CN103464627A - Riveting stamping mechanism for pulley retaining rings - Google Patents
Riveting stamping mechanism for pulley retaining rings Download PDFInfo
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- CN103464627A CN103464627A CN 201310386897 CN201310386897A CN103464627A CN 103464627 A CN103464627 A CN 103464627A CN 201310386897 CN201310386897 CN 201310386897 CN 201310386897 A CN201310386897 A CN 201310386897A CN 103464627 A CN103464627 A CN 103464627A
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Abstract
The invention discloses a stamping riveting mechanism for pulley retaining rings. The stamping riveting mechanism comprises a transmission shaft, a frame, two bearing boxes, a cam system, a rivet shank and a rivet holder. The bearing boxes are fixed at corresponding positions on the frame. Each bearing box is provided with a bearing inside. The transmission shaft is in interference fit with inner rings of the bearings. The cam system comprises a housing fixed on the frame and a cam fixedly connected to the transmission shaft. The rivet holder is fixedly connected to the frame. The rivet shank partly locates in the rivet holder. The axial direction of the rivet shank is along the radial direction of the cam. The stamping riveting mechanism is simple in structure, convenient to produce and use, effective in riveting and high in riveting efficiency.
Description
Technical field
The present invention relates to machining riveting equipment field, particularly relate to a kind of belt wheel back-up ring stamping riveting mechanism.
Background technology
In toothed belt transmission, for preventing that reason causes deviation phenomenon because the belt wheel axis is not parallel etc., usually need back-up ring be set in a side (or both sides) of belt wheel.
In prior art, back-up ring can be connected to the band wheel side by screw fastening, and now need make corresponding via hole and screwed hole and assembled on back-up ring and belt wheel, complex procedures, cost is higher; In the time of should not adopting the securing member such as screw to connect in the restriction that is subject to the factors such as pulley structure size, also can adopt the methods such as riveted joint, spot welding to connect belt wheel and back-up ring, yet the thermal stress that spot welding produces may make the belt wheel distortion excessive, and welding processing efficiency degree, in existing belt wheel back-up ring riveted joint processing, utilize the method for hammering that back-up ring and belt wheel are fixed, after having riveted, usually on the back-up ring surface, stay groove, affect product attractive in appearance, and hammering riveted joint process reliability is poor, working (machining) efficiency is low.
Summary of the invention
In belt wheel back-up ring riveted joint processing in above-mentioned prior art, utilize the method for hammering that back-up ring and belt wheel are fixed, usually on the back-up ring surface, stay groove after having riveted, affect product attractive in appearance, and the problem that hammering riveted joint process reliability is poor, working (machining) efficiency is low, the invention provides a kind of belt wheel back-up ring stamping riveting mechanism.
For the problems referred to above, belt wheel back-up ring stamping riveting provided by the invention mechanism solves problem by following technical essential: belt wheel back-up ring stamping riveting mechanism, comprise power transmission shaft, frame, two bearing housings, cam-train, die bar and die seat, two described bearing housings all are fixedly connected on frame, be provided with bearing in bearing housing, power transmission shaft all becomes interference fit with the bearing inner race in two bearing housings, described cam-train comprises the housing be fixed on frame and the cam be fixedly connected with power transmission shaft, described die seat is fixedly connected on frame, the die bar partly is positioned at the die seat, and the die bar is positioned at the in the radial direction arbitrary of described cam.
One end of power transmission shaft connects drive motors, rotatablely moving of drive motors rotor finally is delivered on power transmission shaft, power transmission shaft band moving cam rotates, cam forces the die bar away from camming movement at enlarged diameter section, and back-up ring to be riveted and belt wheel are placed on the direction of motion of die bar, make the die bar complete die pole pair back-up ring when motion and apply compression, complete the riveted joint of belt wheel and back-up ring.
Further technical scheme is:
Described die seat is hollow structure, also be provided with annular protrusion on described die bar, also comprise spring, described die bar partly is positioned at the centre bore of spring, and spring is positioned at the hollow structure of die seat, the two ends of spring contact with annular protrusion with the die seat respectively.
When the enlarged diameter section that the spring arranged is intended to cam separates with the die bar, recoil of spring, the die bar is to the motion of cam direction under the effect of spring force, and the die bar automatically resets, and is convenient to carry out rivet next time.
Also comprise flywheel, described flywheel is fixedly connected on power transmission shaft.
The flywheel arranged plays the accumulation of energy effect, is conducive to reduce die bar load impact to the power transmission shaft drive motors when the riveted joint impaction state.
Also comprise workbench, described workbench be positioned at the die bar under, and workbench and erecting are set to one.
The workbench arranged is convenient to put belt wheel to be riveted and back-up ring, and workbench and erecting are set as one, and is convenient to installation of the present invention and improves stability of the present invention.
Described bearing is deep groove ball bearing.
The present invention when work bearing mainly bear the radial load of power transmission shaft, deep groove ball bearing has good ability to bear to load radially, deep groove ball bearing is easy for installation simultaneously, price is low.
Described die bar is provided with roller near on an end of cam.
What the roller arranged made die bar and flank of cam is rolling friction each other when contacting, and is conducive to protect die bar and cam.
The thickness range of described frame is in 20 millimeters to 25 millimeters scopes, and the material of frame and workbench is cast iron.
Because the present invention can follow inevitable vibrations when working, the graphite in cast iron has damping effect preferably, and simultaneously, the cast iron cost is low, and plastic deformation is little; Thicker thickness range is selected, and is intended to guarantee that the present invention has enough intensity at impact endurance test shock lower bearing bracket frequently.
The present invention has following beneficial effect:
The present invention is simple in structure, manufacture and easy to use; Utilize the output torque of drive motors, mode by back-up ring by punching press is pressed in the riveting ring arranged with wheel side, because cam outer rim recess and protuberance are easily processed, make cam need to manufacture given shape according to the compression distance of back-up ring reality, be conducive to the riveted joint effect of belt wheel and back-up ring; Back-up ring becomes impact style to be pressed in the riveting ring arranged with wheel side, and process once completes, and has the riveted joint speed of back-up ring and belt wheel fast, is conducive to improve rivet efficiency.
The accompanying drawing explanation
The structural representation that Fig. 1 is a specific embodiment of belt wheel back-up ring stamping riveting mechanism of the present invention.
In figure, each mark is respectively: 1, workbench, 2, power transmission shaft, 3, bearing housing, 4, frame, 5, flywheel, 6, cam-train, 7, the die bar, 8, the die seat.
The specific embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but structure of the present invention is not limited only to following examples.
Embodiment 1:
As shown in Figure 1, belt wheel back-up ring stamping riveting mechanism, comprise power transmission shaft 2, frame 4, two bearing housings 3, cam-train 6, die bar 7 and die seat 8, two described bearing housings 3 all are fixedly connected on frame 4, be provided with bearing in bearing housing 3, power transmission shaft 2 all becomes interference fit with the bearing inner race in two bearing housings 3, described cam-train 6 comprises the housing be fixed on frame 4 and the cam be fixedly connected with power transmission shaft 2, described die seat 8 is fixedly connected on frame 4, die bar 7 parts are positioned at die seat 8, and die bar 7 is positioned at the in the radial direction arbitrary of described cam.
One end of power transmission shaft 2 connects drive motors, rotatablely moving of drive motors rotor finally is delivered on power transmission shaft 2, power transmission shaft 2 band moving cams rotate, cam forces die bar 7 away from camming movement at enlarged diameter section, and back-up ring to be riveted and belt wheel are placed on the direction of motion of die bar 7, make die bar 7 complete 7 pairs of back-up rings of die bar when motion and apply compression, complete the riveted joint of belt wheel and back-up ring; Power transmission shaft 2 is arranged to two segments combined, between two ends, adopts clutch to connect, and is convenient to like this in the situation that the duty of cam is controlled in the normal operation of drive motors.
Embodiment 2:
The present embodiment is further improved on the basis of embodiment 1, as shown in Figure 1, described die seat 8 is hollow structure, also be provided with annular protrusion on described die bar 7, also comprise spring, described die bar 7 parts are positioned at the centre bore of spring, and spring is positioned at the hollow structure of die seat 8, and the two ends of spring contact with annular protrusion with die seat 8 respectively.
When the enlarged diameter section that the spring arranged is intended to cam separates with die bar 7, recoil of spring, die bar 7 is to the motion of cam direction under the effect of spring force, and die bar 7 automatically resets, and is convenient to carry out rivet next time.
Also comprise flywheel 5, described flywheel 5 is fixedly connected on power transmission shaft 2.
The flywheel 5 arranged plays the accumulation of energy effect, is conducive to reduce die bar 7 load impact to power transmission shaft 2 drive motors when the riveted joint impaction state.
Also comprise workbench 1, described workbench 1 be positioned at die bar 7 under, and workbench 1 is arranged to one with frame 4.
The workbench 1 arranged is convenient to put belt wheel to be riveted and back-up ring, and workbench 1 and frame 4 are set to one, is convenient to installation of the present invention and improves stability of the present invention.
Described bearing is deep groove ball bearing.
The ditch ball bearing has good ability to bear to load radially, and deep groove ball bearing is easy for installation simultaneously, and price is low.
Described die bar 7 is provided with roller near on an end of cam.
What the roller arranged made die bar 7 and flank of cam is rolling friction each other when contacting, and is conducive to protect die bar 7 and cam.
The thickness range of described frame 4 is in 20 millimeters to 25 millimeters scopes, and the material of frame 4 and workbench 1 is cast iron.
Because the present invention can follow inevitable vibrations when working, the graphite in cast iron has damping effect preferably, and simultaneously, the cast iron cost is low, and plastic deformation is little; Thicker thickness range is selected, and is intended to guarantee that the present invention has enough intensity at impact endurance test shock lower bearing bracket frequently.
Claims (7)
1. belt wheel back-up ring stamping riveting mechanism, it is characterized in that, comprise power transmission shaft (2), frame (4), two bearing housings (3), cam-train (6), die bar (7) and die seat (8), two described bearing housings (3) all are fixedly connected on frame (4), bearing housing is provided with bearing in (3), power transmission shaft (2) all becomes interference fit with the bearing inner race in two bearing housings (3), described cam-train (6) comprises the housing be fixed on frame (4) and the cam be fixedly connected with power transmission shaft (2), described die seat (8) is fixedly connected on frame (4), die bar (7) part is positioned at die seat (8), and die bar (7) is positioned at the in the radial direction arbitrary of described cam.
2. belt wheel back-up ring stamping riveting according to claim 1 mechanism, it is characterized in that, described die seat (8) is hollow structure, also be provided with annular protrusion on described die bar (7), also comprise spring, described die bar (7) part is positioned at the centre bore of spring, and spring is positioned at the hollow structure of die seat (8), and the two ends of spring contact with annular protrusion with die seat (8) respectively.
3. belt wheel back-up ring stamping riveting according to claim 1 mechanism, is characterized in that, also comprise flywheel (5), described flywheel (5) is fixedly connected on power transmission shaft (2).
4. belt wheel back-up ring stamping riveting according to claim 1 mechanism, is characterized in that, also comprises workbench (1), described workbench (1) be positioned at die bar (7) under, and workbench (1) is arranged to one with frame (4).
5. belt wheel back-up ring stamping riveting according to claim 1 mechanism, is characterized in that, described bearing is deep groove ball bearing.
6. belt wheel back-up ring stamping riveting according to claim 1 mechanism, is characterized in that, described die bar (7) is provided with roller near on an end of cam.
7. according to any one described belt wheel back-up ring stamping riveting mechanism in claim 1 to 6, it is characterized in that, the thickness range of described frame (4) is in 20 millimeters to 25 millimeters scopes, and the material of frame (4) and workbench (1) is cast iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310386897 CN103464627A (en) | 2013-08-30 | 2013-08-30 | Riveting stamping mechanism for pulley retaining rings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310386897 CN103464627A (en) | 2013-08-30 | 2013-08-30 | Riveting stamping mechanism for pulley retaining rings |
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| Publication Number | Publication Date |
|---|---|
| CN103464627A true CN103464627A (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310386897 Pending CN103464627A (en) | 2013-08-30 | 2013-08-30 | Riveting stamping mechanism for pulley retaining rings |
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| CN (1) | CN103464627A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084471A (en) * | 2014-06-13 | 2014-10-08 | 安徽通润汽车零部件有限公司 | Punching cutting-off device |
| CN104999687A (en) * | 2015-07-28 | 2015-10-28 | 苏州研高自动化科技有限公司 | Cylinder oscillating structure |
| CN107601246A (en) * | 2017-10-20 | 2018-01-19 | 苏州环球科技股份有限公司 | A kind of easy-to-dismount step chains |
| CN107900230A (en) * | 2017-11-01 | 2018-04-13 | 湖州宏跃电子器件厂 | A kind of alarm processing riveting device |
-
2013
- 2013-08-30 CN CN 201310386897 patent/CN103464627A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084471A (en) * | 2014-06-13 | 2014-10-08 | 安徽通润汽车零部件有限公司 | Punching cutting-off device |
| CN104084471B (en) * | 2014-06-13 | 2016-01-27 | 安徽通润汽车零部件有限公司 | A kind of punching press shearing device |
| CN104999687A (en) * | 2015-07-28 | 2015-10-28 | 苏州研高自动化科技有限公司 | Cylinder oscillating structure |
| CN107601246A (en) * | 2017-10-20 | 2018-01-19 | 苏州环球科技股份有限公司 | A kind of easy-to-dismount step chains |
| CN107900230A (en) * | 2017-11-01 | 2018-04-13 | 湖州宏跃电子器件厂 | A kind of alarm processing riveting device |
| CN107900230B (en) * | 2017-11-01 | 2019-07-26 | 绍兴市华获智能装备有限公司 | Riveting device is used in a kind of processing of alarm |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131225 |