CN113843433A

CN113843433A - Automatic drilling equipment of pipeline

Info

Publication number: CN113843433A
Application number: CN202111195946.4A
Authority: CN
Inventors: 张华平
Original assignee: Taishan Tule Audio Technology Development Co ltd
Current assignee: Taishan Tule Audio Technology Development Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2021-12-28

Abstract

The invention discloses an automatic drilling device for pipelines, which comprises: the upper end of the workbench is provided with a rack, and the rack is provided with a lifting mechanism; the drilling mechanism comprises a first motor, a first rotary table, a first elastic mechanism, a second rotary table and a drill bit which are sequentially connected from top to bottom, the first motor is connected to the lifting end of the lifting mechanism, the first rotary table is fixedly connected with an output shaft of the first motor, and the second rotary table is vertically, elastically and movably mounted on the first rotary table through the first elastic mechanism and can synchronously rotate with the first rotary table; the clamping assembly is arranged at intervals along a first horizontal direction and comprises an upper clamp group and a lower clamp group, the lower clamp group is fixedly arranged on the workbench, the upper clamp group can be vertically and elastically movably arranged on the upper side of the lower clamp group, and the upper clamp group can be matched with the lower clamp group to clamp the end part of the pipeline. The automatic pipeline drilling device provided by the invention has the advantages of high yield and difficulty in pipeline damage.

Description

Automatic drilling equipment of pipeline

Technical Field

The invention relates to the technical field of drilling equipment, in particular to an automatic pipeline drilling device.

Background

A drill is a general term for machines and apparatuses that leave a cylindrical hole or hole in an object by means of rotary cutting or rotary pressing using a tool harder and sharper than the object. Also known as drills, punches, through-hole machines, and the like. In the prior art, a drilling machine is generally adopted and a drill bit is used for processing a pipeline, the drill bit is easy to generate rigid collision with the pipeline when being processed, so that the pipeline is damaged, and in addition, when the pipeline is clamped, if the clamping force is too large, the pipeline is also easy to be damaged.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the automatic pipeline drilling device which is high in yield and not easy to damage pipelines.

According to the embodiment of the invention, the automatic drilling device for the pipeline comprises: the upper end of the workbench is provided with a rack, and the rack is provided with a lifting mechanism; the drilling mechanism comprises a first motor, a first rotary table, a first elastic mechanism, a second rotary table and a drill bit which are sequentially connected from top to bottom, wherein the first motor is connected to the lifting end of the lifting mechanism, the first rotary table is fixedly connected with an output shaft of the first motor, and the second rotary table is vertically, elastically and movably mounted on the first rotary table through the first elastic mechanism and can synchronously rotate with the first rotary table; the clamping assemblies are arranged at intervals along a first horizontal direction and comprise an upper clamp group and a lower clamp group, the lower clamp group is fixedly arranged on the workbench, the upper clamp group can be vertically and elastically movably arranged on the upper side of the lower clamp group and can be matched with the lower clamp group to clamp the end part of the pipeline.

The automatic pipeline drilling device provided by the embodiment of the invention at least has the following technical effects: the first rotary table, the first elastic mechanism and the second rotary table are arranged between the first motor and the drill bit, and the second rotary table is vertically and elastically movably arranged on the first rotary table through the first elastic mechanism, so that a vertical elastic buffering effect can be achieved, the drill bit is prevented from rigidly colliding with a pipeline to be drilled, the pipeline is not easy to damage, and the yield can be improved; the upper clamp group capable of moving vertically and elastically is arranged, and the lower clamp group is matched to clamp the end part of the pipeline, so that the clamping force is softer, and the end part of the pipeline is not easy to crush.

According to some embodiments of the present invention, the first elastic mechanism includes a first guide pillar, a first spring, and a first limit nut, the first guide pillar is fixedly disposed at an upper end of the second rotary table and vertically movably penetrates through the first rotary table, the first spring is sleeved on the first guide pillar, two ends of the first spring respectively abut against the first rotary table and the second rotary table, and the first limit nut is connected to the first guide pillar in a threaded manner and is located on a side of the first rotary table away from the second rotary table.

According to some embodiments of the invention, the lower fixture group comprises a mounting plate and a lower fixture block, the lower fixture block is detachably and fixedly connected to the mounting plate, a first arc-shaped groove is formed in the upper end of the lower fixture block, a mounting frame is connected to the upper end of the mounting plate, the upper fixture group comprises an upper fixture block and a second elastic mechanism, the upper fixture block is vertically and elastically movably mounted on the mounting frame through the second elastic mechanism, and a second arc-shaped groove is formed in the lower end of the upper fixture block so as to be matched with the first arc-shaped groove to clamp the pipeline.

According to some embodiments of the present invention, the second elastic mechanism includes a second guide pillar, a second spring, and a second limit nut, the second guide pillar is fixedly connected to the upper end of the upper fixture block and vertically movably penetrates through the mounting bracket, the second spring is sleeved on the second guide pillar, two ends of the second spring respectively abut against the mounting bracket and the upper fixture block, and the second limit nut is screwed on the second guide pillar and located on a side of the mounting bracket away from the upper fixture block.

According to some embodiments of the present invention, the frame is provided with a sliding seat and a driving mechanism capable of driving the sliding seat to slide along a first horizontal direction, and the lifting mechanism is mounted on the sliding seat.

According to some embodiments of the invention, a support plate is fixedly connected below the sliding seat, a support block is fixedly arranged on the support plate, the support block is located right below the drill bit, and a third arc-shaped groove penetrating along the first horizontal direction is arranged at the upper end of the support block and is used for supporting a pipeline.

According to some embodiments of the present invention, the lifting end of the lifting mechanism is fixedly connected with a connecting plate, the first motor is fixedly connected to the connecting plate, the sliding seat is fixedly connected to the supporting plate through a vertically arranged connecting rod, and the connecting rod is movably inserted into the connecting plate.

According to some embodiments of the present invention, the upper end of the supporting plate is provided with a mounting seat, the mounting seat is provided with a mounting hole therein, the upper end of the sliding seat is provided with a mounting tube, the bottom end of the connecting rod is inserted into the mounting hole and detachably connected to the mounting seat, and the upper end of the connecting rod passes through the sliding seat and the mounting tube and is detachably connected to the mounting tube.

According to some embodiments of the present invention, two guide rails are spaced apart from each other on the rack, guide grooves extending in a first horizontal direction are formed in opposite surfaces of the two guide rails, sliding blocks are arranged at two ends of the sliding seat corresponding to the guide grooves, the sliding blocks are slidably embedded into the corresponding guide grooves, the driving mechanism includes a second motor and a lead screw which are in transmission connection, and the lead screw is rotatably installed in the guide grooves and in threaded connection with the sliding blocks.

According to some embodiments of the invention, one end of the guide groove in the extending direction is open and detachably connected with a mounting sleeve, one end of the screw rod is rotatably mounted on the mounting sleeve, the other end of the screw rod is rotatably mounted on the side wall of the guide groove, and the second motor is mounted at one end of the guide rail, which is far away from the mounting sleeve.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of an installation structure of an automatic pipe drilling device according to an embodiment of the present invention;

FIG. 2 is an exploded view of a partial structure of an automatic pipe drilling apparatus according to an embodiment of the present invention;

fig. 3 is a schematic view of an installation structure of the clamping assembly according to the embodiment of the invention.

Reference numerals:

the device comprises a workbench 100, a rack 110, a guide rail 111, a guide groove 112, a mounting sleeve 113, a lifting mechanism 120, a connecting frame 121, a sliding seat 130, a mounting cylinder 131, a sliding block 132, a driving mechanism 140, a second motor 141, a screw rod 142, a supporting plate 150, a supporting block 151, a third arc-shaped groove 152, a mounting seat 153, a connecting plate 160 and a connecting rod 170;

the drilling mechanism 200, the first motor 210, the first rotary table 220, the first elastic mechanism 230, the first guide post 231, the first spring 232, the first limit nut 233, the second rotary table 240 and the drill 250;

the clamping device comprises a clamping assembly 300, an upper clamp group 310, an upper clamping block 311, a second elastic mechanism 312, a second arc-shaped groove 313, a second guide pillar 314, a second spring 315, a second limiting nut 316, a push plate 317, a lower clamp group 320, a mounting plate 321, a lower clamping block 322, a first arc-shaped groove 323 and a mounting frame 324.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, an automatic drilling device for a pipeline according to an embodiment of the present invention includes: the drilling machine comprises a workbench 100, a drilling mechanism 200 and a clamping assembly 300.

The upper end of the working table 100 is provided with a frame 110, and the frame 110 is provided with a lifting mechanism 120, it is conceivable that the lifting mechanism 120 may be an oil cylinder or an air cylinder, specifically, in this embodiment, the lower end of the lifting mechanism 120 is a telescopic end.

The drilling mechanism 200 comprises a first motor 210, a first rotary table 220, a first elastic mechanism 230, a second rotary table 240 and a drill bit 250 which are sequentially connected from top to bottom, the first motor 210 is connected to the lifting end of the lifting mechanism 120, so that the lifting mechanism 120 can drive the drilling mechanism 200 to lift, the first rotary table 220 is fixedly connected with an output shaft of the first motor 210, specifically, in the embodiment, the output shaft of the first motor 210 is vertically arranged, and the first motor 210 can drive the first rotary table 220 to rotate around the vertical direction; the second rotating disk 240 is vertically and elastically movably mounted on the first rotating disk 220 through the first elastic mechanism 230, and can rotate synchronously with the first rotating disk 220, it should be noted that the synchronous rotation described herein means that the first rotating disk 220 and the second rotating disk 240 rotate at equal angular speeds, and in this embodiment, the second rotating disk 240 can only lift relative to the first rotating disk 220, but cannot rotate or move transversely relative to the first rotating disk 220; the drill 250 is vertically detachably and fixedly connected to the bottom end of the second rotary table 240, so that the drill 250 can be driven by the first motor 210 to rotate, and is connected by bolts or pins, so as to be convenient to replace; specifically, in the present embodiment, the first turntable 220 and the second turntable 240 are both disc-shaped, and the output shaft of the first motor 210, the first turntable 220, the second turntable 240, and the drill 250 are all coaxially disposed.

Two clamping assemblies 300 are arranged at intervals along a first horizontal direction, specifically, as shown in fig. 1, the first horizontal direction is a left-right direction; the clamping assemblies 300 comprise an upper clamp group 310 and a lower clamp group 320, the lower clamp group 320 is fixedly arranged on the workbench 100, the upper clamp group 310 can be vertically and elastically movably arranged on the upper side of the lower clamp group 320 and can be matched with the lower clamp group 320 to clamp the end part of a pipeline, the upper clamp group 310 and the lower clamp group 320 of the two clamping assemblies 300 are respectively matched with the two ends of the clamped pipeline to clamp the pipeline on the workbench 100, it can be understood that the drill bit 250 is positioned right above the clamped pipeline, and the first horizontal direction is the length direction of the clamped pipeline.

According to the automatic pipeline drilling device provided by the embodiment of the invention, the lifting mechanism 120 is arranged for driving the drilling mechanism 200 to lift, and the first motor 210 is used for driving the drill bit 250 to rotate, so that automatic drilling can be realized; the first rotary table 220, the first elastic mechanism 230 and the second rotary table 240 are arranged between the first motor 210 and the drill bit 250, and the second rotary table 240 is vertically and elastically movably mounted on the first rotary table 220 through the first elastic mechanism 230, so that a vertical elastic buffering effect can be achieved, the drill bit 250 is prevented from rigidly colliding with a pipeline to be drilled, the pipeline is not easy to damage, and the yield can be improved; the upper clamp group 310 capable of elastically moving vertically is arranged, and the lower clamp group 320 is matched to clamp the end of the pipeline, so that the clamping force is softer, and the end of the pipeline is not easily crushed.

In some specific embodiments, as shown in fig. 1 and 2, the drilling mechanism 200 is provided in plurality at intervals along a second horizontal direction (i.e. a front-back direction) perpendicular to the first horizontal direction, and the clamping assembly 300 can clamp a plurality of pipelines, each of which corresponds to one drilling mechanism 200, so that the plurality of pipelines can be processed at the same time by providing the plurality of drilling mechanisms 200, and the production efficiency is higher.

Referring to fig. 1 and 2, in some embodiments of the present invention, the first elastic mechanism 230 includes a first guide post 231, a first spring 232 and a first limit nut 233, the first guide post 231 is fixed to the upper end of the second turntable 240 and vertically movably penetrates through the first turntable 220, the first spring 232 is sleeved on the first guide post 231, and two ends of the first spring 232 respectively abut against the first turntable 220 and the second turntable 240, the first spring 232 can apply a downward elastic force to the second turntable 240, the first limit nut 233 is screwed on the first guide post 231 and is located on a side of the first turntable 220 away from the second turntable 240, so as to prevent the first guide post 231 from separating from the first turntable 220, specifically, in this embodiment, a plurality of the first guide posts 231, the first spring 232 and the first limit nut 233 are correspondingly arranged and circumferentially arranged around a central axis of the second turntable 240, so as to improve a buffering effect and structural stability, this embodiment can play the buffering effect through above-mentioned setting, can realize the synchronous rotation of first carousel 220 and second carousel 240 again, and simple structure, easy dismounting. Further, in some embodiments, a boss for abutting against the lower surface of the first rotary disc 220 is disposed at the center of the upper surface of the second rotary disc 240, specifically, before the drill bit 250 is not in contact with the pipe to be drilled, a distance exists between the upper surface of the boss and the lower surface of the first rotary disc 220, so that when the drill bit 250 is in contact with the pipe, the first rotary disc 220 extrudes the first spring 232 first, the first spring 232 generates elastic deformation to play a buffering role, when the first rotary disc 220 is compressed to a certain degree, the first rotary disc 220 is in contact with the boss, and at this time, the downward pressure of the first rotary disc 220 can be directly transmitted to the second rotary disc 240 through the boss and then transmitted to the drill bit 250, which is more stable than the downward pressure transmitted through the first spring 232.

Referring to fig. 1 and 3, in some embodiments of the present invention, the lower clamp group 320 includes a mounting plate 321 and a lower fixture block 322, the mounting plate 321 is fixedly connected to the upper surface of the worktable 100, specifically, fixedly connected by a screw; the lower fixture block 322 is detachably and fixedly connected to the mounting plate 321, so that the replacement is convenient; the upper end of the lower fixture block 322 is provided with a first arc-shaped groove 323, specifically, the first arc-shaped groove 323 penetrates through the lower fixture block 322 along a first horizontal direction, and the upper end is an opening, it can be understood that the diameter of the first arc-shaped groove 323 is greater than or equal to the diameter of the pipeline, and the central angle corresponding to the first arc-shaped groove 323 is less than or equal to 180 degrees, so that the pipeline can be embedded into the first arc-shaped groove 323; mounting bracket 324 is connected with to mounting panel 321 upper end, it includes fixture block 311 and second elastic mechanism 312 to go up fixture block 311, go up fixture block 311 through the vertical elasticity movable mounting of second elastic mechanism 312 in mounting bracket 324, it sets up under fixture block 322 to go up fixture block 311, it is equipped with second arc wall 313 to go up fixture block 311 lower extreme, second arc wall 313 matches with first arc wall 323 shape and size, in order to be used for cooperating first arc wall 323 and press from both sides tight pipeline, through setting up second arc wall 313 and first arc wall 323, can increase the area of contact with the pipeline, in addition the setting of second elastic mechanism 312, an elasticity buffering effect can be played, thereby can effectively avoid the pipeline to be damaged by clamping part.

Referring to fig. 1 and 3, in some embodiments of the present invention, the second elastic mechanism 312 includes a second guide pillar 314, a second spring 315 and a second limit nut 316, the second guide pillar 314 is fixedly connected to the upper end of the upper fixture block 311 and vertically movably penetrates through the mounting frame 324, the second spring 315 is sleeved on the second guide pillar 314, and two ends of the second spring are respectively abutted against the mounting frame 324 and the upper fixture block 311, the second spring 315 can apply a downward elastic force to the upper fixture block 311, so that the upper fixture block 311 can press the pipeline downward, the second limit nut 316 is screwed on the second guide pillar 314 and is located on a side of the mounting frame 324 away from the upper fixture block 311, so as to prevent the second guide pillar 314 from being separated from the mounting frame 324, in this embodiment, the upper fixture block 311 can press the pipeline more softly and is not easily damaged, and the structure is simple, and the assembly and disassembly are convenient; in addition, the mounting bracket 324 is detachably connected to the mounting plate 321 to facilitate the detachment of the second elastic mechanism 312. In some specific embodiments, the upper fixture block 311 and the lower fixture block 322 are correspondingly provided with a plurality of fixture blocks, the number of the fixture blocks is twice as large as that of the drilling mechanism 200, the fixture blocks are used for clamping a plurality of pipes for batch drilling, the upper fixture blocks 311 located on the same side (left side or right side) are fixedly connected with the push plate 317 through screws, the second guide post 314 is fixedly arranged on the push plate 317 to be indirectly fixedly connected with the upper fixture block 311, and the lower end of the second spring 315 abuts against the push plate 317 to be indirectly abutted against the upper fixture block 311.

Referring to fig. 1 and 2, in some embodiments of the present invention, a sliding seat 130 and a driving mechanism 140 capable of driving the sliding seat 130 to slide along a first horizontal direction are disposed on a frame 110, a lifting mechanism 120 is mounted on the sliding seat 130, a telescopic end of the lifting mechanism 120 is located at a lower side of the sliding seat 130, that is, a drilling mechanism 200 is located at a lower side of the sliding seat 130, it can be understood that, in this embodiment, a first horizontal direction (left-right direction) is a length direction of a clamped pipeline, and by disposing the driving mechanism 140, the lifting mechanism 120 can be indirectly driven to slide along the first horizontal direction, so as to drive the drilling mechanism 200 to move along the first horizontal direction, thereby implementing processing of different positions in the length direction of the pipeline.

Referring to fig. 1 to 3, in some embodiments of the present invention, a support plate 150 is fixedly connected below the sliding seat 130, specifically, in this embodiment, the support plate 150 is located at the lower side of the clamped pipeline and located between two clamping assemblies 300, a support block 151 is fixedly arranged on the support plate 150, specifically, the support block 151 is connected to the support plate 150 through a screw to facilitate replacement, the support block 151 is located directly below the drill 250, and it should be noted that, the directly below is described herein, which means that a projection of the drill 250 on a horizontal plane falls within a projection area of the support block 151 on the horizontal plane; the upper end of the supporting block 151 is provided with a third arc-shaped groove 152 penetrating along the first horizontal direction for supporting the pipeline, specifically, in this embodiment, the third arc-shaped groove 152 is aligned with the first arc-shaped groove 323 in the left-right direction, and the shape and the size are matched; this embodiment is through setting up supporting shoe 151 and third arc wall 152, thereby can support the pipeline and treat the part of drilling, avoid the pipeline damage of buckling, again because sliding seat 130 and backup pad 150 fixed connection, supporting shoe 151 sets up in backup pad 150, thereby supporting shoe 151 can be with sliding seat 130 synchronous horizontal migration, supporting shoe 151 can be located drill bit 250 all the time under, treat the part of drilling with the supporting pipeline, through the aforesaid setting, need not support whole pipeline, can save material, also can reduce the damage of pipeline simultaneously. In some embodiments, the supporting block 151 is provided in plurality corresponding to the drilling mechanism 200.

Referring to fig. 1 and 2, in some embodiments of the present invention, the lifting end of the lifting mechanism 120 is fixedly connected with a connecting plate 160, the connecting plate 160 is horizontally disposed, the first motor 210 is fixedly connected to the connecting plate 160, and the connecting plate 160 is disposed to provide a good installation position for the first motor 210, specifically, the lifting end of the lifting mechanism 120 is fixedly connected with a connecting frame 121, and the connecting plate 160 is connected to the bottom end of the connecting frame 121 through a bolt to be indirectly connected with the lifting end of the lifting mechanism 120, so that the operation is more convenient when the first motor 210 or other parts of the drilling mechanism 200 need to be disassembled; further, the sliding seat 130 and the supporting plate 150 are fixedly connected through a vertically arranged connecting rod 170, and the connecting rod 170 is movably arranged through the connecting plate 160, so that the connecting rod 170 can be used for realizing the fixed connection between the sliding seat 130 and the supporting plate 150, and can also provide guidance for the lifting of the connecting plate 160, so that the lifting of the drilling mechanism 200 is more stable.

Referring to fig. 1 and 2, in some embodiments of the present invention, the upper end of the support plate 150 is provided with a mounting seat 153, a mounting hole is formed in the mounting seat 153, the upper end of the sliding seat 130 is provided with a hollow mounting cylinder 131, the bottom end of the connecting rod 170 is inserted into the mounting hole and detachably connected to the mounting seat 153, specifically, the connecting rod 170 can be connected by a bolt or a pin, the upper end of the connecting rod 170 passes through the sliding seat 130 and the mounting cylinder 131 and detachably connected to the mounting cylinder 131, specifically, the connecting rod 170 can be connected by a bolt or a pin, the mounting seat 153 and the mounting cylinder 131 are provided in this embodiment to provide a good mounting position for the connecting rod 170, and the connecting rod 170 can be more stable in structure when being subjected to a lateral force, and in addition, the detachable connection to the mounting seat 153 and the mounting cylinder 131 respectively can also facilitate the detachment and installation of the connecting rod 170.

Referring to fig. 1 and 2, in some embodiments of the present invention, two guide rails 111 are spaced apart from each other on the frame 110, two opposing surfaces of the two guide rails 111 are respectively provided with a guide slot 112 extending along a first horizontal direction, two ends of the sliding seat 130 are respectively provided with a sliding block 132 corresponding to the guide slot 112, the two sliding blocks 132 are respectively slidably inserted into the two guide slots 112, the driving mechanism 140 includes a second motor 141 and a lead screw 142 connected in a transmission manner, the lead screw 142 is rotatably installed in the guide slot 112 and is in threaded connection with the sliding block 132, the second motor 141 can drive the lead screw 142 to rotate, so as to drive the sliding block 132 to slide along the first horizontal direction, specifically, in this embodiment, two lead screws 142 are installed in the two guide slots 112, and the second motor 141 controls the two lead screws 142 to rotate synchronously through a transmission assembly.

Referring to fig. 1 and 2, in some embodiments of the present invention, one end of the guide groove 112 in the extending direction is open and detachably connected with the mounting sleeve 113, specifically, the mounting sleeve 113 is connected to the guide rail 111 through a screw, one end of the screw rod 142 is rotatably mounted on the mounting sleeve 113, the other end is rotatably mounted on the side wall of the guide groove 112, the second motor 141 is mounted on one end of the guide rail 111 away from the mounting sleeve 113, and the mounting sleeve 113 is arranged to facilitate the dismounting of the sliding seat 130.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An automatic drilling device for pipelines, comprising:

the upper end of the workbench (100) is provided with a rack (110), and the rack (110) is provided with a lifting mechanism (120);

the drilling mechanism (200) comprises a first motor (210), a first rotary table (220), a first elastic mechanism (230), a second rotary table (240) and a drill bit (250), which are sequentially connected from top to bottom, wherein the first motor (210) is connected to the lifting end of the lifting mechanism (120), the first rotary table (220) is fixedly connected with the output shaft of the first motor (210), and the second rotary table (240) is vertically, elastically and movably mounted on the first rotary table (220) through the first elastic mechanism (230) and can synchronously rotate with the first rotary table (220);

clamping subassembly (300), be equipped with two along first horizontal direction interval, including last anchor clamps group (310) and lower anchor clamps group (320), lower anchor clamps group (320) set firmly in workstation (100), go up anchor clamps group (310) can vertical elasticity movably install in lower anchor clamps group (320) upside to can cooperate the tip that lower anchor clamps group (320) pressed from both sides tight pipeline.

2. The automatic drilling device for the pipeline according to claim 1, wherein the first elastic mechanism (230) comprises a first guide post (231), a first spring (232) and a first limit nut (233), the first guide post (231) is fixedly arranged at the upper end of the second rotary table (240) and vertically movably penetrates through the first rotary table (220), the first spring (232) is sleeved on the first guide post (231), two ends of the first spring respectively abut against the first rotary table (220) and the second rotary table (240), and the first limit nut (233) is in threaded connection with the first guide post (231) and is located on one side of the first rotary table (220) departing from the second rotary table (240).

3. The automatic pipe drilling device according to claim 1, wherein the lower clamp group (320) comprises a mounting plate (321) and a lower clamp block (322), the lower clamp block (322) is detachably and fixedly connected to the mounting plate (321), a first arc-shaped groove (323) is formed in the upper end of the lower clamp block (322), a mounting frame (324) is connected to the upper end of the mounting plate (321), the upper clamp group (310) comprises an upper clamp block (311) and a second elastic mechanism (312), the upper clamp block (311) is vertically and elastically movably mounted on the mounting frame (324) through the second elastic mechanism (312), and a second arc-shaped groove (313) is formed in the lower end of the upper clamp block (311) to match with the first arc-shaped groove (323) to clamp the pipe.

4. The automatic drilling device for the pipeline according to claim 3, wherein the second elastic mechanism (312) comprises a second guide post (314), a second spring (315) and a second limit nut (316), the second guide post (314) is fixedly connected to the upper end of the upper clamping block (311) and vertically movably penetrates through the mounting frame (324), the second spring (315) is sleeved on the second guide post (314), two ends of the second spring respectively abut against the mounting frame (324) and the upper clamping block (311), and the second limit nut (316) is screwed on the second guide post (314) and is located on one side of the mounting frame (324) departing from the upper clamping block (311).

5. The automatic drilling device for the pipeline according to claim 1, wherein the frame (110) is provided with a sliding seat (130) and a driving mechanism (140) capable of driving the sliding seat to slide along a first horizontal direction, and the lifting mechanism (120) is mounted on the sliding seat (130).

6. The automatic pipe drilling device according to claim 5, wherein a support plate (150) is fixedly connected below the sliding seat (130), a support block (151) is fixedly arranged on the support plate (150), the support block (151) is located right below the drill bit (250), and a third arc-shaped groove (152) penetrating along the first horizontal direction is formed in the upper end of the support block (151) and used for supporting a pipe.

7. The automatic drilling device for the pipeline according to claim 6, wherein a connecting plate (160) is fixedly connected to the lifting end of the lifting mechanism (120), the first motor (210) is fixedly connected to the connecting plate (160), the sliding seat (130) is fixedly connected to the supporting plate (150) through a vertically arranged connecting rod (170), and the connecting rod (170) is movably arranged through the connecting plate (160).

8. The automatic drilling device for the pipeline according to claim 7, wherein a mounting seat (153) is arranged at the upper end of the supporting plate (150), a mounting hole is formed in the mounting seat (153), a mounting cylinder (131) is arranged at the upper end of the sliding seat (130), the bottom end of the connecting rod (170) is inserted into the mounting hole and detachably connected with the mounting seat (153), and the upper end of the connecting rod (170) penetrates through the sliding seat (130) and the mounting cylinder (131) and is detachably connected with the mounting cylinder (131).

9. The automatic pipe drilling device according to claim 5, wherein two guide rails (111) are spaced on the frame (110), guide grooves (112) extending in a first horizontal direction are formed in opposite surfaces of the two guide rails (111), sliding blocks (132) are arranged at two ends of the sliding seat (130) corresponding to the guide grooves (112), the sliding blocks (132) are slidably embedded into the corresponding guide grooves (112), the driving mechanism (140) comprises a second motor (141) and a lead screw (142) which are in transmission connection, and the lead screw (142) is rotatably installed in the guide grooves (112) and is in threaded connection with the sliding blocks (132).

10. The automatic drilling device for the pipeline according to claim 9, wherein one end of the extending direction of the guide groove (112) is open and is detachably connected with a mounting sleeve (113), one end of the screw rod (142) is rotatably mounted on the mounting sleeve (113), the other end of the screw rod is rotatably mounted on the side wall of the guide groove (112), and the second motor (141) is mounted at one end of the guide rail (111) which is far away from the mounting sleeve (113).