CN116652239A - Drilling machine for processing outer metal pipe of rubber lining pipeline - Google Patents

Abstract

The application relates to the technical field of drilling of rubber-lined pipelines, and particularly provides a drilling machine for processing an outer metal pipe of a rubber-lined pipeline. According to the application, the pipeline is fixed through the matching of the fixing group and the positioning group, the positioning group is used for positioning the placement fixing position of the pipeline, the pipeline placement deviation is prevented, the accuracy of drilling the connecting ring of the pipeline is improved, and then the middle part of the pipeline and the connecting rings at two ends are fixed through the matching of the positioning group and the drilling mechanism, so that the drilling quality of the pipeline is improved, and the connecting ring of the pipeline is prevented from being deformed or cracked with an outer metal pipe easily under the action of the drilling power of a drill bit during drilling, thereby influencing the use of the rubber lining pipeline.

Description

Drilling machine for processing outer metal pipe of rubber lining pipeline

Technical Field

The application relates to the technical field of drilling of rubber lining pipelines, and particularly provides a drilling machine for processing an outer metal pipe of a rubber lining pipeline.

Background

The rubber lining pipeline is a pipeline with steel or a hard structure as a pipeline framework, rubber with wear resistance, corrosion resistance and high temperature resistance is used as a lining layer, an outer metal pipe and the rubber lining pipe are bonded in a gluing mode, meanwhile, connecting rings are connected at two ends of the metal pipe, the rubber lining pipeline is of an arc-shaped structure and used as a connecting piece to be connected with pipelines at two sides, and after the outer metal pipe and the rubber lining pipe are bonded, the connecting rings at two ends of the rubber lining pipeline are subjected to drilling processing so as to be convenient for connecting the rubber lining pipeline with other pipelines.

But the following problems are likely to occur when drilling holes in both ends of a rubber-lined pipe: 1. the connecting rings at the two ends of the outer metal pipe are easy to be unstable due to the fixation of the rubber lining pipe during drilling, the drilling quality is affected, and the connecting rings of the rubber lining pipe are easy to deform or crack with the outer metal pipe under the action of the drilling power of a drill bit during drilling, so that the use of the rubber lining pipe is affected; 2. when the rubber lining pipeline is drilled, the offset of the fixed placement position of the rubber lining pipeline easily causes the offset of the connecting ring drilling of the rubber lining pipeline, and the connection after the rubber lining pipeline is affected; 3 when the pipeline is drilled, the drilled scraps are easy to splash between the outer metal pipe and the rubber lining pipe, and the problem that the outer metal pipe and the rubber lining pipe fall off is easy to cause.

Disclosure of Invention

In view of the above problems, the embodiment of the application provides a drilling machine for processing an outer metal pipe of a rubber-lined pipe, which aims to solve the technical problems that in the related art, the fixing instability and the fixing offset of the rubber-lined pipe affect the drilling quality of the rubber-lined pipe, and the drilling power of a drill bit is large, so that a connecting ring is deformed or a crack occurs between the connecting ring and the outer metal pipe.

In order to achieve the above object, the embodiment of the present application provides the following technical solutions: the utility model provides a drilling machine for outer metal pipe of rubber lining pipeline processing, includes pipeline and base, and the pipeline comprises the go-between that rubber lining pipe and metal outer tube and the fixed cover in metal outer tube both ends established, the base is L type structure, and the horizontal segment of base is installed and is fixed and drive the pipeline along the gliding clamping slip mechanism of base length direction.

The base is provided with a drilling mechanism for drilling the connecting rings at two ends of the pipeline, and the drilling mechanism drills holes in the connecting rings circumferentially distributed along the connecting rings.

The clamping sliding mechanism comprises a sliding seat which is connected to the top of the horizontal section of the base in a sliding mode and is of an inverted U-shaped structure, a fixed group which is used for clamping a pipeline and symmetrically arranged along the length direction of the fixed group is arranged on the arc side wall of the sliding seat, the fixed group slides along the circle center direction of the arc part of the side wall of the sliding seat, a positioning group which is symmetrically arranged along the length direction of the fixed group is arranged on the base, and the positioning group is used for positioning the placement position of the pipeline when the fixed group is used for fixing the pipeline.

The drilling mechanism comprises two fixed boxes, the two fixed boxes are respectively arranged on the horizontal section and the vertical section of the base, the fixed boxes are of hollow column structures, the end faces of the fixed boxes, which are far away from the base, are connected with mounting seats which slide along the axes of the fixed boxes, the end faces of the mounting seats, which are far away from the fixed boxes, are provided with rotating rods which are uniformly distributed along the circumferential direction of the fixed boxes, the rotating rods are provided with drill bits, the fixed boxes are provided with connecting columns which are concentric with the fixed boxes, the connecting columns penetrate through the mounting seats and are provided with bearing seats, the bearing seats are of hollow structures, the side walls of the bearing seats are provided with plugging rings, the side walls of the plugging rings are provided with clamping groups which support and fix the connecting rings, and the side walls of the bearing seats are provided with middle supporting groups which support and guide the rotating rods.

The fixed group includes sliding connection at the L type pole of sliding seat arc lateral wall, the vertical section of L type pole is to keeping away from the slope of the one side of the vertical section of base, the horizontal segment of L type pole is located the arc inboard of sliding seat, install the dog that is located the sliding seat arc inboard on the L type pole, install the arc cassette on the L type pole, be connected with the cover between sliding seat and the arc cassette and establish the reset spring on the L type pole, the otic placode is installed to one of them lateral wall of arc cassette, sliding connection has the L type strip of falling on the otic placode, install the arc pressure seat on the L type strip of falling, the arc pressure seat is fixed the pipeline with the cooperation of arc cassette, install on the L type strip of falling and drive the piece, rotate on the otic placode and be connected with the screw rod, the screw rod is connected through screw-thread fit's mode with the drive piece, install the drive assembly who drives L type pole and remove on the base.

The locating group is including connecting the mount and connecting the mount No. two in the vertical section of base in the mount No. one of base horizontal segment, the mount is kept away from the terminal surface of base and is installed a location cassette, a location cassette comprises arc seat and horizontal segment baffle that is the fan-shaped structure of right angle, the horizontal segment baffle is connected with one side that the arc seat is close to fixed box, the cross-section of horizontal segment baffle and arc seat is type structure, the mount is kept away from the terminal surface of base and is installed No. two location cassettes, no. two location cassettes are by being the arc of the fan-shaped structure of right angle accept the board and lead and move the board and constitute, lead and move the board and be connected with one side that the arc is close to fixed box that the board is accepted to the arc, lead and move the board and all be L type structure with the cross-section that the arc accepted the board.

The clamping and fixing set comprises bearing bars which are arranged on the side wall of the plugging ring and uniformly distributed along the circumferential direction of the bearing bars, wherein the bearing bars and the rotating rods are arranged in a staggered manner, sliding grooves which are communicated up and down are formed in the bearing bars, clamping plates of an inverted L-shaped structure are connected in the sliding grooves in a sliding manner, guide moving grooves are formed in two sides of the sliding grooves, the side wall, close to the fixing box, of the guide moving grooves is of an arc-shaped structure which is protruded in the direction away from the plugging ring, the side wall, far away from the fixing box, of the guide moving grooves is provided with a pressing plate through a pressing spring which is uniformly distributed, the clamping plates are provided with guide blocks which are connected with the guide moving grooves in a sliding manner, ejector rods are arranged on the guide blocks, the ejector rods slide along the arc-shaped side walls of the guide moving grooves, stop bars are arranged on the side walls of the bearing seats in a sliding manner, sliding assemblies which drive the moving rods to move are arranged in the bearing seats, inserting rods are arranged on the end faces, close to the plugging rings, and slots matched with the inserting rods are formed in the clamping plates.

The sliding assembly comprises a pushing rod connected with the inside of the bearing seat, a conical table is mounted on the pushing rod, the side wall of the conical table is in sliding connection with the end part of the moving rod, a connecting bar is mounted on the moving rod, the connecting bar is connected with the inner wall of the bearing seat through a tension spring, a mounting groove is formed in the fixing box, a cylinder is mounted in the mounting groove, and the pushing rod penetrates through the bearing seat and is connected with the telescopic end of the cylinder after penetrating through the connecting column.

The middle support group comprises column-shaped rods which are connected to the side wall of the bearing seat and uniformly distributed along the circumferential direction of the column-shaped rods, support lantern rings are arranged on the column-shaped rods, the rotating rods penetrate into the support lantern rings, the support lantern rings are connected with the rotating rods through linear bearings, arc-shaped guide seats which are uniformly distributed along the circumferential direction of the bearing seat are arranged on the side wall of the bearing seat, and guide holes concentric with the support lantern rings are formed in the arc-shaped guide seats.

The driving assembly comprises an electric telescopic rod arranged on the horizontal section of the base through a supporting frame, and a Z-shaped hook plate is arranged at the telescopic end of the electric telescopic rod.

One end of the bearing seat, which is far away from the connecting column, is of an arc-shaped structure.

And the clamping plates are provided with symmetrically arranged supplementary arc plates.

The top of the mounting seat positioned on the horizontal section of the base is of an arc-shaped structure.

The above technical solutions in the embodiments of the present application have at least one of the following technical effects: 1. according to the drilling machine for processing the outer metal pipe of the rubber lining pipe, the pipe is fixed through the matching of the fixing group and the locating group, meanwhile, the locating group locates the placement fixing position of the pipe, the pipe placement deviation is prevented, the accuracy of drilling holes of the connecting rings of the pipe is improved, then the connecting rings at the middle part and the two ends of the pipe are fixed through the matching of the locating group and the drilling mechanism, the drilling quality of the pipe is improved, and the connecting rings of the pipe are prevented from being deformed easily under the action of drilling power of a drill bit or cracking with the outer metal pipe during drilling, so that the use of the rubber lining pipe is affected.

2. According to the application, the joint of the rubber lining pipe and the metal outer pipe of the pipeline is plugged by the plugging ring, so that the problem that the connection of the rubber lining pipe and the two ends of the metal outer pipe is fallen off due to the fact that scraps generated by drilling enter between the joint of the rubber lining pipe and the metal outer pipe during the drilling of the connecting ring is prevented.

3. The clamping and pressing plates are provided with symmetrically arranged complementary arc plates, and the complementary arc plates are used for increasing the contact area between the clamping and pressing plates and the side wall of the connecting ring and improving the stability of fixing the two ends of the pipeline.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a main perspective structure of the present application.

Fig. 2 is an enlarged schematic view of a portion of fig. 1 of the present application.

Fig. 3 is an enlarged schematic view of a portion of the present application at B of fig. 1.

Fig. 4 is a top view of the present application.

Fig. 5 is a C-C cross-sectional view of fig. 4 in accordance with the present application.

Fig. 6 is an enlarged schematic view of a portion of the present application at D of fig. 5.

Fig. 7 is a side cross-sectional view of the fastening assembly of the present application.

Fig. 8 is an enlarged partial schematic view of fig. 5 at E in accordance with the present application.

Fig. 9 is a schematic structural view of a rubber lined pipe.

Reference numerals: 1. a pipe; 2. a base; 3. clamping and sliding mechanisms; 4. a drilling mechanism; 10. a rubber lining tube; 11. a metal outer tube; 12. a connecting ring; 30. a sliding seat; 31. a fixed group; 32. positioning groups; 310. an L-shaped rod; 311. a stop block; 312. an arc-shaped clamping seat; 313. a return spring; 314. ear plates; 315. an inverted L-shaped strip; 316. an arc-shaped pressing seat; 317. a driving block; 318. a screw; 330. an electric telescopic rod; 331. a Z-shaped hook plate; 320. a first fixing frame; 321. a second fixing frame; 322. an arc-shaped seat; 323. a horizontal section guide plate; 324. an arc-shaped receiving plate; 325. a guide plate; 40. a fixed box; 41. a mounting base; 42. a rotating rod; 43. a drill bit; 44. a connecting column; 45. a socket; 46. a plugging ring; 47. a clamping group; 48. a middle support group; 470. a receiving bar; 471. clamping and pressing plates; 472. a guide and transfer groove; 473. pressing the spring; 474. a pressing plate; 475. a guide block; 476. a push rod; 477. a moving rod; 478. a barrier strip; 479. a rod; 490. a pushing rod; 491. a conical table; 492. a tension spring; 493. a cylinder; 494. supplementing an arc plate; 480. a column-shaped rod; 481. a support collar; 482. an arc-shaped guide seat; 483. and a guide hole.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In order that those skilled in the art will better understand the present application, the following description will be given in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 9, a drilling machine for processing an outer metal pipe of a rubber-lined pipe comprises a pipe 1 and a base 2, wherein the pipe 1 is composed of a rubber inner liner pipe 10, a metal outer pipe 11 and connecting rings 12 fixedly sleeved at two ends of the metal outer pipe 11, the base 2 is of an L-shaped structure, and a clamping sliding mechanism 3 for fixing the pipe 1 and driving the pipe 1 to slide along the length direction of the base 2 is arranged on the horizontal section of the base 2.

The base 2 is provided with a drilling mechanism 4 for drilling the connecting rings 12 at the two ends of the pipeline 1, and the drilling mechanism 4 drills holes along the periphery Xiang Paibu of the connecting rings 12 on the connecting rings 12.

Referring to fig. 1, the clamping and sliding mechanism 3 includes a sliding seat 30 which is slidably connected to the top of the horizontal section of the base 2 and has an inverted U-shaped structure, a fixing group 31 which is symmetrically arranged along the length direction of the arc-shaped side wall of the sliding seat 30 and clamps the pipeline 1 is installed on the arc-shaped side wall of the sliding seat 30, the fixing group 31 slides along the center direction of the arc-shaped part of the side wall of the sliding seat 30, a positioning group 32 which is symmetrically arranged along the length direction of the sliding seat is installed on the base 2, and the positioning group 32 is used for positioning the placement position of the pipeline 1 when the fixing group 31 fixes the pipeline 1.

The pipeline 1 is fixed by the cooperation of one group of fixing groups 31 and the positioning group 32, and the positioning and fixing positions of the pipeline 1 are positioned at the same time, so that the pipeline 1 is prevented from being placed and offset.

Referring to fig. 1, fig. 4, fig. 5, fig. 6 and fig. 8, the drilling mechanism 4 includes two fixing boxes 40, the two fixing boxes 40 are respectively installed at the horizontal section and the vertical section of the base 2, the fixing boxes 40 are in a hollow column structure, the end surface of the fixing box 40 far away from the base 2 is connected with an installation seat 41 sliding along the axis of the fixing box, the end surface of the installation seat 41 far away from the fixing box 40 is provided with a rotating rod 42 uniformly distributed along the circumferential direction of the fixing box 40, the rotating rod 42 is provided with a drill bit 43, the fixing box 40 is provided with a connecting column 44 concentric with the drill bit, the connecting column 44 penetrates through the installation seat 41 and is provided with a bearing seat 45, the bearing seat 45 is in a hollow structure, the side wall of the bearing seat 45 is provided with a plugging ring 46, the side wall of the plugging ring 46 is provided with a clamping set 47 supporting and fixing the connecting ring 12, and the side wall of the bearing seat 45 is provided with a middle supporting set 48 supporting and guiding the rotating rod 42.

The drilling mechanism 4 is located at a drilling processing station, and the positioning group 32 is located at a loading and unloading station.

The connecting rings 12 at two ends of the pipeline 1 are clamped and fixed through the clamping groups 47, and one side, far away from the pipeline 1, of the connecting rings 12 is supported in a propping mode, so that the middle part and two ends of the pipeline 1 are fixed, the pipeline 1 is prevented from shaking during drilling to influence the drilling quality, and meanwhile, the connecting rings 12 are prevented from deforming due to large drilling force when drilling is conducted on the connecting rings 12, and the later use connection of the pipeline 1 is influenced.

Then, the mounting seat 41 is pushed to move through external driving equipment (such as an electric sliding block) installed in the fixing box 40, the existing driving equipment installed in the mounting seat 41 drives the rotating rods 42 and the drill bit 43 to rotate simultaneously, the rotating rods 42 are driven to move and rotate towards the connecting ring 12 under the driving of the middle supporting group 48, so that the connecting ring 12 is drilled, meanwhile, the next pipeline 1 is placed on the fixing group 31 on the blanking station at the position at the moment, the next pipeline 1 is fixed, two sides can work simultaneously, and the drilling efficiency of the pipeline 1 is improved.

Referring to fig. 2 and 5, the fixing set 31 includes an L-shaped rod 310 slidably connected to an arc side wall of the sliding seat 30, a vertical section of the L-shaped rod 310 is inclined to a side far away from a vertical section of the base 2, a horizontal section of the L-shaped rod 310 is located at an arc inner side of the sliding seat 30, a stop block 311 located at the arc inner side of the sliding seat 30 is installed on the L-shaped rod 310, an arc clamping seat 312 is installed on the L-shaped rod 310, a return spring 313 sleeved on the L-shaped rod 310 is connected between the sliding seat 30 and the arc clamping seat 312, an ear plate 314 is installed on one side wall of the arc clamping seat 312, an inverted L-shaped strip 315 is slidably connected to the ear plate 314, an arc pressing seat 316 is installed on the inverted L-shaped strip 315, a driving block 317 is installed on the inverted L-shaped strip 315, a screw rod 318 is rotatably connected to the ear plate 314, the screw rod 318 is connected with the driving block 317 in a threaded fit manner, and a driving assembly for driving the L-shaped rod 310 is installed on the base 2.

The pipeline 1 is placed on the arc clamping seat 312 on the upper blanking station, the pipeline 1 is abutted against the positioning group 32, the positioning group 32 positions the placement of the pipeline 1, then the screw rod 318 is rotated, the screw rod 318 drives the inverted L-shaped strip 315 to move through threaded fit between the screw rod 318 and the driving block 317, the inverted L-shaped strip 315 drives the arc pressing seat 316 to move towards the pipeline 1 until the arc pressing seat 316 abuts against the pipeline 1 on the arc clamping seat 312, so that the pipeline 1 is fixed, and then the pipeline 1 is driven to move towards the drilling processing station.

When the pipeline 1 moves to the drilling station, the driving group drives the pipeline 1 on the L-shaped rod 310 to move towards the sliding seat 30 until the two ends of the pipeline 1 are abutted against the blocking rings 46, so that the drill bit 43 can accurately drill the pipeline 1.

Referring to fig. 1, the positioning set 32 includes a first fixing frame 320 connected to the horizontal section of the base 2 and a second fixing frame 321 connected to the vertical section of the base 2, a first positioning clamping seat is installed on the end surface of the first fixing frame 320 away from the base 2, the first positioning clamping seat is composed of an arc seat 322 with a right-angle fan-shaped structure and a horizontal section guide plate 323, the horizontal section guide plate 323 is connected with one side of the arc seat 322, which is close to the fixing box 40, the cross section of the horizontal section guide plate 323 and the arc seat 322 is -shaped structure, a second positioning clamping seat is installed on the end surface of the second fixing frame 321 away from the base 2, the second positioning clamping seat is composed of an arc receiving plate 324 with a right-angle fan-shaped structure and a guiding plate 325, the guiding plate 325 is connected with one side of the arc receiving plate 324, which is close to the fixing box 40, and the cross section of the guiding plate 325 and the arc receiving plate 324 are all L-shaped structures.

When placing pipeline 1, insert in the arc seat 322 with the go-between 12 lateral wall that is located pipeline 1 lower extreme, then and remove pipeline 1 and to arc and accept the board 324 removal, until pipeline 1's tip is supported tightly with the vertical section of arc and accept board 324, supports pipeline 1 through arc seat 322 and arc and accept board 324 to fixed group 31 is accurate to pipeline 1, prevents that pipeline 1 from placing the skew, leads to pipeline 1 drilling skew to influence its quality's problem.

Referring to fig. 3, 6 and 7, the fastening set 47 includes a receiving bar 470 installed on the side wall of the plugging ring 46 and uniformly distributed along the circumferential direction of the receiving bar 470, a sliding groove penetrating up and down is provided on the receiving bar 470, a clamping plate 471 with an inverted L-shaped structure is slidably connected in the sliding groove, two sides of the sliding groove are provided with guide moving grooves 472, the side wall of the guide moving groove 472 close to the fixing box 40 is in an arc structure protruding towards the direction far away from the plugging ring 46, the side wall of the guide moving groove 472 far away from the fixing box 40 is provided with a pressing plate 474 through a pressing spring 473 uniformly distributed, the clamping plate 471 is provided with a guide block 475 slidably connected with the guide moving groove 472, a push rod 476 is installed on the guide block 475, the push rod 476 slides along the arc side wall of the guide moving groove 472, a moving rod 477 uniformly distributed along the circumferential direction of the side wall of the receiving seat 45, the clamping plate 471 slides through the moving rod 477, a sliding assembly driving the moving rod 477 is installed in the receiving seat 45, the sliding seat 30 is close to the end face of the plugging seat 46, and the plugging rod 479 is provided with a plugging rod 479.

Referring to fig. 5 and 6, the sliding assembly includes a pushing rod 490 connected with the inner wall of the socket 45, a tapered table 491 is mounted on the pushing rod 490, a side wall of the tapered table 491 is slidably connected with an end of the moving rod 477, a connecting bar is mounted on the moving rod 477, the connecting bar is connected with the inner wall of the socket 45 through a tension spring 492, a mounting groove is formed in the fixing box 40, an air cylinder 493 is mounted in the mounting groove, and the pushing rod 490 penetrates through the socket 45 and the connecting post 44 to be connected with a telescopic end of the air cylinder 493.

When the end of the pipeline 1 abuts against the blocking ring 46, the air cylinder 493 and the pushing rod 490 drive the conical table 491 to move, the moving rod 477 slides along the side wall of the conical table 491 towards the inside of the bearing seat 45 under the action of the elastic force of the return spring 313, the moving rod 477 drives the clamping plate 471 to move towards the connecting ring 12, the ejector rod 476 slides along the arc side wall of the guide groove under the pushing of the elastic force of the pressing plate 474 and the pressing spring 473 in the moving process, so that one section of the clamping plate 471 perpendicular to the axis of the connecting ring 12 moves onto the connecting ring 12, then the ejector pin moves to the horizontal side wall of the guide groove, the clamping plate 471 pushes against the end face of the connecting ring 12, and then the clamping plate 471 moves to enable the inserting rod 479 to be inserted into the slot, thereby locking the clamping plate 471, and preventing the pushing force of the drill 43 from pushing the connecting ring 12 to deform or move during drilling.

Referring to fig. 3 and 8, the middle support group 48 includes a column-shaped rod 480 connected to the side wall of the receiving seat 45 and uniformly distributed along the circumferential direction thereof, a support collar 481 is installed on the column-shaped rod 480, the rotating rod 42 penetrates into the support collar 481, the support collar 481 is connected with the rotating rod 42 through a linear bearing, an arc-shaped guide seat 482 uniformly distributed along the circumferential direction thereof is installed on the side wall of the receiving seat 45, a guide hole 483 concentric with the support collar 481 is formed in the arc-shaped guide seat 482, and when the installation seat 41 drives the rotating rod 42 to rotate and move, the support collar 481 and the guide hole 483 support and guide the rotating rod 42, so that after the rotating rod 42 is prevented from moving, the support force at the middle is insufficient, the rotating rod 42 and the drill bit 43 shake under the action of centrifugal force, and the drilling quality of the pipeline 1 is affected.

Referring to fig. 5, the driving assembly includes an electric telescopic rod 330 installed on the horizontal section of the base 2 through a supporting frame, a Z-shaped hook plate 331 is installed at the telescopic end of the electric telescopic rod 330, when the L-shaped rod 310 moves to the drilling station, the electric telescopic rod 330 drives the Z-shaped hook plate 331 to pull the L-shaped rod 310 to move, so that two ends of the pipeline 1 move towards the plugging ring 46 until the end of the pipeline 1 abuts against the plugging ring 46.

Referring to fig. 5, the end of the receiving seat 45 away from the connecting post 44 has an arc-shaped structure, so as to be inserted into the pipe 1 to support the pipe 1.

Referring to fig. 3, the clamping plate 471 is provided with symmetrically arranged complementary arc plates 494, and the complementary arc plates 494 are used for increasing the contact area between the clamping plate 471 and the side wall of the connecting ring 12, so as to improve the stability of fixing two ends of the pipeline 1.

Referring to fig. 5, the top of the mounting seat 41 on the horizontal section of the base 2 is in an arc structure, so as to prevent chips generated by drilling from accumulating on the mounting seat 41.

During operation, thereby fix pipeline 1 through the cooperation of one of them fixed group 31 and location group 32, thereby fix a position the fixed position of placing of pipeline 1 simultaneously, prevent that pipeline 1 from placing the skew, then drive the seat 30 that slides through the electronic slider of the installation of seat 30 bottom that slides and remove, carry pipeline 1 to drilling processing station, then fixed group 31 drives pipeline 1 and remove to the socket 45 under drive assembly's drive effect, until the both ends of pipeline 1 are placed on shutoff ring 46, the shutoff ring 46 carries out the shutoff with the junction of bushing pipe 10 in the rubber of pipeline 1 and metal outer tube 11, prevent when go-between 12 drilling processing, the piece that drilling produced gets into between bushing pipe 10 and the junction of metal outer tube 11 in the rubber, lead to the problem that bushing pipe 10 drops with the connection at metal outer tube 11 both ends in the rubber.

Afterwards, the connecting rings 12 at two ends of the pipeline 1 are clamped and fixed through the clamping and fixing groups 47, and one side, far away from the pipeline 1, of the connecting rings 12 is propped and supported, so that the middle part and two ends of the pipeline 1 are fixed, the pipeline 1 is prevented from shaking during drilling to influence the drilling quality, and meanwhile, the connecting rings 12 are prevented from deforming due to large drilling force during drilling on the connecting rings 12, and the later use connection of the pipeline 1 is influenced.

After the two ends of the pipeline 1 are fixed, the existing driving equipment which is installed in the installation seat 41 and drives the plurality of rotating rods 42 to rotate simultaneously drives the rotating rods 42 to rotate with the drill bit 43, the rotating rods 42 are driven by the middle supporting group 48 to move and rotate towards the connecting ring 12, so that the connecting ring 12 is drilled, the next pipeline 1 is placed on the fixing group 31 on the blanking station at the position at the moment, the next pipeline 1 is fixed, two sides can work simultaneously, and the drilling efficiency of the pipeline 1 is improved.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

The embodiments of the present application are all preferred embodiments of the present application, and are not limited in scope by the present application, so that all equivalent changes according to the structure, shape and principle of the present application are covered in the scope of the present application.

Claims (10)

1. The utility model provides a drilling machine for outer metal pipe of rubber lining pipeline processing, includes pipeline (1) and base (2), and pipeline (1) comprises go-between (10) and metal outer tube (11) and fixed cover in metal outer tube (11) both ends establish, its characterized in that: the base (2) is of an L-shaped structure, and a clamping sliding mechanism (3) for fixing the pipeline (1) and driving the pipeline (1) to slide along the length direction of the base (2) is arranged on the horizontal section of the base (2);

the base (2) is provided with a drilling mechanism (4) for drilling the connecting rings (12) at two ends of the pipeline (1), and the drilling mechanism (4) drills the connecting rings (12) circumferentially arranged along the connecting rings (12);

the clamping sliding mechanism (3) comprises a sliding seat (30) which is connected to the top of the horizontal section of the base (2) in a sliding manner and is of an inverted U-shaped structure, a fixed group (31) which clamps the pipeline (1) and is symmetrically arranged along the length direction of the sliding seat is arranged on the arc-shaped side wall of the sliding seat (30), the fixed group (31) slides along the side wall of the sliding seat (30) towards the circle center direction of the arc-shaped part of the sliding seat, a positioning group (32) which is symmetrically arranged along the length direction of the sliding seat is arranged on the base (2), and the positioning group (32) is used for positioning the placement position of the pipeline (1) when the fixed group (31) is used for fixing the pipeline (1);

drilling mechanism (4) are including two fixed boxes (40), two fixed boxes (40) are installed respectively at the horizontal segment and the vertical section of base (2), fixed box (40) are hollow post structure, fixed box (40) are kept away from terminal surface of base (2) and are connected with along its gliding mount pad (41) of axis, mount pad (41) are kept away from terminal surface of fixed box (40) and are installed bull stick (42) of evenly arranging along fixed box (40) circumference, install drill bit (43) on bull stick (42), install rather than concentric spliced pole (44) on fixed box (40), install socket (45) behind spliced pole (44) run through mount pad (41), socket (45) are hollow structure, shutoff ring (46) are installed to the lateral wall of socket (45), the lateral wall of shutoff ring (46) is installed and is supported and fixed block set (47) to go on supporting and direction to bull stick (42).

2. A machine for drilling a metal pipe outside of rubber lined pipe process as defined in claim 1, wherein: fixed group (31) are including sliding connection L type pole (310) at the arc lateral wall that slides seat (30), the vertical section of L type pole (310) is to keeping away from the slope of one side of the vertical section of base (2), the horizontal segment of L type pole (310) is located the arc inboard of sliding seat (30), install on L type pole (310) and be located the dog (311) of sliding seat (30) arc inboard, install arc cassette (312) on L type pole (310), be connected with reset spring (313) of cover on L type pole (310) between sliding seat (30) and arc cassette (312), otic placode (314) are installed to one of them lateral wall of arc cassette (312), sliding connection has down L type strip (315) on otic placode (314), install arc pressure seat (316) on down L type strip (315), arc pressure seat (316) and arc cassette (312) cooperate to fix pipeline (1), install on down L type strip (315) and drive piece (317), be connected with screw rod (318) on otic placode (314) rotation, it has drive screw rod (317) through the mode of driving on the drive assembly (317) of moving on the drive assembly (310) of screw rod (2).

3. A machine for drilling a metal pipe outside of rubber lined pipe process as defined in claim 1, wherein: the positioning group (32) comprises a first fixing frame (320) connected to the horizontal section of the base (2) and a second fixing frame (321) connected to the vertical section of the base (2), wherein the first fixing frame (320) is far away from the end face of the base (2) and provided with a first positioning clamping seat, the first positioning clamping seat is composed of an arc-shaped seat (322) with a right-angle fan-shaped structure and a horizontal section guide plate (323), the horizontal section guide plate (323) is connected with one side, close to the fixed box (40), of the arc-shaped seat (322), the cross section of the horizontal section guide plate (323) and the cross section of the arc-shaped seat (322) are of a type structure, the end face, far away from the base (2), of the second fixing frame (321) is provided with a second positioning clamping seat, the second positioning clamping seat is composed of an arc-shaped bearing plate (324) with a guide plate (325), and the guide plate (325) is connected with one side, close to the fixed box (40), of the arc-shaped bearing plate (324), and the cross section of the guide plate (325) and the arc-shaped bearing plate (324) is of an L-shaped structure.

4. A machine for drilling a metal pipe outside of rubber lined pipe process as defined in claim 1, wherein: the clamping and fixing set (47) comprises bearing bars (470) which are arranged on the side wall of the plugging ring (46) and uniformly distributed along the circumferential direction of the bearing bars, wherein the bearing bars (470) and the rotating rods (42) are arranged in a staggered manner, sliding grooves which are penetrated up and down are formed in the bearing bars (470), clamping plates (471) with inverted L-shaped structures are connected in the sliding grooves in a sliding manner, guide moving grooves (472) are formed in two sides of the sliding grooves, the side wall, close to the fixed box (40), of the guide moving grooves (472) is of an arc-shaped structure which protrudes towards the direction far away from the plugging ring (46), the side wall, far away from the fixed box (40), of the guide moving grooves (472) is provided with a pressing plate (474) through pressing springs (473) which are uniformly distributed, guide blocks (475) which are connected with the guide moving grooves (472) in a sliding manner are arranged on the clamping plates (471), ejector rods (476) are arranged on the guide blocks (475), moving rods (477) are arranged on the side walls of the sliding grooves along the arc-shaped side walls of the guide moving grooves (471), moving rods (477) uniformly distributed along the circumferential direction of the sliding blocks (45), the guide moving rods (477) are arranged in the sliding blocks (479) in the sliding manner, the sliding blocks (479) are arranged in the sliding blocks (479), the clamping pressure plate (471) is provided with a slot matched with the inserted rod (479).

5. A machine for drilling a metal pipe outside of rubber lined pipe process as defined in claim 4, wherein: the sliding assembly comprises a pushing rod (490) connected with the inside of the bearing seat (45), a conical table (491) is arranged on the pushing rod (490), the side wall of the conical table (491) is slidably connected with the end part of the movable rod (477), a connecting bar is arranged on the movable rod (477), the connecting bar is connected with the inner wall of the bearing seat (45) through a tension spring (492), a mounting groove is formed in the fixing box (40), an air cylinder (493) is arranged in the mounting groove, and the pushing rod (490) penetrates through the bearing seat (45) and is connected with the telescopic end of the air cylinder (493) after penetrating through the connecting column (44).

6. A machine for drilling a metal pipe outside of rubber lined pipe process as defined in claim 1, wherein: the middle support group (48) comprises column-shaped rods (480) which are connected to the side wall of the bearing seat (45) and uniformly distributed along the circumferential direction of the column-shaped rods, support collars (481) are installed on the column-shaped rods (480), the rotating rods (42) penetrate into the support collars (481), the support collars (481) are connected with the rotating rods (42) through linear bearings, arc-shaped guide seats (482) which are uniformly distributed along the circumferential direction of the bearing seat (45) are installed on the side wall of the bearing seat, and guide holes (483) concentric with the support collars (481) are formed in the arc-shaped guide seats (482).

7. A machine for drilling a metal pipe outside of rubber lined pipe process as defined in claim 2, wherein: the driving assembly comprises an electric telescopic rod (330) arranged on the horizontal section of the base (2) through a supporting frame, and a Z-shaped hook plate (331) is arranged at the telescopic end of the electric telescopic rod (330).

8. A machine for drilling a metal pipe outside of rubber lined pipe process as defined in claim 1, wherein: one end of the bearing seat (45) far away from the connecting column (44) is of an arc-shaped structure.

9. A machine for drilling a metal pipe outside of rubber lined pipe process as defined in claim 4, wherein: and the clamping and pressing plate (471) is provided with symmetrically arranged supplementary arc plates (494).

10. A machine for drilling a metal pipe outside of rubber lined pipe process as defined in claim 1, wherein: the top of the mounting seat (41) positioned on the horizontal section of the base (2) is of an arc-shaped structure.