CN202045307U - Spindle locking device for spring forming equipment - Google Patents
Spindle locking device for spring forming equipment Download PDFInfo
- Publication number
- CN202045307U CN202045307U CN2011200745514U CN201120074551U CN202045307U CN 202045307 U CN202045307 U CN 202045307U CN 2011200745514 U CN2011200745514 U CN 2011200745514U CN 201120074551 U CN201120074551 U CN 201120074551U CN 202045307 U CN202045307 U CN 202045307U
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- China
- Prior art keywords
- mandrel
- installing hole
- wedge
- forming equipment
- spring forming
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- Expired - Lifetime
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Abstract
The utility model relates to a spindle locking device for spring forming equipment, which is convenient to install, locks stably and solves the defects of inconvenience in installation and inaccuracy in location as four bolts are adopted to lock a spindle for the spring forming equipment in the prior art. A machining part is arranged at the upper end of a spindle; the peripheral surface of the machining part is an arc-shaped surface; a locating reference plane is arranged in a spindle installing hole; a base is provided with an inclined iron installing hole which is opposite to the locating reference plane; an inclined iron is arranged in the inclined iron installing hole; the inclined iron and the locating reference plane can fix the spindle in a matching way; and the upper end of the inclined iron is fixed to a cover plate arranged on the upper surface of the base through a bolt. As the inclined iron and the bolt are combined to fix the spindle, the inclined iron can penetrate from the bottom down, the installation and fixation of the spindle are facilitated without influencing the upper surface of the base; and as the spindle is located accurately through the locating reference plane, the axis line of the spindle is enabled to be in an accurate position, the machining accuracy of a spring is increased, and the disassembly is also very convenient.
Description
Technical field
The utility model relates to the apparatus structure in a kind of spring forming equipment, especially a kind of easy for installation, stable spring forming equipment mandrel locking device of locking.
Background technology
Spring is to use more, that coverage is wider a kind of parts in the present industrial technology, realize the auxiliary movement of multiple complexity by the restoring force of spring, all to use spring in a lot of mechano-electronic products, spring can produce bigger strain when stand under load, mechanical energy is converted into deformation energy, and the distortion of unloading rear spring disappears and reinstatement, with deformation energy mechanical energy.
Spring is generally made with spring steel, impacts or shakes, stores up the size of energy, ergometry etc. in order to motion, the mitigation of control parts, is widely used in machine, the instrument.The kind complexity of spring is various, by the shape branch, mainly contains helical spring, scroll spring, flat spring etc.Helical spring is a torsionspring, is the spring that bears torsional deflection, and its working portion also is close spirally-wound.The end construction of torsionspring is the arm of turning round that is processed into different shape, and torsionspring is usually used in the balanced controls in the machinery.
Helical spring kind is also many, compression helical spring for example, draft helical spring, torsion-coil spring etc., helical spring generally all is to process on make-up machine, has a mandrel on the spring forming machine, this mandrel is as the helical spring curved reference, the peripheral different angles place of mandrel is the radial shaping jig that a plurality of aligning mandrels center is set, but existing mandrel all is to adopt the mode of screw lock to fix, around the mandrel with four screw lock, when installing, this mode cause the center of mandrel skew to occur easily, cause helical spring helical centre to change easily, thereby change the helical angle of spring, cause the finished product spring not reach designing requirement, and this fixed form is installed cumbersome.
Such as: Patent Office of the People's Republic of China has announced a CN1066360C patent May 30 calendar year 2001, name is called the method and apparatus of making Hookean spring, this equipment comprise more than three round main shaft and can turn an angle, can be simultaneously advance and clash into wire rod, so that the shaping jig of Hookean spring moulding to spindle centerline.
Summary of the invention
The utility model has solved in the prior art mandrel to spring forming equipment and has adopted four screw lock to cause inconvenience, the inaccurate defective in location are installed, provide a kind of employing wedge to realize mandrel locking in conjunction with screw, easy for installation, the spring forming equipment mandrel locking device of accurate positioning.
The utility model has also solved the installation of prior art central shaft and has adopted four screw lock to cause the dismounting trouble, change the shortcoming of inconvenience, provide a kind of employing wedge to realize mandrel locking, convenient disassembly, change spring forming equipment mandrel locking device easily in conjunction with screw.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of spring forming equipment mandrel locking device, comprise base, base is provided with the mandrel installing hole, mandrel is arranged in the mandrel installing hole, the upper end that it is characterized in that mandrel is for adding the Ministry of worker, the side face that adds the Ministry of worker is an arcwall face, the mandrel installing hole has a location datum level, base is provided with the wedge installing hole relative with locating datum level, be provided with wedge in the wedge installing hole, wedge cooperates fixed central spindle with the location datum level, and the upper end of wedge fixes by screw and the cover plate that is arranged on base upper surface.Add the Ministry of worker and have arcwall face as machined surface, spring is wrapped on the arcwall face, machined surface does not have the sword limit, can not cause damage to the body of spring, guarantee the quality of spring, the location datum level positions mandrel, after wedge is fixed to the mandrel installing hole with mandrel, the location datum level can guarantee that the centerline of mandrel is in the position of setting, after spring steel enters into the processing district from inlet, shaping jig meets designing requirement to the operation of spring steel, the center line that guarantees the spiral of spring coincide with design, improve the machining accuracy of spring, cover plate is arranged on the upper surface of base, after wedge is placed into the wedge installing hole, cover plate covers the upper shed of wedge installing hole, guarantee that wedge can not cause obstruction to the workspace, cover plate is fixedlyed connected with base, and cover plate is connected by screw with wedge, and the inclined-plane of wedge up or down, the inclined-plane up, the inlet of wedge installing hole is arranged on the lower surface place of base, and screw tension wedge and cover plate can be fixedly clamped mandrel, and the inclined-plane down, the inlet of wedge installing hole is arranged on the upper surface of bottom and sinks in the wedge installing hole wedge is whole, pushes into wedge in the wedge installing hole and clamps mandrel by screw.
As preferably, the mandrel installing hole is square, and the wedge installing hole communicates with the mandrel installing hole, and the one side that the wedge installing hole is relative with the location datum level is the inclined-plane, and the inclined-plane of this inclined-plane and wedge matches.Square can accurately the location mandrel makes that the location of location datum level is more accurate.
As preferably, the position, upper end of mandrel is provided with draw-in groove, and the edge of cover plate snaps onto in the draw-in groove, and the inlet port of wedge installing hole is provided with the lower surface place of base.Draw-in groove matches with cover plate, can prevent that mandrel from moving axially, and simultaneously also is firm to cover plate.
As preferably, the dual-side of cover plate is fixed to the upper surface of base by screw, and cover plate covers the upper shed of wedge installing hole.The screw of cover plate one side can be used as cover plate rotation standard shaft, makes things convenient for cover plate to install like this.
Mandrel is an overall structure, and this moment, the operate portions of mandrel can not be rotated, and spring is in bending machining, and spring steel is feeding gradually, and this moment, spring steel and operate portions were sliding friction, increased resistance.
A kind of scheme: mandrel comprises outer seat and inner core cutter, outer seat be with the mandrel installing hole match square, outer seat inside is circular hole, the core cutter is cylindrical-shaped structure and matches with circular hole.Mandrel is for dividing body structure, and outer seat is fixed in the mandrel installing hole and by datum level location, location, the rotation in the circular hole of seat outside of core cutter, when spring steel is wound on the operate portions feeding like this, the core cutter has reduced resistance along with spring steel rotates synchronously, has also reduced the damage to spring steel.
As preferably, the inner circular hole wall of outer seat is provided with the roller of four symmetric arrangement, and the axis of roller parallels with the axis of core cutter, and the periphery of roller is adjacent to mutually with the periphery of core cutter.After setting up roller, the rolling that rotates to be of core cutter is rotated, and resistance further reduces.
As preferably, draw-in groove is arranged on the position, upper end of core cutter, and draw-in groove is over against the edge of cover plate, and the upper end of core cutter is the Ministry of worker that adds of mandrel, and draw-in groove is arranged on processing subordinate side position.Cover plate is concordant with the upper surface of base, and draw-in groove can not cause interference to spring processing in processing subordinate side.
As preferably, the arcwall face on the operate portions circumference is semicircle concave surface, and the end of operate portions is cylindrical, and the diameter of this end is greater than the diameter of arcwall face.General spring adopts circular spring steel processing, and semicircle concave surface and spring steel match, and limit the position of spring steel simultaneously, prevent that spring steel from teetertottering.
The beneficial effects of the utility model are: mandrel is fixed in conjunction with screw by wedge, wedge is worn from the bottom up, under the requirement that army's base upper surface impacts, the installation that makes things convenient for mandrel is with fixing, by the location datum level mandrel is accurately located, the axial line of guaranteeing mandrel is in accurate position, increases the precision of spring processing, and dismounting is also very convenient.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is a kind of vertical view of the utility model;
Fig. 3 is the another kind of structural representation of the utility model;
Among the figure: 1, base, 2, mandrel, 3, the mandrel installing hole, 4, the wedge installing hole, 5, wedge, 6, cover plate, 7, draw-in groove, 8, arcwall face, 9, add the Ministry of worker, 10, screw, 11, roller, 12, outer seat, 13, the core cutter.
The specific embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: a kind of spring forming equipment mandrel locking device (referring to accompanying drawing 1 accompanying drawing 2), comprise base 1, and base is provided with mandrel installing hole 3 and wedge installing hole 4, and mandrel installing hole and wedge installing hole are connected.The mandrel installing hole is square, and the mandrel installing hole has a location datum level, and the one side that the wedge installing hole is relative with the location datum level is the inclined-plane, and the inclined-plane down.Be provided with wedge 5 in the wedge installing hole, wedge cooperates fixed central spindle with the location datum level, be provided with the square mandrel that matches 2 in the mandrel installing hole, the upper end of mandrel is for adding the Ministry of worker 9, the side face that adds the Ministry of worker is an arcwall face 8, the end of operate portions is cylindrical, and the diameter of this end is greater than the diameter of arcwall face.
The upper shed peripheral position of wedge installing hole is provided with counterbore, and the counterbore place is provided with cover plate 6, and the dual-side of cover plate is fixed to base upper surface by screw, and the upper surface of cover plate is mutually concordant with the upper surface of base.The lower position of the upper end arcwall face of mandrel is provided with draw-in groove 7, and draw-in groove is relative with the edge of cover plate, and the edge of cover plate snaps onto in the draw-in groove.
The under shed of wedge installing hole is arranged on the lower surface place of base, and the upper end of wedge is connected with cover plate by screw 11.
Earlier mandrel is put in the mandrel installing hole, wedge penetrates in the wedge installing hole from the bottom up, and the edge of cover plate snaps onto on the draw-in groove of mandrel, and screw connects cover plate and wedge, and by wedge mandrel is fixed, the location datum level in the mandrel installing hole positions mandrel.
Implement 2: a kind of spring forming equipment mandrel locking device (referring to accompanying drawing 3), comprise base 1, base is provided with mandrel installing hole 3 and wedge installing hole 4, and mandrel installing hole and wedge installing hole are connected, and the upper shed position of wedge installing hole is fixed with cover plate 6.
The mandrel installing hole is square, be provided with mandrel in the mandrel installing hole, mandrel comprises outer seat 12 and inner core cutter 13, outer seat be with the mandrel installing hole match square, outer seat inside is circular hole, the core cutter is cylindrical-shaped structure and matches with circular hole, the upper end of core cutter is for adding the Ministry of worker 9, the side face that adds the Ministry of worker is an arcwall face 8, and the end of operate portions is cylindrical, and the diameter of this end is greater than the diameter of arcwall face.
The inner circular hole wall of outer seat is provided with the roller of four symmetric arrangement, and the axis of roller parallels with the axis of core cutter, and the periphery of roller is adjacent to mutually with the periphery of core cutter.The lower position of the upper end arcwall face of core cutter is provided with draw-in groove 7, and draw-in groove is relative with the edge of cover plate, the dual-side of cover plate by screw to the base upper surface and cover the wedge installing hole.
Place and wedge in the wedge installing hole, the inclined-plane of wedge up, the upper end of wedge is connected with cover plate by screw 11.
Above-described embodiment is two kinds of preferred version of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
Claims (8)
1. spring forming equipment mandrel locking device, comprise base, base is provided with the mandrel installing hole, mandrel is arranged in the mandrel installing hole, the upper end that it is characterized in that mandrel is for adding the Ministry of worker, the side face that adds the Ministry of worker is an arcwall face, the mandrel installing hole has a location datum level, base is provided with the wedge installing hole relative with locating datum level, be provided with wedge in the wedge installing hole, wedge cooperates fixed central spindle with the location datum level, and the upper end of wedge fixes by screw and the cover plate that is arranged on base upper surface.
2. spring forming equipment mandrel locking device according to claim 1, it is characterized in that the mandrel installing hole is square, the wedge installing hole communicates with the mandrel installing hole, and the one side that the wedge installing hole is relative with the location datum level is the inclined-plane, and the inclined-plane of this inclined-plane and wedge matches.
3. spring forming equipment mandrel locking device according to claim 1 is characterized in that the position, upper end of mandrel is provided with draw-in groove, and the edge of cover plate snaps onto in the draw-in groove, and the inlet port of wedge installing hole is provided with the lower surface place of base.
4. according to claim 1 or 2 or 3 described spring forming equipment mandrel locking devices, the dual-side that it is characterized in that cover plate is fixed to the upper surface of base by screw, and cover plate covers the upper shed of wedge installing hole.
5. according to claim 1 or 2 or 3 described spring forming equipment mandrel locking devices, it is characterized in that mandrel comprises outer seat and inner core cutter, outer seat be with the mandrel installing hole match square, outer seat inside is circular hole, the core cutter is cylindrical-shaped structure and matches with circular hole.
6. spring forming equipment mandrel locking device according to claim 5, it is characterized in that the inner circular hole wall of outer seat is provided with the roller of four symmetric arrangement, the axis of roller parallels with the axis of core cutter, and the periphery of roller is adjacent to mutually with the periphery of core cutter.
7. spring forming equipment mandrel locking device according to claim 5 is characterized in that draw-in groove is arranged on the position, upper end of core cutter, and draw-in groove is over against the edge of cover plate, and the upper end of core cutter is the Ministry of worker that adds of mandrel, and draw-in groove is arranged on processing subordinate side position.
8. according to claim 1 or 2 or 3 described spring forming equipment mandrel locking devices, it is characterized in that the arcwall face on the operate portions circumference is semicircle concave surface, the end of operate portions is cylindrical, and the diameter of this end is greater than the diameter of arcwall face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200745514U CN202045307U (en) | 2011-03-21 | 2011-03-21 | Spindle locking device for spring forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200745514U CN202045307U (en) | 2011-03-21 | 2011-03-21 | Spindle locking device for spring forming equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202045307U true CN202045307U (en) | 2011-11-23 |
Family
ID=44985632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200745514U Expired - Lifetime CN202045307U (en) | 2011-03-21 | 2011-03-21 | Spindle locking device for spring forming equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202045307U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284657A (en) * | 2011-03-21 | 2011-12-21 | 杭州钱江弹簧有限公司 | Core shaft locking device of spring forming device |
| CN104493015A (en) * | 2014-12-26 | 2015-04-08 | 福建永动力弹簧科技有限公司 | Split-type spring coiling and cutting die on spring coiling machine |
-
2011
- 2011-03-21 CN CN2011200745514U patent/CN202045307U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284657A (en) * | 2011-03-21 | 2011-12-21 | 杭州钱江弹簧有限公司 | Core shaft locking device of spring forming device |
| CN104493015A (en) * | 2014-12-26 | 2015-04-08 | 福建永动力弹簧科技有限公司 | Split-type spring coiling and cutting die on spring coiling machine |
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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: 20111123 Effective date of abandoning: 20130710 |
|
| RGAV | Abandon patent right to avoid regrant |