CN221817392U - A multi-stage deep hole drilling machine - Google Patents

Abstract

The utility model relates to the technical field of drilling machine equipment, and proposes a multi-stage deep hole drilling machine, comprising a frame, a drilling machine is arranged on the frame, a drill bit is arranged on the drilling machine, and further comprising: a swing arm, the swing arm is rotatably arranged on the frame, and the swing arm is moved closer to or away from the drilling machine after rotation; a cutter disc, the cutter disc is rotatably arranged on the swing arm, a plurality of clamping grooves are arranged on the cutter disc, spare drill bits are slidably arranged in the clamping grooves, and the spare drill bits are moved closer to or away from the drilling machine after sliding; a tool changing unit, the tool changing unit is slidably arranged on the cutter disc, and the tool changing unit comprises: a clamping member, the clamping member is rotatably arranged on the cutter disc, and the clamping member is used to clamp or release the drill bit after rotation; through the above technical scheme, the problem that when the type of processing holes changes frequently in the related technology, the workload of the operator for tool changing is increased, and the overall processing efficiency of the drilling machine is reduced.

Description

A multi-stage deep hole drilling machine

Technical Field

The utility model relates to the technical field of drilling machine equipment, in particular to a multi-stage deep hole drilling machine.

Background Art

Deep hole drilling machines are different from traditional hole processing methods. They mainly rely on specific drilling technologies (such as gun drilling, BTA drilling, ejector drilling, etc.). Special machine tools for drilling deep hole systems and precision shallow holes with an aspect ratio greater than 10 are collectively referred to as deep hole drilling machines.

In the prior art, since deep hole drilling machines have good processing quality, one deep hole drilling machine is often used to process a variety of workpieces and various types of holes, so a variety of drill bits are needed. When the processing holes change, the drill bits of the drilling machine need to be replaced; frequent changes in processing holes mean frequent replacement of drill bits, which increases the frequency of tool changes for on-site operators and reduces the overall processing efficiency of the drilling machine. Therefore, it is necessary to improve and upgrade the prior art, improve tool change efficiency, and reduce the workload of operators.

Utility Model Content

The utility model provides a multi-stage deep hole drilling machine, which solves the problem in the related art that when the types of processed holes change frequently, the workload of operators for tool changing is increased, and the overall processing efficiency of the drilling machine is reduced.

The technical solution of the utility model is as follows:

A multi-stage deep hole drilling machine comprises a frame, a drilling machine is arranged on the frame, a drill bit is arranged on the drilling machine, and further comprises:

A swing arm, the swing arm is rotatably arranged on the frame, and the swing arm moves closer to or away from the drilling rig after rotation;

A cutter disc, wherein the cutter disc is rotatably arranged on the swing arm, and a plurality of slots are arranged on the cutter disc, in which the spare drill bits are slidably arranged, and the spare drill bits slide close to or away from the drilling machine;

A tool changing unit, wherein the tool changing unit is slidably arranged on the tool disc, and the tool changing unit comprises:

A clamping member is rotatably arranged on the cutter disc, and is used to clamp or release the drill bit after the clamping member is rotated.

As a further technical solution, the tool changing unit further includes:

a first linear actuator, the first linear actuator being disposed on the cutter head;

The bracket is slidably arranged on the first linear drive, the power provided by the first linear drive is used to drive the bracket to slide, and the clamping member is rotatably arranged on the bracket.

As a further technical solution, a first through hole is provided on the bracket, and the tool changing unit further comprises:

A guide rod is disposed on the first linear actuator and is slidably connected to the first through hole.

As a further technical solution, the tool changing unit further includes:

A first rotary driver, wherein the first rotary driver is disposed on the bracket, and a lead screw is disposed at an output end of the first rotary driver;

A slider, the slider is slidably disposed on the bracket, and the slider is threadedly connected to the lead screw;

A connecting rod, one end of which is hinged to the slider, and the other end of which is hinged to the clamping member;

There are several clamping members, which are symmetrically distributed on both sides of the slider.

As a further technical solution, the clamping member is provided with an arc-shaped groove, and the arc-shaped groove abuts against the outer surface of the drill bit.

As a further technical solution, the number of the swing arms and the cutter disc are both two and they are arranged in one-to-one correspondence, and the two swing arms are symmetrically distributed on both sides of the drilling rig.

As a further technical solution, it also includes:

A support column, wherein the support column is arranged on the frame;

A cross arm, the cross arm is rotatably arranged on the support, and the drilling rig is arranged on the cross arm;

A second rotation driver is provided on the support column, and power provided by the second rotation driver is used to drive the cross arm to rotate.

As a further technical solution, a fixing unit is also included, and the fixing unit includes:

A fixing frame, the fixing frame is arranged on the frame, and a plurality of second through holes are opened on the fixing frame;

A limiting rod is slidably disposed in the second through hole, and the limiting rod and the second through hole are threadedly connected.

As a further technical solution, it also includes:

A cross bar is rotatably arranged on the limiting rod.

The working principle and beneficial effects of the utility model are:

The utility model provides a multi-stage deep hole drilling machine, which specifically includes a frame, a drilling rig, a drill bit, a swing arm, a cutter disc, a tool changing unit and a clamping piece; the number of the slots is several, the number of the tool changing units is several, and the tool changing units are arranged in a one-to-one correspondence with the slots; a telescopic oil cylinder is built into the swing arm, and the overall length of the swing arm can be adjusted; during operation, when the drill bit on the drilling rig needs to be replaced, the swing arm is driven to rotate in the direction close to the drilling rig; when the swing arm rotates, it will bring the cutter disc close to the drilling rig synchronously; the swing arm stops rotating after rotating a certain angle; then, the cutter disc is rotated so that the free slot on the cutter disc is just aligned with the direction of the drilling rig; then, the tool changing unit is driven to move in the direction close to the drill bit until the clamping piece moves to the side of the drill bit on the drilling rig and stops sliding of the tool changing unit; then, the clamping piece is driven to rotate until the clamping piece and the drill bit are in extrusion contact to complete the clamping of the drill bit; then the drilling rig removes the drill bit; then, the tool changing unit is driven to slide in the direction close to the slot, and the tool changing unit brings the clamping piece and The drill bit approaches the slot together until the drill bit is stuck in the slot, and the sliding of the tool changing unit is stopped; then the cutter disc is rotated until the drill bit to be activated on the cutter disc is aligned with the drilling machine; then, the corresponding tool changing unit is driven to slide in the direction close to the drilling machine, and the tool changing unit slides synchronously with the corresponding clamping member, and the corresponding drill bit to be activated is clamped on the clamping member; until the drill bit to be activated moves to the right under the drilling machine, and then, the drill bit to be activated is connected to the drilling machine; then, the tool changing unit is driven to slide in the direction close to the cutter disc, and the tool changing unit stops sliding after returning to the initial position; at this time, there is still an empty slot on the cutter disc, waiting for the next tool changing operation; then, the swing arm is driven to rotate in the direction away from the drilling machine, and the swing arm stops rotating after returning to the initial position; wait for the next tool changing operation; with the help of the swing arm, cutter disc, tool changing unit and clamping member, the rapid tool changing of the drilling machine is completed, the continuous processing of the drilling machine is ensured, the tool changing workload and tool changing time of the drilling machine are reduced, and the overall work efficiency is improved.

BRIEF DESCRIPTION OF THE DRAWINGS

The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

FIG1 is a schematic diagram of the overall structure of the utility model;

Figure 2 is a schematic diagram of the structure of the cutter head of the utility model;

FIG3 is a schematic structural diagram of the clamping member of the utility model;

In the figure: 1, frame, 2, drilling rig, 3, drill bit, 4, swing arm, 5, cutter disc, 6, slot, 7, tool changing unit, 8, clamping member, 9, first linear drive, 10, bracket, 11, guide rod, 12, first rotation drive, 13, screw, 14, slider, 15, connecting rod, 16, pillar, 17, cross arm, 18, second rotation drive, 19, fixed frame, 20, limit rod, 21, cross bar.

DETAILED DESCRIPTION

The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

As shown in FIG. 1 to FIG. 3 , this embodiment provides a multi-stage deep hole drilling machine.

A multi-stage deep hole drilling machine comprises a frame 1, a drilling machine 2 is arranged on the frame 1, a drilling machine 2 is arranged on the drilling machine 2, and a drill bit 3 is also arranged on the drilling machine 2, and further comprises:

A swing arm 4, which is rotatably arranged on the frame 1, and the swing arm 4 moves closer to or away from the drilling rig 2 after being rotated;

The cutter disc 5 is rotatably arranged on the swing arm 4. The cutter disc 5 is provided with a plurality of slots 6. A spare drill bit 3 is slidably arranged in the slots 6. The spare drill bit 3 slides toward or away from the drilling machine 2;

The tool changing unit 7 is slidably arranged on the tool disc 5, and the tool changing unit 7 comprises:

The clamping member 8 is rotatably disposed on the cutter head 5 , and is used to clamp or release the drill bit 3 after the clamping member 8 is rotated.

In the present embodiment, as shown in FIG. 1 to FIG. 3, a multi-stage deep hole drilling machine is provided, which specifically includes a frame 1, a drilling machine 2, a drill bit 3, a swing arm 4, a cutter head 5, a cutter changing unit 7 and a clamping member 8; the number of the slots 6 is several, the number of the cutter changing units 7 is several, and the cutter changing units 7 are arranged one by one with the slots 6; a telescopic oil cylinder is built into the swing arm 4, and the overall length of the swing arm 4 can be adjusted; during operation, when the drill bit 3 on the drilling machine 2 needs to be replaced, the swing arm 4 is driven to rotate in a direction close to the drilling machine 2; when the swing arm 4 rotates, it will bring the cutter head 5 synchronously The drill 2 is approached; the swing arm 4 stops rotating after rotating a certain angle; then, the cutter head 5 is rotated so that the idle slot 6 on the cutter head 5 is aligned with the direction of the drill 2; then, the tool changing unit 7 is driven to move in the direction close to the drill bit 3 until the clamping member 8 moves to the side of the drill bit 3 on the drill 2, and the sliding of the tool changing unit 7 is stopped; then, the clamping member 8 is driven to rotate until the clamping member 8 and the drill bit 3 are in squeeze contact, and the drill bit 3 is clamped; then the drill 2 removes the drill bit 3; then, the tool changing unit 7 is driven to slide in the direction close to the slot 6, and the tool changing unit 7 brings the clamping member 8 and the drill bit 3 close to the slot 6, until the drill bit 3 is inserted into the slot 6, and then the sliding of the tool changing unit 7 is stopped; then the cutter disc 5 is rotated until the drill bit 3 to be activated on the cutter disc 5 is aligned with the drilling machine 2; then, the corresponding tool changing unit 7 is driven to slide in the direction close to the drilling machine 2, and the tool changing unit 7 and the corresponding clamping member 8 slide synchronously, and the clamping member 8 holds the corresponding drill bit 3 to be activated; until the drill bit 3 to be activated moves to the right below the drilling machine 2, and then, the drill bit 3 to be activated is connected to the drilling machine 2; then, the tool changing unit is driven 7 slides in the direction close to the cutter disc 5 until the tool changing unit 7 returns to the initial position and stops sliding; at this time, there is still an empty slot 6 on the cutter disc 5, waiting for the next tool changing operation; then, the swing arm 4 is driven to rotate in the direction away from the drilling machine 2, until the swing arm 4 returns to the initial position and stops rotating; waiting for the next tool changing operation; with the help of the swing arm 4, the cutter disc 5, the tool changing unit 7 and the clamping part 8, the rapid tool changing of the drilling machine 2 is completed, the continuous processing of the drilling machine is ensured, the tool changing workload and tool changing time of the drilling machine are reduced, and the overall work efficiency is improved.

Further, the tool changing unit 7 also includes:

A first linear drive 9, the first linear drive 9 is arranged on the cutter head 5;

The bracket 10 is slidably arranged on the first linear drive 9 , and the power provided by the first linear drive 9 is used to drive the bracket 10 to slide. The clamping member 8 is rotatably arranged on the bracket 10 .

In this embodiment, as shown in Figures 1 and 2, the tool changing unit 7 is refined, and a first linear drive 9 and a bracket 10 are added. The first linear drive 9 uses an electric drive motor. A threaded rod is provided on the output end of the first linear drive 9, and the threaded rod is threadedly connected to the bracket 10; the first linear drive 9 is electrically connected to an external controller; when working, the first linear drive 9 is started by the external controller, and the first linear drive 9 will drive the threaded rod to rotate after being started. When the threaded rod rotates, it will drive the threaded bracket 10 to slide, and the bracket 10 drives the clamping member 8 to move closer to or away from the drilling rig 2, thereby completing the disassembly and installation of the drilling rig 2.

Furthermore, a first through hole is provided on the bracket 10, and the tool changing unit 7 further comprises:

The guide rod 11 is arranged on the first linear actuator 9, and the guide rod 11 is slidably connected with the first through hole.

In this embodiment, as shown in Figures 1 and 2, the tool changing unit 7 is refined and a guide rod 11 is added. The guide rod 11 constrains the sliding direction of the bracket 10. At the same time, the guide rod 11 can prevent the bracket 10 from rotating with the threaded rod, thereby improving the sliding stability of the bracket 10.

Further, the tool changing unit 7 also includes:

A first rotary driver 12, the first rotary driver 12 is disposed on the bracket 10, and a lead screw 13 is disposed at an output end of the first rotary driver 12;

A slider 14, the slider 14 is slidably disposed on the bracket 10, and the slider 14 is threadedly connected to the lead screw 13;

A connecting rod 15, one end of which is hinged to the slider 14, and the other end of which is hinged to the clamping member 8;

There are several clamping members 8 , which are symmetrically distributed on both sides of the slider 14 .

In this embodiment, as shown in FIG. 1 and FIG. 2, the tool changing unit 7 is refined, and a first rotary driver 12, a slider 14 and a connecting rod 15 are added; the first rotary driver 12 uses an electric drive motor; the first rotary driver 12 is electrically connected to an external controller; when working, the first rotary driver 12 is started by the external controller; the first rotary driver 12 drives the lead screw 13 to rotate, and the lead screw 13 drives the slider 14 connected with the thread to slide when rotating, and the slider 14 slides along the center line direction of the lead screw 13; when the slider 14 slides, it will simultaneously drive the connecting rods 15 on both sides to move synchronously, and when the connecting rod 15 moves, it will push the clamping member 8 to rotate on the bracket 10; when the clamping member 8 is close to the drill bit 3, it is used to clamp the drill bit 3; when the clamping member 8 is away from the drill bit 3, it is used to release the clamping of the drill bit 3; through the cooperation of the first rotary driver 12, the slider 14 and the connecting rod 15, the clamping and release of the drill bit 3 are completed, and the smooth progress of the tool changing operation is ensured.

Furthermore, an arc-shaped groove is provided on the clamping member 8 , and the arc-shaped groove abuts against the outer surface of the drill bit 3 .

In this embodiment, as shown in Figures 1 to 3, the clamping member 8 is refined, and an arc groove is added to the clamping member 8. The arc groove can better fit the outer surface of the drill bit 3, providing more extrusion area for the clamping of the clamping member 8, thereby ensuring the stability of the clamping of the drill bit 3.

Furthermore, there are two swing arms 4 and two cutter discs 5 , which are arranged in one-to-one correspondence, and the two swing arms 4 are symmetrically distributed on both sides of the drilling rig 2 .

In this embodiment, as shown in FIGS. 1 and 2 , the number of swing arms 4 and cutter discs 5 is increased to two, and the swing arms 4 are symmetrically distributed on both sides of the drilling rig 2; when the drill bit 3 needs to be replaced, it can be unloaded and installed with the help of the swing arm 4 and cutter disc 5 on one side to realize the tool changing operation of the drill bit 3; it is also possible to select the swing arms 4 and cutter discs 5 on both sides to operate simultaneously, and the process is as follows: the first swing arm 4 rotates, the first cutter disc 5 moves to one side of the drilling rig 2, and the first cutter disc 5 is driven to rotate at the same time, so that the idle slot 6 of the first cutter disc 5 is aligned with the one on the drilling rig 2 The drill bit 3 is then taken up by the tool changing unit 7 of the first cutter disc 5; while the first swing arm 4 rotates, the second swing arm 4 rotates to one side of the drill rig 2, and the second cutter disc 5 is rotated at this time to align the drill bit 3 to be used on the second cutter disc 5 with the drill rig 2; then the tool changing unit 7 on the second cutter disc 5 is driven to complete the cutting operation of the second drill bit 3; through the coordinated action of the two swing arms 4, the tool changing operation of the drill bit 3 is quickly completed, the tool changing efficiency is improved, the tool changing time is reduced, and the overall processing efficiency is improved.

Furthermore, it also includes:

A support column 16, the support column 16 is arranged on the frame 1;

A cross arm 17, the cross arm 17 is rotatably arranged on the support 16, and the drilling rig 2 is arranged on the cross arm 17;

The second rotary drive 18 is disposed on the support column 16 , and the power provided by the second rotary drive 18 is used to drive the cross arm 17 to rotate.

In this embodiment, as shown in FIG. 1 , a support 16, a cross arm 17 and a second rotation driver 18 are added. The second rotation driver 18 uses an electrically driven motor, and the second rotation driver 18 is electrically connected to an external controller. During operation, when the position of the drill bit 3 needs to be adjusted, the second rotation driver 18 is started by the external controller, and the power output by the second rotation driver 18 drives the swing arm 4 to rotate on the support 16, and at the same time, the built-in transverse telescopic cylinder on the cross arm 17 is started to adjust the overall length of the cross arm 17. The drill bit 3 is quickly adjusted to the position to be processed on the workpiece to complete the adjustment of the position of the drill bit 3.

Furthermore, a fixing unit is included, and the fixing unit includes:

A fixing frame 19, the fixing frame 19 is arranged on the frame 1, and a plurality of second through holes are opened on the fixing frame 19;

The limiting rod 20 is slidably disposed in the second through hole, and the limiting rod 20 and the second through hole are threadedly connected.

In this embodiment, as shown in FIG1 , a fixing unit is added, and the specific fixing unit includes a fixing frame 19 and a limiting rod 20. When working, the workpiece is placed on the upper surface of the fixing frame 19, and then a suitable second through hole is selected according to the external shape and structure of the workpiece, and the limiting rod 20 is installed in the selected second through hole. The position of the workpiece is constrained by the limiting rod 20. When the drilling rig 2 is working, the workpiece rotates with the drill bit 3, resulting in drilling failure.

Furthermore, it also includes:

The cross bar 21 is rotatably arranged on the limiting rod 20 .

In this embodiment, as shown in FIG. 1 , a cross bar 21 is added to the upper end of the limit rod 20 ; the cross bar 21 can be used to limit and block the peripheral side of the workpiece, providing a larger force bearing area for the fixation of the limit rod 20 , thereby facilitating the fixation and limiting of the workpiece.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A multi-stage deep hole drilling machine, comprising a frame (1), a drilling machine (2) being arranged on the frame (1), a drilling machine (2) being arranged on the drilling machine (2), and a drill bit (3), characterized in that it also comprises: A swing arm (4), the swing arm (4) being rotatably disposed on the frame (1), and the swing arm (4) being moved closer to or farther away from the drilling rig (2) after rotation; A cutter disc (5), the cutter disc (5) being rotatably arranged on the swing arm (4), the cutter disc (5) being provided with a plurality of slots (6), the spare drill bits (3) being slidably arranged in the slots (6), and the spare drill bits (3) slidingly approach or move away from the drilling machine (2); A tool changing unit (7), the tool changing unit (7) being slidably arranged on the tool disc (5), the tool changing unit (7) comprising: A clamping member (8), wherein the clamping member (8) is rotatably disposed on the cutter disc (5), and the clamping member (8) is used to clamp or release the drill bit (3) after being rotated. 2. The multi-stage deep hole drilling machine according to claim 1, characterized in that the tool changing unit (7) further comprises: A first linear drive (9), the first linear drive (9) being arranged on the cutter disc (5); A bracket (10), wherein the bracket (10) is slidably arranged on the first linear drive (9), the power provided by the first linear drive (9) is used to drive the bracket (10) to slide, and the clamping member (8) is rotatably arranged on the bracket (10). 3. The multi-stage deep hole drilling machine according to claim 2, characterized in that a first through hole is provided on the bracket (10), and the tool changing unit (7) further comprises: A guide rod (11), wherein the guide rod (11) is arranged on the first linear drive (9), and the guide rod (11) is slidably connected to the first through hole. 4. The multi-stage deep hole drilling machine according to claim 2, characterized in that the tool changing unit (7) further comprises: a first rotary drive (12), the first rotary drive (12) being arranged on the bracket (10), a lead screw (13) being arranged at an output end of the first rotary drive (12); A slider (14), the slider (14) being slidably disposed on the bracket (10), the slider (14) being threadedly connected to the lead screw (13); A connecting rod (15), one end of the connecting rod (15) being hinged to the sliding block (14), and the other end of the connecting rod (15) being hinged to the clamping member (8); There are a plurality of clamping members (8), and the clamping members (8) are symmetrically distributed on both sides of the sliding block (14). 5. The multi-stage deep hole drilling machine according to claim 1, characterized in that an arc groove is provided on the clamping member (8), and the arc groove abuts against the outer surface of the drill bit (3). 6. A multi-stage deep hole drilling machine according to claim 1, characterized in that the number of the swing arms (4) and the cutter disc (5) are both two and they are arranged in one-to-one correspondence, and the two swing arms (4) are symmetrically distributed on both sides of the drilling machine (2). 7. The multi-stage deep hole drilling machine according to claim 1, characterized in that it also includes: A support column (16), wherein the support column (16) is arranged on the frame (1); A cross arm (17), the cross arm (17) being rotatably disposed on the support (16), and the drilling rig (2) being disposed on the cross arm (17); A second rotary drive (18), wherein the second rotary drive (18) is arranged on the support column (16), and power provided by the second rotary drive (18) is used to drive the cross arm (17) to rotate. 8. The multi-stage deep hole drilling machine according to claim 1, characterized in that it also includes a fixing unit, wherein the fixing unit includes: A fixing frame (19), the fixing frame (19) being arranged on the frame (1), and the fixing frame (19) being provided with a plurality of second through holes; A limiting rod (20), wherein the limiting rod (20) is slidably disposed in the second through hole, and the limiting rod (20) and the second through hole are threadedly connected. 9. The multi-stage deep hole drilling machine according to claim 8, characterized in that it also includes: A cross bar (21), wherein the cross bar (21) is rotatably disposed on the limiting rod (20).