CN116275195B - Drilling device for shaft roller - Google Patents
Drilling device for shaft roller Download PDFInfo
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- CN116275195B CN116275195B CN202310551496.0A CN202310551496A CN116275195B CN 116275195 B CN116275195 B CN 116275195B CN 202310551496 A CN202310551496 A CN 202310551496A CN 116275195 B CN116275195 B CN 116275195B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
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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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/064—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
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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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of roller shaft machining and drilling equipment, and provides a drilling device for a roller shaft, which comprises a frame, a clamping assembly is arranged on the frame, a sliding rail is arranged on the frame, a first sliding frame and a second sliding frame are both arranged on the sliding rail in a sliding way, a first screw nut and a second screw nut are respectively arranged on the first sliding frame and the second sliding frame, a screw rod is rotatably arranged on the frame and provided with a first thread section and a second thread section, the directions of the first thread section and the second thread section are opposite, the first thread section and the second thread section are respectively meshed with the first screw nut and the second screw nut, a first rotation driving device is arranged on the frame and drives the screw rod to rotate forwards or reversely, and a first drilling machine and a second drilling machine are oppositely arranged and are respectively arranged on the first sliding frame and the second sliding frame. Through the technical scheme, the technical problem that machining precision is difficult to guarantee when the deep hole drill is used for machining the shaft hole of the roll shaft in the related technology is solved.
Description
Technical Field
The invention relates to the technical field of roll shaft machining and drilling equipment, in particular to a drilling device for a roll shaft.
Background
The roll shaft, also called roller, refers to a cylindrical part capable of rolling on a machine, is a common basic element in machining equipment, and is a brand new roll shaft or a roll shaft to be renovated, and may involve machining a through hole in the roll shaft, where the through hole may be as much as one meter or two meters, or may be shorter or longer. Deep hole drilling is a drill bit dedicated to deep hole machining, and holes having a hole depth to bore diameter ratio of greater than 6 are generally referred to as deep holes in machining. When deep hole drilling is performed, heat dissipation and chip removal are difficult, rigidity is poor due to slender drill rods, and bending and vibration are easy to generate. Cooling and chip removal problems are generally solved by means of pressure cooling systems. In the prior art, the deep hole drill is used for drilling the shaft hole of the roll shaft, the precision of the machined shaft hole is difficult to be ensured to be higher for the shaft hole with the length of more than one meter and two meters, and the use of the roll shaft is affected if the error exceeds 1mm, but in the prior art, the error is difficult to be ensured to be not more than 1mm for the shaft hole with the length of more than one meter and two meters.
Disclosure of Invention
The invention provides a drilling device for a shaft roller, which solves the technical problem that the machining precision is difficult to guarantee when a deep hole drill is used for machining a shaft hole of the shaft roller in the related technology.
The technical scheme of the invention is as follows:
a drilling device for a shaft roller comprises a frame,
the clamping assembly is arranged on the frame,
the sliding rail is arranged on the frame and positioned at one side of the clamping component,
the first sliding frame and the second sliding frame are both arranged on the sliding rail in a sliding way,
a first nut and a second nut, the first nut and the second nut are respectively arranged on the first sliding frame and the second sliding frame,
the screw rod is rotationally arranged on the frame and is provided with a first thread section and a second thread section, the directions of the first thread section and the second thread section are opposite and are respectively positioned on the left half section and the right half section of the screw rod, the first thread section and the second thread section are respectively meshed with the first screw nut and the second screw nut,
a first rotation driving device which is arranged on the frame and drives the screw rod to rotate forward or reversely,
the first drilling machine and the second drilling machine are oppositely arranged and are respectively arranged on the first sliding frame and the second sliding frame.
As a further technical scheme, the clamping assembly comprises
The V-shaped seat body is arranged on the frame,
an upper supporting plate arranged above the V-shaped seat body,
the screw is arranged on the upper supporting plate in a threaded manner,
the handle is arranged at the upper end of the screw rod,
the V-shaped pressing piece is rotatably arranged at the lower end of the screw rod, and the V-shaped pressing piece and the V-shaped seat body are used for clamping a roll shaft to be drilled.
As a further technical scheme, the length of the first thread section is smaller than that of the second thread section, the left half section of the screw rod is further provided with a screw direction conversion section, the screw direction conversion section is arranged adjacent to the first thread section and is positioned on one side, close to the second thread section, of the first thread section, and the length of the first thread section is equal to that of the second thread section.
As a further technical scheme, the screw rod is of a hollow structure, the shaft part is provided with a shaft cavity, the screw direction conversion section is provided with a plurality of first through holes and a plurality of second through holes, the first through holes and the second through holes are communicated with the shaft cavity, the plurality of first through holes are circumferentially arranged, the plurality of second through holes are circumferentially arranged, the first through holes are positioned between the first thread section and the second through holes,
also comprises a variable thread component which is arranged at the position of the screw direction conversion section and comprises
The first through holes are respectively provided with a first sliding block, the outer wall of each first sliding block is provided with a third threaded part, the third threaded part and the first threaded section have the same threaded direction,
the second through holes are respectively provided with a second sliding block in a sliding way, the outer wall of the second sliding block is provided with a fourth threaded part, the thread direction of the fourth threaded part is opposite to that of the first threaded section,
wherein the third threaded part is meshed or disengaged with the first screw after sliding out or sliding in the first through hole, the fourth threaded part is meshed or disengaged with the first screw after sliding out or sliding in the second through hole,
the sliding driving assembly drives the first sliding block and the second sliding block to slide.
As a further technical scheme, the length of the third threaded portion is longer than that of the first screw, the length of the fourth threaded portion is also longer than that of the first screw, the variable thread assembly further comprises a first elastic piece, the first elastic piece acts on the first sliding block and the second sliding block, and the force for the first sliding block and the second sliding block to enter the first through hole and the second through hole is provided.
As a further technical scheme, the first sliding block is provided with a first conical surface, the second sliding block is provided with a second conical surface, the first conical surface and the second conical surface are oppositely arranged,
the sliding drive assembly comprises
The pushing block is arranged in the shaft cavity in a sliding way, two ends of the pushing block are respectively provided with a first conical pushing surface and a second conical pushing surface, the first conical pushing surface is used for pushing the first conical surface to enable the first sliding block to slide, the second conical pushing surface is used for pushing the second conical surface to enable the second sliding block to slide,
the first linear driving piece is arranged on the frame and drives the pushing block to slide.
As a further technical scheme, the sliding driving assembly further comprises
A thrust bearing arranged on one side of the push block close to the first linear driving member,
the guide wheels are arranged on the inner wall of the screw rod in a circumferential manner, and the axial direction of the guide wheels is parallel to the axial direction of the screw rod.
As a further technical scheme, the first linear driving piece is a hydraulic cylinder and is provided with a piston rod, the guide wheel is arranged around the outer wall of the piston rod, and the piston rod is hinged with one end of the thrust bearing.
As a further technical scheme, the drill rod centering device also comprises a drill rod centering component, wherein the drill rod centering component comprises
The third sliding frame is arranged on the sliding rail in a sliding way,
and the centralizing ring is arranged on the third sliding frame.
As a further technical scheme, the drill rod centralizing assembly further comprises a second linear driving device, and the second linear driving device drives the third sliding frame to slide.
The working principle and the beneficial effects of the invention are as follows:
in the invention, in order to ensure the accuracy when the shaft roller is used for machining the shaft hole, the first drilling machine and the second drilling machine are designed, and the first drilling machine and the second drilling machine respectively drill holes from the two ends of the roller shaft synchronously, so that on one hand, the drilling efficiency can be improved, on the other hand, the length of a drilling rod of the drilling machine can be greatly reduced, the drilling rod with half the length of the shaft hole can be used for machining the whole shaft hole, and the phenomenon that the drilling inclination is amplified due to a longer drilling rod is avoided. And the first drilling machine and the second drilling machine are respectively fixed on the first sliding frame and the second sliding frame, and the first sliding frame and the second sliding frame can be guided and limited through the same sliding rail, so that the first drilling machine and the second drilling machine can be accurately aligned, and the situation that two square shaft holes cannot be aligned after the roller shafts are synchronously drilled at two ends is avoided. The first sliding frame and the second sliding frame are respectively provided with a first screw nut and a second screw nut which are respectively engaged with the first thread section and the second thread section of the screw rod, and the directions of the first thread section and the second thread section are opposite, after the screw rod rotates, the first sliding frame and the second sliding frame are driven to be close to each other or far away from each other, shaft hole processing is carried out on a roll shaft when the first drilling machine and the second drilling machine are finally realized to be close to each other, tool withdrawal is carried out when the first drilling machine and the second drilling machine are far away from each other, the processing efficiency is improved well, and meanwhile, the processing precision is also ensured.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic cross-sectional view of the structure A-A of FIG. 2;
FIG. 4 is a schematic view of the enlarged partial structure of B in FIG. 3;
in the figure: the device comprises a frame-1, a clamping assembly-2, a V-shaped seat body-201, a screw rod-202, a handle-203, a V-shaped hold-down piece-204, an upper supporting plate-205, a variable thread assembly-3, a first sliding block-301, a third thread part-302, a second sliding block-303, a fourth thread part-304, a first conical surface-305, a second conical surface-306, a first elastic piece-307, a sliding drive assembly-4, a push block-401, a first conical push surface-402, a second conical push surface-403, a first linear drive piece-404, a thrust bearing-405, a guide wheel-406, a piston rod-407, a drill rod righting assembly-5, a third sliding carriage-501, a righting ring-502, a second linear drive device-503, a first nut-6, a second nut-7, a screw rod-8, a first thread section-801, a second thread section-802, a first rotary drive device-9, a first drilling machine-10, a second drilling machine-11, a screw section-803, a shaft cavity-804, a first through hole-805, a second through hole-805, a first sliding carriage-14 and a second sliding carriage-806.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-4, the embodiment provides a drilling device for a shaft roller, which comprises a frame 1, a clamping assembly 2 arranged on the frame 1, a slide rail 12 arranged on the frame 1 and positioned at one side of the clamping assembly 2, a first sliding frame 13 and a second sliding frame 14 both arranged on the slide rail 12 in a sliding manner, and a first screw nut 6 and a second screw nut 7 respectively arranged on the first sliding frame 13 and the second sliding frame 14; the screw rod 8 is rotatably arranged on the frame 1 and is provided with a first threaded section 801 and a second threaded section 802, the directions of the first threaded section 801 and the second threaded section 802 are opposite, the first threaded section 801 and the second threaded section 802 are respectively positioned on the left half section and the right half section of the screw rod 8, and the first threaded section 801 and the second threaded section 802 are respectively meshed with the first screw nut 6 and the second screw nut 7; the first rotary driving device 9 is arranged on the frame 1 and drives the screw rod 8 to rotate forwards or reversely; the first drilling machine 10 and the second drilling machine 11 are disposed opposite to each other and on the first carriage 13 and the second carriage 14, respectively.
In this embodiment, in order to realize the assurance of accuracy when the axial roller processes the shaft hole, designed first rig 10 and second rig 11, first rig 10 and second rig 11 are followed the both ends of roller respectively and are drilled in step, on the one hand can improve drilling efficiency, on the other hand can the length of reduction drill rod of very big degree for the processing in whole shaft hole just can be realized to the drilling rod of half shaft hole length, avoids longer drilling rod to make the oblique quilt of boring enlarged. And the first drilling machine 10 and the second drilling machine 11 are respectively fixed on the first sliding frame 13 and the second sliding frame 14, and the first sliding frame 13 and the second sliding frame 14 can be guided and limited through the same sliding rail 12, so that the first drilling machine 10 and the second drilling machine 11 can be accurately aligned, and the situation that two square shaft holes cannot be aligned after a roll shaft is synchronously drilled from two ends is avoided. The first carriage 13 and the second carriage 14 are respectively provided with a first screw nut 6 and a second screw nut 7, which are respectively engaged with a first thread section 801 and a second thread section 802 of the screw rod 8, and the directions of the first thread section 801 and the second thread section 802 are opposite, when the screw rod 8 rotates, the first carriage 13 and the second carriage 14 are driven to be close to each other or far away from each other, shaft hole processing is carried out on a roll shaft when the first drilling machine 10 and the second drilling machine 11 are finally realized to be close to each other, tool withdrawal is carried out when the first drilling machine 10 and the second drilling machine 11 are far away from each other, the processing efficiency is improved well, and the processing precision is also ensured.
Further, the clamping assembly 2 comprises a V-shaped base 201, the V-shaped base 201 is arranged on the frame 1, an upper supporting plate 205 is arranged above the V-shaped base 201, a screw 202 is arranged on the upper supporting plate 205 in a threaded mode, the screw 202 is arranged on the frame 1 in a threaded mode, a handle 203 is arranged at the upper end of the screw 202, a V-shaped pressing piece 204 is arranged at the lower end of the screw 202 in a rotating mode, and the V-shaped pressing piece 204 and the V-shaped base 201 are used for clamping a roll shaft to be drilled.
In this embodiment, considering that different specifications can exist in the roller shaft of processing, the clamping assembly 2 is specially designed to clamp the roller shaft, so as to ensure that the roller shafts with various length diameters can be well fixed, wherein the V-shaped seat 201 is arranged on the frame 1, when the roller shaft is installed on the V-shaped seat 201, automatic centering can be realized, so that the axis of the roller shaft can be conveniently and accurately aligned with the axis of the drilling machine, and when the roller shaft is installed on the V-shaped seat 201, backing plates with different thicknesses can be added in the V-shaped seat, so that the roller shafts with different diameters can be ensured, and the axial heights of the roller shafts can be aligned with the axis of the drilling machine. After the axis is aligned, the handle is rotated, so that the screw 202 can rotate to drive the V-shaped pressing piece 204 to tightly press the roll shaft, the clamping assembly 2 is used for manually clamping the roll shaft, and the automatic clamping of the roll shaft can be improved through further improvement, so that the machining efficiency is improved.
Further, the length of the first thread section 801 is smaller than that of the second thread section 802, the left half section of the screw rod 8 is further provided with a screw direction conversion section 803, the screw direction conversion section 803 is arranged adjacent to the first thread section 801 and is located on one side of the first thread section 801 close to the second thread section 802, and the sum of the lengths of the first thread section 801 and the screw direction conversion section 803 is equal to that of the second thread section 802.
In this embodiment, when the roller shaft is drilled, holes are drilled from two sides through the first drilling machine 10 and the second drilling machine 11, and when the holes are drilled to the last two side holes to be drilled, the safety problem that the drill rods of the first drilling machine 10 and the second drilling machine 11 collide with each other may occur, so that the screw direction conversion section 803 is specially arranged at the left half section of the screw rod 8. When the drill bits of the first drilling machine 10 and the second drilling machine 11 are driven by the first thread section 801 and the second thread section 802 to approach each other, in order to avoid the contact between the drill bits of the first drilling machine and the second drilling machine, the movement direction of the first sliding frame 13 is changed after the first sliding frame 13 moves onto the thread direction changing section 803, and the second sliding frame 14 still continues to advance on the second thread section 802. Finally, on the one hand, the second carriage 14 is ensured to be capable of carrying the second drilling machine 11 to continuously advance to open the drilling holes on two sides, and on the other hand, the second carriage 14 is capable of timely moving reversely to retract in advance, so that the first drilling machine 10 and the second drilling machine 11 are prevented from interfering with each other, and the efficient processing is well ensured.
Further, the screw rod 8 is of a hollow structure, the shaft portion is provided with a shaft cavity 804, the spiral direction conversion section 803 is provided with a plurality of first through holes 805 and a plurality of second through holes 806, the first through holes 805 and the second through holes 806 are communicated with the shaft cavity 804, the plurality of first through holes 805 are circumferentially arranged, the plurality of second through holes 806 are circumferentially arranged, and the first through holes 805 are located between the first thread section 801 and the second through holes 806. Still including becoming screw thread subassembly 3, become screw thread subassembly 3 setting in spiral shell to changeover portion 803 position department, including first slider 301, all slide in every first through-hole 805 and be provided with a first slider 301, the outer wall of first slider 301 has third screw thread portion 302, third screw thread portion 302 is the same with first screw thread portion 801 screw thread direction, all slide in every second through-hole 806 and be provided with a second slider 303, the outer wall of second slider 303 has fourth screw thread portion 304, fourth screw thread portion 304 is opposite with first screw thread portion 801 screw thread direction. Wherein the third threaded portion 302 is slid out of or into the first through hole 805 and then engaged or disengaged with the first nut 6, and the fourth threaded portion 304 is slid out of or into the second through hole 806 and then engaged or disengaged with the first nut 6. The sliding driving assembly 4 is further included, and the sliding driving assembly 4 drives the first sliding block 301 and the second sliding block 303 to slide.
In this embodiment, in order to realize that the first carriage 13 can be shifted to the screw direction conversion section 803 without changing the rotation direction of the screw rod 8, the first carriage 301 is designed to have the third threaded portion 302, the second carriage 303 is designed to have the fourth threaded portion 304, the first threaded portion 801, the third threaded portion, and the fourth threaded portion 304 are sequentially arranged, and the third threaded portion and the fourth threaded portion 304 are respectively arranged on the first carriage 301 and the second carriage 303, and can slide out and retract from the first through hole 805 and the second through hole 806 along with the first carriage 301 and the second carriage 303, and after sliding out, the first carriage 13 can be driven to move in the corresponding directions, and after retracting, the movement of the first carriage 13 cannot be affected.
Specifically, when the first carriage 13 moves rightward to the screw direction conversion section 803, the first slider 301 slides out of the first through hole 805, the third threaded portion 302 is engaged with the first nut 6 of the first carriage 13, at this time, the first slider 301 is located inside the second through hole 806 and cannot be engaged with the first nut 6, the first nut 6 continues to move toward the direction approaching the fourth threaded portion 304 until the first nut 6 is not engaged with the first threaded section 801 and is located within the contact range of the fourth threaded portion 304, the first slider 301 and the second slider 303 change state, the first slider 301 is retracted into the first through hole 805 with the third threaded portion, the second slider 303 is extended out of the second through hole 806 with the fourth threaded portion 304 and is engaged with the first nut 6, so that reverse movement of the first slider 301 to the left with the first slider 301 can be realized, the first carriage 13 is no longer approaching the second carriage 14, the first drilling machine 10 and the second drilling machine 11 are no longer moved toward each other, and thus well avoiding occurrence of a collision between the first drilling machine 10 and the second drilling machine 11 ".
When the first drilling machine 10 and the second drilling machine 11 finish drilling the shaft hole, the first sliding block 301 and the second sliding block 303 change states again, the first sliding block 301 stretches out of the first through hole 805 with the third threaded portion, the second sliding block 303 withdraws into the second through hole 806 with the fourth threaded portion 304, and the screw rod 8 rotates again, so that the first drilling machine 10 and the second drilling machine 11 are far away from each other until tool withdrawal is completed.
Further, the length of the third threaded portion 302 is longer than the length of the first nut 6, the length of the fourth threaded portion 304 is also longer than the length of the first nut 6, and the variable thread assembly 3 further comprises a first elastic member 307, the first elastic member 307 acting on the first slider 301 and the second slider 303 to provide a force of the first slider 301 and the second slider 303 into the first through hole 805 and the second through hole 806.
In this embodiment, the length of the third threaded portion 302 is longer than that of the first nut 6, and the length of the fourth threaded portion 304 is also longer than that of the first nut 6, so as to ensure that the width of the first nut 6 cannot span the first threaded section 801, the third threaded portion and the fourth threaded portion 304 at the same time, and avoid the occurrence of faults caused by the first nut 6 being driven by the first threaded section 801 and the fourth threaded portion 304 without using the thread direction at the same time.
In this embodiment, in order to ensure that the first slider 301 and the second slider 303 can be automatically retracted when the first through hole 805 and the second through hole 806 do not need to slide out, the first elastic member 307 is designed to act on the first slider 301 and the second slider 303, so as to ensure that the leftward and rightward movement of the first nut 6 is not affected. The first elastic member 307 may be designed as a tension spring, both ends of which pull the opposite first sliders 301, or the opposite second sliders 303, so that the first sliders 301 and the second sliders 303 are automatically retracted.
Further, the first slider 301 has a first tapered surface 305, the second slider 303 has a second tapered surface 306, the first tapered surface 305 is disposed opposite to the second tapered surface 306,
the sliding driving assembly 4 comprises a pushing block 401, the pushing block 401 is slidably arranged in an axial cavity 804, and two ends of the pushing block are respectively provided with a first conical pushing surface 402 and a second conical pushing surface 403, the first conical pushing surface 402 is used for pushing the first conical surface 305 to enable the first sliding block 301 to slide, the second conical pushing surface 403 is used for pushing the second conical surface 306 to enable the second sliding block 303 to slide, and the first linear driving piece 404 is arranged on the frame 1 to drive the pushing block 401 to slide.
In the present embodiment, the sliding of the first slider 301 and the second slider 303 in the first through hole 805 and the second through hole 806 is driven by the slide driving assembly 4; specifically, after the pushing block 401 moves leftwards, the first conical surface 305 of the first slider 301 acts on the first conical pushing surface 402 at the left end of the pushing block 401, so that the first slider 301 slides out of the first through hole 805, and at this time, the second slider 303 is retracted into the second through hole 806 under the action of the first elastic member 307; after the pushing block 401 moves rightward, the second tapered surface 403 at the right end of the pushing block 401 acts on the second tapered surface 306 of the second slider 303, so that the second slider 303 slides out of the second through hole 806, and the first slider 301 is retracted into the first through hole 805 under the action of the first elastic member 307.
Wherein the movement of the push block 401 is driven by a first linear drive 404, the first linear drive 404 may be a hydraulic cylinder to ensure a stable force.
Further, the sliding driving assembly 4 further comprises a thrust bearing 405, wherein the thrust bearing 405 is arranged on one side of the push block 401 close to the first linear driving member 404; the guide wheels 406 are arranged on the inner wall of the screw rod 8 in a circumferential manner, and the axial direction of the guide wheels 406 is parallel to the axial direction of the screw rod 8.
In this embodiment, considering that the push block 401 rotates along with the screw rod 8, then the first linear driving member 404 is fixed on the frame 1 and is kept stationary, in order to ensure that the first linear driving member 404 and the screw rod 8 can stably move relatively, a thrust bearing 405 is designed to be disposed on the push block 401, so as to ensure that the first linear driving member 404 can stably transmit the power of axial movement to the push block 401, and also ensure that the first linear driving member 404 can stably rotate relatively to the push block 401. And a plurality of guide wheels 406 are provided on the inner wall of the screw 8 to ensure that the first linear driving member 404 is stably supported even under the rotation of the screw 8.
Further, the first linear drive 404 is a hydraulic cylinder and has a piston rod 407, a guide wheel 406 is arranged around the outer wall of the piston rod 407, and the piston rod 407 is hinged to one end of the thrust bearing 405.
In this embodiment, the piston rod 407 of the first linear driving member 404 is supported by the guide wheel 406, and the piston rod 407 is hinged to one end of the thrust bearing 405, so as to ensure that the piston rod 407 can stably move along the axial direction of the screw rod 8 with the thrust bearing 405 and the push block 401.
Further, a drill rod centering assembly 5 is included, the drill rod centering assembly 5 including a third carriage 501, the third carriage 501 slidably disposed on the slide rail 12, and a centering ring 502 disposed on the third carriage 501.
Further, the drill rod centralising assembly 5 further comprises a second linear drive 503, the second linear drive 503 driving the third carriage 501 to slide.
In this embodiment, in order to ensure that the longer drill rods of the first and second drilling machines 10, 11 are stably supported, a drill rod centralising assembly 5 is designed, and the centralising ring 502 follows the movement on the third carriage 501 to yield, ensuring that the advance of the first and second drilling machines 10, 11 is not affected. Wherein the third carriage 501 moves a rod driven by a second linear driving means 503, which second linear driving means 503 may be a hydraulic cylinder.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. A drilling device for a shaft roller is characterized by comprising
A frame (1),
the clamping assembly (2), the clamping assembly (2) is arranged on the frame (1),
the sliding rail (12), the sliding rail (12) is arranged on the frame (1) and is positioned at one side of the clamping component (2),
a first carriage (13) and a second carriage (14), wherein the first carriage (13) and the second carriage (14) are both arranged on the sliding rail (12) in a sliding way,
a first screw nut (6) and a second screw nut (7), wherein the first screw nut (6) and the second screw nut (7) are respectively arranged on the first sliding frame (13) and the second sliding frame (14),
the screw rod (8), the screw rod (8) is rotationally arranged on the frame (1) and is provided with a first thread section (801) and a second thread section (802), the first thread section (801) and the second thread section (802) are opposite in direction and are respectively positioned on the left half section and the right half section of the screw rod (8), the first thread section (801) and the second thread section (802) are respectively meshed with the first screw nut (6) and the second screw nut (7),
a first rotation driving device (9), wherein the first rotation driving device (9) is arranged on the frame (1) and drives the screw rod (8) to rotate forwards or reversely,
a first drilling machine (10) and a second drilling machine (1) which are oppositely arranged, wherein the first drilling machine (10) and the second drilling machine (11) are respectively arranged on the first sliding frame (13) and the second sliding frame (14);
the length of the first thread section (801) is smaller than that of the second thread section (802), the left half section of the screw rod (8) is further provided with a screw direction conversion section (803), the screw direction conversion section (803) is arranged adjacent to the first thread section (801) and is positioned on one side of the first thread section (801) close to the second thread section (802), and the sum of the lengths of the first thread section (801) and the screw direction conversion section (803) is equal to that of the second thread section (802);
wherein the screw rod (8) is of a hollow structure, the shaft part is provided with a shaft cavity (804), the screw direction conversion section (803) is provided with a plurality of first through holes (805) and a plurality of second through holes (806), the first through holes (805) and the second through holes (806) are communicated with the shaft cavity (804), the plurality of first through holes (805) are circumferentially arranged, the plurality of second through holes (806) are circumferentially arranged, the first through holes (805) are positioned between the first screw thread section (801) and the second through holes (806),
also comprises a variable thread assembly (3), wherein the variable thread assembly (3) is arranged at the position of the screw direction conversion section (803) and comprises
The first sliding blocks (301) are arranged in each first through hole (805) in a sliding mode, the outer wall of each first sliding block (301) is provided with a third threaded part (302), the directions of the third threaded parts (302) and the first threaded section (801) are the same,
the second sliding blocks (303) are arranged in each second through hole (806) in a sliding way, the outer wall of each second sliding block (303) is provided with a fourth threaded part (304), the threads of the fourth threaded parts (304) are opposite to those of the first threaded sections (801),
wherein the third threaded portion (302) is meshed or disengaged with the first nut (6) after sliding out of or sliding into the first through hole (805), the fourth threaded portion (304) is meshed or disengaged with the first nut (6) after sliding out of or sliding into the second through hole (806), the length of the third threaded portion (302) is longer than the length of the first nut (6), the length of the fourth threaded portion (304) is also longer than the length of the first nut (6),
the sliding driving assembly (4) drives the first sliding block (301) and the second sliding block (303) to slide.
2. Drilling device for a roller according to claim 1, characterized in that the clamping assembly (2) comprises
The V-shaped seat body (201), the V-shaped seat body (201) is arranged on the frame (1),
an upper support plate (205), the upper support plate (205) being arranged above the V-shaped seat body (201),
a screw (202), the screw (202) being arranged on the upper support plate (205) in a threaded manner,
a handle (203), the handle (203) is arranged at the upper end of the screw (202),
the V-shaped pressing piece (204) is rotatably arranged at the lower end of the screw rod (202), and the V-shaped pressing piece (204) and the V-shaped base body (201) are used for clamping a roll shaft to be drilled.
3. Drilling device for a shaft roller according to claim 1, characterized in that the thread changing assembly (3) further comprises a first elastic member (307), the first elastic member (307) acting on the first slider (301) and the second slider (303) providing a force of the first slider (301) and the second slider (303) into the first through hole (805) and the second through hole (806).
4. A drilling device for a shaft roller according to claim 3, characterized in that the first slider (301) has a first conical surface (305), the second slider (303) has a second conical surface (306), the first conical surface (305) is arranged opposite to the second conical surface (306),
the sliding drive assembly (4) comprises
The pushing block (401), the pushing block (401) is arranged in the shaft cavity (804) in a sliding way, a first conical pushing surface (402) and a second conical pushing surface (403) are respectively arranged at two ends, the first conical pushing surface (402) is used for pushing the first conical surface (305) to enable the first sliding block (301) to slide, the second conical pushing surface (403) is used for pushing the second conical surface (306) to enable the second sliding block (303) to slide,
the first linear driving piece (404) is arranged on the frame (1) and drives the pushing block (401) to slide.
5. Drilling device for a roller according to claim 4, characterized in that the sliding drive assembly (4) further comprises
A thrust bearing (405), said thrust bearing (405) being arranged on the side of the push block (401) close to the first linear drive (404),
the guide wheels (406), the guide wheels (406) are a plurality of, are circumferentially arranged on the inner wall of the screw rod (8), and the axial direction of the guide wheels (406) is parallel to the axial direction of the screw rod (8).
6. Drilling device for a roller according to claim 5, characterized in that the first linear drive (404) is a hydraulic cylinder and has a piston rod (407), the guide wheel (406) being arranged around the outer wall of the piston rod (407), the piston rod (407) being hinged to one end of the thrust bearing (405).
7. Drilling device for a roller according to any of claims 1-6, further comprising a drill rod centralising assembly (5), the drill rod centralising assembly (5) comprising
A third carriage (501), the third carriage (501) is slidingly arranged on the sliding rail (12),
-a centralizing ring (502), the centralizing ring (502) being arranged on the third carriage (501).
8. Drilling device for a roller according to claim 7, characterized in that the drill rod centralising assembly (5) further comprises a second linear drive (503), the second linear drive (503) driving the third carriage (501) to slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310551496.0A CN116275195B (en) | 2023-05-17 | 2023-05-17 | Drilling device for shaft roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310551496.0A CN116275195B (en) | 2023-05-17 | 2023-05-17 | Drilling device for shaft roller |
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| CN116275195A CN116275195A (en) | 2023-06-23 |
| CN116275195B true CN116275195B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310551496.0A Active CN116275195B (en) | 2023-05-17 | 2023-05-17 | Drilling device for shaft roller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116728103B (en) * | 2023-08-11 | 2023-10-13 | 江苏凯达重工股份有限公司 | Production equipment for hot rolling roller |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7716799B2 (en) * | 2005-08-23 | 2010-05-18 | Ebert James L | Steering knuckle boring apparatus |
| CN206561144U (en) * | 2017-03-27 | 2017-10-17 | 广东鹏大五金制品有限公司 | A kind of two-way drilling machine |
| CN107769450B (en) * | 2017-11-21 | 2024-01-26 | 湖北科技学院 | Double-thread type reciprocating motor |
| CN108856793A (en) * | 2018-07-30 | 2018-11-23 | 江西天弟特种机械材料有限公司 | A kind of two-way drilling machine |
| CN211028153U (en) * | 2019-09-02 | 2020-07-17 | 张生和 | Numerical control drilling machine with bidirectional drilling function for workpiece machining |
| CN112605419A (en) * | 2020-12-11 | 2021-04-06 | 临泉县增建钢构有限责任公司 | Assembling method of high-precision bidirectional drilling equipment |
| CN215239362U (en) * | 2021-02-22 | 2021-12-21 | 大连三石自动化设备有限公司 | Vertical double-end drilling machine tool |
| CN113374847A (en) * | 2021-06-17 | 2021-09-10 | 威海市精彩永恒体育用品有限公司 | Novel roller screw rod transmission device and using method thereof |
| CN216398088U (en) * | 2021-08-31 | 2022-04-29 | 江苏科顿自动化设备有限公司 | Vertical double-end drilling machine tool |
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