KR101647645B1 - Multidirectional drilling method at once - Google Patents

Multidirectional drilling method at once Download PDF

Info

Publication number
KR101647645B1
KR101647645B1 KR1020150158479A KR20150158479A KR101647645B1 KR 101647645 B1 KR101647645 B1 KR 101647645B1 KR 1020150158479 A KR1020150158479 A KR 1020150158479A KR 20150158479 A KR20150158479 A KR 20150158479A KR 101647645 B1 KR101647645 B1 KR 101647645B1
Authority
KR
South Korea
Prior art keywords
drilling
shaped
drilling unit
elbow
rod
Prior art date
Application number
KR1020150158479A
Other languages
Korean (ko)
Inventor
박영욱
Original Assignee
(주)티에프텍
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)티에프텍 filed Critical (주)티에프텍
Priority to KR1020150158479A priority Critical patent/KR101647645B1/en
Application granted granted Critical
Publication of KR101647645B1 publication Critical patent/KR101647645B1/en

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B39/00General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
    • B23B39/16Drilling machines with a plurality of working-spindles; Drilling automatons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B39/00General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
    • B23B39/16Drilling machines with a plurality of working-spindles; Drilling automatons
    • B23B39/168Drilling machines with a plurality of working-spindles; Drilling automatons with the work spindles being oblique to each other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P13/00Making metal objects by operations essentially involving machining but not covered by a single other subclass
    • B23P13/02Making metal objects by operations essentially involving machining but not covered by a single other subclass in which only the machining operations are important
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P17/00Metal-working operations, not covered by a single other subclass or another group in this subclass
    • B23P17/02Single metal-working processes; Machines or apparatus therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L43/00Bends; Siphons
    • F16L43/001Bends; Siphons made of metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2215/00Details of workpieces
    • B23B2215/72Tubes, pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drilling And Boring (AREA)

Abstract

The present invention relates to a multidirectional drilling method to convert the direction of a pipe, to drill on a semi-finished product made by hot forging to stand a high pressure, and to manufacture an elbow-type pipe or a T-shaped pipe, and more specifically, to a multidirectional drilling method to simultaneously perform drilling on a surface to be processed of a T-shaped or elbow-type rod object by a drilling unit installed on three surfaces of the T-shaped or elbow-type rod object, to form an internal diameter to a certain depth, to let the drilling unit installed on the sides stop the processing when the drilling unit installed in the front continues to perform processing, to let the drilling unit installed on the sides resume the processing when the processing of the drilling unit installed in the front is completed or to let the drilling unit installed in the front stop the processing when the drilling unit installed on the sides continues to perform the processing, and to let the drilling unit installed in the front resume the processing when the processing by the drilling unit installed on the sides is completed. Therefore, the multidirectional drilling method of the present invention is able to drill on a semi-finished product made by hot forging, to produce products of precise and uniform quality, to simultaneously process two elbow-type pipes in a process, and to improve efficiency and productivity of work.

Description

[0001] Multidirectional drilling method at once [

The present invention relates to a multi-directional simultaneous drilling method, and more particularly to an elbow-type pipe or a tee-shape pipe by drilling a semi-finished product manufactured by a hot forging to endure high pressure for the purpose of changing the direction of a pipe Direction simultaneous drilling method.

A pipe used for transferring a liquid or a fluid is usually a tube having a diameter of 15 mm or more and a diameter of 400 mm or more as described in the background of Patent Registration No. 10-1154598. Pipes for transporting fluids or liquids are used by connecting several pipes in the longitudinal direction. In the process of connecting pipes, it is necessary to bend into "ㅡ" or "ㄴ" or connect with "T" .

[0003] As a related art, in Patent Publication No. 10-1154598 (Tie-type pipe connecting pipe and manufacturing method), the pipe is cut to a predetermined size and then a first connection And the outer circumferential surface of the hole of the first connection pipe is softened by heating to 120 ° C to 130 ° C using a separate heating means, the cover mold is made to correspond to the outer surface of the hole outer circumferential surface, and then, Shaped protruding connection portion, and the one end of the second connection tube cut in a predetermined standard is inserted in the orthogonal direction so that the inner connection end is thermally fused or adhered with an adhesive to form a "T Shaped pipe connector. In the present invention constructed as described above, since the protruding connector is formed in the middle of the first connector tube when the "T" pipe connector tube is manufactured, And a method of manufacturing the T-type pipe connecting pipe and the method of manufacturing the T-type pipe connecting the connecting pipe and the second connecting pipe so as to have a contact area, a contact property, a bearing capacity and a rigidity.

As another conventional technique, the registered patent publication No. 10-1431599 (tool for manufacturing a pipe, a pipe and a tool for manufacturing a pipe) includes an outer surface 10 and an inner surface 12, (8); And an inner coating (14) applied to the inner surface (12) of the base body. The inner coating (14) comprises a thermoplastic material or poly

Amide and said pipe can be used for the transport of drinking water, and (6) said process comprises the steps of: (a) removing from said inner surface (22) of said base body (8) ) To obtain a partially drilled inner surface (26), the removal of the rough portions being performed by partially drilling the inner surface (22) where the process has not been performed; (b) hammering the drilled inner surface (26) to at least partially remove the oxide layer to obtain a hammered inner surface (12); And (c) applying an inner coating (14) to the hammered inner surface (12), wherein the coating comprises a thermoplastic material based on polyolefines or polyamides A method of manufacturing a pipe is described.

However, when manufacturing a T-shaped pipe or an elbow pipe using the above-described conventional apparatus, it is necessary to drill holes one at a time, so that it takes a lot of work time to limit the amount of production, There is a problem that the efficiency of the work is lowered.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above problems, and it is an object of the present invention to provide a multi-directional simultaneous drilling machine that not only produces precise and uniform quality products, but also simultaneously processes two elbow pipes at once to improve work efficiency and productivity .

The simultaneous multi-directional drilling method of the present invention is characterized in that a drilling process is simultaneously performed on a machined surface of a T-shaped or elbow-shaped rod-shaped workpiece by a drilling portion provided on three surfaces of a T-shaped or elbow-shaped rod-shaped workpiece to form an inner diameter to a certain depth, When the machining operation is continued, the machining operation of the drilling portion installed on the left and right sides is stopped, and when the machining operation of the drilling portion installed on the front side is completed, the drilling portion provided on the left and right sides resumes the machining operation, When the machining operation of the negative portion continues, the drilling portion installed in the front stops the machining operation. When the machining operation of the drilling portion installed in the left and right sides is completed, the drilling portion installed in the front is resumed.

Accordingly, the multi-directional simultaneous drilling method of the present invention not only produces precise and uniform quality products by drilling the hot forged semi-finished products, but also simultaneously processes two elbow pipes in one process to improve work efficiency and productivity There is a remarkable effect.

1 is a plan view of a multi-directional simultaneous machining drilling machine of the present invention.
2 is a front view of a multi-directional simultaneous machining drilling machine of the present invention.
3 is a side view of a multi-directional simultaneous machining drilling machine of the present invention.
Figure 4 is a front view of the multi-directional simultaneous machining drilling machine of the present invention.
5 is an enlarged photograph of the processing bed of the present invention.
6 is a photograph of the clamp part of the present invention.
7 is an enlarged view of a seating block coupled to the top surface of the processing bed of the present invention.
8 is a photograph of the cover of the clamp part of the present invention.
9 is a planar schematic view of a processing bed and a seating block according to another embodiment of the present invention multi-directional simultaneous machining drilling machine.
10 is a front schematic view of a machining bed and a seating block according to another embodiment of the present invention multi-directional simultaneous machining drilling machine.

The simultaneous multi-directional drilling method of the present invention is characterized in that drilling is simultaneously performed on a machined surface of a T-shaped or elbow-shaped rod-like workpiece by a drilling unit 140 installed on three surfaces of a T-shaped or elbow-shaped rod- When the machining operation of the installed drilling unit 140 is continued, the machining operation of the drilling unit 140 installed on the left and right sides is stopped. When the machining operation of the drilling unit 140 installed on the front side is completed, Wherein the installed drilling unit (140) resumes the machining operation, thereby placing the pair of T-shaped or elbow-shaped rod-shaped workpieces on the processing bed (120); A second step of fixing a T-shaped or elbow type rod-shaped workpiece seated on the processing bed 200 to the clamping unit 130; (B) contacting all the drilling portions 140 to the machined surface of the T-shaped or elbow-shaped bar-shaped workpiece placed on the processing bed 200; (B) drilling the entire drilling portion 140 in contact with the machined surface of the bar-shaped workpiece to a predetermined depth; When the drilling unit 140 installed at the front of the drilling unit 140 continues to be machined so that the drilling unit 140 does not collide with each other as the drilling unit 140 proceeds, the drilling unit 140 installed on the left and right sides stops the machining operation Or when the drilling unit 140 installed on the left and right sides continues the machining operation, the drilling unit 140 installed in the front is stopped in the fifth step of forming the inner diameter only in one direction by stopping the machining operation; In step 5, when drilling of the inner diameter is completed in one direction, the drilling unit 140 proceeds to step 6; When the backward drilling unit 140 passes the intersection point of the drilling unit 140 that is waiting, the drilling unit 140, which is in the standby state, resumes drilling operation 7; And a process for producing a T-type or an elbow type steel pipe.

Further, the drilling process is simultaneously performed on the machined surface of the T-shaped or elbow type rod-shaped workpiece by the drilling unit 140 provided on the three surfaces of the T-shaped or elbow type rod-like workpiece to form an inner diameter to a certain depth, The machining operation of the drilling unit 140 installed on the front side is stopped and when the drilling unit 140 installed on the left and right side is completed, ) Is characterized in that the machining operation is resumed.

When machining a T-shaped rod-shaped workpiece placed on the processing bed 120 in step 4, the drilling unit 140 installed on the front side waits for drilling the inner diameter of the rod-shaped workpiece, 140 is characterized in that drilling continues to form the inner diameter of the rod-shaped workpiece.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a method for simultaneous multi-directional drilling of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a plan view of a multi-directional simultaneous machining drilling machine of the present invention, FIG. 2 is a front view of the multi-directional simultaneous machining drilling machine of the present invention, Fig. 6 is a photograph of the clamp part of the present invention; Fig. 7 is a side view of a mounting block coupled to the upper surface of the processing bed of the present invention; Fig. 8 is a cover photograph of the clamp part of the present invention.

The multi-directional simultaneous machining drilling machine 100 used in the present invention comprises a work platform 110, a support frame 111 for supporting the work platform 110, a bar-like workpiece mounted on the upper surface of the work platform 110, A clamping part 130 for clamping and fixing a tie or elbow type rod-shaped workpiece seated on the processing bed 120, and a clamping part 130 for clamping and fixing the rod-shaped workpiece fixed to the processing bed 120 And a drilling unit (140).

The drilling unit 140 includes a left drill unit 141 disposed on the left side of the processing bed 120, a right drill unit 142 disposed on the right side, and a front drill unit 143 disposed on the front side Consists of.

The left and right drill sections 141 and 142 and the front drill section 143 are respectively connected to a main body 40, a drive motor 41 coupled to the main body 40, A spindle 42 rotated by the driving force of the drive motor 41 and a drill tip 43 coupled to the spindle 42 to form holes (inner diameters) in the bar-shaped workpiece.

More particularly, the present invention relates to a multi-directional simultaneous machining drilling machine for drilling to manufacture an elbow pipe for changing direction or a tee pipe for branching in two directions from one pipe, .

The pipe used in the present invention is processed by hot forging in order to withstand high pressure. In the present invention, an elbow pipe and a tee pipe are manufactured.

1, the multi-directional simultaneous machining drilling machine 100 includes a work platform 110, a support frame 111 for supporting the work platform 110, A clamping part 130 for clamping and fixing the bar-shaped workpiece placed on the processing bed 120, and a clamping part 130 for clamping and fixing the workpiece fixed to the processing bed 120 And a drilling unit 140.

5 and 6, the work table 110 is supported by the support frame 111 and is positioned horizontally, and a step 112 is formed on the upper surface edge of the work table 110 To form a fence.

The step 112 prevents the lubricating oil flowing into the upper portion of the work table 110 from flowing out to the outside in order to easily discharge the scrap.

A processing bed 120 on which a bar-shaped workpiece is placed is coupled to a center of an upper surface of the work table 110. The processing bed 120 is coupled with a predetermined height from the upper surface of the work table 110, 120 is provided on the upper surface thereof with a seating block 121 on which the bar-shaped workpiece is seated.

On the other hand, the processing bed 120 is provided with a pair of mounting blocks 121 on which a rod-like workpiece is seated to simultaneously process a pair of rod-shaped workpieces, and a pair of front drill sections 143 So that it is possible to simultaneously process the bar-shaped workpiece placed in the pair of seating blocks 121. [

8, the seating block 121 used in the present invention is formed with a tie-shaped groove on its upper surface, that is, a pair of V-grooves are formed in a direction intersecting with each other, and a Tie or Elbow So that the rod-like workpiece can be easily seated.

At this time, when the elbow type rod-like workpiece is placed on the seating block 121, the seating block 121 located on the left side of the pair of seating blocks 121 is moved in the left- And when it is placed on the seating block 121 located on the right side, the machined surface is oriented so as to face the front and the right direction.

In addition, the operator can replace the seating blocks 121 of various sizes according to the outer diameter of the rod-shaped workpiece, so that the rod-shaped workpiece can be stably stowed and precise work can be performed.

A discharge port 113 is formed on the upper surface of the work table 110 located at both sides of the processing bed 120 so that the scrap generated during drilling is discharged to the outside through the discharge port 113 .

On the other hand, to which the work piece secured to the mounting block 121 of the processing bed 120 is fixed by the clamp 130, in the present invention is to clamp the rod-shaped workpiece by using a hydraulic clamp.

7, the clamp unit 130 includes a cylinder 131 installed vertically and moving up and down by hydraulic pressure, a joint 132 coupled to an end of the cylinder 131, And a cover 133 coupled to the outer periphery of the joint 132 so as to surround the joint 132.

The vertical section of the joint 132, which is coupled to the end of the loaded rod of the cylinder 131,

Figure 112015110107695-pat00001
', That is, a cylindrical shape, and a step is formed on the lower side outer circumference to form a lower side radius larger than the upper side radius, and a convex portion convex downward is formed on the lower surface.

A cover 133 is coupled to the outer periphery of the joint 132 so as to surround the joint 132. The cover 133 has a cylindrical shape with a hole formed on the upper surface thereof and has a joint 132, And the hole is formed to be smaller than the space portion so that the cover 133 coupled to the joint 133 can not be released to the outside.

The bottom surface of the cover 133 is in direct contact with the upper surface of the rod-shaped workpiece placed on the processing bed 120 to directly press and fix the rod-shaped workpiece, and a space is formed between the cover 133 and the joint 132 When the cover 133 clamps the rod-like workpiece, the cover 133 moves smoothly according to the inclination of the rod-shaped workpiece 133, and the rod- Lt; / RTI >

In addition, the pad 134 is coupled to the bottom surface of the cover 133 to prevent the outer surface of the bar-shaped workpiece from being damaged or damaged.

A pair of limit switches are coupled to one side of the cylinder 131 so as to be spaced upward and downward at a predetermined distance to guide the lifting and lowering points of the cylinder 131.

When two rod-like workpieces are seated on the processing bed 120, two clampers 130 are installed to clamp the two rod-like workpieces simultaneously so that the rod-shaped workpieces are fixed one by one. do.

The bar-shaped workpiece that is seated on the processing bed 120 and fixed by the clamping unit 130 is drilled by the drilling unit 140. The drilling unit 140 is disposed on the left side of the processing bed 120 A right drill portion 142 disposed on the right side, and a front drill portion 143 disposed on the front side.

The left drill section 141, the right drill section 142 and the front drill section 143 have the same configuration. In the present invention, the left drill section 141 will be described as an example for convenience of explanation.

In the present invention, the direction is set on the basis of the operator shown in Fig. 1 so that the direction of the face of the operator is forward and the back of the operator is the rear.

The left drill 141 includes a main body 40, a driving motor 41 coupled to the main body 40, and a driving motor 41 connected to the driving motor 41 and rotated by the driving force of the driving motor 41 And a drill tip 43 coupled to the spindle 42 to form a hole in the bar-shaped workpiece. A rail is formed on the bottom surface of the main body 40, .

In the present invention, the R-Drill is used as a drill tip in order to process the elbow type rod-shaped workpiece so that the cutting shape of the connecting portion where the two holes meet is close to the R shape, and the R- Is a tool having a curvature formed therein to reduce the CNC machining amount, thereby improving the working speed.

In addition, when drilling a T-shaped pipe, the cutting time is shortened by using a U-Drill so as to drill through the left and right sides at once.

Hereinafter, a method of manufacturing an elbow pipe and a tee pipe using the multi-directional simultaneous machining drilling machine of the present invention will be described.

The drilling section 140 provided on the three sides of the T-shaped or elbow type rod-shaped workpiece simultaneously advances drilling to the machined surface of the T-shaped or elbow-shaped rod-shaped workpiece to form an inner diameter up to a certain depth, When the machining operation is completed, the drilling unit 140 installed on the left and right stops the machining operation. When the drilling unit 140 installed on the front is completed, the drilling unit 140 installed on the left and right sides is machined When the drilling unit 140 installed on the left and right sides is resumed or the drilling unit 140 installed on the left and right sides is continuously processed, the drilling unit 140 installed at the front stops the machining operation, When the work is completed, the drilling unit 140 provided at the front is resumed to the machining operation.

In step 1, a pair of tie-shaped or elbow-shaped bar-shaped workpieces is seated on the processing bed 120, and a tie-shaped or elbow-shaped bar-shaped workpiece seated on the processing bed 200 as a two- And is fixed by the clamp unit 130.

Then, as a third step, all the drilling portions 140 are brought into contact with the machining surface of the T-shaped or elbow type rod-shaped workpiece placed on the processing bed 200, and all the drilling portions 140 contacting the machined surface of the rod- A 4-step process in which the drilling process proceeds to a certain depth is performed.

At this time, the rotation speed of the drill of the drilling unit 140 is 950 RPM, and the progress speed is 340 mm / min.

On the other hand, in the 3-step process, since the process of positioning the rod-shaped workpiece up to 3 to 5 mm in contact with the machined surface of the first rod-shaped workpiece, the machining operation proceeds under the condition of 50% of the machining conditions.

This is for the purpose of preventing the tool from being damaged due to hardening, inclining or the like of the forged surface and preventing the tool from slipping or being idle on the machined surface.

When the drilling unit 140 installed at the front of the drilling unit 140 continues to process the drilling unit 140 at a predetermined depth so that the drilling unit 140 does not collide with the drilling unit 140, The drilling unit 140 installed at the front stops the machining operation and thus the inner diameter is formed only in one direction.

In particular, it is preferable that the position of the drilling unit 140 where the machining operation is stopped is stopped only at the outer diameter of the T-shaped or elbow-shaped rod-like workpiece in which the machining operation is proceeding.

On the other hand, the drilling unit 140 that stops the machining operation returns to the original position without waiting in the inside of the rod-shaped workpiece being drilled.

This is to prevent the drill from being damaged by preventing the drill from hitting the inner surface of the bar-shaped workpiece due to vibration due to the drilling, or to allow smooth drilling work to proceed.

When the inner diameter is formed in one direction in step 5, the drilling unit 140, which has been drilled, is subjected to a backward six step process. When the drilling unit 140 is in the waiting state, The drilling unit 140, which is in the waiting state, resumes the drilling process, thereby manufacturing a tee or elbow type steel pipe.

Particularly, when processing a T-shaped rod-like workpiece placed on the processing bed 120 in the step 4, the drilling portion 140 provided on the front side waits for drilling the inner diameter of the rod- (140) continues drilling to form the inner diameter of the bar-shaped workpiece.

When a tie or elbow type rod-shaped workpiece having a different diameter is seated on the seating block 121, the height of the machining center point of the T-shaped or elbow-shaped rod-shaped workpiece is different from that of the drill 140, It was not possible to produce a tee or elbow tube of various sizes.

FIG. 9 is a plan schematic view of a machining bed and a seating block according to another embodiment of the present invention multi-directional simultaneous machining drilling machine, and FIG. 10 is a plan view of a machining bed and a seating block according to another embodiment of the multi- It is a frontal schematic.

As shown in FIGS. 9 to 10, the pair of seating blocks 121 are all divided into three, and the processing beds 120 are vertically pierced so that a pair of the seating blocks 121, which are divided into three, And the guide grooves 1 are radially formed so as to maintain the same angle from the center of the seating block 121. In addition,

A guide protrusion (not shown) protruding downward is formed on the lower surface of the seating block 121. The guide protrusion is seated in the guide groove 1, .

At this time, since the seating block 121 is divided into three parts, the spacing of the guide grooves 1 is maintained at 120 deg.

For reference, the seating block 121 is divided into two cubes and one rake face.

A pair of vertical guide shafts 2 are provided on the lower portion of the processing bed 120 and extend from the center of the pair of seating convexes 121. The guide shafts 2 are provided with guide shafts 2, a guide bushing 3 that moves up and down is provided.

The outer circumference of the guide bushing 3 and the guide protrusion formed on the lower surface of the seating block 121 are connected to each other by a link shaft 4.

The link shafts 3 are hinged to the guide shafts of the seating block 121 and the guide shafts 3 so that the guide shafts 3 are hinged along the guide shafts 2 The three mounting blocks 121 are moved at equal intervals along the guide grooves 1 as they move upward and downward.

A pair of guide bushings 3 are connected by a horizontal connection frame 5 and a rod which reciprocates linearly by a cylinder 6 is coupled to the lower surface of the connection frame 5, The movable block 3 moves up and down at the same speed and spacing along the guide shaft 2, so that the three divided seating blocks 121 move at the same speed and spacing.

Accordingly, when the tie-shaped or elbow-shaped rod-shaped workpiece having a large diameter is drilled, the three-divided seating blocks 121 are opened so that the center position of the end face of the rod-shaped workpiece is aligned with the drill of the drilling portion 140 And when the tie-shaped or elbow-shaped rod-shaped workpiece having a small diameter is machined, the seating block 121 may be moved in the opposite direction.

Further, the user can improve the precision of the product by finishing the pipe manufactured by the multi-directional simultaneous drilling machine, if necessary, and the finishing work is performed by a CNC machine.

Accordingly, the multi-directional simultaneous drilling method of the present invention not only produces precise and uniform quality products by drilling the hot forged semi-finished products, but also simultaneously processes two elbow pipes in one process to improve work efficiency and productivity There is a remarkable effect.

100: Drilling machine
110: worktable 111: support frame
112: step 113: outlet
120: processing bed 121: seating block
130: clamp part 131: cylinder
132: Joint 133: Cover
134: Pad
140: Drilling section 141: Left drill section
142: right side drill part 143: front side drill part
40: main body 41: drive motor
42: spindle 43: drill tip
1: Guide groove 2: Guide shaft
3: Guide bushing 4: Link shaft
5: Connection frame 6: Cylinder

Claims (3)

The drilling process is simultaneously performed on the machined surface of the T-shaped or elbow type rod-shaped workpiece by the drilling unit 140 provided on the three surfaces of the T-shaped or elbow-shaped rod-shaped workpiece to form the inner diameter to a certain depth, When the work is continued, the drilling unit 140 installed on the left and right stops the machining operation. When the machining operation of the drilling unit 140 installed on the front is completed, the drilling unit 140 installed on the left and right sides As work resumes,
Placing a pair of T-shaped or elbow-shaped rod-like workpieces on the processing bed 120; A second step in which a T-shaped or elbow-shaped rod-like workpiece seated on the processing bed 120 is fixed to the clamping unit 130; (B) contacting all the drilling portions 140 to the machined surfaces of the T-shaped or elbow-shaped bar-shaped workpieces seated on the processing bed 120; (B) drilling the entire drilling portion 140 in contact with the machined surface of the bar-shaped workpiece to a predetermined depth; When the drilling unit 140 installed at the front of the drilling unit 140 continues to be machined so that the drilling unit 140 does not collide with each other as the drilling unit 140 proceeds, the drilling unit 140 installed on the left and right sides stops the machining operation Or when the drilling unit 140 installed on the left and right sides continues the machining operation, the drilling unit 140 installed in the front is stopped in the fifth step of forming the inner diameter only in one direction by stopping the machining operation; In step 5, when drilling of the inner diameter is completed in one direction, the drilling unit 140 proceeds to step 6; When the drilling unit 140 is in the waiting state and the drilling unit 140 is in the waiting state, the drilling unit 140 resumes drilling when the drilling unit 140 passes the intersection where the imaginary straight extension line crosses the progress direction of the drilling unit 140. A method of manufacturing a multi-directional simultaneous drilling method for manufacturing a T-type or an elbow type steel pipe,
The drilling section 140 provided on three sides of the T-shaped or elbow type rod-shaped workpiece simultaneously advances drilling to the machined surface of the T-shaped or elbow type rod-like workpiece to form an inner diameter up to a certain depth, The drilling unit 140 installed on the front side stops the machining operation and when the drilling unit 140 installed on the left side and the right side is completed, The machining operation is resumed,
When machining the T-shaped rod-shaped workpiece placed on the processing bed 120 in step 4, the drilling unit 140 installed on the front side waits for drilling the inner diameter of the rod-shaped workpiece, and the drilling unit 140 ) Continues drilling to form the inner diameter of the rod-shaped workpiece,
A multi-direction simultaneous machining drilling machine 100 for simultaneous drilling of the T-type or elbow type steel pipe comprises a work table 110, a support frame 111 for supporting the work table 110, A clamping part 130 for clamping and fixing a T-shaped or elbow-shaped bar-shaped workpiece mounted on the processing bed 120, a clamping part 130 for clamping and fixing the T- And a drilling unit 140 for drilling a bar-shaped workpiece fixed to the bed 120. The drilling unit 140 includes a left drill 141 disposed on the left side of the processing bed 120, And a pair of front drill sections 143 disposed on the front side,
The work table 110 is supported horizontally by a support frame 111. A step 112 is formed on a top edge of the work table 110. The step 112 includes a work table 110, Thereby preventing the lubricating oil flowing into the upper portion of the cylinder 110 from flowing over to the outside,
The processing bed 120 is coupled to the upper surface of the work table 110 so as to have a predetermined height from the upper surface of the work table 110. The processing bed 120 A seating block 121 on which a bar-shaped workpiece is seated is provided,
A tie-shaped groove is formed on the upper surface of the seating block 121. When the elbow-shaped bar-shaped workpiece is placed on the seating block 121, a seating block 121 positioned on the left side of the pair of seating blocks 121, Shaped bar-shaped workpiece is seated such that the machined surface faces forward and leftward, and the machining surface is positioned facing forward and rightward when positioned on the seating block 121 located on the right side. Way.
delete delete
KR1020150158479A 2015-11-11 2015-11-11 Multidirectional drilling method at once KR101647645B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150158479A KR101647645B1 (en) 2015-11-11 2015-11-11 Multidirectional drilling method at once

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150158479A KR101647645B1 (en) 2015-11-11 2015-11-11 Multidirectional drilling method at once

Publications (1)

Publication Number Publication Date
KR101647645B1 true KR101647645B1 (en) 2016-08-11

Family

ID=56714300

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150158479A KR101647645B1 (en) 2015-11-11 2015-11-11 Multidirectional drilling method at once

Country Status (1)

Country Link
KR (1) KR101647645B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101969159B1 (en) * 2019-02-28 2019-04-15 박정원 Device for processing the stator shaft which having different diameter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130115883A (en) * 2012-04-13 2013-10-22 이정원 The drilling machine that a bidirectional drilling is possible

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130115883A (en) * 2012-04-13 2013-10-22 이정원 The drilling machine that a bidirectional drilling is possible

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101969159B1 (en) * 2019-02-28 2019-04-15 박정원 Device for processing the stator shaft which having different diameter

Similar Documents

Publication Publication Date Title
KR101647642B1 (en) Multidirectional processing drilling machine at once
CN103949909B (en) A kind of CNC processes spherical parts built-up jig and clamping method
JP2014240101A (en) Deep hole machining device
US7549312B2 (en) Concentric machining device for a roller
CN104903033A (en) Device and method for parting off a pipe
CN107876872A (en) A kind of sawing machine of band rotation table
CN107511703A (en) A kind of hardware workpiece fixture for processing
KR101647645B1 (en) Multidirectional drilling method at once
CN206869393U (en) A kind of square tube positioning fixture
CN203830865U (en) Linear cutting machine for machining large-scale circular-ring-shaped workpiece
CN108145206A (en) A kind of type horizontal processing machine tool for jacking deep hole machining
CN103934526A (en) Wire cutting machine used for machining large annular workpieces and machining method of large annular workpieces
CN112091639B (en) Mold blank machining center and machining process
CN107876859A (en) A kind of sawing sheet pipe-end machining apparatus
KR101807811B1 (en) Tailstock modification engine lathe and processing method of pipe using the same
CN205703406U (en) A kind of it is applicable to the universal fixture that double-sided substrate radiator is processed and formed at one time
CN104815993A (en) Double-handstand turning center lathe
CN107900411A (en) Tire-mold hole machined equipment and its processing method
CN113814434A (en) Quick alignment method for manufacturing electric smelting tee pipe fitting press fitting tool during boring
CN207171140U (en) A kind of fixture for being used to cut thin-walled semicanal tubing
KR200396147Y1 (en) Forming device of ramification port in pipe
CN111790951A (en) Door closer piston gear milling self-centering machining equipment and machining process thereof
CN216370523U (en) Large-scale ring gear hobbing quick change system
CN107695698A (en) A kind of pipe-end machining apparatus
CN220970768U (en) Tooling for chamfer pipe parts

Legal Events

Date Code Title Description
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20190710

Year of fee payment: 4