CN202137217U - Single male die double open horizontal-type concentric incomplete filling hollow bent pipe extrusion molding device - Google Patents
Single male die double open horizontal-type concentric incomplete filling hollow bent pipe extrusion molding device Download PDFInfo
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- CN202137217U CN202137217U CN201120104644U CN201120104644U CN202137217U CN 202137217 U CN202137217 U CN 202137217U CN 201120104644 U CN201120104644 U CN 201120104644U CN 201120104644 U CN201120104644 U CN 201120104644U CN 202137217 U CN202137217 U CN 202137217U
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- backboard
- back seat
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Abstract
A single male die double open horizontal-type concentric incomplete filling hollow bent pipe extrusion molding device comprises a base part, a die part, a guide part and a power part; the base part comprises a base frame, a seat, a front board, a back board, a back seat, a male die ejector pin retaining plate and a hydraulic press connecting plate; the guide part comprises guide posts A and B; the upper die and the lower die of the die part form a female die through guide pins and guide sleeves, and the female die can be opened upward or downward, so material can be conveniently put; the power part comprises hydraulic presses A and B, the hydraulic press A pushes the hydraulic press connecting plate, the male die ejector pin pushes the male die to extrude billet to form a bent pipe, and the hydraulic press B pushes the rear board to drive a central spindle to move so as to reach the purpose of core-pulling. The utility model has the advantages that in the device, the female die and the male die of the die part adopt concentric incomplete filling structural design, pipe bending products are extruded and produced through the control of incomplete filling width, the device is reasonable in structure and simple in process, the pipe bending product processed by the utility model is even on the wall thickness, has no crinkles, has no distortion on the cross section, and is reliable in quality, so the utility model has wide application prospect.
Description
(1) technical field
The utility model relates to the technology of preparing of pipe bending part, and particularly a kind of single punch is two opens horizontal material hollow bent pipe extrusion forming device partially with one heart.
(2) background technology
Advantages such as extrudate has the structural strength height, and is in light weight, many occasion section bars need bend to certain curvature and use, like the lightweight frame structure of automobile, the manifold of engine etc.But in BENDING PROCESS, especially various defectives such as section deformation, wall thickness change, resilience can appear in hollow profile, and, after the blowing before the extruding and the extruding to get material all cumbersome, can't satisfy actual production to the hollow bent section needs of high-quality.
(3) utility model content
The purpose of the utility model is to above-mentioned existing problems; Provide that a kind of single punch is two opens horizontal material hollow bent pipe extrusion forming device partially with one heart; This apparatus structure is simple, convenient to operation, bend pipe extrusion modling reliable in quality, wall thickness is even and wrinkle resistant, cross section is undistorted.
The technical scheme of the utility model:
A kind of single punch is two opens horizontal material hollow bent pipe extrusion forming device partially with one heart, comprises base part, mould part, targeting part and power section, and base part comprises underframe, base, front apron, backboard, back seat, punch ejector pin retaining plate and hydraulic press connecting plate; Base, front apron, backboard and back seat are fixed with underframe respectively; Front apron is a square plate, and its center is provided with circular discharging opening, and the punch ejector pin retaining plate is the identical plectane of diameter with the hydraulic press connecting plate and is fixedly connected through screw; Back seat is the matrix cylinder; Its end face is provided with centre bore, and the groove barrel of punch ejector pin retaining plate and hydraulic press connecting plate and back seat is a matched in clearance, is respectively equipped with four lead A through holes on back seat, backboard and the front apron; Be respectively equipped with two lead B through holes on punch ejector pin retaining plate, hydraulic press connecting plate and the backboard; Backboard is provided with two semilune through holes, and the backboard bottom also is provided with outstanding semicircle platform, and the semicircle platform is provided with circular hole; Targeting part comprises lead A and lead B; Lead A is four and passes four through holes on back seat, backboard and the front apron respectively; The two ends of lead A are fixed with back seat and front apron respectively; Lead B is two and pass two through holes on hydraulic press connecting plate, punch ejector pin retaining plate and the backboard respectively, and an end and the back seat of lead B are fixed, and the other end is fixed through nut and backboard and fixed through end thread and base; Mould part comprises die, punch, mandrel and punch push rod, and die is made up of counterdie and patrix, and counterdie is provided with four guide pillars; Counterdie and base are that oat tail groove structure is connected and fixes through screw and base, and patrix is provided with four guide pillar holes, and guide pillar is provided with guide pin bushing in the hole; Guide pin bushing and guide pillar hole interference fit, four guide pin bushings of patrix cooperate the formation die with four guide pillars of counterdie, the discharge end of die is provided with 45 °～60 ° tapering; Punch is most circular cylinders, and the external diameter of punch is identical with the internal diameter of die, and punch is arranged at the import department of die; The end face of punch is pressed on the blank that places in the die; The cross sectional shape of blank is identical with punch, and the width of its round mostly part of material partially is 0～0.5 of an axle diameter, and mandrel is the T-shaped oblique crank Z that is provided with circular end plate; The circular end plate of mandrel is pressed and is embedded in the backboard; The other end of mandrel is positioned at die conical outlet place, and the circular end plate of mandrel is provided with two semilune through holes, four center lines unification of die, punch, blank and mandrel and do not have offset distance; The punch push rod is two half-round rod, and an end of punch push rod and punch ejector pin retaining plate are fixed and passed two semilune through holes on backboard and the mandrel and be resisted against on the punch; Power section comprises hydraulic press A and hydraulic press B; Hydraulic press A fixes through screw and back seat; The stopper head of hydraulic press A passes the centre bore on the back seat end face and fixes through screw and hydraulic press connecting plate; Hydraulic press B fixes through screw and base, and the circular hole on the stopper head of hydraulic press B and the backboard semicircle platform is fixed.
The operation principle of the utility model:
The utility model is through expecting partially that with one heart extrusion forming device is with the metal stock extrusion modling; Exert pressure when hydraulic press and to act on the punch; Blank produces plastic deformation under the effect of punch, because blank is a dissymmetrical structure, blank is in the process that moves down; The flow field of blank is inhomogeneous, causes the imbalance of flow of die conical outlet place metal.Same horizontal cross-section, less than the point away from scarce material end, the material that the point that flow velocity is big is extruded at the die port is many near the flow velocity that lacks the point of expecting end, otherwise then lacks, and this will inevitably cause pipe fitting crooked to the little end of a flow velocity, and then obtains our needed bending pipe fitting.Through controlling the width that lacks material, can control the flow field of blank, thus the pipe bending part of differently curved angle of moulding and radius of curvature.
The utility model has the advantages that: in the extrusion forming device of pipe bending part, the die that the upper and lower mould of mould molding part is formed and punch, mandrel center line point-blank, easy to assembly being easy to of mould adjusted.Hydraulic press one travels forward and hydraulic press two moves backward through controlling; Can make the mould auto-closing, control hydraulic press one moves backward and hydraulic press two travels forward, and mould is opened automatically; Can open patrix then, so that place inclined to one side material and take out the clout after having tested.
(4) description of drawings
Fig. 1 is this apparatus structure sketch map.
Fig. 2 is this device vertical view.
Fig. 3 is this device left view.
Fig. 4 is the patrix stereogram.
Fig. 5 is the counterdie stereogram.
Fig. 6 is the punch stereogram.
Fig. 7 is the backboard stereogram.
Fig. 8 is the mandrel stereogram.
Among the figure: 1. hydraulic press A 2. screws 3. screws 4. back seats 5. hydraulic press connecting plates 6. screws 7. punch ejector pin retaining plates 8. punch push rods 9. lead A10. backboards 11. punch 12. patrixes 13. blanks 14. guide pin bushings 15. front aprons 16. mandrels 17. counterdies 18. bases 19. screws 20. hydraulic press B 21. underframe 22. screws 23. nuts 24. lead B
(5) specific embodiment
Embodiment:
A kind of single punch is two opens horizontal material hollow bent pipe extrusion forming device partially with one heart; Comprise base part, mould part, targeting part and power section; Base part comprises underframe (21), base (18), front apron (15), backboard (10), back seat (4), punch ejector pin retaining plate (7) and hydraulic press connecting plate (5), and base (18), front apron (15), backboard (10) and back seat (4) are fixing with underframe (21) respectively, and front apron (15) is a square plate; Its center is provided with circular discharging opening; Punch ejector pin retaining plate (7) also is fixedly connected through screw (6) for the identical plectane of diameter with hydraulic press connecting plate (5), and back seat (4) is the matrix cylinder, and its end face is provided with centre bore; Punch ejector pin retaining plate (7) and hydraulic press connecting plate (5) are matched in clearance with the groove barrel of back seat (4); Be respectively equipped with four lead A (9) through hole on back seat (4), backboard (10) and the front apron (15), be respectively equipped with two lead B (24) through hole on punch ejector pin retaining plate (7), hydraulic press connecting plate (5) and the backboard (10), backboard (10) is provided with two semilune through holes; Backboard (10) bottom also is provided with outstanding semicircle platform, and the semicircle platform is provided with circular hole;
Targeting part comprises lead A (9) and lead B (24); Lead A is four and passes four through holes on back seat (4), backboard (10) and the front apron (15) respectively; The two ends of lead A are fixing with back seat (4) and front apron (15) respectively; Lead B (24) is that two and two through holes passing respectively on hydraulic press connecting plate (5), punch ejector pin retaining plate (7) and the backboard (10) can accurately be located when guaranteeing that backboard (10) moves under hydraulic press B (20) effect; The end of lead B (24) and back seat (4) are fixing, and the other end is fixing and fix with assurance hydraulic press connecting plate (5) and punch ejector pin retaining plate (7) through end thread and base (18) and can drive punch push rod (8) correct guidance and not deflecting when moving forward through nut (23) and backboard (10);
Mould part comprises die, punch (11), mandrel (16) and punch push rod (8), and die is made up of counterdie (17) and patrix (12), and counterdie (17) is provided with four guide pillars; Counterdie (17) is connected for oat tail groove structure with base (18) and is fixing through screw (22) and base (18), and patrix (12) is provided with four guide pillar holes, is provided with guide pin bushing (14) in the guide pillar hole; Guide pin bushing (14) and guide pillar hole interference fit; Four guide pin bushings (14) of patrix (12) cooperate the formation die with four guide pillars of counterdie (17), the discharge end of die is provided with 45 ° tapering, and punch (11) is most circular cylinders; The external diameter of punch (11) is identical with the internal diameter of die; Punch (11) is arranged at the import department of die, and the end face of punch (11) is pressed on the blank (13) that places in the die, and the cross sectional shape of blank (13) is identical with punch (11); The width of its round mostly part of material partially is 0.5 of mandrel (a 16) diameter; Mandrel (16) is for being provided with the T-shaped oblique crank Z of circular end plate, and the circular end plate of mandrel (16) is pressed and is embedded in the backboard (10), and the other end of mandrel (16) is positioned at die conical outlet place; The circular end plate of mandrel (16) is provided with two semilune through holes; Four center lines unification of die, punch (11), blank (13) and mandrel (16) and do not have offset distance, punch push rod (8) is two half-round rod, an end of punch push rod (8) and punch ejector pin retaining plate (7) are fixed and are passed two semilune through holes on backboard (10) and the mandrel (16) and be resisted against on the punch (12);
Power section comprises hydraulic press A (1) and hydraulic press B (20), and hydraulic press A (1) is the flange form hydraulic press, and hydraulic press B (20) is the horizontal hydraulic machine of " worker " font; Hydraulic press A (1) is fixing through screw (3) and back seat (4); The stopper head of hydraulic press A (1) passes the centre bore on back seat (4) end face and travels forward with punch ejector pin retaining plate (7) to promote hydraulic press connecting plate (5) through screw (2) and hydraulic press connecting plate (5) are fixing, and then drives punch push rod (8) and promote punch (11), extrusion billet (13) formation bend pipe; Hydraulic press B (20) is fixing through screw (19) and base (18); Circular hole on the stopper head of hydraulic press B (20) and backboard (10) the semicircle platform is fixed, and moves backward to promote backboard (10), moves backward thereby drive mandrel (16); Open patrix (12) then, reach the purpose of taking out clout.
Claims (1)
1. a single punch is two opens horizontal material hollow bent pipe extrusion forming device partially with one heart, and it is characterized in that: comprise base part, mould part, targeting part and power section, base part comprises underframe, base, front apron, backboard, back seat, punch ejector pin retaining plate and hydraulic press connecting plate; Base, front apron, backboard and back seat are fixed with underframe respectively; Front apron is a square plate, and its center is provided with circular discharging opening, and the punch ejector pin retaining plate is the identical plectane of diameter with the hydraulic press connecting plate and is fixedly connected through screw; Back seat is the matrix cylinder; Its end face is provided with centre bore, and the groove barrel of punch ejector pin retaining plate and hydraulic press connecting plate and back seat is a matched in clearance, is respectively equipped with four lead A through holes on back seat, backboard and the front apron; Be respectively equipped with two lead B through holes on punch ejector pin retaining plate, hydraulic press connecting plate and the backboard; Backboard is provided with two semilune through holes, and the backboard bottom also is provided with outstanding semicircle platform, and the semicircle platform is provided with circular hole; Targeting part comprises lead A and lead B; Lead A is four and passes four through holes on back seat, backboard and the front apron respectively; The two ends of lead A are fixed with back seat and front apron respectively; Lead B is two and pass two through holes on hydraulic press connecting plate, punch ejector pin retaining plate and the backboard respectively, and an end and the back seat of lead B are fixed, and the other end is fixed through nut and backboard and fixed through end thread and base; Mould part comprises die, punch, mandrel and punch push rod, and die is made up of counterdie and patrix, and counterdie is provided with four guide pillars; Counterdie and base are that oat tail groove structure is connected and fixes through screw and base, and patrix is provided with four guide pillar holes, and guide pillar is provided with guide pin bushing in the hole; Guide pin bushing and guide pillar hole interference fit, four guide pin bushings of patrix cooperate the formation die with four guide pillars of counterdie, the discharge end of die is provided with 45 °～60 ° tapering; Punch is most circular cylinders, and the external diameter of punch is identical with the internal diameter of die, and punch is arranged at the import department of die; The end face of punch is pressed on the blank that places in the die; The cross sectional shape of blank is identical with punch, and the width of its round mostly part of material partially is 0～0.5 of an axle diameter, and mandrel is the T-shaped oblique crank Z that is provided with circular end plate; The circular end plate of mandrel is pressed and is embedded in the backboard; The other end of mandrel is positioned at die conical outlet place, and the circular end plate of mandrel is provided with two semilune through holes, four center lines unification of die, punch, blank and mandrel and do not have offset distance; The punch push rod is two half-round rod, and an end of punch push rod and punch ejector pin retaining plate are fixed and passed two semilune through holes on backboard and the mandrel and be resisted against on the punch; Power section comprises hydraulic press A and hydraulic press B; Hydraulic press A fixes through screw and back seat; The stopper head of hydraulic press A passes the centre bore on the back seat end face and fixes through screw and hydraulic press connecting plate; Hydraulic press B fixes through screw and base, and the circular hole on the stopper head of hydraulic press B and the backboard semicircle platform is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120104644U CN202137217U (en) | 2011-04-12 | 2011-04-12 | Single male die double open horizontal-type concentric incomplete filling hollow bent pipe extrusion molding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120104644U CN202137217U (en) | 2011-04-12 | 2011-04-12 | Single male die double open horizontal-type concentric incomplete filling hollow bent pipe extrusion molding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202137217U true CN202137217U (en) | 2012-02-08 |
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ID=45548296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120104644U Expired - Fee Related CN202137217U (en) | 2011-04-12 | 2011-04-12 | Single male die double open horizontal-type concentric incomplete filling hollow bent pipe extrusion molding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202137217U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909125A (en) * | 2014-04-03 | 2014-07-09 | 南京航空航天大学 | Brake and extrusion forming method for iso-wall-thickness elbows |
-
2011
- 2011-04-12 CN CN201120104644U patent/CN202137217U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909125A (en) * | 2014-04-03 | 2014-07-09 | 南京航空航天大学 | Brake and extrusion forming method for iso-wall-thickness elbows |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20140412 |