CN105964847A - One-time precision forming technology of composite insulator lower-end fitting - Google Patents
One-time precision forming technology of composite insulator lower-end fitting Download PDFInfo
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- CN105964847A CN105964847A CN201610496905.1A CN201610496905A CN105964847A CN 105964847 A CN105964847 A CN 105964847A CN 201610496905 A CN201610496905 A CN 201610496905A CN 105964847 A CN105964847 A CN 105964847A
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- core rod
- hole
- cylindrical
- diameter
- overcoat
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
- B21H3/06—Making by means of profiled members other than rolls, e.g. reciprocating flat dies or jaws, moved longitudinally or curvilinearly with respect to each other
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/14—Ejecting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/08—Upsetting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention relates to a one-time precision forming technology of a 10KV needle type composite insulator lower-end fitting. Molds comprise the five station molds, namely, the blanking mold, the second-step mold, the third-step mold, the fourth-step mold and the fifth-step mold. The five station molds are each composed of an upper mold head and a lower mold body and are sequentially and correspondingly mounted and fixed on an upper mold seat and a lower mold seat. The upper mold seat and the lower mold seat are integrated and are fixedly mounted on an upper workbench and a lower workbench of a cold heading machine correspondingly. A discharging ejector rod is mounted at the rear end of each of the five station lower mold bodies. The one-time precision forming technology has the beneficial effects that design is ingenious; operation is convenient; time, manpower and materials are saved; safety and reliability are achieved; precision is high; quality is good; cost is low; and efficiency is high.
Description
Technical field
The present invention relates to composite insulator hardware production field, be specifically related to a kind of composite insulator lower end gold utensil (steel foot)
Precise forming process.
Background technology
Composite insulator hardware (steel foot) processing mode used lathe in the past;Milling machine processing, but due to processed
Journey there is scrap iron from splashing casualty accident easily occurs, dangerous. manufacturing procedure is many simultaneously, complex process, in cutting process
Generation waste material is many, and the machining time is long, and cost is high；In order to time-consuming, currently also someone uses the production work of excellent suitability for press forming
Skill, this technique produces to be needed first to heat material base, controls bad meeting and causes the overheated of material, surface oxidation decarburization, fire check,
Surface hardened layer, the defects such as mechanical performance difference is big, quality is unstable, and follow-up also needs to polish, and production efficiency is low, produces
Cycle is long, does not becomes production in enormous quantities. the market demand can not be met.
Summary of the invention
In order to solve the problems referred to above, the present invention proposes employing cold-heading extruding once accurate fast shaping technology, carries out complete
The method of automated production needle type composite insulator gold utensil (steel foot), the design of this method is ingenious, easy to operate, time-consuming,
Saving manpower, save material, safe and reliable, precision is high, and quality is good, low cost, and efficiency is high.
In order to reach foregoing invention purpose, the present invention proposes techniques below scheme:
Precise forming process of composite insulator lower end gold utensil (steel foot), production stage:
1) first dish unit Steel material is transported to cold headers charging aperture, cold headers self-feeding roller steel material is delivered to blanking
In mould, by cold headers heading move back and forth stroke automatically cut off designing the material base needing length, after by blanking die
The blank of cut-out is ejected by push rod；
2) blank cut off is delivered in the second work step mould by cold headers built-in machines hands, and built-in machines hands is by interlocking machine
Structure leaves reset automatically, and the blank of cut-out carries out cold-heading by cold headers heading reciprocating motion stroke in the second work step mould and squeezes
Pressure drawing-down gold utensil (steel foot) thread rod part is to requiring, blank is ejected by the push rod of the second work step mould；
3) blank of the second work step mold ejection is delivered in the 3rd work step mould by cold headers built-in machines hands, built-in machine
Tool hands leaves reset automatically by interlinked mechanism, and blank moves back and forth stroke by cold headers heading in the 3rd work step mould
Carry out extrude jumping-up gold utensil (steel foot) pedestal position, one end to requiring, the 3rd work step ejector pin of die set is the gold utensil blank of upsetting formation
Eject；
4) blank of the 3rd work step mold ejection is delivered in the 4th work step mould by cold headers built-in machines hands, built-in machine
Tool hands leaves reset automatically by interlinked mechanism, and blank, in the 4th work step mould, moves back and forth stroke by cold headers heading
Carry out extruding dual-side chuck on the chamfering in gold utensil hole peristoma portion and pedestal periphery and be shaped to requirement, the 4th work step mould
Push rod ejects the blank of extrusion molding blind hole；
5) blank of the 4th work step mold ejection is delivered in the 5th work step mould by cold headers built-in machines hands, built-in machines
Hands leaves reset automatically by interlinked mechanism, and blank, in the 5th work step mould, moves back and forth stroke by cold headers heading and enters
The blind hole of row extrusion molding gold utensil pedestal one end is to requiring, the push rod in the 5th work step mould ejects the gold utensil blank shaped；
6) the gold utensil blank of the 5th work step mold ejection falls under gravity into automatic feed mechanism and is automatically entered into stranding
The middle screw plate feed end of silk machine, blank is threaded into requirement, now by the motion stranding processing gold utensil of thread rolling machine;Complete gold utensil
(steel foot) whole flow process of precision form processing technique, gold utensil finished product falls under gravity in finished product working position apparatus basket,
Send matting.
Composite insulator lower end gold utensil one-time-shaped mould, described mould includes the mould of five stations, under being respectively
Material mould, the second work step mould, the 3rd work step mould, the 4th work step mould and the 5th work step mould, five station dies are by upper
Die head, lower mold forms, and Anshun ordered pair should be fixed on upper bolster and die shoe the most respectively, and upper and lower die holder is one whole
Body, is respectively and fixedly installed on the upper and lower workbench of cold headers, and five station lower mold rear ends are respectively provided with discharging push rod.
Described blanking die includes that upper die head, lower mold, described upper die head are cylindrical rod shape with the level, major diameter
One end body of rod be tightly fixed on upper bolster, the center of one end of minor diameter alignment lower mold, described lower mold includes
Core rod, core rod mounting flange set, die shoe, (die shoe is an entirety, and five station lower mold are all fixed on this die shoe
On) described in core rod be cylindrical shape, core rod center have two not equal diameter become the circular hole of step shape, mould
Core major diameter round hole one end faces toward upper die head, and minor diameter circular hole one end is installed facing to discharging push rod position, core rod major diameter round hole
One end cylindrical be provided with a step seam, described core rod mounting flange set be shaped as square flange and cylinder of holster
Structure is integral, and four angles of square flange are provided with four counter sinks, and flange center position is provided with the through hole of a band seam,
Through hole with seam moves to coordinate with the step seam on the cylindrical of core rod one end and matches, with four countersunk head hexagon socket head cap screws through four directions
Four counterbores of shape flange, are pressed abd fixed on core rod on die shoe.
The second described work step mould includes upper die head, lower mold, and described upper die head is cylindrical rod shape with the level,
One end of major diameter is tightly fixed on upper bolster, and described lower mold includes core rod, core rod overcoat, core rod mounting flange set
And die shoe, described core rod is the conical cylinder shape that cylindrical becomes the conical surface, and the center of core rod has two not wait straight respectively
Footpath becomes the circular hole of step shape, and major diameter round hole one end faces toward upper die head, and minor diameter circular hole one end is pacified facing to discharging push rod position
Dress；Described core rod overcoat is cylindrical sleeve shape, cylinder body center have a bellmouth and one slightly larger
In the cylindrical hole of bellmouth diameter at butt end, form a small stair at holes intersection；The bellmouth conical surface diameter of core rod overcoat
Size closely cooperates with core rod male cone (strobilus masculinus)；The external cylindrical surface of minor diameter one end, core rod overcoat tapered centre hole is provided with a step
Seam；
Described core rod mounting flange set be shaped as square flange and cylinder of holster structure is integral, four of square flange
Angle is provided with four counter sinks, and flange center position is provided with the through hole of a band seam, the through hole of band seam and core rod overcoat one end
Step seam on cylindrical moves cooperation and matches, and passes four counterbores of square flange with four countersunk head hexagon socket head cap screws, by mould
Core, core rod overcoat are pressed abd fixed on die shoe.
The 3rd described work step mould includes upper die head, lower mold, and described upper die head is cylindrical rod shape, center
Have two not equal diameter become the circular hole of step shape, minor diameter oral area is bell mouth shape, tight outside one end of major diameter
Coordinating and be fixed on upper bolster, described lower mold includes core rod, and core rod overcoat, core rod mounting flange overlap and die shoe, described
Core rod be the conical cylinder shape that cylindrical becomes the conical surface, the center of core rod have respectively two not equal diameter become step shape
Circular hole, two not equal diameter become to connect transition by bellmouth between the circular hole of step shape and bellmouth is connected with small diameter bore
Place forms a small stair, and major diameter round hole one end faces toward upper die head, and minor diameter circular hole one end is installed facing to discharging push rod position；
Described core rod overcoat is cylindrical sleeve shape, and cylinder body center has a bellmouth and one slightly larger than cone
The cylindrical hole of shape hole diameter at butt end, forms a small stair at holes intersection；The bellmouth conical surface diameter of core rod overcoat
Closely cooperate with core rod male cone (strobilus masculinus)；The external cylindrical surface of minor diameter one end, core rod overcoat tapered centre hole is provided with a step only
Mouthful；Described core rod mounting flange set be shaped as square flange and cylinder of holster structure is integral, four of square flange
Angle is provided with four counter sinks, and flange center position is provided with the through hole of a band seam, the through hole of band seam and core rod overcoat one end
Step seam on cylindrical moves cooperation and matches, and passes four counterbores of square flange with four countersunk head hexagon socket head cap screws, by mould
Core, core rod overcoat are pressed abd fixed on die shoe.
The 4th described work step mould includes upper die head, lower mold, and described upper die head is cylindrical rod shape with the level,
One end of major diameter is tightly fixed on upper bolster, and described lower mold includes core rod, core rod overcoat, core rod mounting flange set
And die shoe, described core rod is the conical cylinder shape that cylindrical becomes the conical surface, and the center of core rod has two not wait straight respectively
Footpath become step shape circular hole, two not equal diameter become step shape circular hole junction formed a small stair, major diameter
Circular hole one end faces toward upper die head, and minor diameter circular hole one end is installed facing to discharging push rod position；Described core rod overcoat is cylindrical sleeve
Shape, cylinder body center has a bellmouth and a cylindrical hole slightly larger than bellmouth diameter at butt end,
A small stair is formed at holes intersection；The bellmouth conical surface diameter of core rod overcoat closely cooperates with core rod male cone (strobilus masculinus)；
The external cylindrical surface of minor diameter one end, core rod overcoat tapered centre hole is provided with a step seam；Described core rod mounting flange set
Being shaped as square flange and cylinder of holster structure is integral, four angles of square flange are provided with four counter sinks, flange
Center is provided with the through hole of a band seam, and the through hole of band seam is dynamic with the step seam on the cylindrical of core rod overcoat one end coordinates phase
Join, with four countersunk head hexagon socket head cap screws through four counterbores of square flange, core rod, core rod overcoat are pressed abd fixed on lower mold
On seat.
The 5th described work step mould includes upper die head, lower mold, and described upper die head is cylindrical rod shape with the level,
One end of major diameter is tightly fixed on upper bolster, and described lower mold includes core rod, core rod overcoat, core rod mounting flange set
And die shoe, described core rod is the conical cylinder shape that cylindrical becomes the conical surface, and the center of core rod has two not wait straight respectively
Footpath become step shape circular hole, two not equal diameter become step shape circular hole junction formed a small stair, major diameter
Near minor diameter position, internal both sides are designed with boss to circular hole, and major diameter round hole one end faces toward upper die head, minor diameter circular hole one end
Install facing to discharging push rod position；Described core rod overcoat is cylindrical sleeve shape, and cylinder body center has one
Individual bellmouth and a cylindrical hole slightly larger than bellmouth diameter at butt end, form a small stair at holes intersection；Outside core rod
The bellmouth conical surface diameter of set closely cooperates with core rod male cone (strobilus masculinus)；Outside minor diameter one end, core rod overcoat tapered centre hole
The face of cylinder is provided with a step seam；Described core rod mounting flange set be shaped as square flange and cylinder of holster to constitute one whole
Body, four angles of square flange are provided with four counter sinks, and flange center position is provided with the through hole of a band seam, band seam
Through hole moves to coordinate with the step seam on the cylindrical of core rod overcoat one end and matches, with four countersunk head hexagon socket head cap screws through square method
Four blue counterbores, are pressed abd fixed on core rod, core rod overcoat on die shoe.
All core rods are all made with Hardmetal materials.
Described composite insulator hardware includes threaded screw rod, the bearing body of band blind hole, and bearing body periphery both sides are designed
Tightening chuck, threaded screw rod is contained in the bearing body lower end of band blind hole.
It is an advantage of the invention that design is ingenious, easy to operate, time-consuming, save manpower, save material, safe and reliable,
Precision is high, and quality is good, low cost, and efficiency is high.
Accompanying drawing explanation
Fig. 1 is the sectional view of the core rod of the blanking die of the present invention.
Fig. 2 is the side view of the core rod of the blanking die of the present invention.
Fig. 3 is the schematic diagram of the die sleeve of the blanking die of the present invention.
Fig. 4 is the sectional side view of the die sleeve of the blanking die of the present invention.
Fig. 5 is the sectional view of the die sleeve of the second work step mould of the present invention.
Fig. 6 is the side view of the die sleeve of the second work step mould of the present invention.
Fig. 7 is the sectional view of the core rod of the second work step mould of the present invention.
Fig. 8 is the side view of the core rod of the second work step mould of the present invention.
Fig. 9 is the sectional view of the die sleeve of the 3rd work step mould of the present invention.
Figure 10 is the side view of the die sleeve of the 3rd work step mould of the present invention.
Figure 11 is the sectional view of the core rod of the 3rd work step mould of the present invention.
Figure 12 is the side view of the core rod of the 3rd work step mould of the present invention.
Figure 13 is the sectional view of the die sleeve of the 4th work step mould of the present invention.
Figure 14 is the side view of the die sleeve of the 4th work step mould of the present invention.
Figure 15 is the sectional view of the core rod of the 4th work step mould of the present invention.
Figure 16 is the side view of the core rod of the 4th work step mould of the present invention.
Figure 17 is the sectional view of the die sleeve of the 5th work step mould of the present invention.
Figure 18 is the side view of the die sleeve of the 5th work step mould of the present invention.
Figure 19 is the sectional view of the core rod of the 5th work step mould of the present invention.
Figure 20 is the vertical view cutaway drawing of the core rod of the 5th work step mould of the present invention.
Figure 21 is the side view of the core rod of the 5th work step mould of the present invention.
Figure 22 is the total schematic diagram of mould of the present invention.
Figure 23 is the mould upward view of Figure 22.
Figure 24 is the schematic diagram of composite insulator lower end of the present invention gold utensil.
Figure 25 is the upward view of composite insulator lower end of the present invention gold utensil.
Figure 26 is the side view of composite insulator lower end of the present invention gold utensil.
Figure 27 is the blank schematic diagram after the present invention the first operation.
Figure 28 is the blank schematic diagram after the present invention the second operation.
Figure 29 is the blank schematic diagram after the present invention the 3rd operation.
Figure 30 is the blank schematic diagram after the present invention the 4th operation.
Figure 31 is the blank schematic diagram after the present invention the 5th operation.
Detailed description of the invention
Referring to the drawings, composite insulator lower end gold utensil one-shot forming technique, it is characterized in particular in following production stage:
1) such as Figure 27, first dish unit Steel material is transported to cold headers charging aperture, cold headers self-feeding roller steel material is sent
In blanking die, by cold headers heading move back and forth stroke automatically cut off designing the material base needing length, after by blanking
The blank of cut-out is ejected by the push rod in mould；
2) such as Figure 28, the blank of cut-out is delivered in the second work step mould by cold headers built-in machines hands, and built-in machines hands passes through
Interlinked mechanism leaves reset automatically, and the blank of cut-out moves back and forth stroke by cold headers heading in the second work step mould to be carried out
Cold-heading extruding drawing-down gold utensil (steel foot) thread rod part is to requiring, blank is ejected by the push rod of the second work step mould；
3) such as Figure 29, the blank of the second work step mold ejection is delivered in the 3rd work step mould by cold headers built-in machines hands,
Built-in machines hands leaves reset automatically by interlinked mechanism, and blank is back and forth transported by cold headers heading in the 3rd work step mould
Dynamic stroke carry out extrude jumping-up gold utensil (steel foot) pedestal position, one end to requiring, the 3rd work step ejector pin of die set is the gold of upsetting formation
Tool blank ejects；
4) such as Figure 30, the blank of the 3rd work step mold ejection is delivered in the 4th work step mould by cold headers built-in machines hands,
Built-in machines hands leaves reset automatically by interlinked mechanism, and blank, in the 4th work step mould, is back and forth transported by cold headers heading
Dynamic stroke carries out extruding dual-side chuck on the chamfering in gold utensil hole peristoma portion and pedestal periphery and is shaped to requirement, the 4th work
Step ejector pin of die set ejects the blank of extrusion molding blind hole；
5) such as Figure 31, the blank of the 4th work step mold ejection is delivered in the 5th work step mould by cold headers built-in machines hands,
Built-in machines hands leaves reset automatically by interlinked mechanism, and blank, in the 5th work step mould, is back and forth transported by cold headers heading
Dynamic stroke carries out the blind hole of extrusion molding gold utensil pedestal one end to requiring, the push rod in the 5th work step mould is the gold utensil base shaped
Material ejects；
6) such as Figure 24-26, the gold utensil blank of the 5th work step mold ejection falls under gravity into automatic feed mechanism the most certainly
The dynamic middle screw plate feed end being input to thread rolling machine, blank is threaded into requirement by the motion stranding processing gold utensil of thread rolling machine, this
Time;Completing whole flow process of precision form processing technique of gold utensil (steel foot), gold utensil finished product falls under gravity into finished product work
In the utensil basket of position, send matting.
Figure 22-23, Fig. 1-4, described blanking die includes that upper die head, lower mold, described upper die head are circle with the level
Mast shape, one end body of rod of major diameter is tightly fixed on upper bolster, the center of one end alignment lower mold of minor diameter, institute
The lower mold stated includes core rod 1, core rod mounting flange set 2, die shoe 3, and (die shoe 3 is an entirety, and five station lower mold are all
Be fixed on this die shoe 3) described in core rod 1 be cylindrical shape, core rod 1 body center has two
Diameter becomes the circular hole of step shape, and core rod 1 major diameter round hole one end faces toward upper die head, and minor diameter circular hole one end faces toward discharging push rod
Position is installed, and one end cylindrical of core rod 1 major diameter round hole is provided with a step seam, the shape of described core rod mounting flange set 2
Shape be square flange and cylinder of holster structure integral, four angles of square flange are provided with four counter sinks, in flange
Heart position is provided with the through hole of a band seam, and the through hole of band seam moves to coordinate with the step seam on the cylindrical of core rod one end and matches, and uses
Core rod 1, through four counterbores of square flange, is pressed abd fixed on die shoe 3 by four countersunk head hexagon socket head cap screws.
Figure 22-23, Fig. 5-8, the second described work step mould includes that upper die head, lower mold, described upper die head are band platform
The cylindrical rod shape on rank, one end of major diameter is tightly fixed on upper bolster, and described lower mold includes outside core rod 4, core rod
Set 5, core rod mounting flange set 6 and die shoe 3, described core rod 4 becomes the conical cylinder shape of the conical surface for cylindrical, in core rod 4
Heart position have respectively two not equal diameter become the circular hole of step shape, major diameter round hole one end faces toward upper die head, minor diameter circular hole
One end is installed facing to discharging push rod position；Described core rod overcoat 5 is cylindrical sleeve shape, and cylinder body center is opened respectively
There are a bellmouth and a cylindrical hole slightly larger than bellmouth diameter at butt end, form a small stair at holes intersection；Mould
The bellmouth conical surface diameter of core overcoat 5 closely cooperates with core rod male cone (strobilus masculinus)；At core rod overcoat 5 tapered centre hole minor diameter one
The external cylindrical surface of end is provided with a step seam；
Described core rod mounting flange set 6 be shaped as square flange and cylinder of holster structure is integral, the four of square flange
Individual angle is provided with four counter sinks, and flange center position is provided with the through hole of a band seam, the through hole of band seam and core rod overcoat one
Step seam on end cylindrical moves cooperation and matches, and passes four counterbores of square flange with four countersunk head hexagon socket head cap screws, will
Core rod 4, core rod overcoat 5 are pressed abd fixed on die shoe 3.
Figure 22-23, Fig. 9-12, the 3rd described work step mould includes that upper die head, lower mold, described upper die head are cylinder
Rod-shape, center have two not equal diameter become the circular hole of step shape, minor diameter oral area is bell mouth shape, the most directly
Being tightly fixed on upper bolster outside the one end in footpath, described lower mold includes core rod 7, core rod overcoat 8, core rod mounting flange
Set 9 and die shoe 3, described core rod 7 becomes the conical cylinder shape of the conical surface for cylindrical, and the center of core rod 7 has two respectively
Equal diameter does not becomes the circular hole of step shape, two not equal diameter become between the circular hole of step shape by bellmouth connect transition and
Bellmouth forms a small stair with small diameter bore junction, and major diameter round hole one end faces toward upper die head, minor diameter circular hole one end
Install facing to discharging push rod position；Described core rod overcoat 8 is cylindrical sleeve shape, and cylinder body center has one
Individual bellmouth and a cylindrical hole slightly larger than bellmouth diameter at butt end, form a small stair at holes intersection；Outside core rod
The bellmouth conical surface diameter of set 8 closely cooperates with core rod 7 male cone (strobilus masculinus)；In minor diameter one end, core rod overcoat 8 tapered centre hole
External cylindrical surface be provided with a step seam；Described core rod mounting flange set 9 be shaped as square flange and cylinder of holster structure
Integral, four angles of square flange are provided with four counter sinks, and flange center position is provided with the through hole of a band seam, band
The through hole of seam moves to coordinate with the step seam on the cylindrical of core rod overcoat one end and matches, with four countersunk head hexagon socket head cap screws through four
Four counterbores of square flange, are pressed abd fixed on core rod 7, core rod overcoat 8 on die shoe 3.
Figure 22-23, Figure 13-16, the 4th described work step mould includes upper die head, lower mold, and described upper die head is band
The cylindrical rod shape of step, one end of major diameter is tightly fixed on upper bolster, and described lower mold includes core rod 10, core rod
Overcoat 11, core rod mounting flange set 12 and die shoe 3, described core rod 10 becomes the conical cylinder shape of the conical surface, core rod for cylindrical
The center of 10 have respectively two not equal diameter become the circular hole of step shape, two not equal diameter become the circular hole of step shape
Junction forms a small stair, and major diameter round hole one end faces toward upper die head, and minor diameter circular hole one end faces toward discharging push rod position
Install；Described core rod overcoat 11 is cylindrical sleeve shape, and cylinder body center has a bellmouth and one
Slightly larger than the cylindrical hole of bellmouth diameter at butt end, form a small stair at holes intersection；The bellmouth cone of core rod overcoat 11
Face diameter closely cooperates with core rod 10 male cone (strobilus masculinus)；On the external cylindrical surface of minor diameter one end, core rod overcoat 11 tapered centre hole
It is provided with a step seam；Described core rod mounting flange set 12 be shaped as square flange and cylinder of holster structure is integral, four
Four angles of square flange are provided with four counter sinks, and flange center position is provided with the through hole of a band seam, the through hole of band seam
Move to coordinate with the step seam on the cylindrical of core rod overcoat 11 one end and match, with four countersunk head hexagon socket head cap screws through square flange
Four counterbores, core rod 10, core rod overcoat 11 are pressed abd fixed on die shoe 3.
Figure 22-23, Figure 17-21, the 5th described work step mould includes upper die head, lower mold, and described upper die head is band
The cylindrical rod shape of step, one end of major diameter is tightly fixed on upper bolster, and described lower mold includes core rod 13, core rod
Overcoat 14, core rod mounting flange set 15 and die shoe 3, described core rod 13 becomes the conical cylinder shape of the conical surface, core rod for cylindrical
The center of 13 have respectively two not equal diameter become the circular hole of step shape, two not equal diameter become the circular hole of step shape
Junction forms a small stair, and near minor diameter position, internal both sides are designed with boss, major diameter round hole one to major diameter round hole
End is installed facing to upper die head, minor diameter circular hole one end facing to discharging push rod position；Described core rod overcoat 14 is the cylindrical sleeve bodily form
Shape, cylinder body center has a bellmouth and a cylindrical hole slightly larger than bellmouth diameter at butt end, two
Hole intersection forms a small stair；The bellmouth conical surface diameter of core rod overcoat 14 closely cooperates with core rod 13 male cone (strobilus masculinus)；
The external cylindrical surface of minor diameter one end, core rod overcoat 14 tapered centre hole is provided with a step seam；Described core rod mounting flange set
15 be shaped as square flange and cylinder of holster structure is integral, four angles of square flange are provided with four counter sinks,
Flange center position is provided with the through hole of a band seam, and the through hole of band seam is dynamic with the step seam on the cylindrical of core rod overcoat one end joins
Conjunction matches, and with four countersunk head hexagon socket head cap screws through four counterbores of square flange, compresses solid by core rod 13, core rod overcoat 14
It is scheduled on die shoe 3.
All core rods are all made with Hardmetal materials.
Described composite insulator hardware includes threaded screw rod, the bearing body of band blind hole, and bearing body periphery both sides are designed
Tightening chuck, threaded screw rod is contained in the bearing body lower end of band blind hole.
Claims (8)
1. precise forming process of composite insulator lower end gold utensil, it is characterised in that following production stage:
1) first dish unit Steel material is transported to cold headers charging aperture, cold headers self-feeding roller steel material is delivered to blanking die
In, by cold headers heading move back and forth stroke automatically cut off designing the material base needing length, after by the top in blanking die
The blank of cut-out is ejected by bar；
2) blank cut off is delivered in the second work step mould by cold headers built-in machines hands, and built-in machines hands passes through interlinked mechanism
Automatically leaving reset, the blank of cut-out moves back and forth stroke by cold headers heading in the second work step mould and carries out cold-heading extruding
Drawing-down gold utensil thread rod part is to requiring, blank is ejected by the push rod of the second work step mould；
3) blank of the second work step mold ejection is delivered in the 3rd work step mould by cold headers built-in machines hands, built-in machines
Hands leaves reset automatically by interlinked mechanism, and blank moves back and forth stroke by cold headers heading in the 3rd work step mould to be carried out
Extruding pedestal position, jumping-up gold utensil one end is to requiring, the 3rd work step ejector pin of die set ejects the gold utensil blank of upsetting formation；
4) blank of the 3rd work step mold ejection is delivered in the 4th work step mould by cold headers built-in machines hands, built-in machine
Tool hands leaves reset automatically by interlinked mechanism, and blank, in the 4th work step mould, moves back and forth stroke by cold headers heading
Carry out extruding dual-side chuck on the chamfering in gold utensil hole peristoma portion and pedestal periphery and be shaped to requirement, the 4th work step mould
Push rod ejects the blank of extrusion molding blind hole；
5) blank of the 4th work step mold ejection is delivered in the 5th work step mould by cold headers built-in machines hands, built-in machines
Hands leaves reset automatically by interlinked mechanism, and blank, in the 5th work step mould, moves back and forth stroke by cold headers heading and enters
The blind hole of row extrusion molding gold utensil pedestal one end is to requiring, the push rod in the 5th work step mould ejects the gold utensil blank shaped；
6) the gold utensil blank of the 5th work step mold ejection falls under gravity into automatic feed mechanism and is automatically entered into stranding
The middle screw plate feed end of silk machine, blank is threaded into requirement, now by the motion stranding processing gold utensil of thread rolling machine;Complete gold utensil
Whole flow process of precision form processing technique, gold utensil finished product falls under gravity in finished product working position apparatus basket, send cleaning
Operation.
Composite insulator lower end the most according to claim 1 precise forming process of gold utensil, it is characterized in that described under
Material mould includes that upper die head, lower mold, described upper die head are cylindrical rod shape with the level, one end body of rod tight fit of major diameter
Being fixed on upper bolster, the center of one end alignment lower mold of minor diameter, described lower mold includes core rod, core rod mounting flange
Set, die shoe, described core rod is cylindrical shape, core rod center have two not equal diameter become step shape
Circular hole, core rod major diameter round hole one end faces toward upper die head, and minor diameter circular hole one end is installed facing to discharging push rod position, and core rod is the most straight
One end cylindrical of footpath circular hole is provided with a step seam, and what described core rod mounting flange overlapped is shaped as square flange and circle
Cylinder set structure is integral, and four angles of square flange are provided with four counter sinks, and flange center position is provided with a band seam
Through hole, the through hole of band seam moves to coordinate with the step seam on the cylindrical of core rod one end and matches, with four countersunk head hexagon socket head cap screws
Through four counterbores of square flange, core rod is pressed abd fixed on die shoe.
Composite insulator lower end the most according to claim 1 precise forming technique of gold utensil, is characterized in that described
Two work step moulds include that upper die head, lower mold, described upper die head are cylindrical rod shape with the level, one end close-fitting of major diameter
Conjunction is fixed on upper bolster, and described lower mold includes core rod, core rod overcoat, core rod mounting flange set and die shoe, described
Core rod is the conical cylinder shape that cylindrical becomes the conical surface, the center of core rod have respectively two not equal diameter become the circle of step shape
Hole, major diameter round hole one end faces toward upper die head, and minor diameter circular hole one end is installed facing to discharging push rod position；Described core rod overcoat
For cylindrical sleeve shape, cylinder body center has a bellmouth and one slightly larger than bellmouth diameter at butt end
Cylindrical hole, forms a small stair at holes intersection；The bellmouth conical surface diameter of core rod overcoat is tight with core rod male cone (strobilus masculinus)
Close fit；The external cylindrical surface of minor diameter one end, core rod overcoat tapered centre hole is provided with a step seam；Described core rod is fixed
Flange sleeve be shaped as square flange and cylinder of holster structure is integral, four angles of square flange are provided with four countersunk heads
Hole, flange center position is provided with the through hole of a band seam, the through hole of band seam and the step seam on the cylindrical of core rod overcoat one end
Dynamic cooperation matches, and with four countersunk head hexagon socket head cap screws through four counterbores of square flange, compresses solid by core rod, core rod overcoat
It is scheduled on die shoe.
Composite insulator lower end the most according to claim 1 precise forming technique of gold utensil, is characterized in that described
Three work step moulds include that upper die head, lower mold, described upper die head are cylindrical rod shape, and center has two
Diameter becomes the circular hole of step shape, minor diameter oral area to be bell mouth shape, is tightly fixed at upper bolster outside one end of major diameter
On, described lower mold includes core rod, core rod overcoat, core rod mounting flange set and die shoe, and described core rod is that cylindrical becomes cone
The conical cylinder shape in face, the center of core rod have respectively two not equal diameter become the circular hole of step shape, two are not waited straight
Connect transition and bellmouth by bellmouth between the circular hole of footpath one-tenth step shape and form one little with small diameter bore junction
Rank, major diameter round hole one end faces toward upper die head, and minor diameter circular hole one end is installed facing to discharging push rod position；Described core rod overcoat
For cylindrical sleeve shape, cylinder body center has a bellmouth and one slightly larger than bellmouth diameter at butt end
Cylindrical hole, forms a small stair at holes intersection；The bellmouth conical surface diameter of core rod overcoat is tight with core rod male cone (strobilus masculinus)
Close fit；The external cylindrical surface of minor diameter one end, core rod overcoat tapered centre hole is provided with a step seam；Described core rod is fixed
Flange sleeve be shaped as square flange and cylinder of holster structure is integral, four angles of square flange are provided with four countersunk heads
Hole, flange center position is provided with the through hole of a band seam, the through hole of band seam and the step seam on the cylindrical of core rod overcoat one end
Dynamic cooperation matches, and with four countersunk head hexagon socket head cap screws through four counterbores of square flange, compresses solid by core rod, core rod overcoat
It is scheduled on die shoe.
Composite insulator lower end the most according to claim 1 precise forming technique of gold utensil, is characterized in that described
Four work step moulds include that upper die head, lower mold, described upper die head are cylindrical rod shape with the level, one end close-fitting of major diameter
Conjunction is fixed on upper bolster, and described lower mold includes core rod, core rod overcoat, core rod mounting flange set and die shoe, described
Core rod is the conical cylinder shape that cylindrical becomes the conical surface, the center of core rod have respectively two not equal diameter become the circle of step shape
Hole, two not equal diameter become step shape circular hole junction formed a small stair, major diameter round hole one end face toward upper mold
Head, minor diameter circular hole one end is installed facing to discharging push rod position；Described core rod overcoat is cylindrical sleeve shape, in cylinder body
Heart position has a bellmouth and a cylindrical hole slightly larger than bellmouth diameter at butt end, forms one at holes intersection
Individual small stair；The bellmouth conical surface diameter of core rod overcoat closely cooperates with core rod male cone (strobilus masculinus)；At core rod overcoat tapered centre
The external cylindrical surface of minor diameter one end, hole is provided with a step seam；Described core rod mounting flange set be shaped as square flange and
Cylinder of holster structure is integral, and four angles of square flange are provided with four counter sinks, and flange center position is only provided with a band
Mouthful through hole, the through hole of band seam moves to coordinate with the step seam on the cylindrical of core rod overcoat one end and matches, with in four countersunk heads six
Core rod, core rod overcoat, through four counterbores of square flange, are pressed abd fixed on die shoe by corner bolt.
Composite insulator lower end the most according to claim 1 precise forming technique of gold utensil, is characterized in that described
Five work step moulds include that upper die head, lower mold, described upper die head are cylindrical rod shape with the level, one end close-fitting of major diameter
Conjunction is fixed on upper bolster, and described lower mold includes core rod, core rod overcoat, core rod mounting flange set and die shoe, described
Core rod is the conical cylinder shape that cylindrical becomes the conical surface, the center of core rod have respectively two not equal diameter become the circle of step shape
Hole, two not equal diameter become step shape circular hole junction formed a small stair, major diameter round hole is near minor diameter position
Putting internal both sides and be designed with boss, major diameter round hole one end faces toward upper die head, and minor diameter circular hole one end faces toward discharging push rod position
Install；Described core rod overcoat is cylindrical sleeve shape, and cylinder body center has a bellmouth and one slightly
More than the cylindrical hole of bellmouth diameter at butt end, form a small stair at holes intersection；The bellmouth conical surface of core rod overcoat is straight
Footpath size closely cooperates with core rod male cone (strobilus masculinus)；The external cylindrical surface of minor diameter one end, core rod overcoat tapered centre hole is provided with one
Rank seam；Described core rod mounting flange set be shaped as square flange and cylinder of holster structure is integral, square flange
Four angles are provided with four counter sinks, and flange center position is provided with the through hole of a band seam, the through hole of band seam and core rod overcoat
Step seam on the cylindrical of one end moves cooperation and matches, and passes four counterbores of square flange with four countersunk head hexagon socket head cap screws,
Core rod, core rod overcoat are pressed abd fixed on die shoe.
7., according to the composite insulator lower end gold utensil one-shot forming technique described in Claims 2 or 3 or 4 or 5 or 6, it is characterized in that
All core rods are all made with Hardmetal materials.
Composite insulator lower end the most according to claim 1 gold utensil one-shot forming technique, is characterized in that described being combined absolutely
Edge interest tool includes threaded screw rod, the bearing body of band blind hole, and bearing body periphery both sides are designed with tightens chuck, and threaded screw rod fills
Bearing body lower end in band blind hole.
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| CN201610496905.1A CN105964847B (en) | 2016-06-30 | 2016-06-30 | Precise forming process of composite insulator lower end gold utensil |
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| CN201610496905.1A CN105964847B (en) | 2016-06-30 | 2016-06-30 | Precise forming process of composite insulator lower end gold utensil |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106378632A (en) * | 2016-10-19 | 2017-02-08 | 扬州星月燃油喷射有限公司 | Precise forming mechanism of oil pump oil mouth plunger sleeve |
| CN107344281A (en) * | 2017-06-27 | 2017-11-14 | 重庆市金渝管道设备有限公司 | A kind of processing technology of agricultural mill general purpose accessory |
| CN112536413A (en) * | 2020-11-02 | 2021-03-23 | 无锡昌至盛机械制造有限公司 | Integrated production process of lower end hardware fitting and forging die thereof |
| CN112863789A (en) * | 2021-02-08 | 2021-05-28 | 江苏天南电力股份有限公司 | High-strength, high-toughness and corrosion-resistant aluminum alloy end fitting for post insulator and forging die thereof |
| CN113578993A (en) * | 2021-08-13 | 2021-11-02 | 常州市胜彪标准件模具有限公司 | Pressure regulating valve processing technological method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130276299A1 (en) * | 2012-04-18 | 2013-10-24 | Ford Global Technologies, Llc | Clamping and Heating Apparatus For Joining Tools |
| WO2015075964A1 (en) * | 2013-11-22 | 2015-05-28 | ニューフレイ リミテッド ライアビリティ カンパニー | Joining device and joining method |
| CN204545291U (en) * | 2015-04-09 | 2015-08-12 | 河南经纬电力科技股份有限公司 | A kind of used in composite insulator cap nest metal-ware forging molding mould |
| CN105006309A (en) * | 2015-07-23 | 2015-10-28 | 江苏南瓷绝缘子股份有限公司 | Ceramic composite post insulator and preparation method thereof |
-
2016
- 2016-06-30 CN CN201610496905.1A patent/CN105964847B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130276299A1 (en) * | 2012-04-18 | 2013-10-24 | Ford Global Technologies, Llc | Clamping and Heating Apparatus For Joining Tools |
| WO2015075964A1 (en) * | 2013-11-22 | 2015-05-28 | ニューフレイ リミテッド ライアビリティ カンパニー | Joining device and joining method |
| CN204545291U (en) * | 2015-04-09 | 2015-08-12 | 河南经纬电力科技股份有限公司 | A kind of used in composite insulator cap nest metal-ware forging molding mould |
| CN105006309A (en) * | 2015-07-23 | 2015-10-28 | 江苏南瓷绝缘子股份有限公司 | Ceramic composite post insulator and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106378632A (en) * | 2016-10-19 | 2017-02-08 | 扬州星月燃油喷射有限公司 | Precise forming mechanism of oil pump oil mouth plunger sleeve |
| CN107344281A (en) * | 2017-06-27 | 2017-11-14 | 重庆市金渝管道设备有限公司 | A kind of processing technology of agricultural mill general purpose accessory |
| CN112536413A (en) * | 2020-11-02 | 2021-03-23 | 无锡昌至盛机械制造有限公司 | Integrated production process of lower end hardware fitting and forging die thereof |
| CN112863789A (en) * | 2021-02-08 | 2021-05-28 | 江苏天南电力股份有限公司 | High-strength, high-toughness and corrosion-resistant aluminum alloy end fitting for post insulator and forging die thereof |
| CN113578993A (en) * | 2021-08-13 | 2021-11-02 | 常州市胜彪标准件模具有限公司 | Pressure regulating valve processing technological method |
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|---|---|
| CN105964847B (en) | 2018-03-02 |
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