CN202079168U - Electric-tricycle differential hollow half-shaft wheel-connecting shaft-head cold-pressing mould - Google Patents
Electric-tricycle differential hollow half-shaft wheel-connecting shaft-head cold-pressing mould Download PDFInfo
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- CN202079168U CN202079168U CN2011201432682U CN201120143268U CN202079168U CN 202079168 U CN202079168 U CN 202079168U CN 2011201432682 U CN2011201432682 U CN 2011201432682U CN 201120143268 U CN201120143268 U CN 201120143268U CN 202079168 U CN202079168 U CN 202079168U
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Abstract
The utility model discloses an electric-tricycle differential hollow half-shaft wheel-connecting shaft-head cold-pressing mould, which belongs to the technical field of electric tricycles. The electric-tricycle differential hollow half-shaft wheel-connecting shaft-head cold-pressing mould is a special electric-tricycle wheel-connecting shaft-head mould invented by an applicant. A convex mould is installed on a press slide block through a convex-mould fixing sleeve. A concave mould comprises an upper concave mould and a lower concave mould, wherein the upper concave mould is inserted into a step hole of the convex-mould fixing sleeve, a lower concave-mould fixing plate is installed on a press worktable, and a pressure spring is arranged in the convex-mould fixing sleeve. The diameters of an inner hole of the upper concave mould and the matching segment of a variable-diameter round pipe are identical; and step holes, the shapes and sizes of which are identical to those of a base shaft, a bearing-matching segment, a wheel-matching segment and a threaded segment are sequentially manufactured from top to bottom in a round-pipe-shaped inner cavity of the lower concave mould. A material-returning rod is a step-shaped cylinder, the lower end of the material-returning rod is placed on a material-returning supporting rod, a rectangular rod is sleeved on a supporting-rod fixing frame through sliding fit, and the upper end of the supporting-rod fixing frame is connected with the lower end of the press worktable through bolts; and a drag hook is arranged between the press slide block and the material-returning supporting rod.
Description
Technical field
The utility model relates to a kind of electro-tricycle, is specifically related to a kind of wheel with forcing press processing electro-tricycle differential mechanism hollow half axle and connects the spindle nose cold stamping die.
Background technology
The differential semiaxis that electro-tricycle uses now all is with the solid shafting of bar through the machining moulding, has following shortcoming:
1, solid semiaxis materials are many, the material cost height, and business efficiency is low.
2, machining is cut off the metal inside fiber, and intensity is low, poor rigidity, and service life is short.
3, the semiaxis of machining, surface roughness and case hardness are not high, influence the quality and the service life of car load.
4, machining production efficiency is low, the production cost height, and business efficiency is low.
The applicant has invented the automobile-used differential hollow half axle of a kind of electric three-wheel, and hollow half axle connects spindle nose, reducing pipe and differential gear by wheel and connects three sections of spindle noses and connect to form by the thermal type interference.If wherein the wheel processing that connects spindle nose is with traditional machining, the high inevitable height of production cost.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of wheel of electro-tricycle differential mechanism hollow half axle to connect the spindle nose cold stamping die, utilize this mould on forcing press with an extrusion modling of circular bar.
The utility model is achieved by the following technical solution: a kind of wheel of electro-tricycle differential mechanism hollow half axle connects the spindle nose cold stamping die, and it comprises punch, die and material returned bar.It is characterized in that: described punch is a stepped cylinder, and there is the flange I upper end, and described flange I is installed on the press ram by the punch fixed cover.Described die is made up of upper cavity die and lower cavity die two parts, and described upper cavity die is the step tubular, and there is the flange II upper end, and upper cavity die is inserted in the stepped hole of punch fixed cover, between flange II and the flange I stage clip is set; The Inner hole of upper cavity die cooperates the section diameter identical with the reducing pipe that wheel to be processed connects spindle nose; Described lower cavity die is a tubular, the lower cavity die lower end is fixed on the lower cavity die fixed head, the lower cavity die fixed head is described to be installed on the press bench, and the Inner chamber of lower cavity die tubular makes successively from top to bottom with wheel to be processed and connects standard shaft, the bearing section of cooperation, wheel cooperation section and the thread segment shape of spindle nose, measure-alike stepped hole; Described material returned bar is a stepped cylinder, and the lower end is placed on the material returned pressure pin; Described material returned pressure pin is a rectangular shaft, and the rectangular shaft sliding fit is sleeved on the pressure pin fixed mount; Described pressure pin fixed mount is two, and it is shaped as square type groove, and square type groove upper end is connected with the press bench lower end by bolt; Between press ram and material returned pressure pin, drag hook is set.
Good effect of the present utility model is:
1, mould structure is reasonable, intensity height, good rigidly, long service life.
When 2, press ram was up, material returned bar ejected the workpiece that processes automatically automatically, was convenient in demoulding fast the production efficiency height.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail
Fig. 1 is the utility model structural representation.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the wheel coupling spindle header structure schematic diagram of generation processing.
Among the figure: 1, press ram, 2, the punch fixed cover, 3, punch, 3-1, flange I, 4, stage clip, 5, upper cavity die, 5-1, flange II, 6, wheel to be processed connects spindle nose, 6-1, reducing pipe cooperate section, 6-2, standard shaft, and 6-3, bearing cooperate section, 6-4, wheel cooperate section, 6-5, thread segment, 7, lower cavity die, 8, lower cavity die fixed head, 9, press bench, 10, material returned bar, 11, pressure pin fixed mount, 12, material returned pressure pin, 13, drag hook.
The specific embodiment
Shown in accompanying drawing 1,2,3: a kind of wheel of electro-tricycle differential mechanism hollow half axle connects the spindle nose cold stamping die, and it comprises punch 3, die and material returned bar 10; It is characterized in that: described punch 3 is stepped cylinder, and there is flange I 3-1 the upper end, and described flange I 3-1 is installed on the press ram 1 by punch fixed cover 2; Described die is made up of upper cavity die 5 and lower cavity die 7 two parts, and described upper cavity die 5 is the step tubular, and there is flange II 5-1 the upper end, and upper cavity die 5 is inserted in the stepped hole of punch fixed cover 2, between flange II 5-1 and the flange I 3-1 stage clip 4 is set; The Inner hole of upper cavity die 5 cooperates section 6-1 diameter identical with the reducing pipe that wheel to be processed connects spindle nose 6; Described lower cavity die 7 is a tubular, lower cavity die 7 lower ends are fixed on the lower cavity die fixed head 8, lower cavity die fixed head 8 described being installed on the press bench 9, the Inner chamber of lower cavity die 7 tubulars are made successively from top to bottom with wheel to be processed and are connected standard shaft 6-2, the bearing section of cooperation 6-3, wheel cooperation section 6-4 and the thread segment 6-5 shape of spindle nose 6, measure-alike stepped hole; Described material returned bar 10 is a stepped cylinder, and the lower end is placed on the material returned pressure pin 12; Described material returned pressure pin 12 is a rectangular shaft, and the rectangular shaft sliding fit is sleeved on the pressure pin fixed mount 11; Described pressure pin fixed mount 11 is two, and it is shaped as square type groove, and square type groove upper end is connected with press bench 9 lower ends by bolt; Between press ram 1 and material returned pressure pin 12, drag hook 13 is set.
Shown in accompanying drawing 1,2,3: during use, the bar blank is put into the Inner chamber of lower cavity die 7 tubulars, the starting pressure machine, press ram 1 is descending, punch 3, upper cavity die 5 and punch fixed cover 2 DL synchronizations.When running to upper cavity die 5 and contact with lower cavity die 7, upper cavity die 5 and lower cavity die 7 matched moulds.Press ram 1 continues descending, stage clip 4 pressurizeds retraction, punch 3 continues descending, compressing bar blank, force blank to produce plastic deformation, be full of upper cavity die 5 and lower cavity die 7 die cavitys, the reducing pipe that forms wheel connection spindle nose 6 to be processed cooperates section 6-1, a standard shaft 6-2, bearing to cooperate the shape of a section 6-3, wheel cooperation section 6-4 and thread segment 6-5.When press ram 1 was up, drag hook 13 held up material returned pressure pins 12, and together with material returned bar 10 uplink synchronizations, material returned bar 10 will add work gear coupling spindle head 16 and eject, and realize the automatic material returned.
Claims (1)
1. the wheel of an electro-tricycle differential mechanism hollow half axle connects the spindle nose cold stamping die, and it comprises punch (3), die and material returned bar (10); It is characterized in that: described punch (3) is stepped cylinder, and there is flange I (3-1) upper end, and described flange I (3-1) is installed on the press ram (1) by punch fixed cover (2); Described die is made up of upper cavity die (5) and lower cavity die (7) two parts, described upper cavity die (5) is the step tubular, there is flange II (5-1) upper end, upper cavity die (5) is inserted in the stepped hole of punch fixed cover (2), between flange II (5-1) and the flange I (3-1) stage clip (4) is set; The Inner hole of upper cavity die (5) cooperates section (6-1) diameter identical with the reducing pipe that wheel to be processed connects spindle nose (6); Described lower cavity die (7) is a tubular, lower cavity die (7) lower end is fixed on the lower cavity die fixed head (8), lower cavity die fixed head (8) is described to be installed on the press bench (9), and the Inner chamber of lower cavity die (7) tubular makes successively from top to bottom with wheel to be processed and connects the standard shaft (6-2), the bearing section of cooperating (6-3), wheel cooperation section (6-4) and thread segment (6-5) shape of spindle nose (6), measure-alike stepped hole; Described material returned bar (10) is a stepped cylinder, and the lower end is placed on the material returned pressure pin (12); Described material returned pressure pin (12) is a rectangular shaft, and the rectangular shaft sliding fit is sleeved on the pressure pin fixed mount (11); Described pressure pin fixed mount (11) is two, and it is shaped as square type groove, and square type groove upper end is connected with press bench (9) lower end by bolt; Between press ram (1) and material returned pressure pin (12), drag hook (13) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201432682U CN202079168U (en) | 2011-05-09 | 2011-05-09 | Electric-tricycle differential hollow half-shaft wheel-connecting shaft-head cold-pressing mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201432682U CN202079168U (en) | 2011-05-09 | 2011-05-09 | Electric-tricycle differential hollow half-shaft wheel-connecting shaft-head cold-pressing mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202079168U true CN202079168U (en) | 2011-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201432682U Expired - Lifetime CN202079168U (en) | 2011-05-09 | 2011-05-09 | Electric-tricycle differential hollow half-shaft wheel-connecting shaft-head cold-pressing mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202079168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102240733A (en) * | 2011-05-09 | 2011-11-16 | 徐州广厦机电科技制造厂 | Cold pressing die for wheel coupling shaft head of hollow half shaft of electric tricycle differential mechanism |
-
2011
- 2011-05-09 CN CN2011201432682U patent/CN202079168U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102240733A (en) * | 2011-05-09 | 2011-11-16 | 徐州广厦机电科技制造厂 | Cold pressing die for wheel coupling shaft head of hollow half shaft of electric tricycle differential mechanism |
| CN102240733B (en) * | 2011-05-09 | 2013-03-27 | 徐州广厦机电科技制造厂 | Cold pressing die for wheel coupling shaft head of hollow half shaft of electric tricycle differential mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111221 Effective date of abandoning: 20130327 |
|
| RGAV | Abandon patent right to avoid regrant |