CN103639304A - Piston roll riveting device of pinion-and-rack steering machine - Google Patents
Piston roll riveting device of pinion-and-rack steering machine Download PDFInfo
- Publication number
- CN103639304A CN103639304A CN201310436574.9A CN201310436574A CN103639304A CN 103639304 A CN103639304 A CN 103639304A CN 201310436574 A CN201310436574 A CN 201310436574A CN 103639304 A CN103639304 A CN 103639304A
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- Prior art keywords
- piston
- roll riveting
- shaft
- riveting device
- steering engine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a piston roll riveting device of a pinion-and-rack steering machine. The piston roll riveting device of the pinion-and-rack steering machine comprises a rack shaft sleeved with a piston and a supporting shaft, and the supporting shaft is provided with a limiting base used for limiting one end of the gear shaft, an automatic reset device and a supporting base for supporting the rack shaft. The rack shaft is sleeved with a limiting sleeve attached to one end of the piston, the two sides of the piston and the two sides of the limiting sleeve are respectively provided with extrusion wheels arranged on a roll riveting machine, and the extrusion wheels are provided with extrusion grooves matched with the limiting sleeve and the piston. According to the piston roll riveting device of the pinion-and-rack steering machine, the automatic reset device is adopted, when the rack shaft and an idler wheel are different in center height, automatic center height adjustment and resetting can be performed when roll riveting is performed on the piston through the roll riveting machine, and operability is good; meanwhile, the limiting sleeve is used for limiting, and piston locating is accurate.
Description
Technical field
The present invention relates to gear rack type steering engine, be specifically related to a kind of gear rack type steering engine piston roll riveting device.
Background technology
In existing gear rack type steering engine, the piston on steering rack axle adopts the rolling riveter of three shaft roller formulas to carry out piston riveted joint.During rolling riveter roll riveting, for guaranteeing the uniformity of piston roll riveting, the center of circle of three shaft rollers need be on a circumference, and cover has the rack shaft of piston to be positioned at the circle centre position of three shaft roller place circles.
Tradition rolling riveter, due to structure and locate mode, has the following disadvantages: on the one hand, and when roller and rack shaft centre-height are when inconsistent, need to regulate respectively three rollers, three roller centers and workpiece centre adjustment difficulty are high, and poor operability, affects roll riveting operating efficiency.On the other hand, the locate mode of three rollers, positioning precision is low, easily causes riveted joint backward step excessive or cause piston distortion, after assembling, in use procedure, easily causes steering box abnormal sound.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of positioning precision high, good operability, can guarantee the gear rack type steering engine piston roll riveting device of piston roll riveting assembly precision.
To achieve these goals, the technical solution used in the present invention is:
This gear rack type steering engine piston roll riveting device, comprises that cover has the rack shaft of piston, comprises back shaft, establishes the supporting seat for the spacing limit base in end, rack shaft one end, automatic reset device and the described rack shaft of support on described back shaft; Both sides at described piston are respectively equipped with squeegee roller, establish the squeezing groove coordinating with described piston on described squeegee roller.
Described automatic reset device, comprises the fixing back-up block in bottom and is sleeved on the adjustment block on described back shaft; At two ends, described back-up block top, be equipped with adjusting rod, on one end of described adjusting rod, be respectively equipped with adjusting nut, the other end of described adjusting rod is respectively equipped with the push rod being pressed on described adjustment block both sides; The top stem casing that is positioned at described adjustment block one side is contained in the installing hole that Compress Spring is housed set on described adjusting rod, and described push rod is pressed on one end of described Compress Spring.
Described installing hole is through hole, is provided with the adjustment screw on the other end that is pressed on described Compress Spring in described installing hole.
On described rack shaft, cover has the stop collar of fitting with described pistons end, described stop collar and piston and described squeezing groove matched in clearance.
Described squeegee roller is connected on installing plate by rotating shaft respectively, is positioned on the installing plate of squeegee roller of described piston and described stop collar one side and is connected with power source.
Described adjustment block consists of with the regulating block that described push rod and described adjusting rod contact respectively with the both sides that are located on described adapter sleeve the adapter sleeve being located on described back shaft.
Described back-up block bottom is connected with the U-shaped clamp passing for described back shaft.
On described supporting seat top, be provided with the rolling bearing with described rack shaft sidewall laminating.
One end end face in described stop collar and the laminating of described piston is provided with positioning step.
Described adjusting rod is adjusting screw(rod), on described adjusting screw(rod), is provided with adjusting nut.
The invention has the advantages that: this gear rack type steering engine piston roll riveting device, use two-wheeled rolling riveter, adopt automatic reset device; When rack shaft and roller centre-height are when inconsistent, during rolling riveter roll riveting piston, can automatic central adjusting height and reset, centre-height adjustment can realize automatically, and operability is good.
This roll riveting device, adopts stop collar, and positioning precision is high.
This roll riveting device, can 100% in the groove on riveted joint backgear axle fills up, and can guarantee piston roll riveting assembly precision, further guarantees the performance of steering box.
This roll riveting device can be transformed by two axle screw-rolling machines, therefore equipment investment cost is low, the manufacturing cycle is short, practical.
The edging power of this roll riveting device reaches 125KN, can meet the Production requirement of the large miscellaneous goods of different-diameter.
Accompanying drawing explanation
The content of below each width accompanying drawing of description of the present invention being expressed and the mark in figure are briefly described:
Fig. 1 is the structural representation of gear rack type steering engine piston roll riveting device of the present invention.
Fig. 2 is the structural representation of the automatic reset device of Fig. 1 gear rack type steering engine piston roll riveting device.
Fig. 3 is the profile of the automatic reset device of Fig. 2 gear rack type steering engine piston roll riveting device.
Fig. 4 is the structural representation of the squeegee roller of Fig. 1 gear rack type steering engine piston roll riveting device.
Fig. 5 is the structural representation of the stop collar of Fig. 1 gear rack type steering engine piston roll riveting device.
Mark in above-mentioned figure is:
1, rack shaft, 2, back shaft, 3, limit base, 4, supporting seat, 5, automatic reset device, 6, stop collar, 7, squeegee roller, 8, piston, 9, back-up block, 10, adjusting rod, 11, adjusting nut, 12, push rod, 13, spacing jacking block, 14, adapter sleeve, 15, regulating block, 16, U-shaped clamp, 17, squeezing groove, 18, Compress Spring, 19, adjustment block, 20, adjustment screw.
The specific embodiment
Contrast accompanying drawing below, the description by optimum embodiment, is described in further detail the specific embodiment of the present invention.
As shown in Figures 1 to 4, this gear rack type steering engine piston roll riveting device, comprises that cover has the rack shaft 1 of piston 8, also comprises back shaft 2, and back shaft 2 is used for positioning supports rack shaft 1; On back shaft 2, establish the supporting seat 4 for the spacing limit base 3 in rack shaft 1 end, one end, automatic reset device 5 and support rack shaft 1; In the both sides of piston 8, be respectively equipped with squeegee roller 7, squeegee roller 7 is located on rolling riveter, and the extruding force of squeegee roller 7 is from rolling riveter, and this extruding force reaches 125KN, is provided with the squeezing groove 17 coordinating with piston 8 on squeegee roller 7.
On limit base 3, be provided with the spacing jacking block 13 that rack shaft 1 end, one end is positioned, spacing jacking block 13 is connected with power source; Limit base 3 is on the one hand for supporting and location back shaft 2, realizes rack shaft 1 end, one end on the other hand spacing by spacing jacking block 13.The power source that spacing jacking block 13 connects offers rack shaft 1 thrust, guarantees rack shaft 1 and piston 8 roll riveting stable operations.The power source that spacing jacking block 13 connects, is preferably hydraulic jack.
Supporting seat 4 tops are provided with the rolling bearing with rack shaft 1 sidewall laminating, and supporting seat 4 provides a supporting role for rack shaft 1, the visual concrete condition adjustment of the number of supporting seat 4 and the setting position of supporting seat 4 on back shaft 2.
This automatic reset device 5, comprises the fixing back-up block in bottom 9 and is sleeved on the adjustment block 19 on back shaft 2; On back-up block 9 two ends, top, be provided with the adjusting rod 10 being arranged on adjustment block 19 both sides, the adjusting rod 10 that is positioned at adjustment block 19 1 sides is provided with push rod 12, and push rod 12 is pressed in adjustment block 19 with the adjusting rod 10 that is positioned at adjustment block 19 opposite sides; Push rod 12 is sleeved in the installing hole that Compress Spring 18 is housed set on adjusting rod 10, and push rod 12 is resisted against on one end of Compress Spring 18.
As deformation program, this automatic reset device 5, comprises the fixing back-up block in bottom 9 and is sleeved on the adjustment block 19 on back shaft 2; On back-up block 9 two ends, top, be provided with the adjusting rod 10 being arranged on adjustment block 19 both sides, on the adjusting rod 10 of adjustment block 19 both sides, be equipped with push rod 12, push rod 12 is pressed in adjustment block 19; On the adjusting rod 10 of adjustment block 19 1 sides, be provided with the installing hole that Compress Spring 18 is housed, the push rod 12 that is positioned at adjustment block 19 1 sides is sleeved on installing hole set on adjusting rod 10, and push rod 12 is resisted against on one end of Compress Spring 18.
As shown in Figure 3, as preferred version, be provided with the adjustment screw 20 on the other end that is resisted against Compress Spring 18 being provided with on the adjusting rod 10 of push rod 12, adjustment screw 20 is for regulating the thrust of Compress Spring 18; The installing hole of immediate shipment Compress Spring 18 is through hole, and push rod 12 is pressed on Compress Spring 18 one end after stretching into installing hole, and adjustment screw 20 stretches on the other end that is pressed in Compress Spring 18 in installing hole.
Preferably adjusting rod 10 is adjusting screw(rod), establishes adjusting nut on adjusting screw(rod), by changing the link position of adjusting nut and adjusting screw(rod) 10, can change the gap between adjusting rod and adjustment block 19, to adapt to the height regulatory demand of different-diameter rack shaft.
The push rod 12 being pressed in adjustment block 19 is resisted against on one end of Compress Spring 18, like this when squeegee roller 7 and rack shaft 1 centre-height is when inconsistent, in the process of squeegee roller 7 extrusion pistons 8, together with the back shaft 2 of rack shaft 1 and support rack shaft 1, move, realize the center automatic capturing of rack shaft 1 and squeegee roller 7.
On rack shaft 1, cover has the stop collar 6 of fitting with piston 8 ends, and stop collar 6 and piston 8 and squeezing groove 17 matched in clearance; One end end face in stop collar 6 and piston 8 laminatings is provided with positioning step, and the recess step on positioning step and piston 8 end faces matches.The traditional locate mode of piston 8 is, on rack shaft 1, jump ring is housed, and when piston 8 roll riveting, jump ring is realized the location of piston 8, the easy crimp of this mode piston 8.The mode of stop collar 6 location, compares with traditional approach, and stop collar 6 can guarantee piston 8 registrations, prevents in the process of squeegee roller 7 extruding that piston 8 produces distortion or piston 8 riveted joint backward steps are excessive.
Back-up block 9 bottoms are connected with the U-shaped clamp 16 passing for back shaft 2, and preferably back-up block 9 is connected on the workbench of rolling riveter, and the installing plate of back shaft 2 and squeegee roller 7 is all arranged on workbench.
The course of work of this gear rack type steering engine piston roll riveting device is: on rack shaft 1, overlap stop collar 6 and piston 8, the laminating that matches with piston 8 end faces of the positioning step on stop collar 6 end faces; Rack shaft 1 is installed to back shaft 2, spacing jacking block 13 laminatings on rack shaft 1 end, one end and limit base 3, rack shaft 1 supports by supporting seat 4; Start rolling riveter, under the hydraulic jack effect that rack shaft 1 connects at spacing jacking block 13, move, the squeegee roller 7 original place rotations of piston 8 one sides, the squeegee roller 7 of piston 8 opposite sides is mobile extrusion piston 8 under hydraulic cylinder effect, completes piston 8 roll rivetings.
Squeegee roller 7 is under hydraulic cylinder effect during mobile extrusion piston 8, if rack shaft 1 center and squeegee roller 7 centers are inconsistent, rack shaft 1 moves and drives back shaft 2 to move, regulating block 15 on back shaft 2 changes under Compress Spring effect with the position of push rod 12, to realize rack shaft 1 center adjustment and centering, after piston 8 roll rivetings complete, under rack shaft 1 and back shaft 2 recompression spring actions, automatically reset.
This gear rack type steering engine piston roll riveting device, adopts resetting means automatically to adjust workpiece centre position, and it has overcome traditional rolling riveter owing to locating the defect of being forbidden to cause with misalignment defective work.And this rack and pinion steering gear rack piston roll riveting device is simple to operate, to remodel simple, accurate positioning is convenient; Can better control riveted joint process, improve the quality after piston 8 riveted joints, thereby reduce defective work, reduce production costs.Meanwhile, this gear rack type steering engine piston roll riveting device can be transformed by two axle screw-rolling machines, therefore equipment investment cost is low, the manufacturing cycle is short, practical.Its edging power reaches 125KN, can meet the Production requirement of the large miscellaneous goods of different-diameter, in riveted joint pit, can 100% fills up, and property indices is high and industry standard at present all.
Test data shows: the tooth bar assembly that uses the piston roll riveting frock of above-mentioned new construction, after piston 8 riveted joints, rach slot inner stuffing is almost 100% filling, its driving torque, the correlation techniques such as pulling capacity and piston 8 position degrees require all to meet technical indicator, and the useless part rate of actual production obviously lowers, operation production capacity is increased to 10S by 30S, has effectively improved operating efficiency.
Obviously specific implementation of the present invention is not subject to the restrictions described above, as long as adopted the improvement of the various unsubstantialities that method design of the present invention and technical scheme carry out, all within protection scope of the present invention.
Claims (10)
1. a gear rack type steering engine piston roll riveting device, comprise that cover has the rack shaft of piston, it is characterized in that: also comprise back shaft, on described back shaft, be provided with the supporting seat for the spacing limit base in end, rack shaft one end, automatic reset device and the described rack shaft of support; In described piston both sides, be respectively equipped with squeegee roller, on described squeegee roller, establish the squeezing groove coordinating with described piston.
2. gear rack type steering engine piston roll riveting device as claimed in claim 1, is characterized in that: described automatic reset device, comprises the fixing back-up block in bottom and be sleeved on the adjustment block on described back shaft; On two ends, described back-up block top, be provided with the adjusting rod being arranged on described adjustment block both sides, the adjusting rod that is positioned at described adjustment block one side is provided with push rod, and described push rod is pressed in described adjustment block with the adjusting rod that is positioned at described adjustment block opposite side; Described top stem casing is contained in the installing hole that Compress Spring is housed set on described adjusting rod, and described push rod is pressed on one end of described Compress Spring.
3. gear rack type steering engine piston roll riveting device as claimed in claim 1 or 2, is characterized in that: described installing hole is through hole, is provided with the adjustment screw on the other end that is pressed on described Compress Spring in described installing hole.
4. gear rack type steering engine piston roll riveting device as claimed in claim 3, is characterized in that: on described rack shaft, cover has the stop collar of fitting with described pistons end, described stop collar and piston and described squeezing groove matched in clearance.
5. gear rack type steering engine piston roll riveting device as claimed in claim 4, is characterized in that: described squeegee roller is connected on installing plate by rotating shaft respectively, is positioned on the installing plate of squeegee roller of described piston and described stop collar one side and is connected with power source.
6. gear rack type steering engine piston roll riveting device as claimed in claim 5, is characterized in that: described adjustment block consists of with the regulating block that described push rod and adjusting rod contact respectively with the both sides that are located on described adapter sleeve the adapter sleeve being located on described back shaft.
7. gear rack type steering engine piston roll riveting device as claimed in claim 6, is characterized in that: described back-up block bottom is connected with the U-shaped clamp passing for described back shaft.
8. gear rack type steering engine piston roll riveting device as claimed in claim 7, is characterized in that: on described supporting seat top, be provided with the rolling bearing with described rack shaft sidewall laminating.
9. gear rack type steering engine piston roll riveting device as claimed in claim 8, is characterized in that: one end end face in described stop collar and the laminating of described piston is provided with positioning step.
10. gear rack type steering engine piston roll riveting device as claimed in claim 9, is characterized in that: described adjusting rod is adjusting screw(rod), on described adjusting screw(rod), is provided with adjusting nut.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510184524.5A CN104785646B (en) | 2013-09-23 | 2013-09-23 | Gear rack type steering engine piston roll riveting device |
| CN201510184523.0A CN104841781B (en) | 2013-09-23 | 2013-09-23 | A kind of gear rack type steering engine piston roll riveting device |
| CN201310436574.9A CN103639304B (en) | 2013-09-23 | 2013-09-23 | Piston roll riveting device of pinion-and-rack steering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310436574.9A CN103639304B (en) | 2013-09-23 | 2013-09-23 | Piston roll riveting device of pinion-and-rack steering machine |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510184524.5A Division CN104785646B (en) | 2013-09-23 | 2013-09-23 | Gear rack type steering engine piston roll riveting device |
| CN201510184523.0A Division CN104841781B (en) | 2013-09-23 | 2013-09-23 | A kind of gear rack type steering engine piston roll riveting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103639304A true CN103639304A (en) | 2014-03-19 |
| CN103639304B CN103639304B (en) | 2015-06-10 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310436574.9A Active CN103639304B (en) | 2013-09-23 | 2013-09-23 | Piston roll riveting device of pinion-and-rack steering machine |
| CN201510184523.0A Active CN104841781B (en) | 2013-09-23 | 2013-09-23 | A kind of gear rack type steering engine piston roll riveting device |
| CN201510184524.5A Active CN104785646B (en) | 2013-09-23 | 2013-09-23 | Gear rack type steering engine piston roll riveting device |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510184523.0A Active CN104841781B (en) | 2013-09-23 | 2013-09-23 | A kind of gear rack type steering engine piston roll riveting device |
| CN201510184524.5A Active CN104785646B (en) | 2013-09-23 | 2013-09-23 | Gear rack type steering engine piston roll riveting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN103639304B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639304B (en) * | 2013-09-23 | 2015-06-10 | 芜湖世特瑞转向***有限公司 | Piston roll riveting device of pinion-and-rack steering machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59163034A (en) * | 1983-03-09 | 1984-09-14 | Nissan Motor Co Ltd | Caulking device |
| JPH081255A (en) * | 1994-06-16 | 1996-01-09 | Mazda Motor Corp | Caulking and device therefor |
| CN2910413Y (en) * | 2006-04-20 | 2007-06-13 | 荆州恒隆汽车零部件制造有限公司 | Digital controlled roll riveter |
| CN102166602A (en) * | 2011-02-15 | 2011-08-31 | 厦门永裕机械工业有限公司 | Piston rod riveting equipment |
| CN202270920U (en) * | 2011-10-11 | 2012-06-13 | 隆昌山川精密焊管有限责任公司 | Hydraulic riveter |
| CN103272984A (en) * | 2013-06-08 | 2013-09-04 | 天津天德减震器有限公司 | Rivet spinning device of piston rod assembly |
| CN203565690U (en) * | 2013-09-23 | 2014-04-30 | 芜湖世特瑞转向***有限公司 | Piston roller rivet device of gear and rack type steering machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57181738A (en) * | 1981-04-28 | 1982-11-09 | Copal Co Ltd | Vibration riveting machine |
| CN201823829U (en) * | 2010-05-21 | 2011-05-11 | 芜湖恒隆汽车转向***有限公司 | Rack piston roll riveting device of automobile rack and pinion steering gear |
| CN103639304B (en) * | 2013-09-23 | 2015-06-10 | 芜湖世特瑞转向***有限公司 | Piston roll riveting device of pinion-and-rack steering machine |
-
2013
- 2013-09-23 CN CN201310436574.9A patent/CN103639304B/en active Active
- 2013-09-23 CN CN201510184523.0A patent/CN104841781B/en active Active
- 2013-09-23 CN CN201510184524.5A patent/CN104785646B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59163034A (en) * | 1983-03-09 | 1984-09-14 | Nissan Motor Co Ltd | Caulking device |
| JPH081255A (en) * | 1994-06-16 | 1996-01-09 | Mazda Motor Corp | Caulking and device therefor |
| CN2910413Y (en) * | 2006-04-20 | 2007-06-13 | 荆州恒隆汽车零部件制造有限公司 | Digital controlled roll riveter |
| CN102166602A (en) * | 2011-02-15 | 2011-08-31 | 厦门永裕机械工业有限公司 | Piston rod riveting equipment |
| CN202270920U (en) * | 2011-10-11 | 2012-06-13 | 隆昌山川精密焊管有限责任公司 | Hydraulic riveter |
| CN103272984A (en) * | 2013-06-08 | 2013-09-04 | 天津天德减震器有限公司 | Rivet spinning device of piston rod assembly |
| CN203565690U (en) * | 2013-09-23 | 2014-04-30 | 芜湖世特瑞转向***有限公司 | Piston roller rivet device of gear and rack type steering machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104841781A (en) | 2015-08-19 |
| CN104841781B (en) | 2016-10-19 |
| CN104785646A (en) | 2015-07-22 |
| CN103639304B (en) | 2015-06-10 |
| CN104785646B (en) | 2017-08-25 |
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