CN205393603U - Drum brake piece drilling machine with synchronous drilling mechanism of frame -type - Google Patents

Abstract

The utility model relates to a drum brake piece drilling machine with synchronous drilling mechanism of frame -type, (gentle (liquid) driving system constitutes by frame, brill child, rear rail, support assembly, frame -type drilling tool, power station, control system, feeder, dust removal pipe. Wherein, rear rail, brill child and feeder arrange along the the central axis of work piece that the through type that forms the work piece supports and the direction, unloading on the realization through type, supporting assembly, frame -type drilling tool and power station and constituteing the system of creeping into, wherein, frame -type drilling tool and power station are arranged along the plain line in the face of cylinder of work piece, many frame -type drilling tools can once all drill out the hole of work piece with quick -witted operation. The frame -type drilling tool adopts the drive of synchronous jar, constitutes synchronous drilling mechanism. The power station provides drill bit power through the universal joint. The utility model has the characteristics of the high -efficient on -line -job of just easily realizing.

Description

A kind of Drum brake linings boring machine with frame-type synchronization drilling mechanism

Technical field

This utility model relates to a kind of Drum brake linings boring machine with frame-type synchronization drilling mechanism, and especially primary feed just completes a piece of Workpiece boring operation, and adopts the Drum brake linings boring machine of through type loading and unloading.

Background technology

At present, the known many employings of Drum brake linings boring machine along workpiece circumferencial direction interior camber line arrange multiple stage single hole drilling tool frame mode, once the hole being positioned at this camber line on workpiece all can be got out, then make workpiece move along its axis and cause arc positions in another, repeat aforementioned bore operation, then shift again, then hole, until by complete for hole machined all on workpiece.Drum brake linings for typical four rows and four columns (16) hole, action step needed for this working method is: clamping workpiece, once boring, once displacement, secondary drilling, secondary displacement, three boring, three displacements, four boring, brill tire return, unloading workpiece, totally ten steps.Although this working method can realize unit automatic job, but needed for it, work step is more, and efficiency is had large effect；And, its blanking is generally the mode that freely falling body is combined with slideway, the workpiece trend after processing and attitude is lost effective control, thus being unfavorable for on-line job.

Summary of the invention

For the problem that needed for solving existing Drum brake linings boring machine, work step is many, efficiency is low, not easily realize on-line job, this utility model provides a kind of Drum brake linings boring machine with frame-type synchronization drilling mechanism, only need " clamping workpiece " and " boring " two work steps, the bore operation of a piece of Drum brake linings can be completed, production efficiency can be improved；Owing to adopting through type loading and unloading, all keep the workpiece before and after processing guiding, thus facilitate implementation on-line job.

On common Drum brake linings, the design feature in hole is: size is deep with brill consistent, arranges in circumferential directions along interior camber line, and axis direction is arranged along face of cylinder element line；Each axially bored line is each through the axle center of intrados.

This utility model solves described technical problem and be the technical scheme is that a kind of Drum brake linings boring machine with frame-type synchronization drilling mechanism, it is made up of frame 1, brill tire 2, rear rail 3, support assembly 4, frame-type drilling tool 5, power station 6, control system 7, feed appliance 8, dust removing tube 9 and gas-liquid power system 10, rear rail 3, brill tire 2 and feed appliance 8 are arranged along the central axis of workpiece 15, and the through type constituting workpiece supports and guiding；Support assembly 4, frame-type drilling tool 5 and power station 6 constitute drilling system, and wherein, frame-type drilling tool 5 and power station 6 are arranged along the face of cylinder element line of workpiece 15；Many tool frame-type drilling tools 5 and the same machine operation of power station 6.

Described frame-type drilling tool 5 is constituted its drilling tool framework by two pedestal 72 upper ends being parallel to each other and girder 77 normal thereto are affixed；The governor motion of its height and drilling depth it is made up of the screw thread pair of the height regulating rod 67 in pedestal 72, the worm couple of linkage, worm gear 68 and height regulating rod 67；Promoted by synchronized cylinder 11 synchronization push rod 66, crossbeam 12 and drill bit assembly 13 to constitute it and synchronize drilling mechanism.

Drilling power is delivered to drill bit by power station 6, universal joint 14, middle bearing bracket 78, universal joint 14, drill bit assembly 13 successively.

The transmission of the deflection servo governor motion 56 of synchronization control frame-type drilling tool 5 and power station 6 position is completed by three chain links: the lower chain link pulling little arc plate 54, the contrachain ring pulling power station 6 and the synchronization driven by ratio drive sprocket 64 drive chain link.

Central axis along workpiece 15 is arranged rear rail 3, is bored tire 2 and feed appliance 8, and wherein, rear rail 3 is formed intrados support and the guide rail of workpiece 15, middle two height adjustable, two, both sides height and the equal scalable of angle by four adjustable poles 16.

Central axis along workpiece 15 is arranged rear rail 3, is bored tire 2 and feed appliance 8, wherein, bores tire 2 by boring tire deflection mechanism 17 and drives deflection.

Central axis along workpiece 15 is arranged rear rail 3, is bored tire 2 and feed appliance 8, and wherein, the intrados of the support bar 42 of feed appliance 8, laterally adjustable support bar 43 and two guiding support bar 45 combination formation workpiece supports；Front apron 47, side shield 48 and adjustable backstop 50 form the space holding workpiece；Adjust laterally adjustable support bar 43, height adjuster 44, guiding support bar height adjustment assembly 46, width adjusting assembly 49 and adjustable backstop 50 and form new intrados support and guiding.

The beneficial effects of the utility model are: can complete the bore operation of a piece of Drum brake linings in workpiece loading and unloading, two work steps of boring, can improve production efficiency；And owing to adopting through type loading and unloading mode, it is simple to realize on-line job.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, this utility model is further illustrated.

Fig. 1 is the A-A sectional view of the front view (Fig. 2) of this utility model embodiment；

Fig. 2 is the front view of this utility model embodiment；

Fig. 3 is the right view of Fig. 2；

Fig. 4 is the right view of Fig. 3；

Fig. 5 is the front view of rear rail 3；

Fig. 6 is the front view boring tire 2；

Fig. 7 is the top view of Fig. 6；

Fig. 8 is the left view of Fig. 6；

Fig. 9 is the front view of feed appliance 8；

Figure 10 is the left view of Fig. 9；

Figure 11 is the top view of Fig. 9；

Figure 12 is the front view of frame-type drilling tool 5；

nullIn figure，1. frame，2. bore tire，3. rear rail，4. support assembly，5. frame-type drilling tool，6. power station，7. control system，8. feed appliance，9. dust removing tube，10. gas (liquid) dynamical system，11. synchronized cylinder，12. crossbeam，13. drill bit assembly，14. universal joint，15. workpiece，16. adjustable pole，17. bore tire deflection mechanism，18. front stop，19. stop cylinder，20. bore template，21. gib block，22. clamping cylinder，23. lever，24. steel band，25 dust adnexaes.，26. dust removal port，27. double; two shaft cylinders，28. tooth bar，29. travel adjustment，30. gear，31. rotating shaft，32. bearing block，33. middle position localizer，34. alignment pin，35. positional cylinder，36. base plate，37. right side riser，38. intermediate module，39. left side vertical plate，40. charging ram，41. double; two guide post cylinders，42. support bar，43. laterally adjustable support bar，44. height adjuster，45. guiding support bar，46. guiding support bar height adjustment assembly，47. front apron，48. side shield，49. width adjusting assembly，50. adjustable backstop，51. left support seat，52. lower curved plate，53. upper curved plate，54. little arc plate，55. right support seat，56. deflection servo governor motion，57. servomotor group，58. chain，59. deflector sheave，60. regulating wheel，61. auxiliary drive wheels，62. driving wheel，63. jack shaft is taken turns，64. ratio drive sprocket，65. tensioner，66. synchronization push rod，67. height regulating rod，68. worm gear，69. worm screw，70. gangbar，71. retaining mechanism，72. pedestal，73. feather key，74. fairlead，75. pedestal fixture，76. foot guide part，77. girder，78. middle bearing bracket，79. motor，80. motor cabinet，81. guide pad，82. screw cylinder assembly，83. safe pole，84. holding screw，85. screw cylinder，86. latch.

C1. chain guide groove, C2.T type groove, the little arc plate gathering sill of C3., chain guide groove under C4., C5. power station gathering sill, C6. cochain guide-track groove.

Detailed description of the invention

Embodiment shown in Fig. 1,2,3,4 illustrates with the Drum brake linings in typical four rows and four columns (16) hole for processing object, is made up of frame 1, brill tire 2, rear rail 3, support assembly 4, frame-type drilling tool 5, power station 6, control system 7, feed appliance 8, dust removing tube 9 gentle (liquid) dynamical system 10.Wherein, frame 1 is complete machine basis, and its upper surface is the reference for installation of other associated components, and inner space is mainly used to install gas (liquid) dynamical system 10；Control system 7 provides operation and the control of complete machine；Dust removing tube 9 is used for connecting outside dedusting equipment, it is provided that dedusting wind-force；Gas (liquid) dynamical system 10 is used for connecting external pressure source, provides power for each action piece (e.g., boring, Workpiece clamping, feeding etc.).

Rear rail 3, brill tire 2 and feed appliance 8 are separate device, three stations of the corresponding course of processing respectively, that is: after processing, process and before processing, successively from left to right, central axis along workpiece 15 arranges (consulting Fig. 1), form support and the guiding of workpiece through type loading and unloading, it is achieved through type loading and unloading.For adapting to different products, said apparatus also has adjustable.Illustrate separately below.

Station after the corresponding processing of rear rail 3, its effect is that the workpiece 15 after processing is supported and leads (consult Fig. 1,5).The intrados being formed workpiece 15 by four adjustable poles 16 supports and guide rail, and wherein, middle two play a supportive role, and guiding and supporting role are played in two, both sides.For adapting to different workpiece, the height adjustable of middle two adjustable poles 16, height that both sides are two and the equal scalable of angle.

Boring the corresponding processing stations of tire 2, its effect is: a, provides axial and circumferential to position for workpiece 15；B, it is provided that bore template；C, Workpiece clamping；D, the axially-movable for workpiece 15 provides guiding；E, provides Dustproof air flue and dust adnexa for removing drilling cuttings；It addition, the workpiece special for adapting to position, indivedual hole, also arrange brill tire deflection mechanism 17 (Fig. 6,7,8).Two front stops 18 are driven by stop cylinder 19, are fixed on the piston rod head of stop cylinder 19, become, when rising, the anchor point that workpiece axially positions, and allow workpiece to pass through when falling.The workpiece that Kong Weiyu on bore template 20 need to process is identical, and workpiece is realized circumferentially positioned and axial travel guidance by the gib block 21 of its both sides.Workpiece clamping is promoted lever 23 to swing by clamping cylinder 22, thus pulls the steel band 24 being fixed on lever 23 to realize.The drilling cuttings produced in the course of processing and dust adopt the method for wind-force dedusting to remove, and the dust adnexa 25 of both sides is for collecting drilling cuttings and the dust of surface of the work, and communicates with dust removal port 26.One end of dust removing tube 9 is connected with dust removal port 26, and the other end will connect outside cleaner.Boring tire deflection mechanism 17 to be driven by two double; two shaft cylinders 27, the affixed rotation in piston rod one end drives tooth bar 28, and the other end is equipped with travel adjustment 29；Tooth bar 28 engages with the gear 30 being fixed in rotating shaft 31, and rotating shaft 31 is affixed by connector and bore template 20, and is supported by bearing block 32.So, when double; two shaft cylinders 27 drive tooth bar 28 to an end motion, allow for bore template 20 around the shaft 31 axis swing in the same direction, it is achieved bore tire deflection.The size of deflection angle is controlled by adjustment stroke actuator 29.The location, middle position boring tire is realized by middle position localizer 33.When disengaging gear 30 extracted by alignment pin 34, deflection action just can be carried out.Alignment pin 34 is fixed on the piston disputer of positional cylinder 35.For different products, different bore templates 20 and front stop 18 need to be changed.

Station before the corresponding processing of feed appliance 8, possesses the function (consulting Fig. 9,10,11) of storing and feeding.Feed appliance 8 is made up of riser 37, intermediate module 38, left side vertical plate 39 on the right side of base plate 36 and assembly.Intermediate module 38 has charging ram 40, double; two guide post cylinder 41, support bar 42 and the main parts size such as laterally adjustable support bar 43, height adjuster 44；Right side riser 37 and left side vertical plate 39 are symmetrical assembly, are made up of guiding support bar 45, guiding support bar height adjustment assembly 46, front apron 47, side shield 48 and the parts such as width adjusting assembly 49, backstop 50.Base plate 36 is the installation foundation of riser 37 on the right side of assembly, intermediate module 38 and left side vertical plate 39；The intrados of support bar 42, laterally adjustable support bar 43 and two guiding support bar 45 combination formation workpiece supports；Front apron 47, side shield 48 and adjustable backstop 50 form the space holding workpiece；Workpiece 15 superposition is placed on the aforementioned intrados in this space and supports.During feeding, double; two guide post cylinders 41 drive three charging rams 40 simultaneously to left movement (consulting Fig. 9) by connector, nethermost one piece of the workpiece 15 superposition placed is released to (consulting Fig. 1) on bore template 20, until returning after stop 18 before absorption surface.Workpiece above, under himself action of gravity, automatically drops to aforementioned intrados and supports.For adapting to different workpiece, new this workpiece intrados that is suitable for can be formed support and guiding by adjusting laterally adjustable support bar 43, height adjuster 44, guiding support bar height adjustment assembly 46, width adjusting assembly 49 and adjustable backstop 50.

Support assembly 4, frame-type drilling tool 5, power station 6 are interrelated device, and the major function realized is bore operation；Wherein, frame-type drilling tool 5 and power station 6 are arranged along the face of cylinder element line of workpiece 15；For adapting to different products, said apparatus also has adjustable.Illustrate separately below.

Support assembly 4 is the installation foundation (consulting Fig. 1,2,3,4) of frame-type drilling tool 5, power station 6 and deflection servo governor motion 56, is made up of main parts size such as left support seat 51, lower curved plate 52, upper curved plate 53, little arc plate 54, right support seat 55 and deflection servo governor motions 56.Except servomotor group 57 individual parts such as grade of deflection servo governor motion 56, this apparatus structure is relative to its plane of symmetry B-B symmetrical (consulting Fig. 3).All structure circular arcs on lower curved plate 52 and upper curved plate 53 are concentric, and by the central axis of workpiece 15；Its two ends are respectively and fixedly connected on left support seat 51 and right support seat 55；Its outer surface is parallel between two and the central axis of vertical workpiece 15.It is the fit dimension of L1 that two outer surface of lower curved plate 52 form spacing, for installing frame posture drilling tool 5；It is the fit dimension of L2 that two outer surface of upper curved plate 53 form spacing, is used for installing power station 6 (Fig. 1).Deflection servo governor motion 56 is for adjusting frame-type drilling tool 5 and the position of power station 6, and its transmission is completed by three chain links.On lower curved plate 52, chain 58 walks around three deflector sheaves 59, regulating wheel 60, auxiliary drive wheels 61 and driving wheel 62, through its chain guide groove C1, and connects little arc plate 54 two ends in little arc plate gathering sill C3, forms lower chain link；On upper curved plate 53, chain 58 walks around two deflector sheaves 59, regulating wheel 60 and jack shaft wheel 63, through its upper and lower two chain guides groove C6, C4, forms contrachain ring (Fig. 2,3,4).Having two sprocket wheels on the axle of jack shaft wheel 63, the participation in outside forms contrachain ring, being connected by chain 58 of inner side with ratio drive sprocket 64, is formed and synchronizes to drive chain link.Synchronize to drive chain link by tensioner 65 tensioning.Little arc plate gathering sill C3 forms small-gap suture with little arc plate 54 and coordinates, and ratio drive sprocket 64 is coaxial with auxiliary drive wheels 61 and affixed；Thus, the driving process of above-mentioned three chain links can describe as follows: when servomotor group 57 rotates, the driving wheel 62 coaxial with its output shaft drives lower chain link, and (including auxiliary drive wheels 61 and ratio drive sprocket 64 rotating in same direction, ratio drive sprocket 64 then drives chain link to make jack shaft wheel 63 and contrachain ring rotate backward by synchronization；Thus, under the premise that the structure radius of cochain guide-track groove C6 and little arc plate 54 forms correct proportions, will there is same angle, equidirectional swing (Fig. 2,3) in chain in cochain guide-track groove C6 and little arc plate 54.When adjusting the position of frame-type drilling tool 5, frame-type drilling tool 5 will be driven by little arc plate 54, and power station 6 is by by the chain drive in cochain guide-track groove C6, so that frame-type drilling tool 5 and power station 6 are in course of adjustment, synchronization deflection, does not produce relative displacement.

Frame-type drilling tool 5 is boring work head, the main parts size such as synchronized cylinder 11, crossbeam 12, drill bit assembly 13, synchronization push rod 66, height regulating rod 67, worm gear 68, worm screw 69, gangbar 70, retaining mechanism 71, pedestal 72, feather key 73, fairlead 74, pedestal fixture 75, foot guide part 76, girder 77, middle bearing bracket 78 constitute (consulting Figure 12).Two pedestal 72 upper ends being parallel to each other and the affixed composition drilling tool framework of girder 77 normal thereto.Height regulating rod 67 hollow, external diameter forms small-gap suture with the hole of pedestal 72 and coordinates；Top is affixed with the cylinder body of synchronized cylinder 11, and synchronization push rod 66 installed therein, equipped with fairlead 74, is led by bottom, and the feather key 73 at middle part coordinates with the keyway on pedestal 72 so that it is can only move axially, can not rotate.The housing at girder 77 two ends is built with identical worm couple；Worm gear 68 can not axial motion, there is screw thread at its center, secondary with the screw thread on the height regulating rod 67 top formation small-gap suture matching thread that matches；Worm screw 69 realizes two ends linkage by gangbar 70.So, when rotary worm 69, worm screw 69 drives worm gear 68 to rotate, and the screw thread at its center then drives height regulating rod about 67 parallel motion, thus driving crossbeam 12 to produce corresponding motion.This upper and lower parallel motion achieves the altitude mixture control of drill bit assembly 13 and the adjustment of the Workpiece boring degree of depth.That is, height regulating rod 67, the worm couple of linkage and the screw thread pair of worm gear 68 and height regulating rod 67 constitute the height of frame-type drilling tool 5 and the governor motion of drilling depth.Synchronized cylinder 11 is double piston-rod cylinder, and freely, one end piston rod head is affixed with Tong Bu push rod 66 in one end.Synchronize the affixed crossbeam 12 of the other end of push rod 66.Along crossing the symmetrical plane installing drill head assembly 13 synchronizing push rod 66 axis on crossbeam 12；On drill bit assembly 13 can clamping drill bit allow drill bit to rotate about the axis thereof, its axis is parallel with the axis synchronizing push rod 66.Synchronized cylinder 11 promotes and synchronizes push rod 66, crossbeam 12 and drill bit assembly 13 realization boring and revert action, constitutes and synchronizes drilling mechanism, and its stroke is stroke of holing.The position of the height regulating rod 67 after adjusting is locked by retaining mechanism 71.The upper Plane Installation middle bearing bracket 78 of girder 77；The axis of middle bearing bracket 78 is parallel with the axis of height regulating rod 67, and its lower end connects drill bit assembly 13 by universal joint 14, and upper end connects power station 6 by universal joint 14.Thus, the transmittance process of drilling power is exactly: power station 6--universal joint--middle bearing bracket 78---universal joint--drill bit assembly 13--drill bit.

The spacing L1 that the width dimensions that two pedestal 72 installed surfaces are formed is formed with the lower curved plate 52 in support assembly 4 forms small-gap suture and coordinates；During bore operation, two pedestals 72, by the twice arc T-slot C2 on lower curved plate 52 installed surface, are separately fixed on two lower curved plates 52 in left and right by pedestal fixture 75.When adjusting the position of frame-type drilling tool 5, first with foot guide part 76, pedestal 72 is tightened together with the little arc plate 54 in support assembly 4；Then unclamp the screw of pedestal fixture 75, then frame-type drilling tool 5 entirety just can be slided in the little arc plate gathering sill C3 of lower curved plate 52 along with little arc plate 54.Owing to little arc plate gathering sill C3 is concentric with workpiece 15, so in the above-mentioned sliding process of frame-type drilling tool 5, the axis of its drill bit assembly 13 points to the axle center of workpiece 15 all the time.

Power station 6 is to provide the device of drilling power, the main parts size such as motor 79, motor cabinet 80, guide pad 81, screw cylinder assembly 82, safe pole 83 and holding screw 84 form (Fig. 1,2).Guide pad 81 is affixed with motor cabinet 80, forms small-gap suture with the power station gathering sill C5 of upper curved plate 53 and coordinates；When unclamping holding screw 84, power station 6 entirety can be led by guide pad 81, slides in power station gathering sill C5.Screw cylinder assembly 82 is made up of main parts size such as screw cylinder 85 and latches 86.When screw cylinder 85 promotes latch 86 to stretch out, latch 86 will engage with the chain 58 in cochain guide-track groove C6；Now, unclamping holding screw 84, power station 6 entirety can be moved with chain 58.When latch 86 is return, chain 58 can accessible pass through.The lower end of safe pole 83 is affixed with the girder 77 of frame-type drilling tool 5, and upper end is inserted in motor cabinet 80 and formed small-gap suture and coordinates, it is prevented that power station 6 entirety landing under its action of gravity during maloperation.

Adjustment and the work process of complete machine are set forth below.

Adjustment process: complete machine adjustment is divided into two parts, adjusts workpiece traveling guide rail and adjusts frame-type drilling tool 5.The first step adjusting workpiece traveling guide rail is to change the bore template 20 and front stop 18 that bore on tire 2 by processing work；Adjust steel band 24, make clamping force moderate；Second step is according to bore template 20, adjusts the adjustable pole 16 of rear rail 3 so that it is consistent with the supporting surface of bore template 20 and guide rail；3rd step is to adjust each adjustment part of feed appliance 8 according to bore template 20 so that it is consistent with the supporting surface of bore template 20 and guide rail；Meanwhile, regulate the length of three charging rams 40, make workpiece just be pulled to and contact with front stop 18.Effect after adjustment is: rear rail 3, brill tire 2 and feed appliance 8 combination form the traveling guide rail of workpiece, and front stop 18 is the anchor point of workpiece, and the steel band 24 bored on tire 2 clamps workpiece, and feed appliance 8 stores and feeding.The adjustment of frame-type drilling tool 5 is divided into drilling tool position and crown height to adjust two parts.When adjusting drilling tool position, the first step is to make screw cylinder 85 action, is released by latch 86；Tighten the screw of foot guide part 76 by affixed to pedestal 72 and little arc plate 54；Second step, unclamps holding screw 84 and the screw of pedestal fixture 75；3rd step, operates servomotor group 57, makes frame-type drilling tool 5 swing to the position frame-type drilling tool 5 corresponding with workpiece hole with power station 6 simultaneously and driven by little arc plate 54, and power station 6 is driven by latch 86)；Again tighten holding screw 84 and the screw of pedestal fixture 75, unclamp the screw of foot guide part 76 and make latch 86 return.Then, the position of each drilling tool it has been sequentially adjusted in by above-mentioned steps.When adjusting crown height, first unclamp the handle of retaining mechanism 71；It is rotated further by worm screw 69, makes drill bit assembly 13 be raised or lowered to suitable height；Change the drill bit met on the crossbeam 12 of workpiece size and drill bit assembly 13, and operate synchronized cylinder 11 and make crossbeam 12 release, check and bore deep, after suitable, again lock the handle of retaining mechanism 71.After being sequentially adjusted in the height of each drilling tool, complete machine adjustment terminates.

Work process: workpiece is stacked successively by design direction in the feed bin of feed appliance 8, the double; two guide post cylinder 41 of operation makes charging ram 40 move, nethermost one piece of workpiece is pushed out to front stop 18, clamping (after clamping, namely double; two guide post cylinders 41 are return), operation synchronized cylinder 11 makes crossbeam 12 release boring, return after putting in place, clamping and release, again feeding, enter next cycle of operation；Control system 7 makes above-mentioned sequence of movement automatically carry out.

Arranging different workpiece for other hole, the quantity that generally can pass through to increase and decrease frame-type drilling tool 5 and drill bit assembly 13 solves.Special situation, it might even be possible to by making the method that brill tire 2 deflects solve.

Claims (7)

1. a Drum brake linings boring machine with frame-type synchronization drilling mechanism, by frame (1), bore tire (2), rear rail (3), support assembly (4), frame-type drilling tool (5), power station (6), control system (7), feed appliance (8), dust removing tube (9) gentle/hydraulic power system (10) forms, it is characterized in that: rear rail (3), brill tire (2) and feed appliance (8) are arranged along the central axis of workpiece (15), the through type constituting workpiece supports and guiding；Support assembly (4), frame-type drilling tool (5) and power station (6) constitute drilling system, and wherein, frame-type drilling tool (5) and power station (6) are along the face of cylinder element line layout of workpiece (15)；Many tools frame-type drilling tool (5) and power station (6) same to machine operation.

2. according to claim 1 a kind of have frame-type and synchronize the Drum brake linings boring machine of drilling mechanism, it is characterized in that: described frame-type drilling tool (5) is by two pedestals (72) upper end being parallel to each other and girder (77) normal thereto is affixed constitutes its drilling tool framework；The governor motion of its height and drilling depth it is made up of the screw thread pair of the height regulating rod (67) in pedestal (72), the worm couple of linkage, worm gear (68) and height regulating rod (67)；Promoted by synchronized cylinder (11) synchronization push rod (66), crossbeam (12) and drill bit assembly (13) to constitute it and synchronize drilling mechanism.

3. a kind of Drum brake linings boring machine with frame-type synchronization drilling mechanism according to claim 1, is characterized in that: drilling power is delivered to drill bit by power station (6), universal joint (14), middle bearing bracket (78), universal joint (14), drill bit assembly (13) successively.

4. a kind of Drum brake linings boring machine with frame-type synchronization drilling mechanism according to claim 1, is characterized in that: the transmission of deflection servo governor motion (56) of synchronization control frame-type drilling tool (5) and power station (6) position is completed by three chain links: the lower chain link pulling little arc plate (54), the contrachain ring pulling power station (6) and the synchronization driven by ratio drive sprocket (64) drive chain link.

5. a kind of Drum brake linings boring machine with frame-type synchronization drilling mechanism according to claim 1, it is characterized in that: the central axis along workpiece (15) is arranged rear rail (3), bored tire (2) and feed appliance (8), wherein, the intrados that rear rail (3) is formed workpiece (15) by four adjustable poles (16) supports and guide rail, middle two height adjustable, two, both sides height and the equal scalable of angle.

6. a kind of Drum brake linings boring machine with frame-type synchronization drilling mechanism according to claim 1, it is characterized in that: the central axis along workpiece (15) is arranged rear rail (3), bored tire (2) and feed appliance (8), wherein, bore tire (2) and driven deflection by boring tire deflection mechanism (17).

7. a kind of Drum brake linings boring machine with frame-type synchronization drilling mechanism according to claim 1, it is characterized in that: the central axis along workpiece (15) is arranged rear rail (3), bored tire (2) and feed appliance (8), wherein, the intrados of the support bar (42) of feed appliance (8), laterally adjustable support bar (43) and two guiding support bar (45) combination formation workpiece supports；Front apron (47), side shield (48) and adjustable backstop (50) form the space holding workpiece；Adjust laterally adjustable support bar (43), height adjuster (44), guiding support bar height adjustment assembly (46), width adjusting assembly (49) and adjustable backstop (50) and form new intrados support and guiding.