CN205211710U - DIP chip fin shaping device - Google Patents

Abstract

The utility model discloses a DIP chip fin shaping device, adopt mechanized continuous plastic operation device, comb the notch through preceding wide back narrow loudspeaker form and carry out the coplane repairment to the pin, a pairing rotation spirochaeta vertical direction top -down carry out the face to the pin in crooked repairment, two pairs of pair of rollers pins carry out three processes of coplane finishing, this device overall structure is compact, by each trimming device of separate unit motor drive, on a conveyer belt, the continuous high -efficient plastic operation to DIP chip fin has been realized, reach the high efficiency, high quality plastic and not fragile pin effect.

Description

A kind of DIP chip pin apparatus for shaping

Technical field

The utility model relates to a kind of DIP chip pin apparatus for shaping, and the pin shaping being exclusively used in DIP chip processes with playback, belongs to the Shape correction equipment technical field of semiconductor or solid state device.

Background technology

Developing rapidly of information and electronics industry, DIP chips get is widely used in various electric equipment products, DIP dual in-line package IC chip adopts perforation to install, be conducive to wiring and welding, along with technological progress and model change are accelerated, in the electronic product be eliminated in a large number, there is a considerable amount of DIP chip to pull down and be separately used as him, possesses higher economic worth, but these DIP chips reclaimed are often in dismounting, transport and management process in, there is the mechanical deformations such as bending or crooked in pin, thus affect follow-up detection and reuse, therefore, pin finishing is carried out to recovery DIP chip, simplify follow-up reuse technology process, reduce processing cost, realize the recycling of resource, the important means promoted sustainable development.Meanwhile, reclaim DIP chip for increasing, in the urgent need to a kind of plant equipment, pin shaping can be carried out to DIP chip continuously, fast and efficiently.

Domestic and international existing DIP chip pin apparatus for shaping or equipment are as Chinese invention patent " encapsulating IC chip pin trimming device based on the DIP reclaimed " (application number: 201210325823.2), it is a kind of unit platform apparatus for shaping rolling formula handwork, its weak point is: can not meet efficient shaping requirements in enormous quantities, reforming process is manual operation, speed is slow, particularly in reforming process, this rigid calendering formula operation, very easily excessively elongation even pulls apart pin; Patent of invention " a kind of whole footer device for integrated circuit and base pin facelift method " (application number: 200710093816.3) disclose and used eccentric wheel, spring and vacuum WAND device in reforming process, high-quality shaping can be carried out to pin, but this equipment needs manual operation when the first eccentric wheel running, and vacuum WAND also needs manual operation when drawing integrated circuit, this reduces the operating efficiency of device; 201020566302.2) etc. other such as invention or new patent " apparatus for trimming pin " (application number: CN200820056567.0), " a kind of trimming device being applicable to LED " (notification number: CN103658451A), " pin reshaping board of integrated circuit " (application number: disclosed in, all have that operating efficiency is low, shaping feature is single or shaping quality is poor, and the drawback such as fragile pin during shaping.

Summary of the invention

The utility model object is for problem described in background technology, design a kind of DIP chip pin apparatus for shaping, adopt the continuous plastic operation device of mechanization, by crooked finishing in the coplanar finishing to pin, face, the coplanar finishing three process of pin, on a conveyer belt, achieve the continuous high-efficient plastic operation to DIP chip pin, reach efficient, high-quality shaping and not fragile pin effect.

The technical solution of the utility model is: a kind of DIP chip pin apparatus for shaping, is the high-quality apparatus for shaping that a kind of biserial pin for DIP chip (17) realizes mechanizeding continuous operation, it is characterized in that:

Comprise: frame (1), upper casing (30), transmission and control device, conveying device and, the first burring machine, the second burring machine and the 3rd burring machine that are connected successively;

Described frame (1) is the installation supporting body of described each device and each mechanism, and described upper casing (30) is the housing being fastened on frame (1) top;

Described first burring machine is the coplanar burring machine of biserial, for repairing the biserial pin of DIP chip (17), reaches the co-planar with DIP chip (17) plane perpendicular; Described second burring machine is askew pin burring machine in face, and the finishing for crooked pin each in biserial pin is straight with row; Described 3rd burring machine is coplanar finishing mechanism, for carrying out last coplanar finishing to the biserial pin after the second burring machine finishing, and makes the biserial pin of DIP chip (17) return to state when dispatching from the factory that is similar to;

Described conveying device comprises: front guide bracket (2), conveyer belt (8), rear guide bracket (16), also comprise the spacing fastening strip (18) be set in upper casing (30), described conveyer belt (8) is multiple row V-shape belt, described front guide bracket (2) is positioned at the front end of conveyer belt (8), described rear guide bracket (16) is positioned at the rear end of conveyer belt (8), described conveyer belt (8) moves ahead for carrying DIP chip (17) average rate, describedly treat that the DIP chip (17) of shaping pin is placed in front guide bracket (2), import on conveyer belt (8) again, under the spacing and clamping action of described spacing fastening strip (18), enter after the first to the 3rd burring machine repairs successively, be resent in rear guide bracket (16) and send,

Described transmission and control device comprise: main shaft (3) and the gear wheel (20) be connected on main shaft (3) and worm gear (5), also comprise: conveyer belt (8) drive unit, the second burring machine drive unit, the 3rd burring machine drive unit and, the speed-regulating control device of described each drive unit.

A kind of DIP chip pin apparatus for shaping described above, it is characterized in that: described first burring machine comprises a carding apparatus (7), described carding apparatus (7) there are two combing notches arranged side by side, described combing notch is front wide and rear narrow horn-like structure, the biserial pin of described DIP chip (17) slips over respectively from notch, setting: connect and meet DIP chip (17) pin place width of rebate a and equal to send 5 ~ 10 times of DIP chip (17) pin place width of rebate b, send DIP chip (17) pin place width of rebate b >=0.25mm.

A kind of DIP chip pin apparatus for shaping described above, it is characterized in that: described second burring machine comprises two rotating auger (9) being arranged symmetrically in conveyer belt (8) both sides, described rotating auger (9) there is the spiral groove of gradual change, the rotation direction of two spiral grooves is contrary each other, the groove width of described spiral groove is front wide and rear narrow shape, setting: connect and meet DIP chip (17) pin place groove width c and equal (1.5 ~ 2) and doubly send DIP chip (17) pin place groove width d.

A kind of DIP chip pin apparatus for shaping described above, it is characterized in that: described 3rd burring machine comprises row four rolling (11) altogether, described roller (11) is arranged symmetrically in the both sides of conveyer belt (8), form two pair rollers, every pair roller is all for rolling two row pins of straight DIP chip (17).

A kind of DIP chip pin apparatus for shaping described above, it is characterized in that: described conveyer belt (8) drive unit comprises: driving shaft (4) and directive wheel (15), described driving shaft (4) is fixed with driving wheel (27) and pinion (28), described pinion (28) engages with the gear wheel (20) that described main shaft (3) is connected, and described driving wheel (27) rotates for driving conveyer belt (8);

Described second burring machine drive unit is for carrying out longitudinal combing from top to bottom in the vertical direction to DIP chip (17) pin, comprise: major axis (6), first Timing Belt (10), first rotating shaft (32), second rotating shaft (33) and be connected in the upper rotating auger (9) of first and second rotating shaft respectively, also comprise commutation train (31), described commutation train (31) is two pitch wheels pair, (6) are fixed with worm screw to described major axis successively, first synchronous pulley (23), first bevel gear (12), described worm screw engages with the worm gear (5) that described main shaft (3) is connected, described first synchronous pulley (23) is engaged with described first Timing Belt (10), one end of first rotating shaft (32) is fixed with the second synchronous pulley (24) engaged with the first Timing Belt (10), the other end has tumbler gear, also there is tumbler gear one end of second rotating shaft (33), tumbler gear on described first rotating shaft (32) engages with commutation train (31), tumbler gear on second rotating shaft (33) also engages with commutation train, described first synchronous pulley (10) drives the first rotating shaft (32) to rotate, described first rotating shaft (32) drives the second rotating shaft (33) and the first rotating shaft (32) opposite direction rotating by tumbler gear and commutation train (31),

Described 3rd burring machine drive unit comprises: the second bevel gear (13), vertical axis (22), 3rd synchronous pulley (25), second Timing Belt (14), 4th synchronous pulley (26), roller shaft, described second bevel gear (13) is connected in the upper end of described vertical axis (22), second bevel gear (13) engages with the first bevel gear (12), described 3rd synchronous pulley (25) is connected in the middle part of described vertical axis (22), 3rd synchronous pulley (25) engages with the second Timing Belt (14), described roller shaft has four, the lower end of each roller shaft is vertically mounted on frame (1) bottom by bearing, described four rolling (11) is connected in the top of described roller shaft respectively, on each roller shaft, middle part is also fixed with gear, four gears form two pairs of pitch wheels pair, first, the middle and lower part of the 3rd roller shaft is fixed with the 4th synchronous pulley (26), described 4th synchronous pulley (26) engages with the second Timing Belt (14).

The beneficial effects of the utility model are: adopt the continuous plastic operation of mechanization, by crooked finishing in the coplanar finishing to pin, face, the coplanar finishing three process of pin, on the conveyer belt that an average rate moves ahead, achieve the continuous high-efficient plastic operation to DIP chip pin, reach efficient, high-quality shaping and not fragile pin effect.For the DIP chip of different col width, also by the spacing changed between the first burring machine, adjustment rotating auger and the distance method adjusted between pair of rollers, realize the shaping to pin, guarantee that the DIP chip pin after shaping reaches state when dispatching from the factory that is similar to.

Accompanying drawing explanation

Fig. 1 is a kind of DIP chip pin of the utility model embodiment apparatus for shaping perspective view;

Fig. 2 is each transmission device in Fig. 1, conveying device, burring machine structural representation;

Fig. 3 is upper casing shaft side figure;

Fig. 4 is the spacing fastening strip schematic diagram of upper casing inside;

Fig. 5 is the first burring machine perspective view;

Fig. 6 is Fig. 5 vertical view;

Fig. 7 is Fig. 6 left view;

Fig. 8 is rotating auger structural representation.

Description of symbols in accompanying drawing: 1-frame, 2-front guide bracket, 3-main shaft, 4-driving shaft, 5-worm gear, 6-major axis, 7-carding apparatus, 8-conveyer belt, 9-rotating auger, 10-the first Timing Belt, 11-roller, 12-the first bevel gear, 13-the second bevel gear, 14-the second Timing Belt, 15-directive wheel, 16-rear guide bracket, 17-DIP chip, 18-spacing fastening strip, 19-major axis supporting seat, 20-gear wheel, 21-bracing frame, 22-vertical axis, 23-the first synchronous pulley, 24-the second synchronous pulley, 25-the three synchronous pulley, 26-the four synchronous pulley, 27-driving wheel, 28-pinion, 29-supporting bracket, 30-upper casing, 31-commutation train, 32-the first rotating shaft, 33-the second rotating shaft.

Embodiment

Be described further the utility model embodiment below in conjunction with accompanying drawing, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model, all make within spirit of the present utility model and principle any amendment, equivalent to replace or improvement etc., all should be included within right of the present utility model, do not address in detail in the technical program, be known technology.

See Fig. 1 and Fig. 2, a kind of DIP chip pin of the utility model apparatus for shaping, after crooked situation appears in a kind of biserial pin for DIP chip 17, by this device, this DIP chip pin is realized to the high-quality apparatus for shaping of mechanizeding continuous operation.This pin shaping device comprises frame 1, upper casing 30, transmission and control device, conveying device, and the first burring machine, the second burring machine and the 3rd burring machine.Above-mentioned various device and each mechanism are all by supporting mechanism or bearing pedestal etc., and location and installation is in the bottom of frame 1 or side, and wherein upper casing 30 is fastened on above frame 1.

First burring machine is the coplanar burring machine of biserial, for repairing the biserial pin of DIP chip 17, the pin of chip can get back to the position perpendicular to DIP chip bottom surface gradually with shaping surface, reach the co-planar with DIP chip 17 plane perpendicular, second burring machine is askew pin burring machine in face, finishing for crooked pin each in biserial pin is straight with row, the pin of chip can because the rotating auger well width of reshaping device two be shaped to vertical appearance gradually by diminishing gradually greatly, 3rd burring machine is the coplanar finishing mechanism of roller type, for carrying out last coplanar finishing to the biserial pin after the second burring machine finishing, and make the biserial pin of DIP chip 17 return to state when dispatching from the factory that is similar to.

With reference to figure 1, Fig. 2, conveying device comprises: front guide bracket 2, conveyer belt 8, rear guide bracket 16, also comprises the spacing fastening strip 18 be set in upper casing 30.Wherein conveyer belt 8 is multiple row V-shape belts, and front guide bracket 2 is positioned at the front end of conveyer belt 8, and rear guide bracket 16 is positioned at the rear end of conveyer belt 8, and conveyer belt 8 moves ahead for carrying DIP chip 17 average rate.During operation, to treat that the DIP chip 17 of shaping pin is placed in front guide bracket 2, inwardly pushed by artificial, now DIP chip is imported on conveyer belt 8, by being positioned at the spacing and clamping action of the spacing fastening strip of upper casing 30 inside, DIP chip 17 is clamped and is positioned between conveyer belt 8 and spacing fastening strip 18, and order enters after the first to the 3rd burring machine repairs, and is resent in rear the guide bracket 16 and outside sent to frame 1.

Transmission and control device comprise: main shaft 3 and the gear wheel 20 be connected on main shaft 3 and worm gear 5, also comprise conveyer belt 8 drive unit, the second burring machine drive unit, the 3rd burring machine drive unit.When driving main shaft 3 rotates, above-mentioned each drive unit i.e. run-in synchronism respectively, and main shaft 3, by outside speed regulating device, when at the uniform velocity rotating under the different gear speed set, can realize the pin finishing of different efficiency.

See Fig. 2, Fig. 5 ~ Fig. 7, in the present embodiment, first burring machine is a carding apparatus 7, this carding apparatus 7 there are two combing grooves arranged side by side, the notch of combing groove is front wide and rear narrow horn-like structure, during operation, when the biserial pin of DIP chip 17 slips over respectively from two notches, the pin of chip can with the change width of shaping surface and notch and the position got back to gradually perpendicular to DIP chip bottom surface, in the present embodiment, setting connects and meets DIP chip 17 pin place width of rebate a ≈ 1.5mm, sends DIP chip 17 pin place width of rebate b=0.3mm.

See Fig. 2, Fig. 8, in the present embodiment, the second burring machine is two rotating auger 9 being arranged symmetrically in conveyer belt 8 both sides, rotating auger 9 has the spiral groove of gradual change, and the rotation direction of this spiral grooves is contrary, and namely one is left-handed, and another is dextrorotation.The groove width of spiral groove is front wide and rear narrow shape, in the present embodiment, DIP chip 17 pin place groove width c=1.5mm is met in setting, send DIP chip 17 pin place groove width d=0.5mm, the second burring machine is for carrying out longitudinal combing from top to bottom in the vertical direction to DIP chip 17 pin.

See Fig. 1, Fig. 2,3rd burring machine is row four rolling 11 altogether, be arranged symmetrically in the both sides of conveyer belt 8, form two pair rollers, after the finishing that tooth root in the face to DIP chip 17 is crooked, when again there is pin coplanar crooked, every pair roller, all for rolling two row pins of straight DIP chip 17, realizes finally rolling of the pin of chip straight.

See Fig. 1, Fig. 2, conveyer belt 8 drive unit comprises: driving shaft 4 and directive wheel 15, as seen from the figure, directive wheel is multiple row V-shaped belt pulley, driving shaft 4 is fixed with driving wheel 27 and pinion 28, wherein pinion 28 engages with the gear wheel 20 that main shaft 3 is connected, and under the tensioning and guide effect of three directive wheels 15, driving wheel 27 drives conveyer belt 8 to rotate.

Second burring machine drive unit comprises: the first rotating shaft 32 that major axis 6, first Timing Belt 10, two is arranged in juxtaposition and the second rotating shaft 33, tumbler gear and commutation train 31, described commutation train 31 is two pitch wheels pair, first, second rotating shaft described is fixed with respectively rotation direction rotating auger contrary each other 9, major axis 6 is fixed with successively worm screw, the first synchronous pulley 23, first bevel gear 12.Described worm screw engages with the worm gear 5 that main shaft 3 is connected, and the first synchronous pulley 23 engages with the first Timing Belt 10.In the utility model embodiment, the one end being positioned at first rotating shaft 32 in left side is fixed with the second synchronous pulley 24 engaged with the first Timing Belt 10, the other end of first, second rotating shaft is fixed with tumbler gear respectively, described tumbler gear engages each other with commutation train 31 respectively, when the first rotating shaft 32 rotates, second rotating shaft 33 namely by tumbler gear and commutation train 31 relative to the first rotating shaft 32 synchronous and opposite direction rotating, reach the longitudinal carding effect carrying out from top to bottom in the vertical direction to the pin of DIP chip 17 thus.

3rd burring machine drive unit comprises: the second bevel gear 13, vertical axis 22, the 3rd synchronous pulley 25, second Timing Belt 14, the 4th synchronous pulley 26 and four roller shafts, in Fig. 2, the second bevel gear 13 engaged with the first bevel gear 12 is connected in the upper end of vertical axis 22, and the 3rd synchronous pulley 25 engaged with the second Timing Belt 14 is connected in the middle part of vertical axis 22.In Fig. 2, roller shaft has four that are arranged in order from right to left, the lower end of each roller shaft is vertically mounted on bottom frame 1 by bearing, four rolling 11 is connected in the top of roller shaft respectively, each roller shaft middle and upper part is also fixed with gear, wherein first gear and second gears meshing, the 3rd gear and the 4th gears meshing, form two pairs of pitch wheels pair.The first, the middle and lower part of the 3rd roller shaft is also fixed with the 4th synchronous pulley 26 respectively, and these two the 4th synchronous pulleys 26 engage with the second Timing Belt 14 respectively.

The utility model DIP pin shaping device adopts the continuous plastic operation of mechanization, by crooked finishing in the coplanar finishing to pin, face, the coplanar finishing three process of pin, on a conveyer belt, achieve the continuous high-efficient plastic operation to DIP chip pin, reach efficient, high-quality shaping and not fragile pin effect.For the DIP chip of different col width, also by the spacing changed between the first burring machine, adjustment rotating auger and the distance method adjusted between pair of rollers, realize the shaping to pin, guarantee that the DIP chip pin after shaping reaches state when dispatching from the factory that is similar to.

In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", " circumference ", " row ", orientation or the position relationship of the instruction such as " row " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.

In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.

In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing ", " being connected " should be interpreted broadly, such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.

In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.

Claims (5)

1. a DIP chip pin apparatus for shaping, is the high-quality apparatus for shaping that a kind of biserial pin for DIP chip (17) realizes mechanizeding continuous operation, it is characterized in that:

Comprise: frame (1), upper casing (30), transmission and control device, conveying device and, the first burring machine, the second burring machine and the 3rd burring machine that are connected successively;

Described frame (1) is the installation supporting body of described each device and each mechanism, and described upper casing (30) is the housing being fastened on frame (1) top;

Described first burring machine is the coplanar burring machine of biserial, for repairing the biserial pin of DIP chip (17), reaches the co-planar with DIP chip (17) plane perpendicular; Described second burring machine is askew pin burring machine in face, and the finishing for crooked pin each in biserial pin is straight with row; Described 3rd burring machine is coplanar finishing mechanism, for carrying out last coplanar finishing to the biserial pin after the second burring machine finishing, and makes the biserial pin of DIP chip (17) return to state when dispatching from the factory that is similar to;

Described conveying device comprises: front guide bracket (2), conveyer belt (8), rear guide bracket (16), also comprise the spacing fastening strip (18) be set in upper casing (30), described conveyer belt (8) is multiple row V-shape belt, described front guide bracket (2) is positioned at the front end of conveyer belt (8), described rear guide bracket (16) is positioned at the rear end of conveyer belt (8), described conveyer belt (8) moves ahead for carrying DIP chip (17) average rate, describedly treat that the DIP chip (17) of shaping pin is placed in front guide bracket (2), import on conveyer belt (8) again, under the spacing and clamping action of described spacing fastening strip (18), enter after the first to the 3rd burring machine repairs successively, be resent in rear guide bracket (16) and send,

Described transmission and control device comprise: main shaft (3) and the gear wheel (20) be connected on main shaft (3) and worm gear (5), also comprise: conveyer belt (8) drive unit, the second burring machine drive unit, the 3rd burring machine drive unit and, the speed-regulating control device of described each drive unit.

2. a kind of DIP chip pin apparatus for shaping as claimed in claim 1, it is characterized in that: described first burring machine comprises a carding apparatus (7), described carding apparatus (7) there are two combing notches arranged side by side, described combing notch is front wide and rear narrow horn-like structure, the biserial pin of described DIP chip (17) slips over respectively from notch, setting: connect and meet DIP chip (17) pin place width of rebate a and equal to send 5 ~ 10 times of DIP chip (17) pin place width of rebate b, send DIP chip (17) pin place width of rebate b >=0.25mm.

3. a kind of DIP chip pin apparatus for shaping as claimed in claim 1, it is characterized in that: described second burring machine comprises two rotating auger (9) being arranged symmetrically in conveyer belt (8) both sides, described rotating auger (9) there is the spiral groove of gradual change, the rotation direction of two spiral grooves is contrary each other, the groove width of described spiral groove is front wide and rear narrow shape, setting: connect and meet DIP chip (17) pin place groove width c and equal (1.5 ~ 2) and doubly send DIP chip (17) pin place groove width d.

4. a kind of DIP chip pin apparatus for shaping as claimed in claim 1, it is characterized in that: described 3rd burring machine comprises row four rolling (11) altogether, described roller (11) is arranged symmetrically in the both sides of conveyer belt (8), form two pair rollers, every pair roller is all for rolling two row pins of straight DIP chip (17).

5. a kind of DIP chip pin apparatus for shaping as claimed in claim 1, it is characterized in that: described conveyer belt (8) drive unit comprises: driving shaft (4) and directive wheel (15), described driving shaft (4) is fixed with driving wheel (27) and pinion (28), described pinion (28) engages with the gear wheel (20) that described main shaft (3) is connected, and described driving wheel (27) rotates for driving conveyer belt (8);

Described second burring machine drive unit is for carrying out longitudinal combing from top to bottom in the vertical direction to DIP chip (17) pin, comprise: major axis (6), first Timing Belt (10), first rotating shaft (32), second rotating shaft (33) and be connected in the upper rotating auger (9) of first and second rotating shaft respectively, also comprise commutation train (31), described commutation train (31) is two pitch wheels pair, (6) are fixed with worm screw to described major axis successively, first synchronous pulley (23), first bevel gear (12), described worm screw engages with the worm gear (5) that described main shaft (3) is connected, described first synchronous pulley (23) is engaged with described first Timing Belt (10), one end of first rotating shaft (32) is fixed with the second synchronous pulley (24) engaged with the first Timing Belt (10), the other end has tumbler gear, also there is tumbler gear one end of second rotating shaft (33), tumbler gear on described first rotating shaft (32) engages with commutation train (31), tumbler gear on second rotating shaft (33) also engages with commutation train, described first synchronous pulley (10) drives the first rotating shaft (32) to rotate, described first rotating shaft (32) drives the second rotating shaft (33) and the first rotating shaft (32) opposite direction rotating by tumbler gear and commutation train (31),

Described 3rd burring machine drive unit comprises: the second bevel gear (13), vertical axis (22), 3rd synchronous pulley (25), second Timing Belt (14), 4th synchronous pulley (26), roller shaft, described second bevel gear (13) is connected in the upper end of described vertical axis (22), second bevel gear (13) engages with the first bevel gear (12), described 3rd synchronous pulley (25) is connected in the middle part of described vertical axis (22), 3rd synchronous pulley (25) engages with the second Timing Belt (14), described roller shaft has four, the lower end of each roller shaft is vertically mounted on frame (1) bottom by bearing, described four rolling (11) is connected in the top of described roller shaft respectively, on each roller shaft, middle part is also fixed with gear, four gears form two pairs of pitch wheels pair, first, the middle and lower part of the 3rd roller shaft is fixed with the 4th synchronous pulley (26), described 4th synchronous pulley (26) engages with the second Timing Belt (14).