Die bond machine swing arm compound motion module
Technical field
The utility model relates to die bond machine technology field, especially relates to die bond machine swing arm compound motion structure.
Background technology
Die bond machine is the visual plant of producing light-emitting diode (LED), its workflow is as follows: first feeding system is transported to the die bond support in storage device on charging channel, die bond support moves and rests on along charging channel and determines on position subsequently, at this moment the point glue equipment on support is put adhesion substance automatically, i.e. adhesion substance on the crystal bonding area point of die bond support, then get chip by swing arm from wafer disks, and by die bonding to the crystal bonding area of die bond support, complete die bond.Production process, swing arm need to rotate and the compound motion of lifting, and shown in Fig. 1, traditional die bond machine is in order to realize the compound motion of swing arm, swing arm 91 is fixed on to the lower end of splined shaft 92, and splined shaft 92 upper ends are connected with shift mechanism 94 after wearing socket one runner 93.When work, utilize spline structure, can realize runner 93 and drive splined shaft 92 to rotate, can meet again shift mechanism 94 splined shaft 92 is lifted to rectilinear motion, drive swing arm 91 to rotate and the compound motion of lifting thereby reach splined shaft 92; This tactic pattern has following shortcoming: 1, spline structure difficulty of processing is large, and cost of manufacture is high.2, along with the progress of work, between splined shaft 92 and runner 93, spline structure friction increases, and fit clearance also increases thereupon, occurs driving error, is reacted to thus the kinematic error of swing arm 91, causes swing arm 91 to be worked inaccurate, affects the quality of production, and fraction defective is high.3, quite inconvenience of daily nursing.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, and a kind of easily processing and fabricating is provided, and having stable behavior, precision are high, are applicable to the die bond machine swing arm compound motion module that industry is utilized.
For achieving the above object, the utility model adopts following technical scheme:
Die bond machine swing arm compound motion module, comprises swing arm, rotating shaft, and rotating shaft drives a rotating seat to rotate, and swing arm is connected with rotating seat by guide frame, and swing arm is driven by elevating mechanism and along the axial lifting of rotating shaft.
Such scheme is further: described rotating seat is fixedly installed on the lower end of rotating shaft, and elevating mechanism has one and lifts axle, and the lower end and the swing arm that lift axle are connected, and the upper end that lifts axle wears the mesopore of rotating shaft and extends on backward and connect the power source of elevating mechanism.
Such scheme can also be: described rotating seat is fixedly installed on the lower end of rotating shaft, and elevating mechanism has an ejection axle, the ejection swing arm from lower to upper of ejection axle.
Such scheme can also be: described rotating seat is fixedly installed on the lower end of rotating shaft, rotating seat is provided with the first guide slide and the second guide slide, the first guide slide and the second guide slide are distributed on the not ipsilateral of rotating seat, installation is established in two swing arms respectively corresponding the first guide slide and the second guide slide group, and the be connected axle that lifts of the first elevating mechanism of one swing arm, extends and connects the power source of the first elevating mechanism on mesopore that this upper end that lifts axle wears rotating shaft is backward; The be connected ejection axle of the second elevating mechanism of another swing arm, this swing arm of ejection from lower to upper of this ejection axle.
In such scheme: described elevating mechanism is eccentric wobble crank mechanism.
Be compared with the prior art, the utility model beneficial effect is: drive a rotating seat to rotate with rotating shaft, and the relative rotating seat elevating movement of swing arm, realize thus that swing arm rotates and the compound motion of lifting, avoid the defect of conventional spline tactic pattern, reach easy processing and fabricating, cost is low, having stable behavior, precision are high, and the effect of long service life is applicable to industry utilization.
brief description of the drawings:
The structural representation that accompanying drawing 1 is prior art;
Accompanying drawing 2 is the utility model one example structure schematic diagram;
Accompanying drawing 3 is its two example structure schematic diagram of the utility model;
Accompanying drawing 4 is the rotating seat structure schematic diagram of its three embodiment of the utility model;
Accompanying drawing 5 is implemented schematic diagram for Fig. 4.
embodiment:
Below in conjunction with accompanying drawing, the utility model is further illustrated:
Consult shown in Fig. 2 ~ 5, the utility model is about a kind of die bond machine swing arm compound motion module, comprise swing arm 1, rotating shaft 2, rotating shaft 2 drives a rotating seat 3 to rotate, rotating seat 3 can or be combined to form with rotating shaft 2 integral productions, swing arm 1 is connected with rotating seat 3 by guide frame, and swing arm 1 is driven by elevating mechanism and along the axial lifting of rotating shaft 2.When work, rotating shaft 2 drives a rotating seat 3 to rotate, and relative rotating seat 3 elevating movements of swing arm 1, realizes thus that swing arm 1 rotates and the compound motion of lifting, meets die bond production requirement.
Figure 2 shows that the utility model one example structure schematic diagram, wherein, described rotating seat 3 is fixedly installed on the lower end of rotating shaft 2, rotating seat 3 is provided with T shape guide slide (first and second guide slide version as shown in Figure 4), the assembling end of swing arm 1 is provided with the sliding dress portion that coordinates the assembling of this T shape guide slide, utilizes sliding dress portion to realize swing arm 1 with the assembling of T shape guide slide and is connected also energy relative sliding with rotating seat 3.And elevating mechanism has one and lifts axle 4, the lower end and the swing arm 1 that lift axle 4 are connected, and the upper end that lifts axle 4 wears the mesopore 21 of rotating shaft 2 and extends on backward and connect the power source of elevating mechanism.When work, rotating shaft 2 drives a rotating seat 3 to rotate, and swing arm 1 is followed rotating seat 3 and rotated, the axle 4 that lifts of elevating mechanism drives lifting to swing arm 1 simultaneously, realize relative rotating seat 3 elevating movements of swing arm 1, realize thus that swing arm 1 rotates and the compound motion of lifting, meet die bond production requirement.In the present embodiment, the upper end that lifts axle 4 wears the mesopore 21 of rotating shaft 2, and the mesopore 21 of rotating shaft 2 has guide hole effect, and protection lifts axle 4 guiding and lifts axle 4 and do straight line elevating movement, compact conformation, rationally.
Figure 3 shows that its two example structure schematic diagram of the utility model; Wherein, described rotating seat 3 is fixedly installed on the lower end of rotating shaft 2, rotating seat 3 is provided with T shape guide slide (first and second guide slide version as shown in Figure 4), the assembling end of swing arm 1 is provided with the sliding dress portion that coordinates the assembling of this T shape guide slide, utilizes sliding dress portion to realize swing arm 1 with the assembling of T shape guide slide and is connected also energy relative sliding with rotating seat 3.And elevating mechanism has an ejection axle 5, ejection axle 5 is ejection swing arm 1 from lower to upper, and rotating shaft 2 can be solid or hollow-core construction.When work, rotating shaft 2 drives a rotating seat 3 to rotate, and swing arm 1 is followed rotating seat 3 and rotated, the ejection axle 5 of elevating mechanism is to swing arm 1 push-and-pull lifting simultaneously, realize relative rotating seat 3 elevating movements of swing arm 1, realize thus that swing arm 1 rotates and the compound motion of lifting, meet die bond production requirement.
Fig. 4,5 is depicted as its three example structure schematic diagram of the utility model, rotating seat 3 is fixedly installed on the lower end of rotating shaft 2, rotating seat 3 is provided with the first guide slide 31 and the second guide slide 32, the first guide slide 31 and the second guide slide 32 are distributed on the not ipsilateral of rotating seat 3, in the present embodiment, the T shape that the first guide slide 31 and the second guide slide 32 are evagination, installation is established in two swing arms 1 respectively 32 groups of corresponding the first guide slide 31 and the second guide slides, the assembling end of two swing arms 1 is provided with the sliding dress portion that coordinates that the first guide slide 31 and the second guide slide 32 assemble, sliding dress portion is the C shape mouth (not shown) that coupling T shape structure embraces connection, meet thus directional sliding dress and can limit other direction, reach the compound motion requirement of rotation and lifting.In two swing arms 1 of the present embodiment, what one swing arm 1 was connected the first elevating mechanism lifts axle 4, and this upper end that lifts axle 4 wears the mesopore 21 of rotating shaft 2 and extends on backward and connect the power source of the first elevating mechanism; The be connected ejection axle 5 of the second elevating mechanism of another swing arm 1, this swing arm 1 of ejection from lower to upper of this ejection axle 5; Specific works principle is consistent with first and second above-mentioned embodiment, does not repeat them here.The present embodiment is realized double-pendulum arms work, contributes to promote die bond speed and efficiency.Shown in Fig. 5, two swing arms 1 relation that has angle, realizes and gets chip from the both sides wafer disks of crystal bonding area, and by die bonding to die bond support.
In the utility model, described elevating mechanism is eccentric wobble crank mechanism, and the drive end that lifts axle 4 or the ejection axle 5 eccentric rocking bar that is articulated and connected, also can suitably embed bearing in hinge position, while meeting lifting, lifts axle 4 or ejection axle 5 and also can rotate relative to eccentric rocking bar.Certainly, elevating mechanism of the present utility model is also extensible for the power cylinder mechanism of stretching, and equally also can reach the requirement of lifting.
The utility model drives a rotating seat to rotate with rotating shaft, and the relative rotating seat elevating movement of swing arm, realize thus that swing arm rotates and the compound motion of lifting, avoid the defect of conventional spline tactic pattern, reach easy processing and fabricating, cost is low, and having stable behavior, precision are high, the effect of long service life, is applicable to industry utilization.
Certainly; the utility model also can have other various embodiments; in the situation that not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and modification according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.