CN202317299U - Numerical control large-scale spiral bevel gear broaching machine beam clamping device - Google Patents
Numerical control large-scale spiral bevel gear broaching machine beam clamping device Download PDFInfo
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- CN202317299U CN202317299U CN 201120442589 CN201120442589U CN202317299U CN 202317299 U CN202317299 U CN 202317299U CN 201120442589 CN201120442589 CN 201120442589 CN 201120442589 U CN201120442589 U CN 201120442589U CN 202317299 U CN202317299 U CN 202317299U
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Abstract
The utility model relates to a numerical control large-scale spiral bevel gear broaching machine beam clamping device. The device is characterized by comprising a beam component and a clamping mechanism, wherein the beam component is used for adjusting the pendulum angle of a workpiece box assembly; the clamping mechanism is used for fixing the relative position between the workpiece box assembly and a tool box assembly; the beam component comprises a circular arc plate, a middle sliding plate and an upper sliding plate; the clamping mechanism comprises a supporting seat, a piston rod, end covers and a clamping claw, wherein the supporting seat is fixedly connected with the upper part of the tool box assembly; the piston rod is arranged in the supporting seat; the end covers are fixed to the two sides of the supporting seat; the clamping claw is connected with the piston rod through a pin shaft; a compression spring is arranged between the piston rod and each end cover; and a contact delay is arranged on the supporting seat of the clamping mechanism. The device has the advantages that: the relative position between the tool box assembly and the workpiece box assembly is fixed by the beam clamping device, so that a machine tool is in a clamped state in an overall cutting process to form a high-rigidity frame structure of the overall machine tool; the overall structure of the machine tool is simplified sufficiently; the gear machining precision is improved; large-scale gear machining is realized; and the requirements on small batch and multispecies in automotive industry production are met.
Description
Technical field
The utility model belongs to the gear-broach machine technical field, particularly relates to the large-scale spiral bevel gear broaching machine crossbeam of a kind of numerical control clamping device.
Background technology
Bull wheel in spiral bevel gear pair or the hypoid gear pair is widely used in various industries such as automobile, tractor, engineering machinery, military project as the vital part of transmission device.The teeth directional, profile of tooth, tooth pitch equal error that in spiral bevel gear and Machining of Near-Hyperboloid Gear process, will guarantee gear can guarantee that just processed tooth transmission accuracy is high in certain claimed range.Its workpiece box of numerical control spiral bevel gear broaching machine of the prior art is mounted on the turntable; The feeding of toolbox and to retreat be to accomplish through the driven by servomotor ball-screw; Therefore the feeding of toolbox and retreat all and bear by ball-screw; Because the ball-screw load-bearing is heavier, thus it is produced heavy wear, and influence the precision of ball-screw.In addition; Because the cutting of large gear is had relatively high expectations to the lathe integral rigidity; The frock of above-mentioned gear-broach machine is installed perpendicular to the horizontal plane of lathe bed; Also need rely on the angle of workpiece box on turntable to satisfy the actual cut angle during its cutting,, make workpiece box and turntable must bear bigger chip-load so main cutting force all concentrates on the workpiece box.So not only can influence the integral rigidity of lathe, use also can influence the machining accuracy of lathe for a long time.
Summary of the invention
The utility model provides a kind of and strengthens the lathe integral rigidity for solving the technical problem that exists in the known technology, fully simplifies machine tool structure and can increase substantially the large-scale spiral bevel gear broaching machine crossbeam of the numerical control clamping device of Gear Processing precision.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
The large-scale spiral bevel gear broaching machine crossbeam of numerical control clamping device; It is characterized in that: comprise be used for the workpiece box assembly regulate the transverse beam assembly of pendulum angle and be used for fixing the workpiece box assembly and the toolbox assembly between the clamp mechanism of relative position; Said transverse beam assembly comprises arc plate, middle slide plate and upper slide; Said clamp mechanism comprises the bearing affixed with toolbox assembly top, be installed in piston rod in the bearing, be fixed on bearing end covers at two sides and the clamp jaw that is connected with piston rod through bearing pin; Be provided with the compression spring between said piston rod and the end cap, on the bearing of clamp mechanism, contact-relay be installed.
The utility model can also adopt following technical scheme:
The arc plate of said transverse beam assembly is affixed through securing member and workpiece box assembly top; On the arc plate arc surface, be fixed with arc rack; The gear shaft that also middle slide plate is slided along the arc plate arc surface with the arc rack engagement is housed in the said middle slide plate; The relative position of arc plate and middle slide plate is fixed through T type screw; Also be fixed with one in the middle slide plate and can drive the screw rod that upper slide slides along the middle slide plate keyway, the screw rod other end connects upper slide, and the relative position of middle slide plate and upper slide is fixed through bolt, nut.
The said upper slide other end is shaped on the convex locating piece.
Advantage and the good effect that the utlity model has are: because the utility model adopts technique scheme; Promptly through the relative position between crossbeam clamping device fixed cutting tool box assembly and the workpiece box assembly; Make lathe in whole working angles, be in clamped condition all the time, constitute the whole high rigid frame type structure of lathe; Because the main cutting force of gear-broach machine bed points to lathe bed,, improve the Gear Processing precision so this lathe can utilize the lathe bed quality to obtain maximum processing rigidity, and fully simplifies the lathe overall structure.So not only can realize the processing of large gear, but also can satisfy the requirement that auto industry is produced small batch, many kinds.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the utility model clamp mechanism structural representation;
Fig. 4 is the utility model user mode sketch map.
Among the figure: 1, transverse beam assembly; 1-1, upper slide; 1-2, middle slide plate; 1-3, arc plate; 1-4, tooth bar; 1-5, gear shaft; 1-6, screw rod; 1-7, convex locating piece; 2, clamp mechanism; 2-1, bearing; 2-2, piston rod; 2-3, end cap; 2-4, bearing pin; 2-5, clamp jaw; 2-6, compression spring; 2-7, contact-relay; 3, workpiece box assembly; 4, toolbox assembly; 5, lathe bed assembly; 6, hydraulic cylinder; 7, gudgeon.
The specific embodiment
For further understanding utility model content, characteristics and the effect of the utility model, the following examples of giving an example now, and conjunction with figs. specifies as follows:
See also Fig. 1-Fig. 4, the large-scale spiral bevel gear broaching machine crossbeam of numerical control clamping device comprises that being used for the workpiece box assembly regulates the transverse beam assembly 1 of pendulum angle and be used for fixing its clamp mechanism 2 of relative position between the two.Said transverse beam assembly comprises arc plate 1-3, middle slide plate 1-2 and upper slide 1-1; The arc plate of said transverse beam assembly is affixed through securing member and workpiece box assembly 3 tops; On the arc plate arc surface, be fixed with arc rack 1-4; The gear shaft 1-5 that also middle slide plate is slided along the arc plate arc surface with the arc rack engagement is housed in the said middle slide plate, and the relative position of arc plate and middle slide plate is fixed through T type screw.Also be fixed with one in the middle slide plate and can drive the screw rod 1-6 that upper slide slides along the middle slide plate keyway, the screw rod other end connects upper slide, and the relative position of middle slide plate and upper slide is fixed through bolt, nut, and the said upper slide other end is shaped on convex locating piece 1-7.Said upper slide and middle slide plate rely on the screw rod interlock, through the screw rod of Wrench rotational fixation in middle slide plate, can drag upper slide and advance, retreat.The middle slide plate below is shaped on arc surface, and matches with the arc surface of arc plate.Said middle slide plate and arc plate rely on the rack-and-pinion interlock, through Wrench turning gear wheel shaft, can drag middle slide plate and slide.
Said clamp mechanism 2 comprises the bearing 2-1 affixed with toolbox assembly 4 tops, be installed in piston rod 2-2 in the bearing, be fixed on bearing end covers at two sides 2-3 and the clamp jaw 2-5 that is connected with piston rod 2-2 through bearing pin 2-4; Be provided with compression spring 2-6 between said piston rod and the end cap, contact-relay 2-7 is installed on the bearing of clamp mechanism.After system pressure oil gets into bearing, promote piston rod to both sides roof pressure clamp jaw, make its upper slide that clamps transverse beam assembly, when the unloading of system pressure oil, the compression spring recovers the home position, and clamp jaw opens.
The hydraulic cylinder 6 that is installed on lathe bed assembly 5 one sides receives HYDRAULIC CONTROL SYSTEM; The flexible workpiece box assembly 3 that causes of piston rod goes up and down; And the workpiece box assembly rotates around gudgeon 7 central shafts and rises; Be raised up to the arc plate place of transverse beam assembly when hydraulic cylinder jack-up workpiece box assembly; Upper slide 1-1 front end convex locating piece touches the contact-relay 2-7 that is fixed on the clamp mechanism, and clamp jaw 2-5 clamps upper slide, thereby makes toolbox assembly, clamp mechanism, transverse beam assembly, workpiece box assembly, lathe bed assembly constitute high rigid frame type structure.
In working angles, clamp jaw clamps upper slide all the time under hydraulic system pressure, after cutting finishes, and hydraulic system unloading clamping system pressure, clamp jaw opens, and hydraulic cylinder piston rod shrinks, and the workpiece box assembly drops to horizontal level.
Claims (3)
1. the large-scale spiral bevel gear broaching machine crossbeam of numerical control clamping device; It is characterized in that: comprise be used for the workpiece box assembly regulate the transverse beam assembly of pendulum angle and be used for fixing the workpiece box assembly and the toolbox assembly between the clamp mechanism of relative position; Said transverse beam assembly comprises arc plate, middle slide plate and upper slide; Said clamp mechanism comprises the bearing affixed with toolbox assembly top, be installed in piston rod in the bearing, be fixed on bearing end covers at two sides and the clamp jaw that is connected with piston rod through bearing pin; Be provided with the compression spring between said piston rod and the end cap, on the bearing of clamp mechanism, contact-relay be installed.
2. the large-scale spiral bevel gear broaching machine crossbeam of numerical control according to claim 1 clamping device; It is characterized in that: the arc plate of said transverse beam assembly is affixed through securing member and workpiece box assembly top; On the arc plate arc surface, be fixed with arc rack; The gear shaft that also middle slide plate is slided along the arc plate arc surface with the arc rack engagement is housed in the said middle slide plate, and the relative position of arc plate and middle slide plate is fixed through T type screw, also is fixed with one in the middle slide plate and can drives the screw rod that upper slide slides along the middle slide plate keyway; The screw rod other end connects upper slide, and the relative position of middle slide plate and upper slide is fixed through bolt, nut.
3. the large-scale spiral bevel gear broaching machine crossbeam of numerical control according to claim 2 clamping device, it is characterized in that: the said upper slide other end is shaped on the convex locating piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120442589 CN202317299U (en) | 2011-11-10 | 2011-11-10 | Numerical control large-scale spiral bevel gear broaching machine beam clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120442589 CN202317299U (en) | 2011-11-10 | 2011-11-10 | Numerical control large-scale spiral bevel gear broaching machine beam clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202317299U true CN202317299U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120442589 Expired - Lifetime CN202317299U (en) | 2011-11-10 | 2011-11-10 | Numerical control large-scale spiral bevel gear broaching machine beam clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202317299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357679A (en) * | 2011-11-10 | 2012-02-22 | 天津第一机床总厂 | Beam clamping device for numerically-controlled large spiral bevel gear broaching machine |
-
2011
- 2011-11-10 CN CN 201120442589 patent/CN202317299U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357679A (en) * | 2011-11-10 | 2012-02-22 | 天津第一机床总厂 | Beam clamping device for numerically-controlled large spiral bevel gear broaching machine |
| CN102357679B (en) * | 2011-11-10 | 2013-07-03 | 天津第一机床总厂 | Beam clamping device for numerically-controlled large spiral bevel gear broaching 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: 20120711 Effective date of abandoning: 20130703 |
|
| RGAV | Abandon patent right to avoid regrant |