CN212526109U - Drill bit loop for oil pressure drilling machine - Google Patents

Abstract

The utility model discloses a drill bit looper for oil pressure drilling machine belongs to drilling machine technical field, and it includes the bracing piece and keeps off the bits subassembly, be provided with the elastic component on the bracing piece, the bracing piece is connected along drill bit endwise slip with the headstock of oil pressure drilling machine, the last connecting portion of being connected with the headstock that have of elastic component, the bracing piece is connected with keeping off the bits subassembly, keep off and set up the fender bits hole that supplies the drill bit to pass on the bits subassembly. The utility model discloses have the effect that reduces ring flange surface fish tail, improves ring flange surface quality.

Description

Drill bit loop for oil pressure drilling machine

Technical Field

The utility model relates to a drilling machine technical field, more specifically say, it relates to a drill bit loop for oil pressure drilling machine.

Background

The oil pressure drilling machine is commonly called as a hydraulic drilling machine, a multi-spindle drilling machine and a multi-hole drilling machine, is novel high-efficiency hole machining equipment, has high machining precision, high efficiency and wide application range, can effectively save manpower, material resources and financial resources of investors, becomes a model of high-precision machining industry, is particularly suitable for hole machining of single-piece or batch production flange plates, and is a machine tool preferred by a mass production machining workshop.

At present, the Chinese patent with publication number CN102764905A discloses a full hydraulic numerical control drilling machine, which comprises a column, a main spindle box, a base, a lifting workbench and a control box; the main shaft box is fixed on a stand column, a guide rail is arranged on the stand column, the lifting workbench is installed on the stand column through the guide rail, the stand column is provided with a bracket, the control box is installed on the bracket of the stand column, a lifting oil cylinder is arranged at the lower part of the lifting workbench, and the main shaft box comprises a hydraulic motor, a driving gear, a feeding oil cylinder, a box body, a main shaft and a driven gear; the hydraulic motor is arranged at the top end of the box body, the feeding oil cylinder is fixed in the box body, the main shaft is arranged in a piston rod of the feeding oil cylinder and driven by the hydraulic motor, and feeding motion is directly completed by the feeding oil cylinder. One end of the main shaft close to the ground is provided with a drill bit for drilling. The workpiece is placed on the lifting workbench, the drilling machine is started, the feeding oil cylinder drives the main shaft to move towards the direction close to the ground, meanwhile, the hydraulic motor drives the main shaft to enable the drill bit to rotate, and after the drill bit is contacted with the workpiece, the drill bit continues to move towards the direction close to the ground and rotates, so that the drilling of the workpiece by the drill bit is realized.

In order to facilitate the drilling of the drill bit and discharge the waste chips generated during the drilling, the drill bit is generally provided with a chip groove which is spirally arranged along the axial direction of the drill bit.

When utilizing the drilling machine processing ring flange among the above-mentioned technical scheme, the drill bit dashes and bores work, and the sweeps can be followed the chip groove and removed to the ring flange surface, and the sweeps takes place to remove at the ring flange surface under the driving action of drill bit pivoted or the driving force of other sweeps to easily produce the condition on sweeps fish tail ring flange surface, thereby influence the surface quality of ring flange.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drill bit loop for oil pressure drilling machine has the effect that reduces ring flange surface fish tail, improves ring flange surface quality to the not enough of prior art existence.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a drill bit looper for oil pressure drilling machine, includes the bracing piece and keeps off the bits subassembly, be provided with the elastic component on the bracing piece, the bracing piece is connected along drill bit axial sliding with the headstock of oil pressure drilling machine, the last connecting portion of being connected with the headstock that have of elastic component, the bracing piece with keep off the bits subassembly and be connected, keep off and set up the fender bits hole that supplies the drill bit to pass on the bits subassembly.

Through adopting above-mentioned technical scheme, to the direction bracing piece that slides of keeping away from ground, the elastic component takes place deformation this moment, then place the ring flange on elevating platform, loosen the bracing piece, make and keep off the bits subassembly and contradict with the ring flange surface under the effect of elastic component restoring force, the drill bit passes and keeps off bits pore pair ring flange on the bits subassembly and when dashing and boring, keep off the bits subassembly and play the effect of blockking between sweeps and ring flange surface, can contact under the driving effect of drill bit pivoted or the thrust of other sweeps and keep off the bits subassembly when the sweeps, and difficult direct contact ring flange surface, thereby the fish tail of sweeps to ring flange surface has been reduced, the surface quality of ring flange has been improved.

The present invention may be further configured in a preferred embodiment as: the scrap blocking assembly comprises a scrap blocking block and a connecting rod, the scrap blocking hole is located in the scrap blocking block, one end of the connecting rod is connected with the scrap blocking block, and the other end of the connecting rod is detachably connected with the supporting rod through a connecting piece.

By adopting the technical scheme, the scrap blocking block has the most main blocking effect on the scraps and the surface of the flange plate, so that the scratch of the scraps on the surface of the flange plate can be reduced; the connecting rod passes through the connecting piece with the bracing piece can dismantle and be connected, is convenient for change the fender bits piece of different aperture sizes for the drill bit loop is applicable to the demand that the different diameter apertures were got to the ring flange brill.

The present invention may be further configured in a preferred embodiment as: the spindle box is fixedly connected with a fixed shaft, and the support rod is connected with the fixed shaft in a sliding mode along the axial direction of the fixed shaft.

Through adopting above-mentioned technical scheme, the sliding connection of fixed axle and bracing piece has realized the sliding connection of bracing piece and headstock.

The present invention may be further configured in a preferred embodiment as: the elastic part comprises a return spring and an annular sheet, the annular sheet is fixedly arranged at one end of the supporting rod far away from the fixed shaft, one end of the return spring can be in contact connection with the fixed shaft, and the other end of the return spring is fixedly connected with the annular sheet.

By adopting the technical scheme, one end of the return spring can be in contact connection with the fixed shaft, the annular sheet connects the other end of the return spring with the supporting rod, the return spring can stretch out and draw back between the annular sheet and the fixed shaft when the drill bit drills, and the scrap blocking assembly can be always kept to be abutted against the flange plate by utilizing the elastic force of the return spring; the annular sheet can limit the position of the return spring, and one end of the return spring is fixed on the support rod to prevent falling off.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a bracing piece, including bracing piece, fixed axle, bracing piece, arch and bracing piece, be provided with the arch on the face of being connected of bracing piece and fixed axle, protruding and bracing piece along bracing piece radius direction sliding connection, set up the driving piece that is used for driving arch and bracing piece sliding connection on the bracing piece.

By adopting the technical scheme, the bulges are driven by the driving piece to be connected with the supporting rod in a sliding way along the radius direction of the supporting rod, so that the bulges can be retracted into the supporting rod when being stressed, the supporting rod can conveniently slide in the fixed shaft, and the bulges extend out of the supporting rod to be abutted against the fixed shaft to fix the supporting rod when not being stressed; in addition, utilize bellied fixed action can be fixed in the fixed axle with the bracing piece when out of work, and reset spring can be in the original long state at the fixed axle of need not contact when out of work, and the during operation just contacts the fixed axle and produces deformation, reduces reset spring's fatigue loss to extension reset spring's life.

The present invention may be further configured in a preferred embodiment as: the bracing piece has seted up the groove of sliding along its radial direction, protruding and the groove of sliding are slided and are connected, the driving piece is coupling spring, coupling spring one end is connected with the groove tank bottom of sliding, and the other end is connected with the arch.

Through adopting above-mentioned technical scheme, connect arch and bracing piece through the driving piece, the driving piece is coupling spring, utilizes coupling spring's elastic action, and the arch of being convenient for slides in the groove that slides.

The present invention may be further configured in a preferred embodiment as: the fixed shaft is provided with a groove corresponding to the protrusion, the protrusion is matched with the groove in a clamping manner, and one end of the protrusion clamped with the groove is hemispherical.

Through adopting above-mentioned technical scheme, the bracing piece can effectively be fixed in the setting of recess, and the arch is hemispherical and makes things convenient for when protruding atress to the direction that is close to the groove bottom that slides and removes to make the arch from the roll-off in the recess.

The present invention may be further configured in a preferred embodiment as: the bracing piece all is provided with two with the connecting rod, and the one-to-one, the tie point place plane and the ring flange surface parallel of connecting rod and bracing piece.

By adopting the technical scheme, the plane of the connecting point of the connecting rod and the supporting rod is parallel to the surface of the flange plate, so that the resistance of the periphery of the scrap blocking block is the same, the same reaction force is also given to the elastic part, and the stability of the whole loop is improved.

The present invention may be further configured in a preferred embodiment as: the connecting piece is a U-shaped bolt or a bolt pair or a hose clamp.

By adopting the technical scheme, the arrangement of the connecting piece is convenient for replacing the chip blocking blocks with different apertures, and the drilling tool can meet the drilling requirements of different diameters; the hose clamp has balanced torsional moment, the size of the hose clamp can be adjusted according to the positions or the sizes of the connected supporting rod and the connecting rod, the hose clamp is suitable for different loop structures, the U-shaped bolt and the hose clamp can conveniently adjust the clamping position according to the thickness of the flange plate, so that the distance between the loop and the flange plate is adjusted, and the hose clamp is suitable for flange plates with different thickness standards; the bolt pair can enable the support rod and the connecting rod to be fixed more tightly, and relative sliding is reduced.

The present invention may be further configured in a preferred embodiment as: through holes are correspondingly formed in the support rod and the connecting rod, and a bolt of the bolt pair penetrates through the through holes in the support rod and the connecting rod to be in threaded connection with a nut of the bolt pair.

Through adopting above-mentioned technical scheme, set up the through-hole on bracing piece and connecting rod, the bolt that corresponds passes through the through-hole and nut threaded connection, can make bracing piece and connecting rod fixed inseparabler, reduces not hard up in the working process.

To sum up, the utility model discloses a following at least one useful technological effect:

one of them, play the effect of blockking through keeping off the bits subassembly between sweeps and ring flange surface, the sweeps can contact under the drive effect of drill bit pivoted or the driving force of other sweeps when the impact drill keeps off the bits subassembly, and difficult direct contact ring flange surface to reduce the fish tail of sweeps to ring flange surface, improved the surface quality of ring flange.

And secondly, through the arrangement of the reset spring and the annular sheet, the elastic force of the reset spring can be utilized to ensure that the scrap stopping assembly is abutted against the surface of the flange plate, so that the scrap is not easy to enter the flange plate and the scrap stopping assembly.

Thirdly, through the setting of connecting piece, be convenient for change different fender bits hole aperture size and keep off bits subassembly for the drill bit loop is applicable to the ring flange and bores the demand of getting different diameter apertures.

Drawings

FIG. 1 is an overall structure diagram of an embodiment of the present invention;

fig. 2 is a partial exploded view of the fixing shaft and the support rod according to the embodiment of the present invention;

FIG. 3 is a partial structure diagram of the embodiment of the present invention, illustrating the connection of the bolt pair with the support rod and the connecting rod;

fig. 4 is a partial structure view of the embodiment of the present invention to show the connection between the hose clamp and the support rod or the connection rod.

Reference numerals: 1. a fixed shaft; 11. a groove; 2. a support bar; 21. a protrusion; 22. a sliding groove; 23. a drive member; 3. an elastic member; 31. a return spring; 32. an annular sheet; 4. a chip blocking assembly; 41. a chip blocking hole; 42. a chip blocking block; 43. a connecting rod; 5. a connecting member; 6. a main spindle box; 7. a drill bit; 8. and a through hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, for the utility model discloses a drill bit loop for oil pressure drilling machine, including bracing piece 2, elastic component 3, fender bits subassembly 4 and connecting piece 5, bracing piece 2, elastic component 3 and connecting piece 5 correspond the setting, and two bracing pieces 2, two elastic components 3 and two connecting pieces 5 are preferred for use to this embodiment, stable in structure, and loading and unloading are convenient.

The spindle box 6 is provided with two fixed shafts 1 which correspond to the support rods 2 one by one. The two fixed shafts 1 are symmetrically welded on two sides of a main spindle box 6 of the drilling machine by taking the axial direction of the drill bit 7 as a symmetrical axis, and the two support rods 2 are in sliding connection with the corresponding fixed shafts 1 along the axial direction of the fixed shafts 1.

Elastic component 3 overlaps respectively and establishes on corresponding bracing piece 2, elastic component 3 includes reset spring 31 and annular piece 32, the welding of annular piece 32 is in the bracing piece 2 one end of keeping away from fixed axle 1, reset spring 31 one end and fixed axle 1 contactability are connected, the other end and annular piece 32 fixed connection, when reset spring 31 contacts fixed axle 1, keep off bits subassembly 4 contact ring flange surface resistance effect time, reset spring 31 is compressed, consequently usable reset spring 31's the recovery deformation power makes and keeps off bits subassembly 4 and ring flange butt.

The chip blocking assembly 4 comprises a chip blocking block 42 and two connecting rods 43 correspondingly arranged with the supporting rod 2, chip blocking holes 41 for the drill bit 7 to pass through are formed in the chip blocking block 42, and the connecting rods 43 are welded with the chip blocking block 42. The connecting piece 5 adopts U-shaped bolts, the two support rods 2 are parallel and are detachably connected with the corresponding connecting rods 43 through the U-shaped bolts, and the planes of the connection points of the two groups of support rods 2 and the connecting rods 43 are parallel to the surface of the flange plate.

As shown in fig. 2, a protrusion 21 is arranged on the connecting surface of the support rod 2 and the fixing shaft 1, a groove 11 corresponding to the protrusion 21 is formed in the fixing shaft 1, the protrusion 21 is in clamping fit with the groove 11, and one end of the protrusion 21 in clamping fit with the groove 11 is hemispherical, so that the protrusion 21 can conveniently slide out of the groove 11.

The bracing piece 2 is seted up along its radial direction with protruding 21 corresponding groove 22 that slides, it is provided with driving piece 23 in the groove 22 to slide, driving piece 23 adopts coupling spring, protruding 21 is connected with groove 22 tank bottom of sliding through coupling spring, 2 radial direction and bracing piece 2 sliding connection of bracing piece can be followed to protruding 21 receiving coupling spring's actuating action, the atress can be retracted in the bracing piece 2, make things convenient for bracing piece 2 to slide in fixed axle 1, the atress then stretches out 2 surface card of bracing piece in recess 11, fixed support bar 2.

In another embodiment, as shown in fig. 3, the connecting member 5 may employ a bolt pair. One end of the support rod 2 far away from the fixed shaft 1 and one end of the connecting rod 43 close to the support rod 2 are correspondingly provided with through holes 8. The bolt of the bolt pair passes through the support rod 2 and the through hole 8 of the connecting rod 43 to be in threaded connection with the nut, so that the support rod 2 and the connecting rod 43 can be detachably connected.

In another embodiment, as shown in fig. 4, the connecting member 5 may also be a hose clamp to realize the detachable connection between the support rod 2 and the connecting rod 43, and the size of the hose clamp can be adjusted freely to be suitable for different loop structures.

The specific working principle of this embodiment is as follows: two bracing pieces 2 of the orientation slip of keeping away from the ring flange along 1 axial of fixed axle respectively, bracing piece 2 and fixed axle 1 are connected the effect indentation of arch 21 atress on the face and are slided in the groove 22, coupling spring is compressed this moment, continue to remove bracing piece 2, contact fixed axle 1 until reset spring 31, fine setting bracing piece 2 makes arch 21 cunning move to align with recess 11, arch 21 resumes under the effect of the power of deformation at coupling spring, slide to the orientation that is close to the 11 tank bottoms of recess, until arch 21 and 11 joints of recess, bracing piece 2 is fixed. The corresponding chip blocking assembly 4 is selected according to the diameter to be drilled, the chip blocking block 42 and the drill bit 7 are coaxially arranged, the two connecting rods 43 and the corresponding supporting rods 2 are connected through the corresponding connecting pieces 5, and the chip blocking assembly 4 is fixed. Two bracing pieces 2 are removed to the direction of keeping away from ground, and reset spring 31 is compressed, installs the ring flange on the drilling machine, loosens bracing piece 2 slowly, makes fender bits piece 42 contradict with the ring flange surface under the effect of reset spring 31 restoring the deformation power.

And starting the drilling machine, driving the drill bit 7 to penetrate through the scrap blocking hole 41 by the main shaft to drill the flange plate, and enabling the scrap to be difficult to scratch the surface of the flange plate by the scrap blocking block 42 so as to improve the surface quality of the flange plate.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a drill bit looper for oil pressure drilling machine which characterized in that: including bracing piece (2) and fender bits subassembly (4), be provided with elastic component (3) on bracing piece (2), bracing piece (2) are connected along drill bit (7) endwise slip with headstock (6) of oil pressure drilling machine, have the connecting portion of being connected with headstock (6) on elastic component (3), bracing piece (2) are connected with fender bits subassembly (4), keep off bits hole (41) of keeping off of offering on bits subassembly (4) and supplying drill bit (7) to pass.

2. The drill bit loop for the oil pressure drilling machine according to claim 1, wherein: keep off bits subassembly (4) including keeping off bits piece (42) and connecting rod (43), keep off bits hole (41) and be located and keep off bits piece (42), connecting rod (43) one end is connected with keeping off bits piece (42), and the other end passes through connecting piece (5) with bracing piece (2) and can dismantle and be connected.

3. The drill bit loop for the oil pressure drilling machine according to claim 1, wherein: the spindle box (6) is fixedly connected with a fixed shaft (1), and the support rod (2) is in sliding connection with the fixed shaft (1) along the axial direction of the fixed shaft (1).

4. The drill bit loop for the oil pressure drilling machine according to claim 3, wherein: elastic component (3) include reset spring (31) and annular piece (32), the fixed one end of keeping away from fixed axle (1) that sets up in bracing piece (2) of annular piece (32), reset spring (31) one end can be connected with fixed axle (1) contact, reset spring (31) other end and annular piece (32) fixed connection.

5. The drill bit loop for the oil pressure drilling machine according to claim 3, wherein: be provided with arch (21) on the face of being connected of bracing piece (2) and fixed axle (1), bracing piece (2) radius direction sliding connection is followed with bracing piece (2) arch (21), be provided with on bracing piece (2) and be used for driving arch (21) and bracing piece (2) sliding connection's driving piece (23).

6. The drill bit loop for the oil pressure drilling machine according to claim 5, wherein: the bracing piece (2) have been seted up along its radial direction and have been slided groove (22), protruding (21) with slide groove (22) and slide and be connected, driving piece (23) are connecting spring, connecting spring one end is connected with groove (22) tank bottom that slides, the other end is connected with arch (21).

7. The drill bit loop for the oil pressure drilling machine according to claim 6, wherein: offer recess (11) that correspond with arch (21) on fixed axle (1), protruding (21) and recess (11) joint cooperation, just the one end of protruding (21) and recess (11) joint is hemispherical.

8. The drill bit loop for the oil pressure drilling machine according to claim 2, wherein: the two supporting rods (2) and the two connecting rods (43) are arranged and correspond to each other one by one, and the plane of the connecting point of the connecting rods (43) and the supporting rods (2) is parallel to the surface of a workpiece.

9. The drill bit loop for the oil pressure drilling machine according to claim 2, wherein: the connecting piece (5) is a U-shaped bolt or a bolt pair or a hose clamp.

10. The drill bit loop for an oil pressure drilling machine according to claim 9, wherein: the supporting rod (2) and the connecting rod (43) are correspondingly provided with through holes (8), and the bolt of the bolt pair penetrates through the supporting rod (2) and the through holes (8) in the connecting rod (43) to be in threaded connection with the nut of the bolt pair.

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