate faces, described delivery device 40 has two location status, one of them stretches out transmission rotating disk 20 to location, clamp positioning mechanism 50 places so that operation executing agency 60 carries out this procedure assembling for pushing anchor clamps 30, another location status for this procedure finishes rear drive anchor clamps 30 retract and transmit rotating disks 20 and break away from the clamp positioning mechanism 50 of this procedure assembling position, as Figure 1-3.
As the present invention further optimization scheme, can realize the accurate location for anchor clamps 30 for guaranteeing clamp positioning mechanism 50, to guarantee that operation executing agency 60 is for normal assembling and the orderly function of the present invention of this procedure, the present invention has made following optimal design to such scheme: shown in Fig. 4-5, described clamp positioning mechanism 50 comprises the first detent mechanism 51, described the first detent mechanism 51 profiles are the closing in shape flute profile of opening upwards, its flute length direction overlaps with the propelling movement direction that delivery device 40 is carried out this procedure, described anchor clamps 30 comprise the guide wheel 31 that is arranged at its below, consisting of between the bottom land of described guide wheel 31 and the first detent mechanism 51 rolls cooperates, and 30 liang of flanks 32 of described anchor clamps cooperate with the cell wall of the first detent mechanism 51 and 511 formations of two medial surfaces clamping of formation notch.During real work of the present invention, delivery device 40 pushes anchor clamps 30 and stretches out transmission rotating disk 20 to clamp positioning mechanism 50 places, rely on the first detent mechanism 51 and delivery device 40 actings in conjunction tentatively to retrain all directions displacement of anchor clamps 30, to realize the Primary Location of clamp positioning mechanism 50 relative anchor clamps 30.
Further, for increasing the location accuracy of above-mentioned clamp positioning mechanism 50, again above-mentioned the first detent mechanism 51 that consists of the clamping cooperation is done the secondary location with anchor clamps 30 herein, shown in Fig. 4-5, clamp positioning mechanism 50 also comprises the alignment pin 52 of the vertical annular slab 10 plate faces setting that is positioned at the first detent mechanism 51 bottom lands, described anchor clamps 30 bottom correspondences offer the locating hole 32 that cooperates with it, alignment pin 52 has two location status, one of them is for stretching out the first detent mechanism 51 trench bottoms and cooperating with positioning fixture 30 with locating hole 32, another location status is the retraction original position and breaks away from locating hole 32, and alignment pin 52 herein can drive to realize its elemental motion as power according to the cylinder that is placed in annular slab 10 plate faces below.
Further, stability for the secondary location of guaranteeing above-mentioned clamp positioning mechanism 50 relative anchor clamps 30, shown in Fig. 4-5, described alignment pin 52 and locating hole 32 are two, simultaneously, described alignment pin 52 profiles are the multidiameter shape, and its end diameter is consistent with the diameter of locating hole 32, and described clamp positioning mechanism 50 numbers are consistent with anchor clamps 30 numbers.Like this, when alignment pin 52 small end cooperate with locating hole 32 and carry out location to anchor clamps 30, the bottom surface that is positioned at shoulder section on the alignment pin 52 and anchor clamps 30 is inconsistent, force anchor clamps 30 lifting under the effect of the power that is subjected to alignment pin 52 shoulder sections, two flanks 32 of anchor clamps 30 tightly are resisted against on two medial surfaces 511 of formation notch of the first detent mechanism 51, thereby the stability of anchor clamps 30 relative operation executing agencies 60 when having guaranteed greatly practical set is for the normal operation of the present invention provides Reliable guarantee.
Further, the weight of considering anchor clamps 30 itself is heavier, also be in order to retrain the traffic direction of anchor clamps 30 simultaneously, so that anchor clamps 30 move along set direction on transmission rotating disk 20, delivery device 40 is described as follows: described delivery device 40 comprises that radial arrangement is in transmitting the first guide rail 41 on the rotating disk 20 and being used for pushing the cylinder that anchor clamps 30 move along the first guide rail 41 herein, described the first guide rail 41 consists of rolling with 31 on the guide wheel of anchor clamps 30 and cooperates, described the first guide rail 41 channeling directions overlap with the propelling movement direction of the corresponding operation of execution of delivery device 40, as Figure 1-3.
Further, described transmission rotating disk 20 profiles are in the form of annular discs, described annular slab 10 middle parts offer the through hole identical with transmitting rotating disk 20 profiles, described transmission rotating disk 20 is arranged at the through hole, simultaneously, for simplifying its structure, be convenient to produce and operation, as Figure 1-3, the angle number of degrees that the propelling movement path of each adjacent two delivery device 40 on described transmission rotating disk 20 cards consists of equate, the angle of described transmission rotating disk 20 each intermittent rotaries equals the angle number of degrees that the propelling movement path of each adjacent two delivery device 40 consists of.
For specializing such scheme, the required feed that carries out when usually assembling take hinge-wear encloses-wears pin-revolve riveting-survey to turn round-six operations of discharging as example, as Figure 1-3, described annular slab 10 profiles are the regular hexahedron shape and divide equally six intervals that are used for placing operation executing agency 60 at its plate face, described detent mechanism 50 is six and is positioned over one by one respective bins, and the number of described operation executing agency 60, anchor clamps 30 and delivery device 40 is consistent with detent mechanism 50 numbers.That is to say, push anchor clamps 30 to realization location, detent mechanism 50 places whenever 20 60 ° of the rotations of transmission rotating disk and by delivery device 40, all can wherein one go on foot assembly process by 60 realizations of operation executing agency, constantly circulate repeatedly, thereby reach the purpose of High-efficient Production.
Further, the card of described transmission rotating disk 20 is concordant with the plate face height of annular slab 10 and all be positioned at horizontal plane, for ease of reliably locating in delivery device 40 propelling movement anchor clamps 30 to first detent mechanisms 51, described annular slab 10 is provided with the second guide rail 11 at the first detent mechanism 51 trench bottoms, described the second guide rail 11 consists of rolling with 31 on the guide wheel of anchor clamps 30 and cooperates, simultaneously, described the second guide rail 11 channeling directions overlap with the channeling direction of the first guide rail 41 and both adjacent end identical along stretching each other, thereby anchor clamps 30 can be realized reliable transition between two sections guide rails when guaranteeing real work.
Found out by above-mentioned, need rely on a large amount of auxiliary equipment assembly is carried out resetting and to carry out the clamping operation and compare with hinge assemblies line that existing orthoscopic is arranged, the present invention is after anchor clamps 30 are carried out clamped one time, namely finish whole assembly processes around these anchor clamps 30 for the basis, removed from repeat discharging, clamping in the assembling process, locate the required a large amount of signals collecting of again clamping, the shortcoming that equipment cost is high, reliability is low that treatment system is brought, simultaneously the present invention has greatly improved the uniformity of assembly quality and quality, has also greatly improved Assembling Production efficient.
This hinge assemblies flow process of sentencing that feed-wear encloses-wear six procedures of pin-revolve riveting-survey to turn round-discharging is example, and the course of work of the present invention is as follows:
(1), as shown in Figure 1, the first guide rail 41 is the second guide rail 11 of this procedure of centering respectively, each anchor clamps 30 stretches out transmission rotating disk 20 to independent, fixing clamp positioning mechanism 50 places along guide rail and realizes the location under delivery device 40 effects, carry out the feed action to material level, other operation executing agencies 60 carry out respectively the assembling of this procedure simultaneously accordingly, do not interfere with each other between the operation.
(2), as shown in Figure 2, after the whole actions of the operation of each operation executing agency 60 were finished, delivery device 40 drive anchor clamps 30 were retracted and are transmitted rotating disks 20, and while anchor clamps 30 break away from the clamp positioning mechanism 50 that this procedure assembles the position;
(3), shown in Fig. 2-3, transmit 60 ° of rotating disk 20 rotations, the first guide rail 41 is the second guide rail 1 of centering next procedures respectively;
(4), after each rail pair finishes, repeat first step, so repeatedly.
The present invention is in course of action, and the rotary work rhythm of transmission rotating disk 20 is as the criterion with the required time of certain the longest procedure of 40 performed times of operation executing agency.