CN212525853U - Double-end extrusion device for double spline shafts - Google Patents
Double-end extrusion device for double spline shafts Download PDFInfo
- Publication number
- CN212525853U CN212525853U CN202021015527.9U CN202021015527U CN212525853U CN 212525853 U CN212525853 U CN 212525853U CN 202021015527 U CN202021015527 U CN 202021015527U CN 212525853 U CN212525853 U CN 212525853U
- Authority
- CN
- China
- Prior art keywords
- double
- extrusion
- die
- spline
- spline shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a double spline axle double-end extrusion device, the purpose is solved current semi-axis double-end spline forging process must twice heating, twice shaping and the production efficiency who leads to is low, intensity of labour is big, technical problem such as spline concentricity unstability. The extrusion device comprises a frame, a positioning mechanism, an opposite extrusion mechanism and a guide mechanism, wherein the positioning mechanism is arranged in the middle of the frame, and the opposite extrusion mechanism is movably arranged at two ends of the frame; the front end of the guide mechanism is movably arranged between the positioning mechanism and the opposite extrusion mechanism, and the guide mechanism is movably connected with the positioning mechanism and the opposite extrusion mechanism respectively. The utility model discloses a fixed double spline shaft pole portion of positioning mechanism centre gripping, subtend extrusion mechanism make key shaft head spline shaping by double spline shaft both ends subtend extrusion, and subtend extrusion mechanism's effect direction is injectd after meeting by guiding mechanism and positioning mechanism. Compared with the original fractional forging process, the production efficiency can be obviously improved, the labor intensity of personnel can be reduced, and the concentricity of the spline can be ensured.
Description
Technical Field
The utility model belongs to the technical field of automobile parts machining technique and specifically relates to a double spline axle double-end extrusion device is related to.
Background
The automobile half shaft is also called a driving shaft, and two ends of the automobile half shaft are respectively provided with splines with different sizes so as to be connected with a speed reducer gear and a hub bearing inner ring for transmitting torque therebetween. The existing half-axle double-headed spline adopts a vertical pre-upsetting machine, heats the two ends of the half axle in sequence, and utilizes the mold closing force to perform hard limiting on the spline molding. Therefore, the prior art has the problems of low production efficiency, high labor intensity of personnel, insufficient spline forming size, unstable concentricity and the like.
Disclosure of Invention
To the above situation, for overcoming prior art's defect, the utility model provides a double spline axle double-end extrusion device has solved current semi-axis double-end spline forging process and must twice heating, twice shaping and the production efficiency who leads to is low, intensity of labour is big, technical problem such as spline concentricity unstability.
In order to achieve the above object, the utility model provides a following technical scheme:
double spline axle double-end extrusion device includes: a frame; the positioning mechanism is used for clamping and fixing the double-spline shaft rod part and enabling two head parts of the double-spline shaft to be exposed out of two ends of the positioning mechanism; the opposite extrusion mechanisms are used for respectively carrying out extrusion forming processing on the heads of the double-spline shafts; the guide mechanism is used for limiting the running direction of the opposite extrusion mechanism and enabling the opposite extrusion mechanism to accurately act on the head part of the double-spline shaft; wherein, the positioning mechanism is arranged in the middle of the frame, and the opposite extrusion mechanisms are movably arranged at two ends of the frame; the front end of the guide mechanism is movably arranged between the positioning mechanism and the opposite extrusion mechanism, and the guide mechanism is movably connected with the positioning mechanism and the opposite extrusion mechanism respectively.
The utility model is used for processing semi-axis both ends spline. Because the double splines of the half shaft have different sizes, when the opposite extrusion molding process is adopted, the position of the half shaft must be kept stable, and the processing precision of the head spline can be ensured. The utility model discloses a fixed double spline shaft pole portion of positioning mechanism centre gripping, subtend extrusion mechanism make key shaft head spline shaping by double spline shaft both ends subtend extrusion, and subtend extrusion mechanism's effect direction is injectd after meeting by guiding mechanism and positioning mechanism, has guaranteed the axiality of double spline shaft both ends head. Because the utility model discloses a mode of simultaneous processing semi-axis both ends spline, original fractional forging technology than, can show improvement production efficiency, reduction personnel intensity of labour.
Further, the positioning mechanism of the pressing device comprises: the lower die holder assembly is fixed at the position of the rack, has a horizontal upper surface and is used for pre-positioning the shaft part of the double-spline shaft; the upper die base assembly is arranged above the lower die base assembly, movably connected with the lower die base assembly and used for pressing, holding and fixing the double-spline shaft rod part; the first driving assembly is connected with the upper die holder assembly and used for driving the upper die holder assembly to vertically move and to be matched with the lower die holder assembly to open and close.
The utility model discloses a positioning mechanism adopts the die holder subassembly that upper and lower opened and shut to carry out the centre gripping to double-spline shaft portion, utilizes the levelness and the length of die holder subassembly can be accurate, carry out prepositioning to pole portion fast, and the last die holder subassembly that drives through first drive assembly can accomplish fast that the centre gripping of pole portion is fixed.
Further, the lower die holder assembly of the extrusion device comprises: the lower die box is fixed at the position of the frame, and the upper surface of the lower die box is provided with a plurality of positioning holes; the lower die clamping piece is arranged on the upper surface of the lower die box, and is provided with a groove body matched with the double-spline shaft rod part and a clamping part used for supporting the double-spline shaft rod part;
the upper die holder assembly comprises: the lower surface of the upper die box is provided with a positioning column matched with the positioning hole and is connected with the lower die box in a matching way; the upper die clamping piece is arranged on the lower surface of the upper die box and is provided with a groove body matched with the double-spline shaft rod part and a pressing part for pressing the double-spline shaft rod part.
The utility model discloses an upper and lower die holder subassembly utilizes the reference column of upper and lower die box and the accordant connection of locating hole to realize accurate compound die to the cell body card that utilizes upper and lower mould holder establishes fixed double-spline shaft portion.
Furthermore, a through groove is formed in the middle of a lower die box of the extrusion device, and the lower die clamping piece is divided into a left group and a right group by the through groove.
The utility model discloses having seted up in lower mould case department and having link up the groove, the partial double-spline shaft portion exposes here to in positioning mechanism department to the getting of double-spline shaft portion put.
Further, the guide mechanism of the pressing device comprises: a second drive assembly; the guide push rods are driven by the second driving assembly, suspended in the rack and reciprocate along the horizontal direction of the rack; the positioning plate is fixed at the front end of the guide push rod, and the two ends of the positioning mechanism are movably sleeved and fixed.
The utility model discloses a guiding mechanism is through its locating plate and positioning mechanism's swing joint, direction push rod perpendicular to positioning mechanism both ends face, accomplished direction push rod and positioning mechanism's location.
Furthermore, two ends of the upper and lower die clamping pieces of the extrusion device are respectively exposed out of the end parts of the upper and lower die box bodies, and after the upper and lower die bases are closed, the exposed parts of the upper and lower die clamping pieces form a cylindrical structure. The middle part of the positioning plate of the guide mechanism is provided with a positioning hole which is matched and sleeved at the cylindrical structure.
The utility model discloses an upper and lower die box body tip tubular structure is established to the locating hole cover of locating plate, makes the locating plate can be connected with positioning mechanism fast, stably. Simultaneously, the upper and lower die box body can more stably clamp and fix the double-spline shaft rod part under the fixation of the positioning plate.
Further, the counter-extrusion mechanism of the extrusion device includes: the forming assembly moves horizontally in the rack along the guide push rod and is used for carrying out extrusion forming on the heads of the double-spline shafts; and the third driving assembly is connected with the forming assembly and is used for driving the forming assembly to horizontally reciprocate.
As mentioned above, the guide push rod is perpendicular to the two end faces of the positioning mechanism, positioning of the guide push rod and the positioning mechanism is completed, the forming assembly of the opposite extrusion mechanism horizontally slides along the guide push rod, and the head of the double-spline shaft can be accurately and horizontally sleeved by the guide push rod according to the position relation of the guide push rod and the positioning mechanism, so that the concentricity of the splines is ensured. Further, the utility model discloses a third drive assembly drives and confirms the stroke of shaping subassembly to the stroke is fed and is carried out soft spacing to spline processing, thereby has replaced former technology and has gone on through the compound die power hard spacing, has avoidd the spline forging size not enough risk of hard spacing production, is favorable to improving the machining precision of spline.
Further, the forming assembly of the extrusion apparatus comprises: the die holder is connected with the third driving assembly, and the bottom of the die holder is supported at the position of the guide push rod; the die head is movably fixed at the front end of the die holder; the extrusion rod is movably arranged in the die head; the extrusion rod and the die head are coaxial with the double-spline shaft rod part clamped and fixed in the positioning mechanism; the die holder drives the front end of the die head to be sleeved with the double-spline shaft head part under the action of the third driving assembly and horizontally moves until the front end of the die head is tightly connected with the end part of the positioning mechanism, and the front end of the extrusion rod extrudes the double-spline shaft head part to form a spline in the die head.
The utility model discloses an adopt detachable die head structure among the shaping subassembly, through the change of die head, can enlarge the utility model discloses an application scope.
Further, the die of the extrusion apparatus comprises: a die sleeve, half cylinder shape; the die single body is movably fixed in the die sleeve; the fourth driving assembly is connected with the die sleeve; the two die sleeves are symmetrical and are oppositely pressed by the fourth driving component, so that the two die monomers are assembled to form the double-spline shaft head spline impression.
The utility model discloses following beneficial effect has:
1. the utility model discloses a fixed double spline shaft pole portion of positioning mechanism centre gripping, subtend extrusion mechanism make key shaft head spline shaping by double spline shaft both ends subtend extrusion, and subtend extrusion mechanism's effect direction is injectd after meeting by guiding mechanism and positioning mechanism, has guaranteed the axiality of double spline shaft both ends head. Because the utility model discloses a mode of simultaneous processing semi-axis both ends spline, original fractional forging technology than, can show improvement production efficiency, reduction personnel intensity of labour.
2. The utility model discloses a positioning mechanism adopts the die holder subassembly that upper and lower opened and shut to carry out the centre gripping to double-spline shaft portion, utilizes the levelness and the length of die holder subassembly can be accurate, carry out prepositioning to pole portion fast, and the last die holder subassembly that drives through first drive assembly can accomplish fast that the centre gripping of pole portion is fixed.
3. The utility model discloses a guiding mechanism is through its locating plate and positioning mechanism's swing joint, direction push rod perpendicular to positioning mechanism both ends face, accomplished direction push rod and positioning mechanism's location. The forming component of the opposite extrusion mechanism horizontally slides along the guide push rod, and the position relationship between the guide push rod and the positioning mechanism ensures that the forming component can be accurately and horizontally sleeved on the head of the double-spline shaft, so that the concentricity of the splines is ensured. Further, the utility model discloses a third drive assembly drives and confirms the stroke of shaping subassembly to the stroke is fed and is carried out soft spacing to spline processing, thereby has replaced former technology and has gone on through the compound die power hard spacing, has avoidd the spline forging size not enough risk of hard spacing production, is favorable to improving the machining precision of spline.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic structural diagram of the positioning mechanism of the present invention.
Fig. 3 is a schematic structural diagram of the guiding mechanism of the present invention.
Fig. 4 is a schematic structural view of the counter extrusion mechanism of the present invention.
Fig. 5 is a schematic view of the mechanism of the molding assembly of the present invention.
Reference numerals: 1. the die comprises a frame, 2, a positioning mechanism, 21, a lower die holder assembly, 211, a lower die box, 212, a lower die clamping piece, 22, an upper die holder assembly, 221, an upper die box, 222, an upper die clamping piece, 23, a first driving assembly, 3, a guiding mechanism, 31, a second driving assembly, 32, a guiding push rod, 33, a positioning plate, 4, an opposite extrusion mechanism, 41, a forming assembly, 411, a die holder, 412, a die head, 4121, a die sleeve, 4122, a die monomer, 4123, a fourth driving assembly, 413, an extrusion rod, 42, a third driving assembly, 5, a through groove, 91, a double-spline shaft rod part and 92, a double-spline shaft head part.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the embodiments of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features through another feature not in direct contact. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the invention. In order to simplify the disclosure of embodiments of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present invention. Furthermore, embodiments of the present invention may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the embodiment of the utility model provides a double spline axle double-end extrusion device, include:
a frame 1;
the positioning mechanism 2 is used for clamping and fixing the double-spline shaft rod part and exposing the two head parts of the double-spline shaft outside the double-spline shaft;
a counter extrusion mechanism 3 for respectively performing extrusion molding on the heads of the double spline shafts;
a guide mechanism 4 for limiting the running direction of the counter-extrusion mechanism 3 and enabling the counter-extrusion mechanism 3 to accurately act on the head part of the double-spline shaft.
Wherein the content of the first and second substances,
as shown in fig. 2, the positioning mechanism 2 includes:
be fixed in 1 department of frame, upper surface level for the pre-positioned lower die holder subassembly 21 of double spline shaft portion 91, this lower die holder subassembly 21 includes: a lower box 211 fixed on the frame 1, wherein the upper surface of the lower box 211 is provided with a plurality of positioning holes; the lower die clamping piece 212 is arranged on the upper surface of the lower die box 211, and is provided with a groove body matched with the double-spline shaft rod part 91 and a lower die clamping piece 212 used for supporting the double-spline shaft rod part 91; the middle part of the lower box 211 is provided with a through slot 5, and the through slot 5 divides the lower die clamping piece 212 into a left group and a right group
Set up in lower die holder subassembly 21 top, meet with lower die holder subassembly 21 activity for press and hold fixed upper die holder subassembly 22 to double-spline shaft portion 91, this upper die holder subassembly 22 includes: the upper mold box 221 is matched and connected with the lower mold box 211, and the lower surface of the upper mold box 221 is provided with a positioning column matched with the positioning hole; the upper die clamping piece 222 is arranged on the lower surface of the upper die box 221, and is provided with a groove body matched with the double-spline shaft rod part 91 and an upper die clamping piece for pressing and holding the double-spline shaft rod part 91;
the two ends of the upper mold clamping piece 222 and the lower mold clamping piece 212 are respectively exposed out of the box ends of the upper mold box 221 and the lower mold box 211, and after the positioning mechanism 2 is closed, the exposed parts form a cylindrical structure at the box ends of the upper mold box 221 and the lower mold box 211.
And a first driving assembly 23 connected to the upper die holder assembly 22 for driving the upper die holder assembly 22 to move vertically to open and close in cooperation with the lower die holder assembly 21.
As shown in fig. 3, the guide mechanism 3 includes:
a second drive assembly 31;
a plurality of guide push rods 32 which are driven by a second driving component 31, suspended in the rack 1 and reciprocate along the horizontal direction of the rack 1;
a positioning plate 33 fixed at the front end of the guiding push rod 32 and arranged between the positioning mechanism 2 and the opposite extrusion mechanism 4, wherein the positioning plate 33 is provided with a positioning hole matched with the cylindrical structure and can be movably sleeved and fixed at the cylindrical structure.
As shown in fig. 4 and 5, the counter pressing mechanism 4 includes:
a forming assembly 41 horizontally moving in the frame 1 along the guide push rod 32 for performing extrusion forming on the head of the double spline shaft, the forming assembly 41 comprising: a die holder 411 with the bottom supported on the guide push rod 32; a die head 412 movably fixed at the front end of the die holder 411; an extrusion stem 413 movably disposed within the die head 412; the extrusion rod 413 and the die head 412 are coaxial with the double-spline shaft rod part clamped and fixed in the positioning mechanism 1;
and a third driving assembly 42 connected and fixed with the die holder 411 of the molding assembly 41 and used for driving the molding assembly 41 to horizontally reciprocate.
The third driving assembly 42 pushes the die holder 411 to horizontally slide along the guiding push rod 32, and the front end of the die head 412 is sleeved with the head of the double-spline shaft until the front end of the die head 412 is tightly connected with the end of the positioning mechanism 1. The die head 412 includes two die cases 4121 held stationary by a fourth driving unit 4123, and a single die unit 4122 movably disposed in the die cases 4121. The front end of the extrusion stem 413 extrudes the double spline shaft head to form the spline in the die cavity of the die unit 4122.
When in use, the two heads of the double spline shaft are heated simultaneously. After the heating is finished, the rod part is placed in the groove body of the lower die clamping piece through the double-spline shaft rod part, and the two head parts of the double-spline shaft to be processed are just exposed out of the groove body. The upper die base component and the lower die base component are driven by the first driving component to be matched, so that the double-spline shaft rod part is stably fixed in the positioning mechanism, and only the head parts of the double-spline shaft to be processed are exposed out of the outer sides of the two ends of the positioning mechanism.
After the positioning mechanism finishes the fixation of the double-spline shaft, the second driving assembly pushes the guide push rod and the positioning plate to move horizontally and oppositely until the positioning hole of the positioning plate is sleeved and fixed at the cylindrical structure formed by the end parts of the upper die clamping piece and the lower die clamping piece. And finishing the positioning of the guide mechanism.
The third driving assembly pushes the die holder to horizontally move along the guide push rod, so that the die head is sleeved on the head part of the double-spline shaft. And the end wall of the front end of the die head penetrates through the positioning hole of the positioning plate and is attached to the end part of the positioning mechanism through stroke control of the third driving assembly. At this time, the extrusion stem extrudes the high-temperature double-spline shaft head into a spline in a die cavity formed by a single die in the die head. In this embodiment, the number of the guide push rods is 4, four sides of the die holder are clamped on the surface of the guide push rod, and the guide push rod horizontally moves in a space enclosed by the guide push rod.
After pressure maintaining, the third driving assembly drives the opposite extrusion mechanism to retract, the second driving assembly drives the guide mechanism to retract, and the first driving assembly drives the upper die holder assembly to retract and open the die. And taking out the processed double-spline shaft from the through groove.
Claims (10)
1. Double spline axle double-end extrusion device, its characterized in that includes:
a frame;
the positioning mechanism is used for clamping and fixing the double-spline shaft rod part and enabling two head parts of the double-spline shaft to be exposed out of two ends of the positioning mechanism;
the opposite extrusion mechanisms are used for respectively carrying out extrusion forming processing on the heads of the double-spline shafts;
the guide mechanism is used for limiting the running direction of the opposite extrusion mechanism and enabling the opposite extrusion mechanism to accurately act on the head part of the double-spline shaft;
wherein the content of the first and second substances,
the positioning mechanism is arranged in the middle of the frame, and the opposite extrusion mechanisms are movably arranged at two ends of the frame; the front end of the guide mechanism is movably arranged between the positioning mechanism and the opposite extrusion mechanism, and the guide mechanism is movably connected with the positioning mechanism and the opposite extrusion mechanism respectively.
2. The extrusion apparatus of claim 1, wherein the positioning mechanism comprises:
the lower die holder assembly is fixed at the position of the rack, has a horizontal upper surface and is used for pre-positioning the shaft part of the double-spline shaft;
the upper die base assembly is arranged above the lower die base assembly, movably connected with the lower die base assembly and used for pressing, holding and fixing the double-spline shaft rod part;
the first driving assembly is connected with the upper die holder assembly and used for driving the upper die holder assembly to vertically move and to be matched with the lower die holder assembly to open and close.
3. Extrusion apparatus according to claim 2,
the lower die holder assembly comprises:
the lower die box is fixed at the position of the frame, and the upper surface of the lower die box is provided with a plurality of positioning holes;
the lower die clamping piece is arranged on the upper surface of the lower die box, and is provided with a groove body matched with the double-spline shaft rod part and a clamping part used for supporting the double-spline shaft rod part;
the upper die holder assembly comprises:
the lower surface of the upper die box is provided with a positioning column matched with the positioning hole and is connected with the lower die box in a matching way;
the upper die clamping piece is arranged on the lower surface of the upper die box and is provided with a groove body matched with the double-spline shaft rod part and a pressing part for pressing the double-spline shaft rod part.
4. The extrusion apparatus of claim 3 wherein the lower box has a through slot in the middle thereof, the through slot dividing the lower die holder into left and right groups.
5. The extrusion apparatus as claimed in claim 3, wherein the upper and lower mold holders have opposite ends exposed to the ends of the upper and lower mold cases, respectively, and the exposed portions of the upper and lower mold holders form a cylindrical structure when the upper and lower mold bases are closed.
6. The extrusion apparatus of claim 1, wherein the guide mechanism comprises:
a second drive assembly;
the guide push rods are driven by the second driving assembly, suspended in the rack and reciprocate along the horizontal direction of the rack;
the positioning plate is fixed at the front end of the guide push rod, and the two ends of the positioning mechanism are movably sleeved and fixed.
7. The extrusion apparatus as claimed in claim 5, wherein the guide mechanism has a positioning plate at a front end thereof, and a positioning hole is formed at a middle portion of the positioning plate, and the positioning hole is fittingly received in the tubular structure.
8. The extrusion apparatus as claimed in claim 6, wherein the counter extrusion mechanism comprises:
the forming assembly moves horizontally in the rack along the guide push rod and is used for carrying out extrusion forming on the heads of the double-spline shafts;
and the third driving assembly is connected with the forming assembly and is used for driving the forming assembly to horizontally reciprocate.
9. The extrusion apparatus of claim 8, wherein the forming assembly comprises:
the die holder is connected with the third driving assembly, and the bottom of the die holder is supported at the position of the guide push rod;
the die head is movably fixed at the front end of the die holder;
the extrusion rod is movably arranged in the die head;
the extrusion rod and the die head are coaxial with the double-spline shaft rod part clamped and fixed in the positioning mechanism; the die holder drives the front end of the die head to be sleeved with the double-spline shaft head part under the action of the third driving assembly and horizontally moves until the front end of the die head is tightly connected with the end part of the positioning mechanism, and the front end of the extrusion rod extrudes the double-spline shaft head part to form a spline in the die head.
10. The extrusion apparatus of claim 9, wherein the die comprises:
a die sleeve, half cylinder shape;
the die single body is movably fixed in the die sleeve;
the fourth driving assembly is connected with the die sleeve;
the two die sleeves are symmetrical and are oppositely pressed by the fourth driving component, so that the two die monomers are assembled to form the double-spline shaft head spline impression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021015527.9U CN212525853U (en) | 2020-06-05 | 2020-06-05 | Double-end extrusion device for double spline shafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021015527.9U CN212525853U (en) | 2020-06-05 | 2020-06-05 | Double-end extrusion device for double spline shafts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212525853U true CN212525853U (en) | 2021-02-12 |
Family
ID=74639683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021015527.9U Active CN212525853U (en) | 2020-06-05 | 2020-06-05 | Double-end extrusion device for double spline shafts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212525853U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579138A (en) * | 2021-06-11 | 2021-11-02 | 福建恒劲科技有限公司 | Insulated Gate Bipolar Transistor (IGBT) electric heating spline warm extrusion forming complete equipment and forming process |
| CN115415745A (en) * | 2022-09-09 | 2022-12-02 | 江苏双环齿轮有限公司 | Production process of multi-step precision die forging of shafting containing holes |
-
2020
- 2020-06-05 CN CN202021015527.9U patent/CN212525853U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579138A (en) * | 2021-06-11 | 2021-11-02 | 福建恒劲科技有限公司 | Insulated Gate Bipolar Transistor (IGBT) electric heating spline warm extrusion forming complete equipment and forming process |
| CN113579138B (en) * | 2021-06-11 | 2023-02-28 | 福建恒劲科技有限公司 | Insulated Gate Bipolar Transistor (IGBT) electric heating spline warm extrusion forming complete equipment and forming process |
| CN115415745A (en) * | 2022-09-09 | 2022-12-02 | 江苏双环齿轮有限公司 | Production process of multi-step precision die forging of shafting containing holes |
| CN115415745B (en) * | 2022-09-09 | 2024-01-26 | 江苏双环齿轮有限公司 | Production process of multi-step precision die forging with hole shafting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212525853U (en) | Double-end extrusion device for double spline shafts | |
| CN105172176A (en) | Forming device for micro carrier tapes | |
| CN209531736U (en) | The automatic clamping device of the heavy dies of multidirectional double acting hydraulic extrusion press | |
| CN112340972A (en) | Biomedical bottle processing technology | |
| CN112588930A (en) | Internal stay formula work piece processingequipment | |
| CN212216720U (en) | Inductor hardware fitting stamping die | |
| CN205009622U (en) | Forming device of miniature carrier band | |
| CN214489539U (en) | 90-degree turning device for three-way pipe | |
| CN212633978U (en) | Material supporting device for railway stamping die | |
| CN113878013A (en) | Isothermal extrusion process for titanium alloy profile | |
| CN205248593U (en) | Megohmit(e) and copper sheet mix arranges piece device | |
| CN210851397U (en) | Automatic carbon fiber bent piece forming die | |
| CN113001728A (en) | Electric insulator forming and processing equipment and forming and processing method | |
| CN106825162B (en) | Track bending mechanism | |
| CN210523588U (en) | Three-way movable sliding block structure of mold | |
| CN108422600B (en) | Die exchange method and system thereof | |
| CN212976473U (en) | Two-way flattening and punching die for hand push rod | |
| CN215879980U (en) | Drilling machine for mold production | |
| CN215543996U (en) | Connecting device for crystallizer die of horizontal hydraulic machine | |
| CN217529090U (en) | Hot briquetting device is used in bolt processing | |
| CN211413295U (en) | Pipe spinning forming equipment | |
| CN217346874U (en) | Fast-assembling eyebrow pencil refill apparatus for producing | |
| CN215619381U (en) | Sliding ejection structure of forming die | |
| CN215355625U (en) | Spinning device for heat dissipation groove of shell | |
| CN215203568U (en) | Moulding-die cooling device is used in carbide tool production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |