CN203764864U - Petroleum drill pipe joint horizontal die forging device - Google Patents

Petroleum drill pipe joint horizontal die forging device Download PDF

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Publication number
CN203764864U
CN203764864U CN201320891431.2U CN201320891431U CN203764864U CN 203764864 U CN203764864 U CN 203764864U CN 201320891431 U CN201320891431 U CN 201320891431U CN 203764864 U CN203764864 U CN 203764864U
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China
Prior art keywords
oil cylinder
die forging
forging
mold
pipe joint
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CN201320891431.2U
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Chinese (zh)
Inventor
王开宏
孙小林
曹宏博
孟国丰
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Oceanic Rise Oil Drilling Tools (wuxi) Co Ltd
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Oceanic Rise Oil Drilling Tools (wuxi) Co Ltd
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Abstract

The utility model aims at providing a petroleum drill pipe joint horizontal die forging device for solving the problems of low processing efficiency and lower raw material utilization rate of a die forging device in the existing drill pipe joint vertical die forging process mode. The petroleum drill pipe joint horizontal die forging device comprises a machine frame, wherein an upper mold is vertically and glidingly arranged on the machine frame and is connected with an upper mold downward pressing device, a lower mold positioned under the upper mold is fixedly arranged on the machine frame, a drill pipe joint forming cavity with openings at the left and right ends is arranged between the upper mold and the lower mold, a left main forging oil cylinder is horizontally arranged at the left side of the machine frame, and a right main forging oil cylinder is horizontally arranged at the right side of the machine frame. The petroleum drill pipe joint horizontal die forging device provided by the embodiment of the utility model can be applied to the field of drill pipe joint die forging.

Description

The horizontal die forging device of joint of petroleum drill rod
Technical field
The utility model relates to a kind of tool joint die forging process equipment.
Background technology
Tool joint is the important part that connects to form of oil drilling tools, and tool joint is to material, and tissue and mechanical performance require very strict, and the tool joint of most of specification is used forging.Most the adopted traditional vertical contour forging technique mode of tool joint producer.The tool joint that the die forging device that this explained hereafter adopts is produced has certain drawback, and working (machining) efficiency is low, and owing to there being pattern draft, utilization rate of raw materials is very low.
Utility model content
The purpose of this utility model is to provide a kind of die forging device, low to solve in the vertical contour forging technique mode of existing tool joint die forging device working (machining) efficiency, the problem that utilization rate of raw materials is lower.
The utility model embodiment provides a kind of die forging device, comprise frame, in described frame, slide up and down mold is installed, described mold is connected with mold hold-down devices, in described frame, be installed with the bed die that is positioned at described mold below, between described mold and described bed die, be provided with the tool joint forming cavity of left and right both ends open, the left side of described frame is horizontally installed with left main forging oil cylinder, the piston rod of described left main forging oil cylinder is provided with the left main forging drift that can pour from the left end opening of described tool joint forming cavity, the right side of described frame is horizontally installed with right main forging oil cylinder, the piston rod of described right main forging oil cylinder is provided with the right main forging drift that can pour from the right-end openings of described tool joint forming cavity.
Concrete, described mold hold-down devices is included in the left side oil cylinder of cranking arm that install in the left side of described frame, the right side of described frame is provided with the right side oil cylinder of cranking arm, cranking arm and between the piston rod of oil cylinder and the upper surface of described mold, be hinged with a left side and crank arm in a described left side, cranks arm and between the piston rod of oil cylinder and the upper surface of described mold, be hinged with the right side and crank arm in the described right side.
Concrete, in described frame, be also provided with and be positioned at the crank arm hinged seat of oil cylinder and the right oil cylinder top of cranking arm of a described left side, cranking arm and be hinged with left connecting rod between the piston rod of oil cylinder and described hinged seat in a described left side, cranks arm and be hinged with right connecting rod between the piston rod of oil cylinder and described hinged seat in the described right side.
The horizontal die forging device of a kind of joint of petroleum drill rod that the utility model embodiment provides, saves material greatly, without pattern draft, can material-saving 20% left and right, and the extrusion modling again of first closed mould, forging moulding is full, makes die forging joint formed precision high.And die forging joint inherent quality is good, adopt extrusion modling, metal flows fully in die cavity, and the deformation time is longer, and the inherent quality density of forging is high, and power attenuation is little, energy-conservation; Die forging device adopts mechanical type clamping to crank arm by the hydraulic oil cylinder driving left side of cranking arm, a left side, the right side crank arm the hydraulic oil cylinder driving right side crank arm drive mold carry out matched moulds, horizontal direction adopts the left main forging drift of left main forging hydraulic oil cylinder driving, the right main forging drift of right main forging hydraulic oil cylinder driving, input power is 180KW only, be significantly less than the power of the about 300KW of same category of device in industry, environmental protection, forges noise little; Adopt horizontal punching technique, drift enters in die forging joint gross weight is wherein washed out from horizontal direction, and continuous production is good, and efficiency is high; Add thermal recovery heating in medium frequency, realize environmental protection and forge.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of die forging device in the utility model embodiment;
Fig. 2 is the structural representation of blanking mold in the utility model embodiment;
Fig. 3 is the structural representation of punching die in the utility model embodiment;
Fig. 4 is the structural representation of die forging male joint in the utility model embodiment;
Fig. 5 is the structural representation of die forging female joint in the utility model embodiment.
Detailed description of the invention
As shown in Figure 1, the utility model embodiment provides a kind of joint of petroleum drill rod horizontal die forging device, comprise frame 7, in described frame 7, slide up and down mold 8 is installed, described mold 8 is connected with mold hold-down devices, in described frame 7, be installed with the bed die 9 that is positioned at described mold 8 belows, between described mold 8 and described bed die 9, be provided with the tool joint forming cavity 10 of left and right both ends open, the left side of described frame 7 is horizontally installed with left main forging oil cylinder 11, the piston rod of described left main forging oil cylinder 11 is provided with the left main forging drift 12 that can pour from the left end opening of described tool joint forming cavity 10, the right side of described frame 7 is horizontally installed with right main forging oil cylinder 13, the piston rod of described right main forging oil cylinder 13 is provided with the right main forging drift 14 that can pour from the right-end openings of described tool joint forming cavity 10.
Described mold hold-down devices is included in the left side oil cylinder 15 of cranking arm that install in the left side of described frame 7, the right side of described frame 7 is provided with the right side oil cylinder 16 of cranking arm, crank arm and between the piston rod of oil cylinder 15 and the upper surface of described mold 8, be hinged with a left side and crank arm 17 in a described left side, crank arm and between the piston rod of oil cylinder 16 and the upper surface of described mold 8, be hinged with the right side and crank arm 19 in the described right side, in described frame 7, be also provided with and be positioned at the crank arm hinged seat 20 of oil cylinder 15 and right oil cylinder 16 tops of cranking arm of a described left side, crank arm and be hinged with left connecting rod 21 between the piston rod of oil cylinder 15 and described hinged seat 20 in a described left side, crank arm and be hinged with right connecting rod 22 between the piston rod of oil cylinder 16 and described hinged seat 20 in the described right side.
While using contour forging technique mode of the present utility model to produce, comprise the following steps:
(1) blanking; Use the accurate blanking of band sawing machine, blanking procedure is the first operation of die forging production process, is also very important operation, and cutting stock weight must ensure even unification, the continuous uniformity of guarantee die forging joint final molding quality like this, it is stable that the whole contour forging technique of guarantee is carried out.Here except requiring band sawing machine stable performance, raw material are directly spent and must be ensured to meet the requirements, and also want strict implement technology for blanking, thereby guarantee the even unification of blanking when blanking.
(2) heating; Use 750KW Medium Frequency Induction Heating Furnace that bar is heated rapidly to and forges the required temperature of tool joint, select the heating-up temperature of different range for the bar of different size, to ensure the uniformity of bar temperature simultaneously, be conducive to next step base and die-forging forming.
(3) base, adopts blanking device that bar upsetting squeeze is become to joint blank; As shown in Figure 2, described blanking device comprises base seat 1, on described base seat 1, blanking mold 2 is installed, in described blanking mold 2, be provided with blank forming cavity 3, the upper end of described blanking mold 2 is provided with the material mouth 4 communicating with described blank forming cavity 3, the lower end of described blanking mold 2 is provided with lower top via hole, in the via hole of described lower top, be set with the lower top 5 that is positioned at described blank forming cavity 3 bottoms, described blanking device also comprises base top end 6, and described base top end 6 is connected with top end lifting hydraulic cylinder.In described base step, first bar is sent in the blank forming cavity 3 of blanking mold 2, base top end 6 presses down, and bar upsetting squeeze is become to joint blank, and then base top end 6 is return, and comes directly towards 5 joint blank is ejected to blanking mold 2 under base.
(4) die forging, adopts die forging device that joint blank is squeezed into die forging joint, as shown in Figure 1, joint blank is sent on bed die 9, a left side crank arm oil cylinder 15 and the right side crank arm oil cylinder 16 by a left side crank arm 17 and the right side 19 drive molds 8 of cranking arm press down, make mold 8 and bed die 9 matched moulds form the tool joint forming cavity 10 of left and right both ends open, and the main forging oil cylinder 11 of rear left drives left main forging drift 12 to pour from the left end opening of described tool joint forming cavity 10, right main forging oil cylinder 13 drives right main forging drift 14 to pour from the right-end openings of described tool joint forming cavity 10, until joint blank is full of whole tool joint forming cavity 10 by left main forging drift 12 and anti-the squeezing of right main forging drift 14, then left main forging drift 12 is return initial point with right main forging drift 14, a left side crank arm oil cylinder 15 and the right side crank arm oil cylinder 16 by a left side crank arm 17 and the right side 19 drive molds 8 of cranking arm rise, shaping mould welded joint is taken out from tool joint forming cavity 10.Die forging device cranks arm 17 by the hydraulic oil cylinder driving left side of cranking arm, a left side; the right side oil cylinder 16 of cranking arm drives the right side 19 drive molds of cranking arm; adopt mechanical clamping; and in prior art, all adopt fluid pressure type clamping system; mechanical type matched moulds advantage is greatly to save electric energy; equipment power of motor is only 180KW, and all the other producer's powers of motor are at least more than 300KW.
(5) punching, is used perforating press that the gross weight of die forging joint is washed out; As shown in Figure 3, described perforating press comprises punching frame 23, the punching die 24 of placing mold welded joint is installed in described punching frame 23, the Work-sheet pressing oil cylinder 25 that is positioned at described punching die 24 tops is installed in described frame 23, the briquetting 26 that is pressed on die forging joint upper surface is installed on the piston rod of described Work-sheet pressing oil cylinder 25, the punching oil cylinder 27 that die forging joint gross weight is washed out that is positioned at described punching die 24 sides is installed in described punching frame 23, and the piston rod of described punching oil cylinder 27 is connected with drift 28.
The drawing mechanism from ejecting in punching die 24 by die forging joint is also installed in described punching frame 23.
Described drawing mechanism comprises and slides up and down the push rod 29 being arranged in described punching frame 23, and described punching die 24 is provided with the via hole passing through for described push rod 29, and described push rod 29 is connected with push rod hoist cylinder 30.
In described punching step, die forging joint is put into punching die 24, moving briquetting 26 by Work-sheet pressing oil cylinder 25 contacts with die forging joint 31, compress from top by die forging joint 31, then drive drift 28 by punching oil cylinder 27, drift 28 enters in die forging joint 31 gross weight wherein 32 is washed out from horizontal direction, die forging joint is divided into die forging male joint and die forging female joint, Fig. 4 and Fig. 5 have shown the position of gross weight 32 in die forging male joint and die forging female joint, finally move push rod 29 by push rod hoist cylinder 30 die forging joint is released from punching die 24.Adopt horizontal punching technique, drift 28 enters in die forging joint 31 gross weight wherein 32 is washed out from horizontal direction, and continuous production is good, and efficiency is high.
(6) remaining warm normalizing utilizes die forging joint to forge rear remaining temperature in described remaining warm normalizing step, and close-packed arrays is put into normalizing van-type stove, slowly cools to uniform temperature and come out of the stove in stove, then adopts air cooling mode cooling.
Adopt horizontal die forging, have advantages of that geomery is accurate, structure property is good, have that streamline distribution is good, to reduce material consumption, production environmental protection and production efficiency high.Compared with traditional vertical contour forging technique, every butt joint at least 5KG that on average saves material.Can obtain great economic benefit.
The extrusion modling again of first closed mould, forging moulding is full, makes die forging joint formed precision high.And die forging joint inherent quality is good, adopt extrusion modling, metal flows fully in die cavity, and the deformation time is longer, and the inherent quality density of forging is high, and power attenuation is little, energy-conservation; Die forging device adopts mechanical type clamping to crank arm 17 by the hydraulic oil cylinder driving left side of cranking arm, a left side, the right side oil cylinder 16 of cranking arm drives the right side 19 drive molds of cranking arm to carry out matched moulds, horizontal direction adopts left main forging oil cylinder 11 to drive left main forging drift, right main forging oil cylinder 13 drives right main forging drift 14, input power is 180KW only, be significantly less than the power of the about 300KW of same category of device in industry, environmental protection, forges noise little; Adopt horizontal punching technique, drift enters in die forging joint gross weight is wherein washed out from horizontal direction, and continuous production is good, and efficiency is high; Add thermal recovery heating in medium frequency, realize environmental protection and forge.
Comprise the above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.

Claims (3)

1. the horizontal die forging device of joint of petroleum drill rod, it is characterized in that: described die forging device comprises frame, in described frame, slide up and down mold is installed, described mold is connected with mold hold-down devices, in described frame, be installed with the bed die that is positioned at described mold below, between described mold and described bed die, be provided with the tool joint forming cavity of left and right both ends open, the left side of described frame is horizontally installed with left main forging oil cylinder, the piston rod of described left main forging oil cylinder is provided with the left main forging drift that can pour from the left end opening of described tool joint forming cavity, the right side of described frame is horizontally installed with right main forging oil cylinder, the piston rod of described right main forging oil cylinder is provided with the right main forging drift that can pour from the right-end openings of described tool joint forming cavity.
2. die forging device as claimed in claim 1, it is characterized in that: described mold hold-down devices is included in the left side oil cylinder of cranking arm that install in the left side of described frame, the right side of described frame is provided with the right side oil cylinder of cranking arm, cranking arm and between the piston rod of oil cylinder and the upper surface of described mold, be hinged with a left side and crank arm in a described left side, cranks arm and between the piston rod of oil cylinder and the upper surface of described mold, be hinged with the right side and crank arm in the described right side.
3. die forging device as claimed in claim 2, it is characterized in that: in described frame, be also provided with and be positioned at the crank arm hinged seat of oil cylinder and the right oil cylinder top of cranking arm of a described left side, cranking arm and be hinged with left connecting rod between the piston rod of oil cylinder and described hinged seat in a described left side, cranks arm and be hinged with right connecting rod between the piston rod of oil cylinder and described hinged seat in the described right side.
CN201320891431.2U 2013-12-31 2013-12-31 Petroleum drill pipe joint horizontal die forging device Active CN203764864U (en)

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CN201320891431.2U CN203764864U (en) 2013-12-31 2013-12-31 Petroleum drill pipe joint horizontal die forging device

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103706744A (en) * 2013-12-31 2014-04-09 海隆石油钻具(无锡)有限公司 Petroleum drill rod joint horizontal die forging technology and die forging device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103706744A (en) * 2013-12-31 2014-04-09 海隆石油钻具(无锡)有限公司 Petroleum drill rod joint horizontal die forging technology and die forging device

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