CN200963642Y - Cold extrusion device for extruding round pipe to pipe-shape component - Google Patents
Cold extrusion device for extruding round pipe to pipe-shape component Download PDFInfo
- Publication number
- CN200963642Y CN200963642Y CN 200620111688 CN200620111688U CN200963642Y CN 200963642 Y CN200963642 Y CN 200963642Y CN 200620111688 CN200620111688 CN 200620111688 CN 200620111688 U CN200620111688 U CN 200620111688U CN 200963642 Y CN200963642 Y CN 200963642Y
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- mould
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- pipe
- counterdie
- tubular member
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Abstract
The utility model discloses a cold extrusion device for extruding a circular pipe to a pipe component, which comprises a fluid-pressure engine having an upper oil cylinder and a lower oil cylinder, and a mould which comprises a press head, a middle mould and a lower mould, a flanged disc of the press head is connected fixedly with a piston of the upper oil cylinder of the fluid-pressure engine, a mould core is arranged coaxially at the lower end of the press head, the shape and size of the mould core is the same with those of the outer of the pipe component; the lower end of the middle mould is connected with the lower mould, and the lower mould is arranged on a supporting plate; in the center of the middle mould is arranged a form cavity, and the shape and size of the form cavity are the same with those of the outer of the pipe component; a push plate is arranged below the supporting plate, which is connected fixedly with the piston of the lower oil cylinder of the fluid-pressure engine, and a push pole is arranged on the push plate, which transverses the supporting plate, and the lower mould is arranged in the lower part of the middle mould. The utility model has a reasonably designed structure, and can extrude a circular pipe to a pipe component directly, and has less processing steps and low processing cost, and is suitable for the producing and forming of a plurality of pipe components, and the compactness of the product metal is high and the size accuracy of the forming is high.
Description
Technical field the utility model relates to a kind of cold extrusion device, particularly a kind of cold extrusion device that pipe is squeezed into tubular member.
Background technology is when producing tubular member, generally be to carry out turning processing with lathe, if the head of tubular member has the shape different with the stage casing, then want earlier head is forged or cold extrusion shaped after again it is carried out turning processing, such as the processing motorcycle head tube; If tubular member be taper want earlier steel pipe to be forged or cold extrusion tapered, again it is carried out turning processing, such as processing motorcycle direction conical riser; Though the method that adopts cold extrusion to produce the motorcycle direction conical riser is also arranged, but still need elder generation that the steel pipe cold extrusion is tapered, and then extrusion molding.Employing forges the mode of back turning processing, and waste energy, waste metal material, environment is polluted, and also the processing cost height, the product interior quality after the processing is poor, and machining accuracy also is difficult to guarantee.Adopt the cold-stamped mode, still need elder generation that the steel pipe cold extrusion is tapered, and then extrusion molding, many procedures.
The summary of the invention the purpose of this utility model is exactly at the deficiencies in the prior art, provides a kind of manufacturing procedure few, and processing cost is low, the compactness height of resultant metal, and the dimensional accuracy height of moulding directly is squeezed into pipe the cold extrusion device of tubular member.
For achieving the above object, the utility model adopts following technical scheme:
A kind of cold extrusion device that pipe is squeezed into tubular member, comprise hydraulic press and mould with upper and lower oil cylinder, described mould is made up of pressure head, middle mould, counterdie, the ring flange of pressure head is fixedlyed connected with the piston of hydraulic press upper cylinder, the lower end of pressure head is coaxial is provided with core rod, and the geomery of core rod is identical with the geomery of tubular member inside; The lower end of middle mould connects counterdie, and counterdie places on the gripper shoe; In the circular depressed that is provided with by lower end separately of mould, counterdie and following one deck mould separately the round boss that is provided with of upper end cooperate and interconnect, and be fixed on the gripper shoe by screw rod by flange connecting on the round boss on the middle mould; The center of middle mould is the shape chamber, and the geomery in shape chamber is identical with the geomery of tubular member outside; Be provided with push pedal below the gripper shoe, the piston of oil cylinder is fixedlyed connected under push pedal and the hydraulic press, and push pedal is provided with push rod, and push rod passes the bottom that gripper shoe, counterdie place mould.Pressure head pushes pipe downwards, and core rod forms the geomery of tubular member inside, and the shape chamber forms the geomery of tubular member outside, and push rod ejects the shape chamber with product under the promotion of the piston of following oil cylinder, take off product.
The shape in described core rod, shape chamber is descending successively from top to bottom shape, and the push rod in the push pedal passes gripper shoe, counterdie, places bottom, mould shape chamber; Core rod, shape chamber, push rod are on same axis; Mould is 2～4 layers in described, and every circular depressed that is provided with by upper and lower side between two-layer is connected with the round boss that is provided with on following one deck.Sandwich construction is convenient to processing, and the processing of the length in mould shape chamber meets the requirements in making; Protruding, recessed being connected firmly between two-layer do not produce displacement.Nesting type structure also can be adopted in middle mould shape chamber, selects the metal material processing of high rigidity, improves service life, is convenient to change, reduce manufacturing cost.This structure is fit to production motorcycle direction conical riser form, and shape is descending successively from top to bottom tubular member.
The shape on described core rod, top, shape chamber is descending successively from top to bottom shape, the shape of core rod, bottom, shape chamber is ascending successively from top to bottom shape, core rod is descending, with the core rod ascending position that joins again be lower mold core, lower mold core is fixedly connected on the counterdie; The shape chamber of mould is the two lobe moulds that separate vertically in described, two lobe moulds close and after be combined into up big and down small taper type, in being nested in the mould frustum hole consistent with two lobe die topographies; Push rod in the push pedal is at least 3, passes gripper shoe, counterdie, is evenly distributed on the bottom of two lobe moulds.This structure be fit to be produced the motorcycle form of tubes, is shaped as the tubular member of descending ascending again shape.Push rod ejects two lobe moulds, and two lobe moulds separately can take off product, solved the tubular member extrusion modling of this kind shape after, the problem that can't take out.
Be connected with material guiding die by middle mould upper end round boss above the mould in described, the circular depressed of material guiding die bottom matches with middle mould upper end round boss, and the middle part of material guiding die is a guide chamber, and guide chamber and shape chamber are on same axis.Guide chamber is limited in pipe in the guide chamber, and pipe is not swung during extruding, guarantees the axiality of formed product and the uniformity of wall thickness.
The utility model is squeezed into the cold extrusion device of tubular member with pipe, and reasonable in design can directly be squeezed into tubular member with pipe, manufacturing procedure is few, and processing cost is low, is fit to the machine-shaping of multiple tubular member, the compactness height of resultant metal, the dimensional accuracy height of moulding.
Description of drawings
Fig. 1 be the utility model produce shape of product be descending successively from top to bottom, as the apparatus structure schematic diagram of motorcycle direction conical riser;
Fig. 2 is the structural representation of motorcycle direction conical riser;
Fig. 3 be the utility model figure utility model produce production be shaped as descending ascending again, as the apparatus structure schematic diagram of motorcycle form of tubes;
Fig. 4 is the structural representation of motorcycle head tube;
The specific embodiment is further described the utility model below in conjunction with accompanying drawing;
Referring to Fig. 1, Fig. 2, a kind of cold extrusion device that pipe is squeezed into tubular member, comprise hydraulic press and mould with upper and lower oil cylinder, described mould is made up of pressure head 1, middle mould 2, counterdie 3, the ring flange 11 of pressure head 1 is fixedlyed connected with the piston of hydraulic press upper cylinder, the lower end of pressure head 1 is coaxial is provided with core rod 12, and the geomery of core rod 12 is identical with the geomery of tubular member inside; The lower end of middle mould 2 connects counterdie 3, and counterdie 3 places on the gripper shoe 5; In the circular depressed that is provided with by lower end separately of mould 2, counterdie 3 and following one deck mould separately the round boss cooperation that is provided with of upper end interconnect, and be fixed on the gripper shoe 5 by screw rod 61 by flange connecting 6 on the middle mould 2 upper end round boss; The center of middle mould 2 is shape chamber 21, and the geomery in shape chamber 21 is identical with the geomery of tubular member outside; Be provided with push pedal 4 below the gripper shoe 5, the piston of oil cylinder is fixedlyed connected under push pedal 4 and the hydraulic press, and push pedal 4 is provided with push rod 41, and push rod 41 passes the bottom that gripper shoe 5, counterdie 3 place mould 2.
The shape in described core rod 12, shape chamber 21 is descending successively from top to bottom shape, and the push rod 41 in the push pedal 4 passes gripper shoe 5, counterdie 3, places die cavity 21 bottoms; Core rod 12, shape chamber 21, push rod 41 are on same axis; Mould 2 is 2～4 layers in described, and every circular depressed that is provided with by upper and lower side between two-layer is connected with the round boss that is provided with on following one deck.
Said apparatus is fit to production motorcycle direction conical riser form, and shape is descending successively from top to bottom tubular member.
Primer fluid press upper cylinder, the descent of piston of hydraulic press upper cylinder, pressure head 1, core rod are about to pipe 8 for 12 times and are pressed into shape chamber 21, and core rod 12 forms the geomery of tubular member inside, and shape chamber 21 forms the geomery of tubular member outsides; Primer fluid press upper cylinder, the piston stroking upward of hydraulic press upper cylinder, pressure head 1, core rod 12 are up, and core 12 leaves; Oil cylinder under the primer fluid press, the piston stroking upward of following oil cylinder, push rod 41 ejects the shape chamber with product under the promotion of the piston of following oil cylinder, take off product.
Referring to Fig. 3, Fig. 4, the shape on described core rod 12,21 tops, shape chamber is descending successively from top to bottom shape, the shape of core rod 12,21 bottoms, shape chamber is ascending successively from top to bottom shape, core rod 12 is descending, with the core rod 12 ascending position that joins again be lower mold core 13, lower mold core 13 is fixedly connected on the counterdie 3; In described the shape chamber 21 of mould 2 close for two lobe moulds, 22, the two lobe moulds 22 that separate vertically and after be combined into up big and down small taper type, in being nested in the mould 2 frustum hole consistent with two lobe moulds, 22 profiles; Push rod 41 in the push pedal 4 is at least 3, passes gripper shoe 5, counterdie 3, is evenly distributed on the bottom of two lobe moulds 22.
Be connected with material guiding die 7 by middle mould 2 upper end round boss above the mould 2 in described, the circular depressed of material guiding die 7 bottoms matches with middle mould 2 upper end round boss, and the middle part of material guiding die 7 is a guide chamber 71, and guide chamber 71 and shape chamber 21 are on same axis.
The said apparatus structure be fit to be produced the motorcycle form of tubes, is shaped as the tubular member of descending ascending again shape.
Primer fluid press upper cylinder, the descent of piston of hydraulic press upper cylinder, pressure head 1, core rod are about to pipe 8 for 12 times and are pressed into shape chamber 21, and core rod 12, lower mold core 13 form the geomery of tubular member inside, and shape chamber 21 forms the geomery of tubular member outsides; Primer fluid press upper cylinder, the piston stroking upward of hydraulic press upper cylinder, pressure head 1, core rod 12 are up, and core 12 leaves; Oil cylinder under the primer fluid press, the piston stroking upward of following oil cylinder, push rod 41 ejects two lobe moulds 22 under the promotion of the piston of following oil cylinder, and two lobe moulds 22 separately can take off product.
Claims (4)
1, a kind of cold extrusion device that pipe is squeezed into tubular member, comprise hydraulic press and mould with upper and lower oil cylinder, it is characterized in that: described mould is made up of pressure head (1), middle mould (2), counterdie (3), the ring flange (11) of pressure head (1) is fixedlyed connected with the piston of hydraulic press upper cylinder, the lower end of pressure head (1) is coaxial is provided with core rod (12), and the geomery of core rod (12) is identical with the geomery of tubular member inside; The lower end of middle mould (2) connects counterdie (3), and counterdie (3) places on the gripper shoe (5); In the circular depressed that is provided with by lower end separately of mould (2), counterdie (3) and following one deck mould separately the round boss that is provided with of upper end cooperate and interconnect, and be fixed on the gripper shoe (5) by screw rod (61) by flange connecting (6) on the round boss on the middle mould (2); The center of middle mould (2) is shape chamber (21), and the geomery of shape chamber (21) is identical with the geomery of tubular member outside; Be provided with push pedal (4) below the gripper shoe (5), the piston of oil cylinder is fixedlyed connected under push pedal (4) and the hydraulic press, and push pedal (4) is provided with push rod (41), and push rod (41) passes the bottom that gripper shoe (5), counterdie (3) place mould (2).
2, the cold extrusion device that pipe is squeezed into tubular member according to claim 1, it is characterized in that: the shape of described core rod (12), shape chamber (21) is descending successively from top to bottom shape, push rod (41) in the push pedal (4) passes gripper shoe (5), counterdie (3), places die cavity (21) bottom; Core rod (12), shape chamber (21), push rod (41) are on same axis; Mould (2) is 2～4 layers in described, and every circular depressed that is provided with by upper and lower side between two-layer is connected with the round boss that is provided with on following one deck.
3, the cold extrusion device that pipe is squeezed into tubular member according to claim 1, it is characterized in that: the shape on described core rod (12), top, shape chamber (21) is descending successively from top to bottom shape, the shape of core rod (12), bottom, shape chamber (21) is ascending successively from top to bottom shape, core rod (12) is descending, with core rod (12) the ascending position that joins again be lower mold core (13), lower mold core (13) is fixedly connected on the counterdie (3); The shape chamber (21) of mould (2) is the two lobe moulds (22) that separate vertically in described, two lobe moulds (22) close and after be combined into up big and down small taper type, be nested in middle mould (2) the frustum hole consistent with two lobe mould (22) profiles; Push rod (41) in the push pedal (4) is at least 3, passes gripper shoe (5), counterdie (3), is evenly distributed on the bottom of two lobe moulds (22).
4, the cold extrusion device that pipe is squeezed into tubular member according to claim 3, it is characterized in that: be connected with material guiding die (7) by middle mould (2) upper end round boss above the mould in described (2), the circular depressed of material guiding die (7) bottom matches with middle mould (2) upper end round boss, the middle part of material guiding die (7) is guide chamber (71), and guide chamber (71) and shape chamber (21) are on same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620111688 CN200963642Y (en) | 2006-11-10 | 2006-11-10 | Cold extrusion device for extruding round pipe to pipe-shape component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620111688 CN200963642Y (en) | 2006-11-10 | 2006-11-10 | Cold extrusion device for extruding round pipe to pipe-shape component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200963642Y true CN200963642Y (en) | 2007-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620111688 Expired - Fee Related CN200963642Y (en) | 2006-11-10 | 2006-11-10 | Cold extrusion device for extruding round pipe to pipe-shape component |
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| CN (1) | CN200963642Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101791635A (en) * | 2010-03-30 | 2010-08-04 | 陆颂荫 | Cold extruding die for double-ended pipe joint |
| CN101817027A (en) * | 2010-03-30 | 2010-09-01 | 陆颂荫 | Cold extrusion mould for double-head pipe joint |
| CN102950164A (en) * | 2011-08-31 | 2013-03-06 | 哈尔滨建成集团有限公司 | Lower die device for overall composite thermal extrusion die of cavity arc part |
| CN103551410A (en) * | 2013-10-24 | 2014-02-05 | 河南科技大学 | Extrusion moulding method for shaft parts with flanges, and special extrusion mould |
| CN103645080A (en) * | 2013-12-09 | 2014-03-19 | 中国人民解放军63983部队 | Mold for preparing coaxial transmission and emission method test sample and method for preparing coaxial transmission and emission method test sample |
-
2006
- 2006-11-10 CN CN 200620111688 patent/CN200963642Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101791635A (en) * | 2010-03-30 | 2010-08-04 | 陆颂荫 | Cold extruding die for double-ended pipe joint |
| CN101817027A (en) * | 2010-03-30 | 2010-09-01 | 陆颂荫 | Cold extrusion mould for double-head pipe joint |
| CN101791635B (en) * | 2010-03-30 | 2012-02-01 | 陆颂荫 | Cold extruding die for double-ended pipe joint |
| CN102950164A (en) * | 2011-08-31 | 2013-03-06 | 哈尔滨建成集团有限公司 | Lower die device for overall composite thermal extrusion die of cavity arc part |
| CN103551410A (en) * | 2013-10-24 | 2014-02-05 | 河南科技大学 | Extrusion moulding method for shaft parts with flanges, and special extrusion mould |
| CN103551410B (en) * | 2013-10-24 | 2015-06-17 | 河南科技大学 | Extrusion moulding method for shaft parts with flanges, and special extrusion mould |
| CN103645080A (en) * | 2013-12-09 | 2014-03-19 | 中国人民解放军63983部队 | Mold for preparing coaxial transmission and emission method test sample and method for preparing coaxial transmission and emission method test sample |
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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: 20071024 Termination date: 20101110 |