CN204036018U - A kind of drilling tapping machine - Google Patents
A kind of drilling tapping machine Download PDFInfo
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- CN204036018U CN204036018U CN201420434583.4U CN201420434583U CN204036018U CN 204036018 U CN204036018 U CN 204036018U CN 201420434583 U CN201420434583 U CN 201420434583U CN 204036018 U CN204036018 U CN 204036018U
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 67
- 238000005553 drilling Methods 0.000 title claims abstract description 39
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 125000006850 spacer group Chemical group 0.000 claims description 63
- 210000000481 breast Anatomy 0.000 claims description 27
- 230000001105 regulatory effect Effects 0.000 claims description 26
- 230000001360 synchronised effect Effects 0.000 claims description 14
- 210000002421 cell wall Anatomy 0.000 claims description 13
- 125000003003 spiro group Chemical group 0.000 claims description 9
- 239000002699 waste material Substances 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 6
- 238000007514 turning Methods 0.000 description 13
- 238000009434 installation Methods 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a kind of drilling tapping machine, belongs to field of mechanical technique.It solve existing drilling tapping machine and cannot accomplish the technical problem such as hard waste at any time.This drilling tapping machine, comprise base, column and cabinet, column is fixed on base, column is provided with workbench, cabinet is provided with motor and main shaft, cabinet is also provided with the gear shaft that main shaft can be driven to move along its axis, on the traversing through end of gear shaft, cover has calibration disc, calibration disc rotates along with traversing through end and can rotate by opposed gear axle when being subject to circumferential resistance, the outer peripheral face of calibration disc is fixed with stroke dog one, cabinet is fixed with the microswitch that can control main shaft rotating, calibration disc rotate time stroke dog one can with microswitch against or depart from, be provided with between calibration disc and cabinet can microswitch and stroke dog one against or microswitch depart from the position limiting structure that stroke dog makes calibration disc opposed gear axle rotate for the moment.The utility model has the advantage of hard waste operation at any time.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of drilling tapping machine.
Background technology
Drilling tapping machine is for holing and the plant equipment of tapping, rotates boring or tapping on workpiece by carry its tools.
Tapping is to make internal thread, when tapping starts, needs often to carry out hard waste operation, particularly runs into when attacking obstructed screw, the chip in frequent hard waste evacuation aperture.When tapping, cutter needs to rotate forward, and hard waste is that cutter needs reversion.
Current drilling tapping machine is all rotated forward by driven by motor main shaft or reverses, thus control the rotation of cutter tapping or hard waste, current drilling tapping machine adopts the mode of manual operation button to control the rotation direction of motor, such as, control motor by pedal; Inconvenient operation by this method, need when particularly tapping starts to make cutter shoot workpiece by turning handle seat to cutter pressurization, hold very much appearance when needing in the process to move back thread and move back silk to controlling motor reversal while cutter pressurization again, cutter and the form of thread is caused to be damaged, operator is required too high, hard waste at any time cannot be accomplished.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of drilling tapping machine, and the technical problem that the utility model solves can hard waste at any time when being tapping.
The purpose of this utility model realizes by following technical proposal:
A kind of drilling tapping machine, it is characterized in that, comprise base, column and cabinet, described column is fixed on base, described cabinet is fixed on the upper end of column, described column is provided with workbench, described cabinet is provided with motor and main shaft, described main axis is connected on cabinet, described main shaft and table vertical and be positioned at directly over workbench, described motor can drive main shaft to rotate forward or reversion, described cabinet is also provided with the gear shaft that main shaft can be driven to move along its axis, one end that gear shaft passes cabinet is traversing through end, on described traversing through end, cover has calibration disc, described calibration disc rotates along with traversing through end and can rotate by opposed gear axle when being subject to circumferential resistance, the outer peripheral face of described calibration disc is fixed with stroke dog one, described cabinet is fixed with the microswitch that can control main shaft rotating, when described calibration disc rotates stroke dog one can with microswitch against or depart from, be provided with between described calibration disc and cabinet can microswitch and stroke dog one against or microswitch depart from the position limiting structure that stroke dog makes calibration disc opposed gear axle rotate for the moment.
Its principle is as follows: microswitch is connected with motor, and realize by the rotating controlling motor the rotating controlling main shaft, when microswitch triggers, motor reversal is hard waste, and when microswitch does not trigger, motor just transfers tapping to; When main shaft is positioned at initial position, stroke dog one and microswitch against, when opening motor, because microswitch is in trigger state, motor reversal; When entering tapping, turning gear wheel shaft makes main shaft move down, calibration disc makes stroke dog one and microswitch depart from along with gear shaft rotates, microswitch is in non-toggle state, motor rotates forward, cutter carries out tapping, when microswitch and stroke dog one depart from, position limiting structure makes calibration disc opposed gear axle rotate, and stops calibration disc to rotate along with gear shaft, make stroke dog on calibration disc one and microswitch keeps both firm relative position when departing from; When completing tapping and needing hard waste, counter gear axle makes gear shaft drive main shaft to move up to be exited by cutter, when counter gear axle, calibration disc can rotate along with gear shaft, stroke dog one reverse time and microswitch against triggering microswitch, thus make motor reversal, cutter is reversed and realizes hard waste, stroke dog one and microswitch against time position limiting structure calibration disc opposed gear axle is rotated, stop calibration disc to rotate along with gear shaft, make stroke dog on calibration disc one and microswitch keeps both firm against time relative position; By position limiting structure make stroke dog once with microswitch against or depart from position time prevent calibration disc from rotating along with gear shaft, therefore the direction by controlling turning gear wheel shaft just synchronously can realize the forward or reverse controlling motor, directly just hard waste can be realized by counter gear axle after tapping completes, easy to operate, add security, avoid the damage of cutter.
In above-mentioned drilling tapping machine, described position limiting structure comprises spacer pin, described spacer pin is fixed on calibration disc, described cabinet has stroke limit hole, one end of described spacer pin is through stroke limit hole, described spacer pin can along with gear shaft rotates in stroke limit hole, microswitch and stroke dog one against time spacer pin and stroke limit hole side hole wall against, the opposite side hole wall in microswitch disengaging stroke dog spacer pin in a period of time and stroke limit hole against.The radian of spacer pin along with gear shaft rotation is defined by stroke limit hole, also just define the radian that calibration disc can rotate along with gear shaft, thus realize microswitch and stroke dog one against time or microswitch depart from stroke dog and to prevent a period of time calibration disc from rotating along with gear shaft.
In above-mentioned drilling tapping machine, described traversing through end is also provided with tubular handle set, described handle set is enclosed within traversing through end, described calibration disc is enclosed within handle set, described calibration disc along with handle set rotate and hole wall in spacer pin and stroke limit hole against time energy opposite handle seat rotate, described traversing through end is fixed with flat key, the inner peripheral surface of described handle set has flat key groove, described flat key is positioned at flat key groove, the width of described flat key groove is greater than the width of flat key, the radian that described flat key can rotate in flat key groove is identical with the radian that spacer pin can rotate in stroke limit hole.Handle set carrys out driven gear axle by the cooperation of flat key peace keyway and rotates, flat key peace keyway cell wall against time could drive handle set and gear shaft synchronous axial system, when flat key turns to opposite side cell wall from the side cell wall of flat key groove, calibration disc can rotate along with handle set, and the radian of flat key rotation in flat key groove can just make stroke dog one change the state of microswitch, in process, handle set can not rotate by driven gear axle again, namely can not control main shaft to move up and down, namely achieve and keep the fixing of main shaft axis when main shaft changes rotation direction, prevent the destruction to cutter and screw thread, handle set feeding and rollback give certain buffering when rotating, meet tapping add man-hour can at any time hard waste operation, bad screw thread can not be drawn during handle set rollback.
In above-mentioned drilling tapping machine, the side face of described calibration disc has at least one spacing hole, wiper block, limit spring and housing screw is provided with successively in described spacing hole, described housing screw is threaded in spacing hole, one end of described wiper block and the outer peripheral face of handle set against, one end of described limit spring and housing screw against, the other end of limit spring and the other end of wiper block against, described limit spring is in compressive state.Spacer pin not with the hole wall in stroke limit hole or limited block against time, by the frictional force between the wiper block in spacing hole and the outer peripheral face of handle set, calibration disc is rotated along with handle set; Hole wall in spacer pin and stroke limit hole or limited block against time, wiper block opposite handle seat rotates, and calibration disc energy opposite handle seat is rotated; Wiper block is pressed in traversing through end by limit spring, by rotatably compressing screw to regulate the decrement of limit spring, making wiper block that calibration disc can be driven to rotate along with handle set, calibration disc opposite handle seat also can be made to rotate.
In above-mentioned drilling tapping machine, described handle set is provided with dial, described dial is positioned at the outside of calibration disc, described dial to be enclosed within handle set and can to rotate by opposite handle seat, the outer peripheral face of described dial is fixed with stroke dog two, during described dial rotation, stroke dog two can trigger microswitch, is provided with location structure dial and handle set can fixed between described dial and handle set.Dial has scale, stroke dog two is fixed on the zero point on dial, before tapping, the degree of depth rotary dial of tapping as required, again dial and traversing through end are fixed, turning gear wheel shaft cutter when the zero point on dial resets again gets into the degree of depth needing tapping, now microswitch and stroke dog two trigger, microswitch controls motor reversal thus drives main shaft reversion hard waste, counter gear axle is needed during hard waste, although stroke dog two can depart from microswitch when counter gear axle, but microswitch can trigger with stroke dog one, therefore motor remains reversion, by arranging the synchronism that stroke dog two ensures that main shaft reversion moves up with main shaft when hard waste on dial, screw thread and the cutter of tapping can not be damaged when hard waste.
In above-mentioned drilling tapping machine, described location structure comprises location briquetting, position fixing handle and two alignment pins, described location briquetting has frustum face, the outer peripheral face of described handle set has annular groove, the frustum face of described location briquetting and the cell wall of annular groove against, two described alignment pins are fixed on dial, described location briquetting is positioned between two alignment pins, described dial offers positioning spiro pit, described positioning spiro pit is positioned at two alignment pins, one end of described position fixing handle is link, described link is threaded on positioning spiro pit, the end of described link can be pressed on the briquetting of location.When position fixing handle is pressed on the briquetting of location, between location briquetting and the cell wall of annular groove, frictional force makes that dial and handle set are fixing keeps synchronous axial system; After position fixing handle unclamps location briquetting, dial and handle set can relatively rotate; By the convenient annexation regulating dial and handle set of rotational positioning handle capable of being; The frustum face of location briquetting can increase the contact area with the cell wall of annular groove, increases the constant intensity of dial and gear shaft.
In above-mentioned drilling tapping machine, described spacer pin is through calibration disc and two ends pass calibration disc respectively, described dial offers cannelure of stepping down on calibration disc end face, described spacer pin is positioned near one end of dial cannelure of stepping down, described cannelure internal fixtion of stepping down has block, described spacer pin can with block against.Block is corresponding with the zero point on dial, when block and spacer pin against time, the zero point of dial is positioned at initial position; When tapping to block and spacer pin during the degree of depth needed against, because now spacer pin is located, therefore cannot turning gear wheel shaft further, make the degree of depth of tapping accurately errorless.
In above-mentioned drilling tapping machine, motor wheel is rotatably connected in described cabinet, main shaft wheel and breast wheel, described motor wheel is connected with motor, described main shaft wheel is connected with main shaft, described breast wheel is between motor wheel and main shaft wheel, described breast wheel comprises middle wheel shaft, upper belt pulley and lower belt pulley, described upper belt pulley and lower belt pulley are all rotatably connected on middle wheel shaft, described upper belt pulley and motor wheel and connect respectively by belt between lower belt pulley and main shaft wheel, friction plate is provided with between described upper belt pulley and lower belt pulley, described upper belt pulley and lower frictional force between belt pulley and friction plate can make belt pulley and lower belt pulley synchronous axial system also can belt pulley or lower belt pulley and friction plate be made to skid when main shaft wheel torque force overload when main shaft wheel normal rotation.When drilling tapping machine boring or tapping, the power of motor is passed to breast wheel by motor wheel, then is passed to main shaft wheel by breast wheel; Upper belt pulley when normal operation in breast wheel and lower belt pulley are by friction plate synchronous axial system; When there is main shaft torque force overload when tapping; the rotating speed of main shaft wheel can reduce or stop operating; make lower belt pulley also rotating speed reduce or stop operating; motor still operates simultaneously; namely go up the effect that belt pulley also can receive electric machine rotation power; belt pulley or lower belt pulley and friction plate is caused to occur skidding; belt pulley can still be rotated; ensure that motor can not stop operating; prevent burn-down of electric motor; the rotatory force simultaneously descending belt pulley to be subject to can diminish, and can prevent screw tap from rupturing, maximum capacity protection workpiece and cutter.
In above-mentioned drilling tapping machine, the lower end of described middle wheel shaft is fixed on adjustable plate, described adjustable plate have some elongated adjustment holes, the length direction of described adjustment hole is parallel with the line between motor wheel and main shaft wheel, and described cabinet is fixed with adjusting rod, and described adjusting rod is through adjustment hole, on described adjusting rod, cover has regulating spring, regulating spring lower end and adjustable plate against, regulating spring upper end and adjusting rod against, described regulating spring is in compressive state.Adjustable plate is pressed on cabinet by regulating spring, can move relative to cabinet, is defined the movement of adjustable plate by adjusting rod through adjustment hole; Breast wheel is connected respectively by belt with between motor wheel and main shaft wheel, after belt is loaded onto, the tensile force of two belts acts on breast wheel, because tensile force between two belts can be different, therefore breast wheel can be pulled to make adjustable plate slide to a Slideslip of the larger belt of tensile force, until reach the balance of two belt tensions; Automatically can be regulated after belt installation by this structure makes the rate of tension of two belts reach balance, improves installation effectiveness, ensure that motor wheel, main shaft wheel and breast wheel in the running stable; When replacing belt, removable breast wheel makes belt just can take out or install in a relaxed state, is convenient for changing belt.
In above-mentioned drilling tapping machine, the bottom of described column is provided with lifting support, and described lifting support can move axially along column, and described workbench is fixed on lifting support by trailing arm, the perpendicularity of described trailing arm energy adjusting operating platform and main shaft.The lifting of lifting support energy or reduction workbench, meet the demand of different workpieces boring or tapping, trailing arm can meet the demand of workbench and main shaft perpendicularity, improves precision machining.
Compared with prior art, this drilling tapping machine has the following advantages:
1, by arranging microswitch, stroke dog one and stroke dog two, meet tapping add man-hour can at any time hard waste operation and can not bad screw thread be drawn.
2, allow upper belt pulley and the inconsistent normal operation realizing motor of lower belt pulley rotating speed by friction plate, prevent burn-down of electric motor.
3, automatically regulated after belt installation by adjustable plate and make the rate of tension of two belts reach balance, improve installation effectiveness, ensure that motor wheel, main shaft wheel and breast wheel in the running stable.
Accompanying drawing explanation
Fig. 1 is the perspective view of this drilling tapping machine.
Fig. 2 is the perspective view of this drilling tapping machine.
Fig. 3 is the sectional structure schematic diagram of this drilling tapping machine.
Fig. 4 is the perspective view of this drilling tapping machine middle gear axle, main shaft and microswitch.
Fig. 5 is the sectional structure schematic diagram after the assembling of this drilling tapping machine middle gear axle, handle set, dial and calibration disc.
Fig. 6 is the structure for amplifying schematic diagram in A portion in Fig. 2.
Fig. 7 is the sectional structure schematic diagram of breast wheel in this drilling tapping machine.
Fig. 8 is the structure for amplifying schematic diagram in B portion in Fig. 3.
In figure, 1, base; 11, column; 12, tooth bar two; 13, lifting support; 14, installing plate; 15, turning handle; 16, cabinet; 17, stroke limit hole; 2, motor; 21, motor wheel; 22, main shaft; 23, main shaft wheel; 24, spline housing; 25, sleeve; 26, tooth bar one; 27, belt; 3, workbench; 31, trailing arm; 311, trailing arm bar; 312, fixed muffle; 32, fixed head; 33, set bolt; 34, adjusting pad; 341, resigning hole; 35, spacer pin; 36, adjustment screw; 4, breast wheel; 41, middle wheel shaft; 42, upper belt pulley; 421, upper annular groove; 43, lower belt pulley; 431, shaft sleeve part; 432, belt pulley portion; 433, lower annular groove; 44, friction plate; 45, latch; 46, annular groove; 47, thrust ball bearing; 48, holddown spring; 5, gear shaft; 51, traversing through end; 52, flat key; 6, handle set; 61, annular groove; 62, flat key groove; 63, handlebar; 7, calibration disc; 71, stroke dog one; 72, spacing hole; 73, wiper block; 74, limit spring; 75, housing screw; 76, spacer pin; 8, dial; 81, stroke dog two; 82, briquetting is located; 83, position fixing handle; 84, link; 85, alignment pin; 86, to step down cannelure; 87, block; 88, microswitch; 9, adjustable plate; 91, adjustment hole; 911, annular recessed shoulder; 92, adjusting rod; 93, regulating spring.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
A kind of drilling tapping machine, as shown in Figure 1 to Figure 3, comprise base 1, column 11 and cabinet 16, column 11 is fixed on base 1, and cabinet 16 is fixed on the upper end of column 11, and column 11 is provided with workbench 3, cabinet 16 is provided with motor 2 and main shaft 22, main shaft 22 is rotatably connected on cabinet 16, and main shaft 22 is vertical with workbench 3 and be positioned at directly over workbench 3, and motor 2 can drive main shaft 22 rotate forward or reverse.
As shown in Figures 2 and 3, motor wheel 21, main shaft wheel 23 and breast wheel 4 is rotatably connected in cabinet 16, motor wheel 21 is connected with motor 2, main shaft wheel 23 is connected with main shaft 22, breast wheel 4 is between motor wheel 21 and main shaft wheel 23, breast wheel 4 comprises middle wheel shaft 41, upper belt pulley 42 and lower belt pulley 43, and upper belt pulley 42 and lower belt pulley 43 are all rotatably connected on middle wheel shaft 41, upper belt pulley 42 and motor wheel 21 and connect respectively by belt 27 between lower belt pulley 43 and main shaft wheel 23.
As shown in Figures 2 to 4, spline housing 24 is provided with between main shaft 22 and main shaft wheel 23, spline housing 24 through main shaft wheel 23 and with main shaft wheel 23 synchronous axial system, main shaft 22 through spline housing 24 and with spline housing 24 spline joint, main shaft 22 moves along its axis, the lower end cover of main shaft 22 has sleeve 25, main shaft 22 relative sleeve 25 circumference rotates axial restraint, the outer axial face of sleeve 25 has tooth bar 1 along direction on its axle, cabinet 16 is provided with gear shaft 5, gear shaft 5 to be rotatably connected on cabinet 16 and vertical with main shaft 22, gear shaft 5 is positioned at a section of cabinet 16 and has the tooth that can engage with sleeve 25 upper rack 1, moving sleeve 25 can be with to move up and down by turning gear wheel shaft 5, also main shaft 22 just can be driven to move up and down, one end that gear shaft 5 passes cabinet 16 is traversing through end 51.
As shown in Figure 4 and Figure 5, on traversing through end 51, cover has tubular handle set 6, handle set 6 is fixed three handlebars 63, and on handle set 6, cover has calibration disc 7 and dial 8, and dial 8 is positioned at the outside of calibration disc 7.
As shown in Figure 4 and Figure 5, calibration disc 7 is positioned at the side near cabinet 16, the side face of calibration disc 7 has at least one spacing hole 72, wiper block 73, limit spring 74 and housing screw 75 is provided with successively in spacing hole 72, housing screw 75 is threaded in spacing hole 72, one end of wiper block 73 and the outer peripheral face of handle set 6 against, one end of limit spring 74 and housing screw 75 against, the other end of limit spring 74 and the other end of wiper block 73 against, limit spring 74 is in compressive state.Wiper block 73 is pressed in traversing through end 51 by limit spring 74, by rotatably compressing screw 75 to regulate the decrement of limit spring 74, making wiper block 73 that calibration disc 7 can be driven to rotate along with handle set 6, calibration disc 7 opposite handle seat 6 also can be made to rotate.
As shown in Figure 4 and Figure 5, dial 8 can rotate by opposite handle seat 6, location structure dial 8 and handle set 6 can fixed is provided with between dial 8 and handle set 6, location structure comprises location briquetting 82, position fixing handle 83 and two alignment pins 85, location briquetting 82 has frustum face, the outer peripheral face of handle set 6 has annular groove 61, location the frustum face of briquetting 82 and the cell wall of annular groove 61 against, two alignment pins 85 are fixed on dial 8, location briquetting 82 is positioned between two alignment pins 85, dial 8 offers positioning spiro pit, positioning spiro pit is positioned at two alignment pins 85, one end of position fixing handle 83 is link 84, link 84 is threaded on positioning spiro pit, link 84 can be pressed on the briquetting 82 of location.When position fixing handle 83 is pressed on the briquetting 82 of location, between location briquetting 82 and the cell wall of annular groove 61, frictional force makes dial 8 and handle set 6 is fixing keeps synchronous axial system; After position fixing handle 83 unclamps location briquetting 82, dial 8 and handle set 6 can relatively rotate; The annexation of dial 8 and handle set 6 conveniently can be regulated by rotational positioning handle 83; The frustum face of location briquetting 82 can increase the contact area with the cell wall of annular groove 61, increases the constant intensity of dial 8 and gear shaft 5.
As shown in Figure 4 and Figure 5, the outer peripheral face of calibration disc 7 is fixed with stroke dog 1, the outer peripheral face of dial 8 is fixed with stroke dog 2 81, dial 8 has scale, stroke dog 2 81 is fixed on the dead-center position on dial 8; Cabinet 16 is provided with the microswitch 88 that can control main shaft 22 rotating, when calibration disc 7 and dial 8 rotate, stroke dog 1 and stroke dog 2 81 all can trigger microswitch 88, stagger mutually in the position of stroke dog 1 and stroke dog 2 81, be provided with between calibration disc 7 and cabinet 16 can microswitch 88 and stroke dog 1 against or microswitch 88 departs from stroke dog 1 time calibration disc 7 opposed gear axle 5 is rotated position limiting structure.
As shown in Figure 4 and Figure 5, position limiting structure comprises spacer pin 76, spacer pin 76 is fixed on calibration disc 7, cabinet 16 has stroke limit hole 17, one end of spacer pin 76 is through stroke limit hole 17, in the present embodiment one, stroke limit hole 17 is circular hole, and the diameter in stroke limit hole 17 is greater than the diameter of spacer pin 76.Traversing through end 51 is fixed with flat key 52, the inner peripheral surface of handle set 6 has flat key groove 62, flat key 52 is positioned at flat key groove 62, the width of flat key groove 62 is greater than the width of flat key 52, the radian that flat key 52 can rotate in flat key groove 62 is identical with the radian that spacer pin 76 can rotate in stroke limit hole 17, the width of flat key groove 62 2mm larger than the width of flat key 52 in the present embodiment one, the diameter 2mm larger than the diameter of spacer pin 76 in stroke limit hole 17.
Calibration disc 7 spacer pin 76 not with stroke limit hole 17 against time and handle set 6 synchronous axial system, calibration disc 7 in spacer pin 76 and stroke limit hole 17 against time can rotate by opposite handle seat 6, the radian of spacer pin 76 along with gear shaft 5 rotation is defined by stroke limit hole 17, also just define the radian that calibration disc 7 can rotate along with handle set 6, thus realize microswitch 88 and stroke dog 1 against time or microswitch 88 depart from stroke dog 1 time prevent calibration disc 7 from rotating along with handle set 6.Handle set 6 carrys out driven gear axle 5 by the cooperation of the peaceful keyway 62 of flat key 52 and rotates, the cell wall of the peaceful keyway 62 of flat key 52 against time could drive handle set 6 and gear shaft 5 synchronous axial system, when flat key 52 turns to opposite side cell wall from the side cell wall of flat key groove 62, calibration disc 7 can rotate along with handle set 6, and the radian that flat key 52 rotates in flat key groove 62 can just make stroke dog 1 change the state of microswitch 88, in process, handle set 6 can not rotate by driven gear axle 5 again, namely can not control main shaft 22 to move up and down, namely achieve and keep the fixing of main shaft 22 axis when main shaft 22 changes rotation direction, prevent the destruction to cutter and screw thread, handle set 6 feeding and rollback give certain buffering when rotating, meet tapping add man-hour can at any time hard waste operation, bad screw thread can not be drawn during handle set 6 rollback.
As shown in Figure 5, spacer pin 76 is through calibration disc 7 and two ends pass calibration disc 7 respectively, dial 8 offers cannelure 86 of stepping down on calibration disc 7 end face, spacer pin 76 is positioned near one end of dial 8 cannelure 86 of stepping down, cannelure 86 internal fixtion of stepping down has block 87, spacer pin 76 can with block 87 against.Block 87 is corresponding with the zero point on dial 8, when block 87 and spacer pin 76 against time, the zero point of dial 8 is positioned at initial position; When tapping to block 87 during the degree of depth needed and spacer pin 76 against, because now spacer pin 76 is located, therefore cannot turning gear wheel shaft 5 further, make the degree of depth of tapping accurately errorless.
As shown in Fig. 3, Fig. 6 and Fig. 7, be provided with friction plate 44 between upper belt pulley 42 and lower belt pulley 43, upper belt pulley 42 and the frictional force between lower belt pulley 43 and friction plate 44 can make belt pulley 42 and lower belt pulley 43 synchronous axial system that belt pulley 42 or lower belt pulley 43 also can be made to skid with friction plate 44 when main shaft wheel 23 torque force overload when main shaft wheel 23 normal rotation.
As shown in Fig. 3, Fig. 6 and Fig. 7, the upper end of middle wheel shaft 41 passes belt pulley 42, lower belt pulley 43 comprises shaft sleeve part 431 and belt pulley portion 432, shaft sleeve part 431 is enclosed within middle wheel shaft 41, bearing is provided with between on shaft sleeve part 431 and middle wheel shaft 41, belt pulley portion 432 is stretched out in the upper end of shaft sleeve part 431, and upper belt pulley 42 is enclosed within one section that shaft sleeve part 431 stretches out belt pulley portion 432.Upper belt pulley 42 is directly enclosed within shaft sleeve part 431 and can improves when normal rotation and the synchronism of lower belt pulley 43.The upper surface in belt pulley portion 432 has lower annular groove 433, and the lower surface of upper belt pulley 42 has upper annular groove 421, and described friction plate 44 is embedded between annular groove 421 and lower annular groove 433.Upper annular groove 421 and lower annular groove 433 prevent friction plate 44 from occurring displacement.
As Fig. 3, shown in Fig. 6 and Fig. 7, shaft sleeve part 431 stretches out one section of latch 45 that has been threaded in belt pulley portion 432, thrust ball bearing 47 is provided with between latch 45 and upper belt pulley 42, some holddown springs 48 are provided with between thrust ball bearing 47 and latch 45, holddown spring 48 makes belt pulley 42 have towards the trend of lower belt pulley 43 movement, make belt pulley 42 and produce above-mentioned frictional force between lower belt pulley 43 and friction plate 44, the elastic force of holddown spring 48 is regulated with the spacing of upper belt pulley 42 by regulating latch 45, realize the control to frictional force size.
As shown in Fig. 3, Fig. 6 and Fig. 7, the middle part of latch 45 has groove 46 of stepping down, the step down center of groove 46 has screwed hole, the screwed hole of latch 45 is connected with the threaded upper ends of middle wheel shaft 41, holddown spring 48 upper end is resisted against steps down in the groove bottom of groove 46, holddown spring 48 lower end and thrust ball bearing 47 against.The seat ring of thrust ball bearing 47 and upper belt pulley 42 against, the blowout patche of holddown spring 48 lower end and thrust ball bearing 47 against, operationally the seat ring of thrust ball bearing 47 can rotate along with upper belt pulley 42, and blowout patche keeps static; By the elastic force of holddown spring 48, upper belt pulley 42 is compressed with lower belt pulley 43, ensure that on when main shaft wheel 23 normal rotation, belt pulley 42 and lower belt pulley 43 are by friction plate 44 synchronous axial system, on when main shaft wheel 23 torque force overload, belt pulley 42 or lower belt pulley 43 skid with friction plate 44; By the elastic force regulating the spacing between latch 45 and upper belt pulley 42 to adjust holddown spring 48, the maximum static friction force of friction plate 44 and upper belt pulley 42 and lower belt pulley 43 can be controlled.
Upper belt pulley 42 when normal operation in breast wheel 4 and lower belt pulley 43 are by friction plate 44 synchronous axial system, when there is main shaft 22 torque force overload when tapping, the rotating speed of main shaft wheel 23 can reduce or stop operating, make lower belt pulley 43 also rotating speed reduce or stop operating, motor 2 still operates simultaneously, namely go up the effect that belt pulley 42 also can receive motor 2 rotatory force, belt pulley 42 or lower belt pulley 43 is caused to occur skidding with friction plate 44, belt pulley 42 can still be rotated, ensure that motor 2 can not stop operating, prevent motor 2 from burning, the rotatory force simultaneously descending belt pulley 43 to be subject to can diminish, can prevent screw tap from rupturing, maximum capacity protection workpiece and cutter.
As shown in Figure 2 and Figure 6, the lower end of middle wheel shaft 41 is fixed on adjustable plate 9, the rectangular in cross-section of adjustable plate 9, the lower end of middle wheel shaft 41 is fixed on adjustable plate 9 center, adjustable plate 9 have four elongated adjustment holes 91, adjustment hole 91 lays respectively at the edge of adjustable plate 9, the length direction of four adjustment holes 91 is parallel with the line between motor wheel 21 and main shaft wheel 23, the hole wall place of adjustment hole 91 upper end has annular recessed shoulder 911, cabinet 16 is fixed with adjusting rod 92, in the present embodiment one, adjusting rod 92 is screw, cabinet 16 has and adjustment hole 91 screwed hole one to one, screw is threaded with screwed hole through adjustment hole 91, the width of adjustment hole 91 is greater than the diameter of screw, on screw, cover has regulating spring 93, regulating spring 93 lower end abutment is on the recessed shoulder 911 of annular, the upper end of regulating spring 93 is resisted against on the nut of screw, regulating spring 93 is in compressive state.
Adjustable plate 9 is pressed on cabinet 16 by regulating spring 93, can move relative to cabinet 16, is defined the movement of adjustable plate 9 by adjusting rod 92 through adjustment hole 91; Breast wheel 4 is connected respectively by belt 27 with between motor wheel 21 and main shaft wheel 23, after belt 27 is loaded onto, the tensile force of two belts 27 acts on breast wheel 4, because tensile force between two belts 27 can be different, therefore breast wheel 4 can be pulled to make adjustable plate 9 slide to a Slideslip of the larger belt of tensile force 27, until reach the balance of two belt 27 tensile forces; Automatically can be regulated after belt 27 installation by this structure makes the rate of tension of two belts 27 reach balance, improves installation effectiveness, ensure that motor wheel 21, main shaft wheel 23 and breast wheel 4 in the running stable; When replacing belt 27, removable breast wheel 4 makes belt 27 just can take out or install in a relaxed state, is convenient for changing belt 27.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 8, the bottom of column 11 is provided with lifting support 13, lifting support 13 can move axially along column 11, column 11 bottom is fixed with tooth bar 2 12, is rotatably connected to helical gear and worm screw in lifting support 13, and helical teeth wheel and rack 2 12 engages, the axis of worm screw is vertical with helical gear axis, worm screw engages with helical gear, and lifting support 13 is also provided with turning handle 15, and turning handle 15 and worm screw are fixed and worm screw can be driven to rotate.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 8, workbench 3 is fixed on lifting support 13 by trailing arm 31, lifting support 13 has installing plate 14, installing plate 14 is parallel with column 11, trailing arm 31 comprises trailing arm bar 311 and is fixed on the fixed muffle 312 of trailing arm bar 311 one end, and workbench 3 is fixed on fixed muffle 312, and trailing arm bar 311 other end is fixed with fixed head 32, fixed head 32 is one-body molded with trailing arm bar 311, and fixed head 32 is vertical with workbench 3.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 8, connected by set bolt 33 between fixed head 32 and installing plate 14, adjusting pad 34 is also provided with between fixed head 32 and installing plate 14, spacer pin 35 passes fixed head 32, adjusting pad 34 and installing plate 14 and is positioned at immediately below set bolt 33, adjusting pad 34 has resigning hole 341, spacer pin 35 is through resigning hole 341, and the diameter of resigning hole 341 is greater than the diameter of spacer pin 35, spacer pin 35 and be tight fit connection between fixed head 32 and installing plate 14.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 8, the end face of wherein one end of adjusting pad 34 is plane, the end face of the other end of adjusting pad 34 is inclined-plane, resigning hole 341 is positioned at inclined-plane and the less side of interplanar spacing, fixed head 32 has been threaded at least one adjustment screw 36, and the end of adjustment screw 36 can lean with on adjusting pad 34.In the present embodiment one, adjustment screw 36 has two, and two adjustment screw 36 lay respectively at the downside of set bolt 33 and are positioned at the both sides of spacer pin 35, and the line of two adjustment screw 36 set bolts 33 and spacer pin 35 is relatively symmetrical.At adjusting pad 34, there is different thickness, realized the object of being alignd with main shaft 22 at the center of workbench 3 by the adjusting pad 34 installing different-thickness.Resigning hole 341 is needed to align with the hole that fixed head 32 and column 11 pass for spacer pin 35 during mounting and adjusting pad 34, therefore workbench 3 " bowing " can be made when being resisted against on adjusting pad 34 by fixed head 32, by the state of this structure manual control workbench 3, facilitate follow-up installation operation, increase installation effectiveness, reduce the requirement on machining accuracy to workbench 3.
When erector's station 3, through fixed head 32, adjusting pad 34 and installing plate 14, three is close together set bolt 33, the mode that the adjustment of workbench 3 vertical equity adopts rubber hammer to rap by eye-level instrument adjusts, the adjustment of workbench 3 transverse horizontal makes the end of adjustment screw 36 lean by turning adjusting screw 36 and make fixed head 32 reaction force drive workbench 3 " new line " on adjusting pad 34, is with after making workbench 3 vertical with main shaft 22 and is inserted by spacer pin 35; Machining accuracy to perpendicularity between fixed head 32 and workbench 3 can be reduced by arranging adjustment screw 36, reducing production cost.
Embodiment two
The present embodiment with the structure of embodiment one and principle substantially identical, different place is: position limiting structure comprises spacer pin, spacer pin is fixed on calibration disc, cabinet is fixed with two pieces of limited blocks, between two pieces of limited blocks, there is interval, one end of spacer pin is between two pieces of limited blocks, spacer pin can along with gear shaft rotates in the interval between two pieces of limited blocks, microswitch and stroke dog one against time spacer pin and wherein one piece of limited block against, microswitch depart from stroke dog for the moment spacer pin and another block limited block against.The radian of spacer pin along with gear shaft rotation is defined by two pieces of limited blocks, also just define the radian that calibration disc can rotate along with gear shaft, thus realize microswitch and stroke dog one against time or microswitch depart from stroke dog and to prevent a period of time calibration disc from rotating along with gear shaft.
Embodiment three
The present embodiment with the structure of embodiment one and principle substantially identical, different place is: location structure comprises position fixing handle, dial offers screwed hole, one end of position fixing handle is link, the end winding support of link has friction plate, link is threaded on screwed hole, and friction plate can be pressed on gear shaft.Make friction plate be pressed on gear shaft by turning handle and make dial and gear shaft synchronous axial system, friction plate and gear shaft depart from dial and gear shaft can be relatively rotated by turning handle.
Embodiment four
The present embodiment with the structure of embodiment one and principle substantially identical, different place is: stroke limit hole is elongate holes, and the track of the length direction in stroke limit hole is circular arc.This structure ensure that spacer pin has certain rotational travel.
Embodiment five
The present embodiment with the structure of embodiment one and principle substantially identical, different place is: be provided with friction pad between calibration disc and handle set.By friction pad realize calibration disc spacer pin not with stroke limit hole against time and handle set synchronous axial system, calibration disc in spacer pin and stroke limit hole against time can rotate by opposite handle seat.
Embodiment six
The present embodiment with the structure of embodiment one and principle substantially identical, different place is: the upper end of adjusting rod has external screw thread, the threaded upper ends of adjusting rod is connected with adjusting nut, and lower end and the cabinet of adjusting rod are fixed, and the upper end of regulating spring is resisted against on nut.Regulated the decrement of regulating spring by the distance between adjusting nut and installing plate, ensure that installing plate moves smooth and easy when belt pulls breast wheel.
Embodiment seven
The present embodiment with the structure of embodiment one and principle substantially identical, different place is: alignment pin is positioned at immediately below set bolt, adjustment screw has one, and on the same line, adjustment screw is between set bolt and alignment pin for adjustment screw and set bolt and alignment pin.By rotating the lateral horizontal position of an adjustment screw with regard to energy adjusting operating platform, regulate efficiency high.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (10)
1. a drilling tapping machine, it is characterized in that, comprise base (1), column (11) and cabinet (16), described column (11) is fixed on base (1), described cabinet (16) is fixed on the upper end of column (11), described column (11) is provided with workbench (3), described cabinet (16) is provided with motor (2) and main shaft (22), described main shaft (22) is rotatably connected on cabinet (16), described main shaft (22) is vertical with workbench (3) and be positioned at directly over workbench (3), described motor (2) can drive main shaft (22) to rotate forward or reversion, described cabinet (16) is also provided with the gear shaft (5) that main shaft (22) can be driven to move along its axis, one end that gear shaft (5) passes cabinet (16) is traversing through end (51), the upper cover of described traversing through end (51) has calibration disc (7), described calibration disc (7) rotates along with traversing through end (51) and can rotate by opposed gear axle (5) when being subject to circumferential resistance, the outer peripheral face of described calibration disc (7) is fixed with stroke dog one (71), described cabinet (16) is fixed with the microswitch (88) that can control main shaft (22) rotating, described calibration disc (7) rotate time stroke dog one (71) can with microswitch (88) against or depart from, be provided with between described calibration disc (7) and cabinet (16) can microswitch (88) and stroke dog one (71) against or microswitch (88) departs from stroke dog one (71) time calibration disc (7) opposed gear axle (5) is rotated position limiting structure.
2. drilling tapping machine according to claim 1, it is characterized in that, described position limiting structure comprises spacer pin (76), described spacer pin (76) is fixed on calibration disc (7), described cabinet (16) has stroke limit hole (17), one end of described spacer pin (76) is through stroke limit hole (17), described spacer pin (76) can along with gear shaft (5) rotates in stroke limit hole (17), microswitch (88) and stroke dog one (71) against time spacer pin (76) with the side hole wall in stroke limit hole (17) against, when microswitch (88) departs from stroke dog one (71) spacer pin (76) and the opposite side hole wall in stroke limit hole (17) against.
3. drilling tapping machine according to claim 2, it is characterized in that, described traversing through end (51) is also provided with tubular handle set (6), described handle set (6) is enclosed within traversing through end (51), described calibration disc (7) is enclosed within handle set (6), described calibration disc (7) along with handle set (6) rotate and hole wall in spacer pin (76) and stroke limit hole (17) against time can rotate by opposite handle seat (6), described traversing through end (51) is fixed with flat key (52), the inner peripheral surface of described handle set (6) has flat key groove (62), described flat key (52) is positioned at flat key groove (62), the width of described flat key groove (62) is greater than the width of flat key (52), the radian that described flat key (52) can rotate in flat key groove (62) is identical with the radian that spacer pin (76) can rotate in stroke limit hole (17).
4. drilling tapping machine according to claim 3, it is characterized in that, the side face of described calibration disc (7) has at least one spacing hole (72), wiper block (73) is provided with successively in described spacing hole (72), limit spring (74) and housing screw (75), described housing screw (75) is threaded in spacing hole (72), one end of described wiper block (73) and the outer peripheral face of handle set (6) against, one end of described limit spring (74) and housing screw (75) against, the other end of limit spring (74) and the other end of wiper block (73) against, described limit spring (74) is in compressive state.
5. the drilling tapping machine according to claim 3 or 4, it is characterized in that, described handle set (6) is provided with dial (8), described dial (8) is positioned at the outside of calibration disc (7), described dial (8) is enclosed within handle set (6) and goes up and can rotate by opposite handle seat (6), the outer peripheral face of described dial (8) is fixed with stroke dog two (81), when described dial (8) rotates, stroke dog two (81) can trigger microswitch (88), location structure dial (8) and handle set (6) can fixed is provided with between described dial (8) and handle set (6).
6. drilling tapping machine according to claim 5, it is characterized in that, described location structure comprises location briquetting (82), position fixing handle (83) and two alignment pins (85), described location briquetting (82) has frustum face, the outer peripheral face of described handle set (6) has annular groove (61), the frustum face of described location briquetting (82) and the cell wall of annular groove (61) against, two described alignment pins (85) are fixed on dial (8), described location briquetting (82) is positioned between two alignment pins (85), (8) offer positioning spiro pit to described dial, described positioning spiro pit is positioned at two alignment pins (85), one end of described position fixing handle (83) is link (84), described link (84) is threaded on positioning spiro pit, the end of described link (84) can be pressed on location briquetting (82).
7. drilling tapping machine according to claim 5, it is characterized in that, described spacer pin (76) is through calibration disc (7) and two ends pass calibration disc (7) respectively, described dial (8) offers cannelure of stepping down (86) on calibration disc (7) end face, described spacer pin (76) is positioned at cannelure of stepping down (86) near one end of dial (8), described cannelure of stepping down (86) internal fixtion has block (87), described spacer pin (76) can with block (87) against.
8. the drilling tapping machine according to claim 1 or 2 or 3, it is characterized in that, motor wheel (21) is rotatably connected in described cabinet (16), main shaft wheel (23) and breast wheel (4), described motor wheel (21) is connected with motor (2), described main shaft wheel (23) is connected with main shaft (22), described breast wheel (4) is positioned between motor wheel (21) and main shaft wheel (23), described breast wheel (4) comprises middle wheel shaft (41), upper belt pulley (42) and lower belt pulley (43), described upper belt pulley (42) and lower belt pulley (43) are all rotatably connected on middle wheel shaft (41), described upper belt pulley (42) and motor wheel (21) and connect respectively by belt (27) between lower belt pulley (43) and main shaft wheel (23), friction plate (44) is provided with between described upper belt pulley (42) and lower belt pulley (43), described upper belt pulley (42) and the frictional force between lower belt pulley (43) and friction plate (44) can make upper belt pulley (42) and lower belt pulley (43) synchronous axial system that upper belt pulley (42) or lower belt pulley (43) also can be made to skid with friction plate (44) when main shaft wheel (23) torque force overload when main shaft wheel (23) normal rotation.
9. drilling tapping machine according to claim 8, it is characterized in that, the lower end of described middle wheel shaft (41) is fixed on adjustable plate (9), described adjustable plate (9) have some elongated adjustment holes (91), the length direction of described adjustment hole (91) is parallel with the line between motor wheel (21) and main shaft wheel (23), described cabinet (16) is fixed with adjusting rod (92), described adjusting rod (92) is through adjustment hole (91), the upper cover of described adjusting rod (92) has regulating spring (93), regulating spring (93) lower end and adjustable plate (9) against, regulating spring (93) upper end and adjusting rod (92) against, described regulating spring (93) is in compressive state.
10. the drilling tapping machine according to claim 1 or 2 or 3, it is characterized in that, the bottom of described column (11) is provided with lifting support (13), described lifting support (13) can move axially along column (11), described workbench (3) is fixed on lifting support (13) by trailing arm (31), the perpendicularity of described trailing arm (31) energy adjusting operating platform (3) and main shaft (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420434583.4U CN204036018U (en) | 2014-08-04 | 2014-08-04 | A kind of drilling tapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420434583.4U CN204036018U (en) | 2014-08-04 | 2014-08-04 | A kind of drilling tapping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204036018U true CN204036018U (en) | 2014-12-24 |
Family
ID=52236726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420434583.4U Withdrawn - After Issue CN204036018U (en) | 2014-08-04 | 2014-08-04 | A kind of drilling tapping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204036018U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139305A (en) * | 2014-08-04 | 2014-11-12 | 浙江西菱股份有限公司 | Drilling and tapping machine |
| CN104722793A (en) * | 2015-03-11 | 2015-06-24 | 温州职业技术学院 | Full-automatic drilling automatic machine |
-
2014
- 2014-08-04 CN CN201420434583.4U patent/CN204036018U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139305A (en) * | 2014-08-04 | 2014-11-12 | 浙江西菱股份有限公司 | Drilling and tapping machine |
| CN104722793A (en) * | 2015-03-11 | 2015-06-24 | 温州职业技术学院 | Full-automatic drilling automatic machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141224 Effective date of abandoning: 20170822 |
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| AV01 | Patent right actively abandoned |