CN218135126U - Gang drill machine - Google Patents

Abstract

The application provides and relates to base tube processing technology field, especially relates to a gang drill machine, and it includes: the base pipe support lifting unit is used for movably connecting a base pipe so as to enable the base pipe to be close to or far away from the drill bit mechanism along the first direction, and the first direction is vertical to the ground; the supporting lifting unit keeps the base pipe to ascend at a constant speed at least in the process that the drill bit penetrates through the pipe wall of the base pipe for the first time after contacting the base pipe. The technical problems that the drill bit is easily broken off and the produced sieve tube is poor in quality in the base tube machining process are solved.

Description

Gang drill machine

Technical Field

The application relates to base pipe processing technology field, especially relates to a gang drill machine.

Background

The screen pipe is a steel pipe special for oil and gas well cementing, is used for sealing and isolating oil, gas and water layers, protecting a well wall and preventing blowout or well wall collapse, and is usually obtained after a base pipe is drilled by a gang drill.

When the existing gang drill machine is used for drilling, a drill bit on the upper part is driven by an air cylinder to move longitudinally.

However, the speed of the cylinder driving the drill bit to move is unstable, so that impact is generated on the base tube at the moment of contacting the base tube, and the drill bit bears the reaction force of the base tube and is easily broken; the resistance of the drill bit is reduced when the drill bit is about to drill through the pipe wall of the base pipe, the drill bit can easily penetrate through the pipe wall suddenly to form large flanging burrs, and the flanging burrs are difficult to clean, so that the quality of the produced sieve pipe is poor.

SUMMERY OF THE UTILITY MODEL

The purpose of the embodiment of this application is to provide a gang drill to solve the drill bit and be broken easily in the base pipe course of working, the not good technical problem of screen pipe quality of production.

In order to solve the above technical problem, an embodiment of the present application provides the following technical solutions:

the application provides a gang drill machine, it includes:

the drilling head mechanism comprises at least one drilling head, and the drilling head is fixed on a rack of the gang drill machine;

the supporting and lifting unit and the drill bit mechanism are sequentially arranged along a first direction, the supporting and lifting unit can lift relative to the drill bit mechanism along the first direction, the supporting and lifting unit is used for being movably connected with a base pipe so as to enable the base pipe to be close to or far away from the drill bit mechanism along the first direction, and the first direction is vertical to the ground;

the supporting lifting unit keeps the base pipe to ascend at a constant speed at least in the process that the drill bit penetrates through the pipe wall of the base pipe for the first time after contacting the base pipe.

In some variations of the present application, the foregoing gang drill further includes:

a controller;

the supporting lifting unit comprises at least one lifter which is in signal connection with the controller, and the lifting end of the lifter is controlled by the controller to lift along the first direction.

In some variations of the present application, the gang drill press is further provided with a support portion at a lifting end of the lifter for limiting and maintaining an axial direction of the base pipe perpendicular to the first direction.

In some variations of the present application, a gang drill is provided, wherein the lift end of the elevator is provided with a clamping assembly for clamping and positioning the base pipe about an axial direction of the base pipe to limit movement of the base pipe relative to the lift end of the elevator.

In some variations of the present application, the above-described gang drill machine, wherein the number of the lifters in the supporting lift unit is at least two;

the at least two elevators are arranged at intervals along a second direction, wherein the lifting end of at least one elevator is provided with a supporting part for limiting and keeping the axial direction of the base pipe vertical to the first direction, and the lifting ends of the rest elevators are provided with clamping assemblies for clamping and positioning the base pipe around the axial direction of the base pipe so as to limit the movement of the base pipe relative to the lifting ends of the elevators; the second direction is parallel to the ground.

In some variations of the present application, the support portion includes a support member disposed at a lifting end of the lifter, and the support member is provided with a concave groove at least at a side surface facing the drill mechanism for supporting and limiting the base pipe.

In some variations of the present application, the drilling machine may further include a support rotatably connected to the lifting end of the elevator about a third direction perpendicular to the first direction and perpendicular to the second direction, and the concave groove may be disposed about an axial direction of the support and configured to roll the base pipe.

In some modifications of this application, the aforementioned gang drill machine, wherein the chucking subassembly includes the chuck, the chuck sets up the lift end of lift, the axis direction of chuck is parallel the second direction, is used for cup jointing outer chucking of base pipe or pine take off the base pipe.

In some variations of the present application, the foregoing is a gang drill press, wherein

The clamping assembly further comprises:

a substrate assembly including a moving plate, the substrate assembly being disposed at a lifting end of the lifter, the chuck being disposed on the substrate assembly;

slewing bearing, slewing bearing's axis direction is parallel the second direction, slewing bearing's outer lane with movable plate fixed connection, slewing bearing's inner circle with chuck fixed connection is used for rotating the chuck drives the parent tube rotates, slewing bearing's axis direction with the axis direction of chuck is on same straight line.

In some variations of the present application, the foregoing gang drill is a gang drill, wherein the base plate assembly further comprises:

the base plate and the moving plate are arranged at intervals along the first direction, the arrangement directions of the moving plate and the base plate are both parallel to the second direction, and the base plate is fixed at the lifting end of the lifter;

the at least two sliding rails are arranged on the substrate at intervals, and the arrangement direction of the sliding rails is parallel to the second direction;

the base tube is provided with a base tube, at least two sliding blocks, and the base tube is provided with a first slide rail and a second slide rail which are respectively connected with the base tube.

Compared with the prior art, the application provides a pair of gang drill machine, the elevating movement through supporting the lift unit has realized the elevating movement of parent tube, the lift of drill bit has been replaced with the lift of parent tube, and support the lift unit and keep at the uniform velocity ascending at the whole in-process of drill bit contact and the pipe wall that passes the parent tube, make the drill bit descend at the uniform velocity for the parent tube, avoided the drill bit to produce the impact to the parent tube in the twinkling of an eye of contacting the parent tube, the problem of the easy quilt rupture of drill bit in the parent tube course of working has been solved, drilling process is steady, the production of turn-ups burr has been avoided, drilling effect is better, the screen pipe quality of production is better.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present application are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:

FIG. 1 schematically illustrates a first structural diagram of a gang drill according to an embodiment of the present disclosure;

fig. 2 schematically illustrates a second structural diagram of a gang drilling machine provided in the embodiment of the present application;

FIG. 3 schematically illustrates a third structural diagram of a gang drill machine provided by an embodiment of the present application;

FIG. 4 schematically illustrates a fourth structure of a gang drill machine according to an embodiment of the present disclosure;

FIG. 5 schematically illustrates a fifth structural diagram of a gang drill press according to an embodiment of the present disclosure;

fig. 6 schematically illustrates a side view of an elevator provided with a support portion of a gang drill according to an embodiment of the present disclosure;

FIG. 7 schematically illustrates a side view of an elevator provided with a clamping assembly of a gang drill provided by an embodiment of the present application;

fig. 8 schematically illustrates a structural block diagram between a controller and an elevator in a gang drill machine according to an embodiment of the present disclosure;

the reference numbers illustrate: the drill bit comprises a drill bit mechanism 1, a drill bit 2, a base pipe 3, a supporting lifting unit 4, a base 5, a lifter 6, a supporting part 7, a base plate assembly 8, a clamping assembly 9, a concave groove 10, a supporting part 11, a speed reducing motor 12, a gear 13, a rack 14, a sliding rod 15, a sliding sleeve 16, a base plate 17, a sliding rail 18, a sliding block 19, a moving plate 20, a vertical plate 21, a movable clamping jaw 22, a clamping disc 23, a rotary bearing 24, a stepping motor 25, a controller 26, a first direction a, a second direction b and a third direction c.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.

Referring to fig. 1-5, the present embodiment discloses a gang drill machine, which includes: a drill bit mechanism 1 and a supporting lifting unit 4 which are arranged in sequence along a first direction a,

the drill bit mechanism 1 comprises at least one drill bit 2, the drill bit 2 is fixed on a frame (not shown) of a gang drill machine, the supporting lifting unit 4 can lift and lower along the first direction a relative to the drill bit mechanism 1, the supporting lifting unit 4 is used for movably connecting a base pipe 3 so as to enable the base pipe 3 to approach or depart from the drill bit mechanism 1 along the first direction a, and the first direction a is vertical to the ground;

wherein, the supporting lifting unit 4 keeps the base pipe 3 ascending at a constant speed at least in the process that the drill bit 2 passes through the pipe wall of the base pipe 3 for the first time after contacting the base pipe 3.

Specifically, in order to solve the problem that the sieve pipe quality is not good that current gang drill machine's drill bit 2 is broken, is produced easily in 3 course of working of parent tube, disclosed a gang drill machine in this embodiment, it is through inciting somebody to action drill bit 2 is fixed in the frame of drill bit mechanism 1, only rotates not go up and down in drilling process, utilizes support lifting unit 4 and drive along first direction a lift parent tube 3 goes up and down, replaced drill bit 2 goes up and down to support lifting unit 4 to pass 3 pipe walls of parent tube in-process at the uniform velocity of parent tube 3 after 2 contact parent tubes of drill bit 3 for the first time and rise, avoided drill bit 2 to produce the impact to parent tube 3 in the twinkling of an eye that contacts parent tube 3, drill bit 2 can not broken, drilling process is steady, can not produce the turn-ups burr, and drilling effect is better, and the sieve pipe quality of production is better.

The drill 2 is used for drilling a through hole or a blind hole in a solid material, and can be a tool for reaming the existing hole, such as a twist drill, a flat drill, a center drill and the like, and can be obtained by purchasing in the prior art. Drill bit 2 among the drill bit mechanism 1 is fixed on the frame (not shown in the figure) of gang drill, is connected with the motor, for the rotation of drill bit 2 provides power, and in addition, drill bit 2 can be changed according to the demand of the size of punching.

The supporting lifting unit 4 can be fixed on the ground or a working platform to drive the base pipe 3 to perform lifting motion, after the drill bit 2 is started to rotate, the supporting lifting unit 4 performs lifting motion to drive the base pipe 3 to perform lifting motion, the base pipe 3 is continuously close to the drill bit 2, and the supporting lifting unit 4 uniformly ascends at least in the process that the drill bit 2 passes through the base pipe 3 for the first time to finish the operation of drilling a row of holes; for example: the drill bit 2 passes the in-process of parent tube 3 for the second time, supports lift unit 4 and can keep at the uniform velocity rising equally, accomplishes the operation of punching a offside second row hole, parent tube 3 is punched the completion back, support lift unit 4 can drive parent tube 3 is descending motion, accomplishes one time operation of punching, and it can be understood of course that, in actual operation, can select support lift unit 4 and punch row number (one or two rows) after accomplishing a lift action, support lift unit 4's lift working stroke according to the selection of demand.

During the whole drilling process, the process that the drill bit 2 needs to pass through the pipe wall of the base pipe 3 once or twice after contacting the base pipe 3 is a constant speed v1, the size of the constant speed v1 is selected according to the size of the drill bit 2 within the range specified by the relevant standard, such as the mechanical processing manual, and other processes: the speed of the substrate tube 3 driven by the supporting and lifting unit 4 during the ascending process without the substrate tube 3 contacting the drill bit 2 and the descending process of the substrate tube 3 driven by the supporting and lifting unit 4 can be constant or variable, for example: the minimum speed in the processes is v2, v2 is greater than or equal to v1, and preferably v2 is greater than v1, so that the working efficiency of the gang drill machine can be improved.

The base pipe 3 is of a hollow cylindrical structure, is made of steel, and is used for producing a sieve pipe after the drill bit 2 is drilled, so that oil, gas and water layers are sealed and isolated, the well wall is protected, well blowout or well wall collapse is prevented, the base pipe 3 is driven by the supporting lifting unit 4 to perform lifting motion, and the motion speed of the base pipe 3 is consistent with that of the supporting lifting unit 4.

According to the aforesaid row, the gang drill that this application provided, elevating movement through supporting elevating unit 4 has realized the elevating movement of parent tube 3, the lift with parent tube 3 has replaced the lift of drill bit 2, and support elevating unit 4 and keep ascending at the uniform velocity at the whole in-process of the pipe wall that 2 contacts of drill bit and pass parent tube 3, make drill bit 2 descend at the uniform velocity for parent tube 3, avoided drill bit 2 to produce the impact to parent tube 3 in the twinkling of an eye that contacts parent tube 3, the problem of 2 easy quilt rupture of drill bit in 3 course of working of parent tube has been solved, drilling process is steady, the production of turn-ups burr has been avoided, drilling effect is better, the screen pipe quality of production is better.

The term "and/or" herein is merely an associative relationship describing an associated object, meaning that three relationships may exist, e.g., a and/or B, specifically understood as: both a and B may be included, a may be present alone, or B may be present alone, and any of the three cases can be provided.

In some embodiments, referring to fig. 8, the gang drill press provided in this embodiment further includes, in a specific implementation: a controller 26; the supporting lifting unit 4 comprises at least one lifter 6, the lifter 6 is in signal connection with the controller 26, and the lifting end of the lifter 6 is controlled by the controller 26 to lift along the first direction a.

The controller 26 includes a program counter, a command register, a command decoder, a timing generator and an operation controller, and controls the starting, speed-adjusting, braking and reversing devices of the elevators 6 by changing the wiring of the main circuit or the control circuit and changing the resistance value in the circuit according to a predetermined sequence, or controls a plurality of elevators 6 to ascend and descend synchronously by the controller 26 when the number of the elevators 6 is multiple, so as to keep the base pipes 3 horizontal.

The base pipe 3 is supported by the lifting unit 4, the lifting unit 6 is a component for driving the base pipe 3 to lift, can be manually operated to lift or can be electrically controlled to lift, and can be a spiral lifting machine and the like, the spiral lifting machine is the prior art, the structure and the working principle of the spiral lifting machine are well known by persons in the field, and redundant description is omitted here, the lifting machine 6 is fixed on the base 5 with the horizontal working surface, and the base 5 bears the weight of a machine and the load, so that the stable and normal operation of the lifting unit 4 is guaranteed.

In this embodiment, the number of the elevators 6 may be adjusted according to the need, for example, one elevator shown in fig. 1 and 3, two elevators shown in fig. 2 and 4, three elevators shown in fig. 5, or even more, referring to fig. 1 and 3, when only one elevator 6 is provided, it is arranged centrally below the substrate tube 3; referring to fig. 2 and 4, when two elevators 6 are provided, they are spaced below the substrate tube 3 in a second direction b; referring to fig. 5, when three elevators 6 are provided, they are spaced below the base pipe 3 in the second direction b, which is parallel to the ground.

Specifically, in order to realize precise control of the lifting speed of the lifter 6 in the supporting lifting unit 4, the controller 26 is arranged on the gang drill machine to be in signal connection with the lifter 6, wherein the signal connection can be wired or wireless; the controller 26 transmits a signal instruction to the lifter 6 to control the lifting speed of the lifter 6 in the different working processes, so that the punching quality can be ensured while the working efficiency is improved.

Referring to fig. 1 and 2, in some embodiments, the present embodiment provides a gang drill machine, in a specific implementation, a lifting end of the lifter 6 is provided with a support portion 7 for limiting and maintaining an axial direction of the base pipe 3 perpendicular to the first direction a.

The supporting part 7 is a rigid part and is used for supporting the base pipe 3 and limiting the base pipe 3.

Specifically, in order to ensure that the axial direction of the substrate tube 3 is perpendicular to the first direction a and prevent the substrate tube 3 from shifting or moving, a support portion 7 is disposed at the lifting end of the elevator 6, and when there are a plurality of elevators 6, at least one lifting end of the elevator 6 is disposed with the support portion 7, for example: as shown in fig. 1, when there is only one elevator 6, the elevator 6 is disposed centrally below the base pipe 3, and the elevating end of the elevator 6 is provided with the support 7; as shown in fig. 2, when there are two elevators, two elevators 6 are spaced below the substrate tube 3 in the second direction b, and only one of the elevators 6 has the support 7 at its elevator end, or both elevators 6 have the support 7 at their elevator ends.

Referring to fig. 2, 3 and 4, in some embodiments, the present embodiment provides a gang drill machine, in which in specific implementations, the hoisting end of the hoist 6 is provided with a clamping assembly 9 for clamping and positioning the base pipe 3 around the axial direction of the base pipe 3 to limit the movement of the base pipe 3 relative to the hoisting end of the hoist 6.

The clamping assembly 9 is a rigid member for clamping and positioning the base pipe 3, and plays a role in limiting relative movement of the base pipe 3.

Specifically, through chucking subassembly 9 around the axial chucking of parent tube 3, the realization is right the chucking location of parent tube 3 to keep parent tube 3 for support lift unit 4 is static, relative motion can not take place, avoids drilling in-process parent tube 3 to take place the skew. According to actual production needs, the lifting end of the lifter 6 can be only provided with the supporting part 7, can be only provided with the clamping assembly 9, and also can be provided with both the supporting part 7 and the clamping assembly 9. When there are a plurality of elevators 6, at least one of the elevator ends of said elevators 6 is provided with said gripping member 9, for example: as shown in fig. 1 and 3, when only one elevator 6 is provided, the elevator 6 is provided with only the clamping assembly 9 at the elevator end, and the elevator 6 can be arranged below the base pipe 3 in the middle to clamp the clamping assembly 9 at the middle end of the base pipe 3, or can be arranged below one end of the base pipe 3 to clamp the clamping assembly 9 at the end of the base pipe 3; as shown in fig. 4, when there are two elevators 6, two elevators 6 are disposed at intervals along the second direction b under the substrate tube 3, one of the elevators 6 is disposed under one end of the substrate tube 3, the elevating end of the elevator 6 is provided with the clamping assembly 9 to clamp the end of the substrate tube 3, the remaining one of the elevators 6 may be disposed under the substrate tube 3 to directly support the substrate tube 3 at the elevating end thereof, or the remaining one of the elevators 6 is disposed under the substrate tube 3 to provide the supporting portion 7 at the elevating end thereof to support and limit the substrate tube 3, or the elevating end of the remaining one of the elevators 6 is provided with the clamping assembly 9, and the elevator 6 is disposed under the other end of the substrate tube 3 to clamp the other end of the substrate tube 3 at the clamping assembly 9 thereof.

Referring to fig. 5, in this embodiment, in a specific implementation, the number of the lifters 6 in the supporting lifting unit 4 is at least two;

at least two lifters 6 are arranged at intervals along a second direction b, wherein the lifting end of at least one lifter 6 is provided with a supporting part 7 for limiting and keeping the axial direction of the base tube 3 perpendicular to the first direction a, and the lifting end of the rest lifter 6 is provided with a clamping assembly 9 for clamping and positioning the base tube 3 around the axial direction of the base tube 3 so as to limit the movement of the base tube 3 relative to the lifting end of the lifter 6; the second direction b is parallel to the ground.

The structure and the working principle of the supporting part 7 and the clamping assembly 9 are the same as those described above, and are not described herein again.

In order to limit and maintain the axial direction of the base tube 3 perpendicular to the first direction a and to limit the movement of the base tube 3 relative to the lifting end of the lifter 6, the lifter 6 of one or more of the two or more lifters 6 is provided with the support 7, and the lifter 6 of one or more lifters is provided with the clamping assembly 9.

Specifically, in order to guarantee the ascending stability of 3 axial directions of parent tube and uniformity to beat and to have done and can the electric drive parent tube 3 after a side opening and rotate, be convenient for punch to other sides, in this embodiment, for example: as shown in fig. 5, three elevators 6 are disposed below the drill bit 2, the three elevators 6 are disposed at intervals along the second direction b, one of the elevators 6 is disposed below one end of the substrate tube 3, the elevator end of the elevator 6 is provided with the clamping assembly 9 to clamp the end of the substrate tube 3, the other elevator 6 is disposed below the substrate tube 3, the elevator end of the elevator 6 is provided with the support portion 7 to support and position the substrate tube 3, the remaining one elevator 6 may be disposed below the substrate tube 3 to directly support the substrate tube 3 at the elevator end, or the remaining one elevator 6 is disposed below the substrate tube 3 to support and position the substrate tube 3 at the elevator end, the remaining one elevator 6 is provided with the clamping assembly 9 at the elevator end, and the elevator 6 is disposed below the other end of the substrate tube 3 to clamp the other end of the substrate tube 3 at the clamping assembly 9. The method for levelling the elevator 6 provided with the clamping assembly 9 and the support part 7 can refer to the leveling method of the existing spiral elevator and is not described here.

Referring to fig. 6, in some embodiments, the present embodiment provides a gang drill, in which in a specific implementation, the supporting portion 7 includes a supporting member 11, the supporting member 11 is disposed at a lifting end of the lifter 6, and a concave groove 10 is disposed on the supporting member 11 at least at a side surface facing the drill mechanism 1, for bearing and limiting the base pipe 3.

The middle of the concave groove 10 is concave towards the center of the support member 11, two sides of the concave groove 10 are transition sections formed by connecting the surface of the support member 11 and the middle of the concave groove 10, and the transition sections can be flat surfaces or curved surfaces to adapt to support the base pipes 3 with different sizes, so that the size of the concave groove 10 is not limited.

Specifically, the support member 11 is provided with the concave groove 10, so that the base pipe 3 is at least partially sunk into the concave groove 10, the base pipe 3 is supported, the base pipe 3 is further limited, and the drill bit 2 can be aligned to the position to be processed of the base pipe 3 in the drilling process, so that the base pipe 3 is prevented from shifting or moving.

In some embodiments, as shown in fig. 6, in a specific implementation, the support 11 is rotatably connected to the lifting end of the lifter 6 around a third direction c, the third direction c is perpendicular to the first direction a and perpendicular to the second direction b, and the concave groove 10 is disposed around the axial direction of the support 11 and is used for rolling and conveying the base pipe 3.

Specifically, support piece 11 rotate around third direction c connect in lift 6's lift end has realized support piece 11's rotation, through at support piece 11 around its axial direction setting the depressed groove 10, it is right base pipe 3 carries on spacing basis, carry base pipe 3 extremely the material loading process of 2 below drill bits to and the unloading process of taking out base pipe 3 after drilling work is accomplished, base pipe 3 is relative support piece 11 is gone up to rotate, makes the unloading process more laborsaving.

Wherein, the supporting member 11 with the concave groove 10 can be selected from a V-shaped wheel or a U-shaped pulley.

Referring to fig. 3, 4 and 7, in some embodiments, the gang drill machine provided in this embodiment includes a chuck 23, where the chuck 23 is disposed at a lifting end of the lifter 6, and an axial direction of the chuck 23 is parallel to the second direction b, and is configured to clamp or release the base pipe 3 by sleeving on the base pipe 3.

The base tube 3 is clamped or loosened by radial movement of the movable jaws 22 through the base tube 3 of any size, wherein the movable jaws 22 are uniformly distributed on the chuck 23, the center of the chuck 23 is provided with a through hole, the chuck 23 can be divided into two-jaw chucks, three-jaw chucks and the like from the number of the movable jaws 22, and the two-jaw chucks, the three-jaw chucks and the like can be obtained by purchasing in the prior art.

Specifically, set up chuck 23 can realize right the outer chucking of parent tube 3 or pine takes off, during the chucking, guarantees the drilling in-process, parent tube 3 can not take place to deflect, when the pine takes off, conveniently takes out parent tube 3 is changed.

Referring to fig. 3, 4 and 7, in some embodiments, the present embodiment provides a gang drill machine, and in a specific implementation, the clamping assembly 9 further includes:

a substrate assembly 8, the substrate assembly 8 comprising a moving plate 20, the substrate assembly 8 being disposed at a lifting end of the lifter 6, the chuck 23 being disposed on the substrate assembly 8;

slewing bearing 24, slewing bearing 24's axis direction is parallel to second direction b, slewing bearing 24's outer lane with moving plate 20 fixed connection, slewing bearing 24's inner circle with chuck 23 fixed connection is used for rotating chuck 23 drives base tube 3 rotates, slewing bearing 24's axis direction with the axis direction of chuck 23 is on same straight line.

The base plate assembly 8 may further include a vertical plate 21 fixed on the moving plate 20 along the first direction a, and the moving plate 20 is a rigid member for supporting the chuck 23 and the rotary support 24.

The slewing bearing 24 is generally composed of an inner ring, an outer ring and rolling bodies, and is an important transmission component necessary for a machine which needs to perform relative slewing motion between two objects and simultaneously bear axial force, radial force and tilting moment. In operation, the outer ring of the rotary bearing 24 may be fixed on the moving plate 20, or may be fixed on the vertical plate 21, so as to ensure that the axial direction of the rotary bearing 24 is parallel to the second direction b, the inner ring of the rotary bearing 24 is fixed with the chuck 23, and the inner ring of the rotary bearing is connected with the stepping motor 25, so as to drive the inner ring of the rotary bearing 24 to drive the chuck 23 to rotate, thereby realizing the rotation of the substrate tube 3. The specific usage is known to the skilled person and will not be described herein, and can be obtained by purchasing.

Concretely, through being provided with slewing bearing 24 by step motor 25 driven to make slewing bearing 24's inner circle rotate and then drive chuck 23 rotates, thereby realizes the rotation of parent tube 3, after parent tube 3 has been beaten a side opening, rotatory to the opposite side is waited to process the face and is punched, improves efficiency and convenience of punching.

As shown in fig. 7, in some embodiments, the gang drill provided by this embodiment further includes, in a specific implementation, the base plate assembly 8:

the base plate 17 and the moving plate 20 are arranged at intervals along the first direction a, the arrangement directions of the moving plate 20 and the base plate 17 are both parallel to the second direction b, and the base plate 17 is fixed at the lifting end of the lifter 6;

at least two slide rails 18, wherein the at least two slide rails 18 are arranged on the substrate 17 at intervals, and the arrangement direction of the slide rails 18 is parallel to the second direction b;

the sliding blocks 19 are fixedly connected with the moving plate 20, and the sliding blocks 19 are in one-to-one sliding connection with the sliding rails 18 and used for driving the moving plate 20 to enable the base tube 17 to reciprocate along the second direction b.

The base plate 17 is provided with a rack 14, the moving plate 20 is provided with a gear 13 engaged with the rack 14, the setting direction of the rack 14 is the same as the setting direction of the slide rail 18, the moving plate 20 is further provided with a speed reducing motor 12 on the side close to the rack 14, the output end of the speed reducing motor 12 is connected with the gear 13, the moving plate 20 drives the gear 13 to rotate on the rack 14 engaged with the moving plate 20 through the speed reducing motor 12, so that the moving plate 20 moves along the arrangement direction of the rack 14 under the auxiliary cooperation of the slide rail 18 and the slider 19, and the base tube 17 is driven to reciprocate along the second direction b.

The slider 19 is fixed on the lower surface or the side surface of the moving plate 20, and the fixed position is selected according to the size of the moving plate 20 and the distance between the slide rails 18.

Specifically, the sliding rail 18 and the sliding block 19 which are arranged between the moving plate 20 and the base plate 17 and are in sliding fit with each other realize the relative sliding of the moving plate 20 relative to the base plate 17, so that the base tube 3 is clamped by the chuck 23, the base tube 3 is clamped, the position of the base tube 3 is adjusted after the base tube 3 is clamped, the efficiency of preparation work before punching is improved, and further the working efficiency and the punching accuracy are improved.

In addition, the lifter 6 is arranged on the base 5, at least one sliding rod 15 is further arranged on the lower surface of the base plate 17, sliding sleeves 16 with the same number as the sliding rods 15 are embedded in the base 5, the sliding rods 15 penetrate through the corresponding sliding sleeves 16 and are connected in a sliding mode, and the sliding rods 15 are parallel to the first direction a.

Specifically, the sliding rod 15 and the sliding sleeve 16 are in sliding fit with each other, and the elevator 6 drives the clamping assembly 9 to perform lifting movement, so that an auxiliary supporting effect is achieved, and the stability of the lifting movement is ensured.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A gang drill machine, comprising:

the drilling head mechanism comprises at least one drilling head, and the drilling head is fixed on a rack of the gang drill machine;

the supporting lifting unit and the drill bit mechanism are sequentially arranged along a first direction, the supporting lifting unit can lift relative to the drill bit mechanism along the first direction, the supporting lifting unit is used for movably connecting a base pipe so as to enable the base pipe to be close to or far away from the drill bit mechanism along the first direction, and the first direction is vertical to the ground;

the supporting lifting unit keeps the base pipe to ascend at a constant speed at least in the process that the drill bit penetrates through the pipe wall of the base pipe for the first time after contacting the base pipe.

2. The gang drill press of claim 1, further comprising:

a controller;

the supporting lifting unit comprises at least one lifter, the lifter is in signal connection with the controller, and the lifting end of the lifter is controlled by the controller to lift along the first direction.

3. The gang drill press of claim 2,

the lifting end of the lifter is provided with a supporting part for limiting and keeping the axial direction of the base tube vertical to the first direction.

4. The gang drill of claim 2 or 3,

the lifting end of the lifter is provided with a clamping assembly for clamping and positioning the base pipe around the axial direction of the base pipe so as to limit the movement of the base pipe relative to the lifting end of the lifter.

5. The gang drill of claim 2, wherein the drill further comprises a drill bit,

the number of the lifters in the supporting lifting unit is at least two;

the at least two elevators are arranged at intervals along a second direction, wherein the lifting end of at least one elevator is provided with a supporting part used for limiting and keeping the axial direction of the base pipe vertical to the first direction, and the lifting ends of the rest elevators are provided with clamping assemblies used for clamping and positioning the base pipe around the axial direction of the base pipe so as to limit the movement of the base pipe relative to the lifting ends of the elevators;

the second direction is parallel to the ground.

6. The gang drill press of claim 5,

the supporting part comprises a supporting piece, the supporting piece is arranged at the lifting end of the lifter, and a concave groove is formed in the position, facing the drill bit mechanism, of one side surface of the supporting piece and used for supporting and limiting the base pipe.

7. The gang drill of claim 6, wherein the drill further comprises a drill bit,

the supporting piece rotates around a third direction and is connected to the lifting end of the lifter, the third direction is perpendicular to the first direction and perpendicular to the second direction, and the concave groove is arranged around the axial direction of the supporting piece and is used for conveying the base pipe in a rolling mode.

8. The gang drill of claim 5, wherein the drill further comprises a drill bit,

the chucking subassembly includes the chuck, the chuck sets up the lift end of lift, the axis direction of chuck is parallel the second direction is used for cup jointing the outer chucking of base pipe or pine take off the base pipe.

9. The gang drill press of claim 8,

the clamping assembly further comprises:

a substrate assembly including a moving plate, the substrate assembly disposed at a lifting end of the lifter, the chuck disposed on the substrate assembly;

slewing bearing, slewing bearing's axis direction is parallel the second direction, slewing bearing's outer lane with movable plate fixed connection, slewing bearing's inner circle with chuck fixed connection is used for rotating the chuck drives the parent tube rotates, slewing bearing's axis direction with the axis direction of chuck is on same straight line.

10. The gang drill press of claim 9,

the substrate assembly further includes:

the base plate and the moving plate are arranged at intervals along the first direction, the arrangement directions of the moving plate and the base plate are both parallel to the second direction, and the base plate is fixed at the lifting end of the lifter;

the at least two sliding rails are arranged on the substrate at intervals, and the arrangement direction of the sliding rails is parallel to the second direction;

the sliding blocks are fixedly connected with the moving plate, and the sliding blocks are in sliding connection with the sliding rails in one-to-one correspondence and are used for driving the moving plate to enable the base tube to reciprocate along the second direction.

Images