CN104801742A - Multi-bit drilling device - Google Patents
Multi-bit drilling device Download PDFInfo
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- CN104801742A CN104801742A CN201510160271.8A CN201510160271A CN104801742A CN 104801742 A CN104801742 A CN 104801742A CN 201510160271 A CN201510160271 A CN 201510160271A CN 104801742 A CN104801742 A CN 104801742A
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- Prior art keywords
- drill bit
- bevel gear
- differential
- driven wheel
- base plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
- B23B39/161—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles
- B23B39/162—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles having gear transmissions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a multi-bit drilling device, and belongs to the field of processing machinery. The multi-bit drilling device comprises a bottom plate, a power unit, a transmission unit, drill bits and a drill bit space adjusting unit; the transmission unit comprises a transmission shaft, a driving bevel gear and a driven bevel gear, wherein a transmission shaft is connected with the power unit, the driving bevel gear is coaxially fixed on the transmission shaft, the gear teeth of the driven bevel gear are matched with the gear teeth of the driving bevel gear and the drill bits are connected with the driven bevel gear; the drill bit space adjusting unit comprises an adjusting screw, a first shaft sleeve, a second shaft sleeve sleeving the drill bits, an adjusting spring, a deflector rod and a deflecting part, wherein the first shaft sleeve is inserted in the bottom plate, the adjusting screw and the driving bevel gear are correspondingly provided with a clamping structure, the two ends of the adjusting spring are respectively connected with the first shaft sleeve and the second shaft sleeve, the deflecting part is propped against the second shaft sleeve, the middle of the deflector rod is rotationally connected at one side of the bottom plate and the deflector rod is connected with the deflecting part. According to the multi-bit drilling device, the space among the drill bits can be adjusted.
Description
Technical field
The invention belongs to processing equipment field, particularly the many bit drilling devices of one.
Background technology
Many bit drilling devices are a kind of mechanical devices of machining hole on workpiece, existing common many bit drilling devices generally comprise the power unit, power transmission shaft and the driving gear that connect successively, the multiple driven gears engaged with driving gear respectively, and be arranged on the drill bit on each driven gear.Wherein, power unit is used for providing power, and power from power unit is delivered to drill bit by power transmission shaft, driving gear, driven gear successively, and multiple drill bit is holed under the effect of power simultaneously.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
Distance between each drill bit is determined by the diameter of driving gear and driven gear, when driving gear and driven gear constant, the distance between each drill bit is changeless.Due to the distance between each boring that operation while that the distance between each drill bit determining is formed, therefore the distance between each boring is also fixing, many bit drilling devices cannot be applicable to the requirement to different distance between boring in practical application, restricted application, to process the boring of different distance, then need at least one using multiple drilling equipment or change driving gear and driven gear, cost is higher and inconvenient.
Summary of the invention
In order to the problem that the drill bit spacing solving existing many bit drilling devices can not adjust, embodiments provide a kind of many bit drilling devices.Described technical scheme is as follows:
Embodiments provide a kind of many bit drilling devices, described many bit drilling devices comprise base plate, and the power unit connected successively, gear unit and at least two drill bits, described gear unit is arranged on the side of described base plate, and described gear unit comprises power transmission shaft, drive bevel gear, and with described drill bit driven wheel of differential one to one, described power transmission shaft is connected with described power unit, described drive bevel gear is coaxially fixed on described power transmission shaft, the gear teeth of driven wheel of differential described in each are worked in coordination with the gear teeth of described drive bevel gear respectively, and the axis being parallel of the axis of described driven wheel of differential and described drive bevel gear, one end of drill bit described in each is connected with each self-corresponding described driven wheel of differential respectively, described in each, the other end of drill bit stretches out described base plate, and the dead in line of the axis of described drill bit and described driven wheel of differential, described many bit drilling devices also comprise drill bit re-pitching unit, described drill bit re-pitching unit comprises adjustment screw, be set in the first axle sleeve outside described adjustment screw, be set in the second axle sleeve outside drill bit described in each, and adjust spring one to one with described second axle sleeve, driving lever and stir parts, described first axle sleeve is plugged in described base plate, interior intermittent screw thread is provided with in described first axle sleeve, and described adjustment screw is provided with the outer intermittent screw thread mated with described interior intermittent screw thread, one end of described adjustment screw and the inwall correspondence of described drive bevel gear are provided with interface arrangment, the one end adjusting spring described in each is connected with described first axle sleeve respectively, the other end adjusting spring described in each is connected with each self-corresponding described second axle sleeve respectively, described parts of stirring comprise interconnective concave curvatures, convex surface and joint face, described concave curvatures or the described convex surface of stirring parts described in each offset with each self-corresponding described second axle sleeve respectively, the middle part of described driving lever is installed in rotation on the side of described base plate, the one end of driving lever described in each respectively with each self-corresponding described in stir parts described joint face be connected.
In a kind of possible implementation of the present invention, the one end of driving lever described in each respectively with each self-corresponding described in stir parts and be fixedly connected with.
In the another kind of possible implementation of the present invention, the one end of driving lever described in each by bearing pin respectively with each self-corresponding described in stir parts and be connected, on described joint face, the position of relatively described concave curvatures is provided with the returning spring extended to described driving lever, and on described joint face, the position of relatively described convex surface is provided with the locating clamp plate extended to described driving lever.
In another possible implementation of the present invention, described many bit drilling devices also comprise drill bit fixed cell, described drill bit fixed cell comprises and described drill bit clamp nut one to one, described clamp nut inserts from an end face of described driven wheel of differential, and the periphery wall of described clamp nut is threaded with corresponding described driven wheel of differential, the internal perisporium of described clamp nut connects with corresponding described drill bit thread.
In another possible implementation of the present invention, described gear unit also comprises reductor, described reductor is arranged between described power transmission shaft and described power unit, elasticity connecting axle is provided with between one end of described reductor and described power transmission shaft, one end of described elasticity connecting axle is connected with one end of described power transmission shaft, the other end of described elasticity connecting axle is connected with described reductor, and the other end of described power transmission shaft is fixedly connected with described drive bevel gear.
In another possible implementation of the present invention, the center of driven wheel of differential described in each is evenly distributed on on the periphery that is the center of circle of the center of described drive bevel gear.
In another possible implementation of the present invention, described many bit drilling devices also comprise guide unit, the guide bar that described guide unit comprises guide plate, one end is connected with described guide plate and the guiding spring be set in outside described guide bar, described base plate is provided with the groove that the other end for described guide bar inserts, and described guiding spring is against between described guide plate and described base plate.
Alternatively, described guide unit also comprises locking nut, and described locking nut is fixed in described base plate, and described guide bar is through described locking nut.
In another possible implementation of the present invention, the opposite side of described base plate is provided with mark graduated location board foot.
In another possible implementation of the present invention, described many bit drilling devices also comprise the containment vessel be fixedly connected with described base plate, and described containment vessel is located at outside described gear unit.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
By interface arrangment, adjustment screw and drive bevel gear are blocked, the concave curvatures of stirring parts is propped up the second axle sleeve, driven wheel of differential is separated with drive bevel gear under the effect of regulating spring, rotate adjustment screw, drive drive bevel gear moving axially along the second axle sleeve, again the convex surface stirring parts is propped up the second axle sleeve, driven wheel of differential is engaged with drive bevel gear.Due to the tapered distribution of the gear teeth of drive bevel gear and driven wheel of differential, and the axis being parallel of the axis of described driven wheel of differential and described drive bevel gear, therefore drive bevel gear moving axially along the second axle sleeve, each driven wheel of differential is all relative to drive bevel gear moving radially along the second axle sleeve, the spacing of each driven wheel of differential increases or reduces, thus have adjusted the drill bit spacing be connected with driven wheel of differential, be applicable to the requirement to different distance between boring in practical application, expand restricted application, cost is low and easy to use.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the section of structure of many bit drilling devices that the embodiment of the present invention provides;
Fig. 2 is the adjustment bolt structure schematic diagram that the embodiment of the present invention provides;
Fig. 3 is the distribution schematic diagram of four drill bits that the embodiment of the present invention provides;
Fig. 4 is the partial enlargement structural representation of many bit drilling devices that the embodiment of the present invention provides;
Fig. 5 a and Fig. 5 b is the structural representation of the driving lever that the embodiment of the present invention provides;
Fig. 6 is the structural representation of the drill bit fixed cell that the embodiment of the present invention provides;
Fig. 7 is the structural representation of the drill bit clip that the embodiment of the present invention provides;
In figure, each symbol represents that implication is as follows:
1-base plate, the side of 11-base plate, 12-through hole, 13-locates board foot, 2-power unit, 3-drill bit, 41-power transmission shaft, 42-drive bevel gear, 43-driven wheel of differential, 44-elasticity connecting axle, 45-between centers positioning baffle, 50-interface arrangment, 51-adjusts screw, 52-first axle sleeve, 53-second axle sleeve, 54-adjusts spring, 55-driving lever, 56-stirs parts, 551-concave curvatures, 552-convex surface, 553-joint face, 554-bearing pin, 555-returning spring, 556-locating clamp plate, 100-first fulcrum, 200-second fulcrum, 61-clamp nut, 62-drill bit clip, 63-self-lubricating pad, 71-guide plate, 72-guide bar, 73-guides spring, 8-containment vessel.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment
The many bit drilling devices of the one that the embodiment of the present invention provides, as shown in Figure 1, this many bit drilling device comprises base plate 1, and the power unit 2 connected successively, gear unit and at least two drill bits 3, gear unit is arranged on the side 11 of base plate 1, and gear unit comprises power transmission shaft 41, drive bevel gear 42, and with drill bit 3 driven wheel of differential 43 one to one, power transmission shaft 41 is connected with power unit 2, drive bevel gear 42 is coaxially fixed on power transmission shaft 41, the gear teeth of each driven wheel of differential 43 cooperatively interact with the gear teeth of drive bevel gear 42 respectively, and the axis being parallel of the axis of driven wheel of differential 43 and drive bevel gear 42, one end of each drill bit 3 is connected with each self-corresponding driven wheel of differential 43 respectively, the other end of each drill bit 3 stretches out base plate 1, and the dead in line of the axis of drill bit 3 and driven wheel of differential 43.
This many bit drilling device also comprises drill bit re-pitching unit, drill bit re-pitching unit comprises adjustment screw 51 (referring to Fig. 2), be set in the first axle sleeve 52 outside adjustment screw 51, be set in the second axle sleeve 53 outside each drill bit 3, and adjust spring 54 one to one with the second axle sleeve 53, driving lever 55 and stir parts 56, first axle sleeve 52 is plugged in base plate 1, interior intermittent screw thread is provided with in first axle sleeve 52, and adjustment screw 51 is provided with the outer intermittent screw thread mated with interior intermittent screw thread, adjustment one end of screw 51 and the inwall correspondence of drive bevel gear 42 are provided with interface arrangment 50, one end of each adjustment spring 54 is connected with the first axle sleeve 52 respectively, the other end of each adjustment spring 54 is connected with each self-corresponding second axle sleeve 53 respectively, as shown in figure 5 a and 5b, stir parts 56 and comprise interconnective concave curvatures 551, convex surface 552 and joint face 553, composition graphs 1, each stirs the concave curvatures 551 of parts 56 or convex surface 552 offsets with each self-corresponding second axle sleeve 53 respectively, the middle part of driving lever is installed in rotation on the side of base plate, one end of each driving lever 55 is connected with each self-corresponding joint face 553 stirring parts 56 respectively.
In embodiments of the present invention, outer intermittent screw thread forms by along adjustment screw 51 outer wall circumference some sections of screw threads spaced apart, be provided with gap between two sections of screw threads that circumference is adjacent, the projection of two sections of axially adjacent screw threads in the plane being parallel to adjustment screw 51 cross section overlaps.Interior intermittent screw thread forms by along the first axle sleeve 52 inwall circumference some sections of screw threads spaced apart, and be provided with gap between two sections of screw threads that circumference is adjacent, the projection of two sections of axially adjacent screw threads in the plane being parallel to the first axle sleeve 52 cross section overlaps.
When adjustment screw 51 cross section is parallel with the first axle sleeve 52 cross section, outer intermittent screw thread and interior intermittent screw thread can be in two states: when in the first state, and the projection of outer intermittent screw thread in the plane being parallel to adjustment screw 51 cross section overlaps with interior intermittent screw thread; When in the second state, outer intermittent screw thread staggers in the projection be parallel in the plane adjusting screw 51 cross section and interior intermittent screw thread.
Easily know, when outer intermittent screw thread and interior intermittent screw thread are in the first state, adjustment screw 51 can only twist according to screw thread lines is relative with between the first axle sleeve 52; When outer intermittent screw thread and interior intermittent screw thread are in the second state, adjustment screw 51 can twist according to screw thread lines is relative with between the first axle sleeve 52, also can moving axially directly relatively along adjustment screw 51 or the first axle sleeve 52.
When adjusting screw 51 and being connected together with drive bevel gear 42, drive bevel gear 42 can be moved with the axis direction of adjustment screw 51 along power transmission shaft 41, or drive bevel gear 42 is moved with the axis direction of adjustment screw 51 along power transmission shaft 41 and rotates with adjustment screw 51 simultaneously.
More specifically, in embodiments of the present invention, interface arrangment 50 can comprise the annular slot of one end and the bulge-structure be distributed on the periphery wall of adjustment screw 51 of being arranged on adjustment screw 51 and the inwall being arranged on drive bevel gear 42.Bulge-structure can comprise multiple projection, also can be annular protrusion.Preferably, the thickness of projection or annular protrusion increases gradually in the middle of two side direction.
More specifically, in embodiments of the present invention, also be provided with multiple bulge-structure coordinated with projection in annular slot, make drive bevel gear 42 while moving along the axis direction of power transmission shaft 41 along with adjustment screw 51, can also rotate together along with adjustment screw 51.
Easily know, bulge-structure also can be arranged on the inwall of drive bevel gear 42, and annular slot is arranged on the periphery wall of adjustment screw 51.
Understandably, in order to the part flying chip damage gear unit produced when preventing from holing, gear unit is arranged on the side of the working face deviating from base plate 1.
It should be noted that, although the many bit drilling devices in Fig. 1 only comprise two drill bits 3, but, be appreciated that, it also can comprise multiple drill bit 3, such as, three, four etc., as shown in Figure 3, when many bit drilling devices comprise four drill bits 3, four drill bits 3 are evenly arranged around drive bevel gear 42 circumference, the parts corresponding to each drill bit 3 and and other parts between annexation and the also corresponding change of locations of structures relation, such as, four driven wheels of differential 43 evenly arranged around drive bevel gear 42 circumference are set accordingly, four drill bits 3 are plugged in corresponding driven wheel of differential 43 respectively, other parts relevant to drill bit 3 are also corresponding to be made a change, here repeat no more.
Preferably, the center of each driven wheel of differential 43 can be evenly distributed on on the periphery that is the center of circle of the center of drive bevel gear 42, and what make between drive bevel gear 42 and driven wheel of differential 43 is stressed more even.
Alternatively, gear unit can also comprise reductor (not shown), and reductor is arranged between power transmission shaft 41 and power unit 2, and reductor plays the rotating speed reducing power unit 2 and export, and improves the effect of outputting torsion.
Preferably, can be provided with elasticity connecting axle 44 between one end of reductor and power transmission shaft 41, one end of elasticity connecting axle 44 is connected with one end of power transmission shaft 41, and the other end of elasticity connecting axle 44 is connected with reductor.Elasticity connecting axle 44 not only ensure that the power transmission between reductor and power transmission shaft 41, also for drive bevel gear 42 and power transmission shaft 41 provide the space of horizontal displacement.
Alternatively, gear unit can also comprise between centers positioning baffle 45, and between centers positioning baffle 45 is set in outside power transmission shaft 41 and reductor, plays the effect of protection power transmission shaft 41 and fixing reductor.
Alternatively, be provided with in base plate 1 and drill bit 3 through hole 12 one to one, the cross section of through hole 12 is elongated, and each through hole 12 radially distributes around drill bit 3, drill bit 3 passes base plate 1 by corresponding through hole 12, and easily know, the cross-sectional area of through hole 12 is greater than the cross-sectional area of drill bit 3, through hole 12, while the space providing adjustment spacing for each drill bit 3, also defines the spacing adjusting range of each drill bit 3.Understandably, the cross section of through hole 12 also can not be strip, but other shapes, such as ellipse etc., as long as ensure that through hole 12 can provide for drill bit 3 space adjusting spacing, the embodiment of the present invention does not limit this.
In a kind of implementation of the present embodiment, see Fig. 4 and Fig. 5 a, one end of each driving lever 55 is fixedly connected with each self-corresponding parts 56 of stirring respectively.
In the another kind of implementation of the present embodiment, see Fig. 4 and Fig. 5 b, one end of each driving lever 55 can be connected with each self-corresponding parts 56 of stirring respectively by bearing pin 554, on joint face 553, the position of opposing female curved surface 551 is provided with the returning spring 555 extended to driving lever 55, utilize the elasticity of returning spring 555, driving lever 55 can be in course of adjustment Rapid reset, on joint face, the position of relative convex surface 552 is provided with the locating clamp plate 556 extended to driving lever 55, and locating clamp plate 556 is for limiting the adjusting range of driving lever 55.
In embodiments of the present invention, see Fig. 1, each second axle sleeve 53 can be provided with the first fulcrum 100 offseted with each self-corresponding concave curvatures 551 or convex surface 552 respectively, the side 11 of base plate 1 can be provided with the second fulcrum 200 be connected with the middle part of each driving lever 55, driving lever 55 rotates centered by the second fulcrum 200.
Particularly, driving lever 55 rotates the plane at place can perpendicular to the axis of drill bit 3, and concave curvatures 551 and convex surface 552 are in rotational direction arranged.
In another implementation of the present embodiment, see Fig. 6, this many bit drilling device can also comprise drill bit fixed cell, drill bit fixed cell comprises and drill bit 3 clamp nut 61 one to one, clamp nut 61 inserts from an end face of driven wheel of differential 43, and the periphery wall of clamp nut 61 is threaded with corresponding driven wheel of differential 43, the internal perisporium of clamp nut 61 is threaded with corresponding drill bit 3, thus is fixed on corresponding driven wheel of differential 43 by drill bit 3 by clamp nut 61.
Particularly, as shown in Figure 7, drill bit fixed cell also comprises and drill bit 3 drill bit clip 62 one to one, drill bit clip 62 is fastened on outside corresponding drill bit 3, an end face of drill bit clip 62 offsets with an end face of corresponding driven wheel of differential 43, drill bit clip 62, for limiting the axially-movable produced between driven wheel of differential 43 and drill bit 3, makes drill bit can be arranged on fast and accurately in driven wheel of differential 43.When drill bit 3 is fixed with driven wheel of differential 43 by needs, first drill bit 3 is plugged in driven wheel of differential 43, recycling drill bit clip 62 limits driven wheel of differential 43 and does not produce axially-movable with drill bit 3, then clamp nut 61 is tightened, by clamp nut 61, drill bit 3 is fixedly connected with driven wheel of differential 43, reaches the effect of fixed drill bit 3.When not using drill bit 3, only need first unscrew clamp nut 61, drill bit 3 can be pulled down.
Preferably, self-lubricating pad 63 can also be provided with between the both ends of the surface of drill bit clip 62.
In another implementation of the present embodiment, see Fig. 1, this many bit drilling device can also comprise guide unit, the guide bar 72 that guide unit comprises guide plate 71, one end is connected with guide plate 71 and the guiding spring 73 be set in outside guide bar 72, base plate 1 is provided with the groove that the other end for guide bar 72 inserts, guiding spring 73 is against between guide plate 71 and base plate 1, and the other end of guide bar 72 can be plugged in groove all the time by guiding spring 73.Because guide plate 71 is parallel to many bit drilling devices and machined surface simultaneously, thus make many bit drilling devices be parallel to machined surface all the time, ensure that the degree of accuracy of processing.
Alternatively, guide unit can also comprise locking nut, and locking nut is fixed in base plate 1, and guide bar 72 is through locking nut.Before the guiding of employing guide unit, locking nut is first utilized to fix guide bar 72, determine Working position, after guide plate 71 is close to machined surface, then unclamp locking nut, in the ensuing course of work, along with drill bit 3 gos deep in workpiece, guide bar 72 also inserts in the groove in the side 11 of base plate 1 gradually, improves the setting accuracy of guide unit, for location guide plate 71 is provided convenience.
Particularly, the length of guide bar 72 is not more than the length that drill bit 3 passes the part of base plate 1.
In another implementation of the present embodiment, the opposite side of base plate 1 can be provided with mark graduated location board foot 13, and user can according to the actual requirements, according to the scale on the board foot 13 of location, by the spacing of drill bit re-pitching unit adjustment drill bit 3, improve the accuracy of processing.
In another implementation of the present embodiment, many bit drilling devices also comprise the containment vessel 8 be fixedly connected with base plate 1, and containment vessel 8 is located at outside gear unit, play the effect of protection gear unit.
Alternatively, power unit 2 can comprise the power source of the motor be connected with gear unit and the energy storage battery be connected with motor or drilling machine.
Particularly, when this many bit drilling device is applied to hand-operated tools brill, power unit 2 comprises motor and energy storage battery; When this many bit drilling device is applied to rotating shaft drilling machine, power unit 2 comprises the power source of motor and drilling machine.
Simply introduce the operation principle of many bit drilling devices that the embodiment of the present invention provides below:
During clutch, stir driving lever 55, if concave curvatures 551 is propped up the first fulcrum 100, driven wheel of differential 43, under the thrust of adjustment spring 54, is separated with drive bevel gear 42; If convex surface 552 and the first fulcrum 100 offset, driven wheel of differential 43, under the thrust of driving lever 55, engages with drive bevel gear 42.
During adjustment drill bit spacing, engage in situation at driven wheel of differential 43 with drive bevel gear 42, first intermittent screw thread in the outer intermittent screw thread of adjustment screw 51 and the first axle sleeve 52 is in the second state, again adjustment screw 51 is inserted in drive bevel gear 42, and by interface arrangment 50, adjustment screw 5 and drive bevel gear 42 are connected together.Stir driving lever 55, make concave curvatures 551 against the second axle sleeve 53, drive bevel gear 42 is separated with driven wheel of differential 43.Intermittent screw thread in the outer intermittent screw thread of adjustment screw 51 and the first axle sleeve 52 is in the first state or the second state, twisting adjustment screw 51, adjustment screw 51 rotates relative to the first axle sleeve 52, torsional forces is converted into the axially-movable along the second axle sleeve 53, drives the equidirectional movement of drive bevel gear 42 and compression or release elasticity connecting axle 44.Stir driving lever 55, make convex surface 552 against the second axle sleeve 53, drive bevel gear 42 and driven wheel of differential 43 engage.Due to the tapered distribution of the gear teeth of drive bevel gear 42 and driven wheel of differential 43, the axis of driven wheel of differential 43 and the axis being parallel of drive bevel gear 42, therefore after drive bevel gear 42 moves, compared with before, distance between driven wheel of differential 43 again after engagement can reduce or increase, and the drill bit spacing be namely connected with driven wheel of differential 43 reduces or increases.Now again intermittent screw thread in the outer intermittent screw thread of adjustment screw 51 and the first axle sleeve 52 is in the first state, adjustment screw 51 is extracted in the draw-in groove drive bevel gear 42.
During guiding, guide plate 71 and surface of the work are fitted, and in the process of boring, along with drill bit 3 enters boring, the distance between guide plate 71 and base plate 1 is reducing, and guide bar 72 inserts the groove in the side 11 of base plate 1, and guiding spring 73 is compressed.When one end in the groove being plugged in base plate 1 of guide bar 72 and bottom portion of groove offset, drilling depth reaches maximum.Taken out from boring by drill bit 3, guide bar 72, under the elastic force effect of guiding spring 73, stretches out from groove.
During boring, power unit 2 provides power, reductor, power transmission shaft 41, drive bevel gear 42, driven wheel of differential 43 successively by power transmission to drill bit 3, make drill bit 3 rotate boring.
Adjustment screw and drive bevel gear are blocked by interface arrangment by the present embodiment, the concave curvatures of stirring parts is propped up the second axle sleeve, driven wheel of differential is separated with drive bevel gear under the effect of regulating spring, rotate adjustment screw, drive drive bevel gear moving axially along the second axle sleeve, again the convex surface stirring parts is propped up the second axle sleeve, driven wheel of differential is engaged with drive bevel gear.Due to the tapered distribution of the gear teeth of drive bevel gear and driven wheel of differential, and the axis being parallel of the axis of driven wheel of differential and drive bevel gear, therefore drive bevel gear moving axially along the second axle sleeve, each driven wheel of differential is all relative to drive bevel gear moving radially along the second axle sleeve, the spacing of each driven wheel of differential increases or reduces, thus have adjusted the drill bit spacing be connected with driven wheel of differential, be applicable to the requirement to different distance between boring in practical application, expand restricted application, cost is low and easy to use.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. bit drilling device more than a kind, described many bit drilling devices comprise base plate, and the power unit connected successively, gear unit and at least two drill bits, it is characterized in that, described gear unit is arranged on the side of described base plate, and described gear unit comprises power transmission shaft, drive bevel gear, and with described drill bit driven wheel of differential one to one, described power transmission shaft is connected with described power unit, described drive bevel gear is coaxially fixed on described power transmission shaft, the gear teeth of driven wheel of differential described in each are worked in coordination with the gear teeth of described drive bevel gear respectively, and the axis being parallel of the axis of described driven wheel of differential and described drive bevel gear, one end of drill bit described in each is connected with each self-corresponding described driven wheel of differential respectively, described in each, the other end of drill bit stretches out described base plate, and the dead in line of the axis of described drill bit and described driven wheel of differential,
Described many bit drilling devices also comprise drill bit re-pitching unit, described drill bit re-pitching unit comprises adjustment screw, be set in the first axle sleeve outside described adjustment screw, be set in the second axle sleeve outside drill bit described in each, and adjust spring one to one with described second axle sleeve, driving lever and stir parts, described first axle sleeve is plugged in described base plate, interior intermittent screw thread is provided with in described first axle sleeve, and described adjustment screw is provided with the outer intermittent screw thread mated with described interior intermittent screw thread, one end of described adjustment screw and the inwall correspondence of described drive bevel gear are provided with interface arrangment, the one end adjusting spring described in each is connected with described first axle sleeve respectively, the other end adjusting spring described in each is connected with each self-corresponding described second axle sleeve respectively, described parts of stirring comprise interconnective concave curvatures, convex surface and joint face, described concave curvatures or the described convex surface of stirring parts described in each offset with each self-corresponding described second axle sleeve respectively, the middle part of described driving lever is installed in rotation on the side of described base plate, the one end of driving lever described in each respectively with each self-corresponding described in stir parts described joint face be connected.
2. many bit drilling devices according to claim 1, is characterized in that, the one end of driving lever described in each respectively with each self-corresponding described in stir parts and be fixedly connected with.
3. many bit drilling devices according to claim 1, it is characterized in that, the one end of driving lever described in each by bearing pin respectively with each self-corresponding described in stir parts and be connected, on described joint face, the position of relatively described concave curvatures is provided with the returning spring extended to described driving lever, and on described joint face, the position of relatively described convex surface is provided with the locating clamp plate extended to described driving lever.
4. many bit drilling devices according to claim 1, it is characterized in that, described many bit drilling devices also comprise drill bit fixed cell, described drill bit fixed cell comprises and described drill bit clamp nut one to one, described clamp nut inserts from an end face of described driven wheel of differential, and the periphery wall of described clamp nut is threaded with corresponding described driven wheel of differential, the internal perisporium of described clamp nut connects with corresponding described drill bit thread.
5. many bit drilling devices according to claim 1, it is characterized in that, described gear unit also comprises reductor, described reductor is arranged between described power transmission shaft and described power unit, elasticity connecting axle is provided with between one end of described reductor and described power transmission shaft, one end of described elasticity connecting axle is connected with one end of described power transmission shaft, and the other end of described elasticity connecting axle is connected with described reductor.
6. many bit drilling devices according to claim 1, is characterized in that, the center of driven wheel of differential described in each is evenly distributed on on the periphery that is the center of circle of the center of described drive bevel gear.
7. many bit drilling devices according to claim 1, it is characterized in that, described many bit drilling devices also comprise guide unit, the guide bar that described guide unit comprises guide plate, one end is connected with described guide plate and the guiding spring be set in outside described guide bar, described base plate is provided with the groove that the other end for described guide bar inserts, and described guiding spring is against between described guide plate and described base plate.
8. many bit drilling devices according to claim 7, is characterized in that, described guide unit also comprises locking nut, and described locking nut is fixed in described base plate, and described guide bar is through described locking nut.
9. many bit drilling devices according to claim 1, is characterized in that, the opposite side of described base plate is provided with mark graduated location board foot.
10. many bit drilling devices according to claim 1, is characterized in that, described many bit drilling devices also comprise the containment vessel be fixedly connected with described base plate, and described containment vessel is located at outside described gear unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510160271.8A CN104801742B (en) | 2015-04-07 | 2015-04-07 | A kind of many bit drilling devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510160271.8A CN104801742B (en) | 2015-04-07 | 2015-04-07 | A kind of many bit drilling devices |
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| CN104801742B CN104801742B (en) | 2017-04-05 |
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| CN201510160271.8A Active CN104801742B (en) | 2015-04-07 | 2015-04-07 | A kind of many bit drilling devices |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171034A (en) * | 2015-10-18 | 2015-12-23 | 滁州品之达电器科技有限公司 | Intelligent double-head bench drill |
| CN105935786A (en) * | 2016-06-30 | 2016-09-14 | 吴中区横泾博尔机械厂 | Punching device of solenoid valve deck machining equipment |
| CN106930690A (en) * | 2017-04-11 | 2017-07-07 | 嘉兴欣创混凝土制品有限公司 | Planetary drilling equipment |
| CN106950607A (en) * | 2017-03-14 | 2017-07-14 | 李培培 | A kind of Reconnaissance Survey device being conveniently replaceable |
| CN107052392A (en) * | 2017-05-26 | 2017-08-18 | 长安大学 | A kind of adjustable multiaxis hydraulic drill of drill bit spacing and method of work |
| CN107322030A (en) * | 2017-06-28 | 2017-11-07 | 芜湖德丰汽车零部件有限公司 | A kind of rig of adjustable cross distribution pitch of holes |
| CN107685255A (en) * | 2017-09-01 | 2018-02-13 | 天津高科宇通人防设备制造有限公司 | The hole silk device and application method of one band four |
| CN107775327A (en) * | 2017-11-15 | 2018-03-09 | 嘉善县晓海金属制品厂（普通合伙） | A kind of hand-held screwing device |
| CN108526514A (en) * | 2018-03-15 | 2018-09-14 | 陈善兰 | A kind of adjustable drilling equipment |
| CN108838425A (en) * | 2018-05-05 | 2018-11-20 | 芜湖杰诺科技有限公司 | A kind of valve mounting surface brill processing unit (plant) |
| CN109137581A (en) * | 2018-09-03 | 2019-01-04 | 安徽深蓝自动化设备有限公司 | A kind of madanku transmission channel facilitating debugging |
| CN109176736A (en) * | 2018-09-29 | 2019-01-11 | 重庆祥格家居有限公司 | Multi-hole drill mechanism |
| CN110524025A (en) * | 2019-09-24 | 2019-12-03 | 北华大学 | A kind of deep hole drill jig for small-sized orthopaedics hollow screw |
| CN110666984A (en) * | 2019-10-08 | 2020-01-10 | 江苏金斗云新型材料科技有限公司 | High-efficient drilling equipment of slabstone material |
| CN110842246A (en) * | 2019-11-21 | 2020-02-28 | 竺少明 | Multi-station machining bench drill equipment free of drill bit mounting and dismounting |
| CN110976939A (en) * | 2019-11-22 | 2020-04-10 | 曹玉生 | Four-bit punching head mechanism of machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171034A (en) * | 2015-10-18 | 2015-12-23 | 滁州品之达电器科技有限公司 | Intelligent double-head bench drill |
| CN105935786A (en) * | 2016-06-30 | 2016-09-14 | 吴中区横泾博尔机械厂 | Punching device of solenoid valve deck machining equipment |
| CN106950607A (en) * | 2017-03-14 | 2017-07-14 | 李培培 | A kind of Reconnaissance Survey device being conveniently replaceable |
| CN106930690A (en) * | 2017-04-11 | 2017-07-07 | 嘉兴欣创混凝土制品有限公司 | Planetary drilling equipment |
| CN107052392A (en) * | 2017-05-26 | 2017-08-18 | 长安大学 | A kind of adjustable multiaxis hydraulic drill of drill bit spacing and method of work |
| CN107052392B (en) * | 2017-05-26 | 2019-11-29 | 长安大学 | A kind of drill bit multiaxis hydraulic drill adjustable in pitch and working method |
| CN107322030A (en) * | 2017-06-28 | 2017-11-07 | 芜湖德丰汽车零部件有限公司 | A kind of rig of adjustable cross distribution pitch of holes |
| CN107685255A (en) * | 2017-09-01 | 2018-02-13 | 天津高科宇通人防设备制造有限公司 | The hole silk device and application method of one band four |
| CN107685255B (en) * | 2017-09-01 | 2024-06-04 | 天津高科宇通人防设备制造有限公司 | Hole wire device with four holes and use method |
| CN107775327A (en) * | 2017-11-15 | 2018-03-09 | 嘉善县晓海金属制品厂（普通合伙） | A kind of hand-held screwing device |
| CN108526514A (en) * | 2018-03-15 | 2018-09-14 | 陈善兰 | A kind of adjustable drilling equipment |
| CN108838425A (en) * | 2018-05-05 | 2018-11-20 | 芜湖杰诺科技有限公司 | A kind of valve mounting surface brill processing unit (plant) |
| CN108838425B (en) * | 2018-05-05 | 2020-03-17 | 芜湖杰诺科技有限公司 | Valve installation face bores processingequipment |
| CN109137581A (en) * | 2018-09-03 | 2019-01-04 | 安徽深蓝自动化设备有限公司 | A kind of madanku transmission channel facilitating debugging |
| CN109176736A (en) * | 2018-09-29 | 2019-01-11 | 重庆祥格家居有限公司 | Multi-hole drill mechanism |
| CN110524025A (en) * | 2019-09-24 | 2019-12-03 | 北华大学 | A kind of deep hole drill jig for small-sized orthopaedics hollow screw |
| CN110524025B (en) * | 2019-09-24 | 2024-05-03 | 北华大学 | Deep hole drilling clamp for small-sized orthopaedics hollow screw |
| CN110666984A (en) * | 2019-10-08 | 2020-01-10 | 江苏金斗云新型材料科技有限公司 | High-efficient drilling equipment of slabstone material |
| CN110842246A (en) * | 2019-11-21 | 2020-02-28 | 竺少明 | Multi-station machining bench drill equipment free of drill bit mounting and dismounting |
| CN110976939A (en) * | 2019-11-22 | 2020-04-10 | 曹玉生 | Four-bit punching head mechanism of machine tool |
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