CN201086326Y

CN201086326Y - Highly suitable automatic beam cutter special for electronic factory

Info

Publication number: CN201086326Y
Application number: CNU2007200534447U
Authority: CN
Inventors: 计振国
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-06-28
Filing date: 2007-06-28
Publication date: 2008-07-16
Anticipated expiration: 2017-06-28

Abstract

The utility model relates to a highly applicable automatic blanking machine for special use of factories in the electronic industry, in particular to a high efficiency and highly applicable automatic blanking machine, which is relatively noiseless and environmentally protective, and is used in production of the electronic component manufacturing industry. The utility model is primarily used for precisely blanking very thin sheet metal strips (also called 'electronic component carriers', or 'strips' for short) which have been blanked in the preceding process under general situations. The complete machine is driven to run at a low speed by a motor. Accordingly, compared with ordinary pneumatic machines, the fluid blanking machine is almost noiseless and free from contamination. The frame and the die system of a blanking system are designed to be integrated according to the industrial characteristics so that 1. in the die system, strips are guided more precisely, and modules are accurately positioned, thus improving the performance life of a knife; 2. the utility model facilitates standard design of dies and application of the group technology; 3. when the strips of different specifications and varieties are replaced, the die is replaced quickly and conveniently.

Description

The height of a kind of electron trade factory special use is suitable for automatic die cutter

Technical field:

The utility model relate to electron trade produce in to a kind of very thin, the sheet metal strip of still crossing through front operation stamping-out (or being referred to as carriers for electronic components again) is called for short the bicker that strip carries out accurate punching generally speaking.

Background technology:

At present, this public class bicker is pneumatic entirely, and spies such as cylinder are easy to generate great noise.This class bicker mainly is made up of die-cut system and feed system.The master cylinder of putting in the die-cut system promotes mould bases downwards.Mould bases is generally, and following mould bases adds the guide pillar of two biasings, and a mold is installed in the mould bases again.Because there is bigger eccentric throw the mould bases and the cylinder momentum effect position that have two biasing guide pillars, so the guiding accuracy to mould neither be fine among practicality, so cutter damage easily, and when the strip specifications vary more mold exchange also compare numb numerous.Comprise feed mechanism and accessory system in the feed system, accessory system is that the common strip that will be rolled into plate-like is rolled up and put and mechanism such as backrush and some supporting plates and so on.The feed mechanism of this feed system is also used cylinder entirely, because being provided with many holes for satisfied propelling movement step pitch, strip also has some relief cylinders in addition so this class type noise is especially big so feed mechanism also will be provided with the thimble cylinder, this class machine is controlled with PLC usually, cylinder is also expensive, but also need use compressed air thereby cost are very high.

The utility model content:

The purpose of this utility model is that a kind of both do not had noise and pollution will be provided, and cost is low again, the precision height, and cutter life is long, is convenient to standardized designs and management, is convenient to the bicker that is applied to electron trade of the high applicability of high sexual valence of die change.

The technical solution of the utility model:

One main body support, camshaft is loaded on wherein, and camshaft one end connects with the motor that has reductor.Each cam rotates on the motor driving shaft.It is die-cut downwards that die-cut cam (also can adopt eccentric wheel, eccentric wheel also is a kind of form of cam) draws (or top) dynamic head lever to make it promote patrix downwards by follower lever.Patrix, pressing plate or also have counterdie by precision positioning and snugly fit into the accurate guiding of guide pillar on the support datum level is because the pressure head of pressure head lever front end acts on the patrix center or claim the heart among the guide pillar group again, so guide pillar is not subjected to transversal force basically.The downward power of pressure head is used in and makes patrix core rod (upper slitter) align die-cut (the comprising strip) of counterdie core rod (following cutter).The cover plate on plane, guide pillar top is provided with the bullet Huang so it can be given patrix even comprise that depression bar provides backhaul power owing to be installed in.Common mould is mainly by patrix, upper mold core (deserving to be called cutter again), and stripper (claiming pressing plate again), counterdie, lower mold core (claiming cutter down again) waits composition, its patrix and pressing plate to be generally elastic coupling to control the auxiliary control of position pin in addition, and patrix drive pressing plate moves together.The mould mode of novelty of the present invention also can be installed and adopt to the utility model except that also can installing and using this conventional mould; Its thinking is such, that is: be by the bullet Huang in view of its pressing plate of common mould (stripper) and the control position is sold and the patrix elastic coupling causes pressing plate to push down of short duration shortcoming of strip time, the expansion that the lever pressurized head systems of the utility model can be given, that is, one cover driving mechanism independently is provided separately can easy to doly for pressing plate according to the advantage of the utility model kinematic system.Specifically be to implement like this: adorn a pressing plate cam on camshaft, the pressing plate cam draws (or top) dynamic pressure plate lever motion by follower lever.The revolution fulcrum of pressing plate lever is located on the support, and the pressing plate lever is connected with the pressing plate higher pair by pin.Equally, the backhaul of pressing plate lever also can be adopted spring, has so just realized the knee-action of pressing plate.

Requiring under the mould that has has the top of going up mechanism, and the present invention also can accomplish this point easily.As long as under camshaft is positioned at mould, locate to install a backform cam and install below the support follower lever mechanism just can realize mould from bottom to top on the top function.

The horizontal drive cam of installing on the camshaft is used to drive the feeding campaign that feed system is made horizontal direction.This cam be installed in feed system on mechanism do rigidity or flexible the contact, and drive feed system by its and make horizontal motion.May influence the accuracy of feeding position owing to consider the rigidity contact, so the utility model recommends to adopt Elastic Contact (chat mechanism on being about to and make elastic device).Reason is such: when cam is delivered to feed system because feed system has stopping means, feed system can not be moving towards this direction again, but cam still can continue exert pressure slightly towards this feed direction to this system by elastic device, so just can solve in long-term work not can because of cam extremely the wearing and tearing of connecting portion cause the inaccurate phenomenon of feeding position.The embodiment of this mechanism can adopt a rubber tire or the yellow mechanism of bullet to contact all with cam can realize it.The backhaul of feed system can add stopping means by the bullet Huang of pulling back and realize.And the volume at slave part in the feed system such as strip two ends is put, and device and strip supporting plate and so on etc. are got in backrush still can adopt traditional approach, presents no longer to detailed description.

Description of drawings:

Fig. 1 is an assembling schematic diagram of the present utility model:

Fig. 2 is an assembling schematic diagram of the present utility model view before:

Fig. 3 is the left view of assembling schematic diagram of the present utility model:

Fig. 4 removes support for Fig. 3, the front view of the feed system behind the mould etc.:

Fig. 5 recommend for the utility model one is about support, transmission, and lever, the embodiment of mold system assembles schematic diagram:

Fig. 6 is the left view figure of Fig. 5:

The specific embodiment:

Fig. 1,2,3rd, installation diagram of the present utility model and front view and left view.Camshaft 15 is installed on the support 14, the rear end of axle and motor 39 connect, on the axle a plurality of cams are housed and drive follower lever 35 respectively, 29 and feed mechanism etc., follower lever 29 is connected with pressure head lever 28 pins by contiguous block 20, and pressure head rear end and support connect the pivoting support point that forms lever with bearing pin, pressure head lever front end contacts in the higher pair mode with part of the upper die 25 in the center position of four guide pillars 24, motor rotating band moving cam (cams is selected eccentric wheel for use herein) its by follower lever, thereby contiguous block drive the pressure head lever to press down finish die-cut.It is to help to improve guide pillar rigidity that four guide pillar 29 tops are equipped with cover plate one, and the bullet Huang of second installing on the cover plate provides the backhaul power of patrix.In like manner, end is connected to form lever pivoting support point by bearing pin 34 and support before pressing plate (stripper) lever 21, be connected in higher pair (slotted hole) mode with pressing plate 16 with pin in the middle of the lever, cam 18 is finished clamp loose to the pressing of counterdie and strip 13 by top on the follower lever, when cam by peak yellow 16 missions of finishing to press of bullet when the some direction is rotated at the end.Feed system is installed in the support below, and it is by feeding grillage 9, and cam touches part 5, straight line

ball slide block

2,7, front and back

limit base mechanism

12,3 compositions such as grade.Ejector pin mechanism 8 is housed on the feeding grillage, and this place ejector pin mechanism is intended adopting the solenoid actuated mode, and when electromagnet was switched on, the thimble on its top of solenoid actuated made thimble upwards by (see figure 2) in the step pitch hole of the insertion of the slotted eye on the strip supporting plate 37 strip 13.Feed system is seen Fig. 4.Fig. 4 is for removing part such as support among Fig. 2 but stayed the feed system view before of the cam 15 of axle 14 and front end.Cam touches part 5 fixedly on the feeding grillage, and camshaft 14 clockwise rotates cam 15 and touches part 5 by cam and drive cradles and move right.When cam forwarded peak to, part 9 moved to the limit on the right-right-hand limit position, and began by a high position when low direction is rotated when cam, and part 9 is pulled back by the spring 10 that is installed on the limit base of back.The limit on the left position of part 9 is determined by the banking pin that is installed on the part 3.Can have influence on the accuracy of limit on the right-right-hand limit position owing to consider wearing and tearing that cam and cam year in and year out touch part, the utility model provides so a kind of design philosophy: cam is touched part 5 make a kind of elastic component, part 9 motion is to the right lived by the limit of the banking pin on the front limit seat on the right when cam runs near highest order, at this moment, cam does not also turn to highest order so it still leaves a less displacement of promotion to the right, and be designed to elastic component and just can address the above problem as long as cam is touched part this moment.Among Fig. 4, part 5 is designed to a rubber tire, utilizes its strain to absorb this section displacement, but its elastic resistance should be greater than the pull-back forces of the spring 10 of back on (left side) limit base to guarantee accurate location to the right.

Fig. 5, the 6th, another kind of the present utility model is embodiment preferably, for giving top priority to what is the most important, puts forth effort to show frame and main transmission and mold system, has removed the end class and motor that is connected with shaft coupling 15 or the like of feed system and installation among the figure from.Fig. 5, in 6, two axles up and down are housed on the support, the power of lower shaft 23 passes to axle 5 by gear 7, the cam 4 that install on last axle 5 left sides contacts with the follower head place of pressure head lever 9, cam makes pressure head lever 9 rotate around being installed in support upper pin 21 when rotating, when cam rotated toward the peak direction, the pressure head lever rear end is tilted upward then, and to drive the part of the upper die downwards die-cut downwards in front end pressure head end.The cam 4 that has also installed last axle front, it contacts with pressing plate lever 12, the pressing plate lever is connected with support by bearing pin 22, bearing pin 22 is the revolution fulcrum of pressing plate lever 12, pressing plate lever low order end is connected slotted hole on the attached plate 11 by pin and is the higher pair mode and connects with pressing plate, it pressed down pressing plate by the pressing plate lever when cam moved toward high point, and spring 20 upwards lifted pressing plate by pressing plate lever 12 when cam moved downward.Notice that the pressing plate lever begins to export to the contact point place that pressing plate connects attached plate 11 to it in the input point by the power of cam and ends, and an elastic link must be set, to guarantee systemic-function in the structure somewhere of pressing plate lever 12.Also show two cams about having installed on the lower shaft below the support among the figure; The cam on the left side is used to drive feed system, the cam on the right be used in those have need be below counterdie the mould occasion of the functional requirement on top up, just passable as long as a follower lever system is installed on support above this cam when the time comes.

Claims

1. be used for strip is carried out die-cut automatic die cutter in an electronic component manufacturing, mainly by punching mechanism, feed mechanism, composition such as mould and support, it is characterized in that: each motion of mechanism of complete machine by the motor of motor or subsidiary reductor via be installed in axle on the support and connect and import, axle on the support is equipped with gear, cam is formed transmission system, gear is used for moving between transmitter shaft, cam drives motion as the mould each several part by each driven member, various motions of feed mechanism or the like, the orderly coordination between the various motions of machine system are effective assurances of transmission system by accurate design.

2. automatic die cutter according to claim 1, it is characterized in that mold system relates to support, support is a cope match-plate pattern, stripper or abbreviation pressing plate, the benchmark that lower bolster etc. position and install, the guide pillar of mold system both can be contained in and also can directly be loaded on the template on the support benchmark, and the lever pressure head touches application point to the pressure of part of the upper die and is among each guide pillar on the heart location point, and each template is set up precise positioning relation and movement relation by guide pillar.

3. according to claim 1 and 2 described automatic die cutters, it is characterized in that: be generally copper material and extremely thin again characteristics according to its strip in the electron trade, support datum level entity also can directly replace counterdie, guide pillar directly is contained on the support, is contained in the benchmark place that cutter then can adopt a thin type blade to be installed on support under the lower mold core abbreviation in the counterdie usually and gets final product.

4. according to claim 1 and 2 and 3 described automatic die cutters, it is characterized in that guide pillar upper end installation one cover plate, cover plate is provided with spring assembly to provide backhaul function to the part of the upper die.

5. according to claim 1 and 2 and 3 described automatic die cutters, it is characterized in that transmission system can require to carry out simple and easy or complicated design according to the motion of different type of machines, simple and easy as only as long as axle and cam, complicated as the many trains of multiaxis in addition also comprise long term distance with the transmission system of sprocket wheel etc. and different support, rack construction.

6. automatic die cutter according to claim 1, it is characterized in that support and feed system are installed on the framework soleplate, horizontal drive cam on the camshaft is done rigidity or flexible the contact with the driven member on being installed in feed system, and makes horizontal motion by its driving feed system.