CN202846109U - Multi-cylinder crank shaft press fitting device - Google Patents
Multi-cylinder crank shaft press fitting device Download PDFInfo
- Publication number
- CN202846109U CN202846109U CN 201220434773 CN201220434773U CN202846109U CN 202846109 U CN202846109 U CN 202846109U CN 201220434773 CN201220434773 CN 201220434773 CN 201220434773 U CN201220434773 U CN 201220434773U CN 202846109 U CN202846109 U CN 202846109U
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- Prior art keywords
- bent axle
- press
- loading apparatus
- cylinder bent
- top die
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a multi-cylinder crank shaft press fitting device which is used for press fitting multi-cylinder crank shafts into a whole. The multi-cylinder crank shaft press fitting device comprises a base (1), a lower press die (2), a die shank seat (12) and an upper press die (6), wherein the lower press die (2) is arranged on the base (1), a first locating pin (8a) which is used for being matched with a connecting rod small end hole is arranged on the lower press die (2), the die shank seat (12) is used for being connected with a press fitting machine, the upper press die (6) is connected with the die shank seat (12) and arranged with the lower press die (2) in an opposite mode, a second locating pin (8) is arranged on the upper press die (6), and a preset phase angle is arranged between the first locating pin (8a) and the second locating pin (8). Before an operation of press fitting is carried out, two crank shaft assemblies to be in press fit are capable of achieving locating through matching between the connecting rod small end hole and the locating pins, a phase angle between the two crank shafts is the preset phase angle, a requirement that tolerance of the phase angle after the multi-cylinder crank shaft press fitting is achieved does not exceed 30' can be met through adjustment of the preset phase angle between the locating pins.
Description
Technical field
The utility model relates to bent axle press-loading device technical field, particularly a kind of multi-cylinder bent axle press-loading apparatus.
Background technology
Bent axle is the main rotary gadget of engine, load onto connecting rod after, be combined as crankshaft rod assembly, the circulation (rotation) that is used for (back and forth) motion about the connecting rod is become bent axle is moved.Bent axle is important parts on the engine, mainly contains two and forms the position: trunnion, connecting rod neck.Trunnion is installed on the cylinder body, and connecting rod neck is connected with big end, and small end of connecting rod is connected with steam-cylinder piston, is a kind of typical slider-crank mechanism.The rotation of bent axle is that the power source of engine also is the driving source of whole mechanical system.In actual application, for realizing certain power effect, need a plurality of bent axles are press-fited connection.
For press-fiting of single cylinder bent axle, certain experience is arranged in the prior art, but the multi-cylinder bent axle press-fit than press-fiting of single cylinder bent axle further existed the single cylinder bent axle press-fit in the problem at unexistent phase angle, the multi-cylinder bent axle press-fits rear phase angle tolerance and is no more than 30 ', thereby the experience that press-fits of single cylinder bent axle is difficult to solve the problem that the multi-cylinder bent axle press-fits phase angle in the process, is a blank of multi-cylinder bent axle technology of pressure mounting.
In sum, press-fit in the process at the multi-cylinder bent axle, how to reach the tolerance standard that the multi-cylinder bent axle press-fits rear desired phase angle, become those skilled in the art's problem demanding prompt solution.
The utility model content
The purpose of this utility model provides a kind of multi-cylinder bent axle press-loading apparatus, satisfy tolerance that the multi-cylinder bent axle press-fits rear phase angle to be no more than 30 ' requirement.
To achieve these goals, the utility model provides following technical scheme:
A kind of multi-cylinder bent axle press-loading apparatus is used for the multi-cylinder bent axle is fitted in together, comprising:
Base;
Be arranged at the dip mold on the described base, be provided with on the described dip mold for the first alignment pin that cooperates with connecting rod small end hole;
For the die shank seat that links to each other with pressing machine; Link to each other with described die shank seat, and with the top die of dip mold positioned opposite, be provided with the second alignment pin on the described top die, be the preset phase angle between described the first alignment pin and the second alignment pin.
Preferably, also comprise the first baffle plate and second baffle;
Be provided with the first backing pin on the described dip mold, be provided with the second backing pin on the described top die;
One end of described the first baffle plate has for the first draw-in groove that cooperates with big end, and the other end has the first locating hole that cooperates with described the first backing pin;
One end of described second baffle has for the second draw-in groove that cooperates with big end, and the other end has the second locating hole that cooperates with described the second backing pin.
Preferably, also comprise the guide pillar that is arranged on the dip mold, described top die is mounted slidably on described guide pillar.
Preferably, described guide pillar is two, and is and is arranged at symmetrically on the described dip mold.
The stop collar of restriction pressing displacement preferably, is installed on the described guide pillar.
Preferably, be provided with cope match-plate pattern on the described top die, described die shank seat links to each other with described cope match-plate pattern.
Preferably, be provided with the slide opening that is slidingly matched with described guide pillar on described cope match-plate pattern and the described top die.
Preferably, the center of described dip mold and described top die is respectively equipped with for crankshaft rod assembly and stretches into, and the hole of dead in line.
Preferably, the fixedly magnet of second baffle is housed on the described top die.
Preferably, described magnet is permanent magnet.
Relative above-mentioned background technology, in the multi-cylinder bent axle press-loading apparatus provided by the utility model, mutual the first alignment pin and the second alignment pin that becomes certain phase angle that on described top die and dip mold, arranges respectively, locate respectively two connecting rods by the first alignment pin and the second alignment pin, solved at the single cylinder bent axle and press-fited this problem that can not satisfy the phase angle tolerance after insurmountable multi-cylinder bent axle press-fits in the experience, the phase angle tolerance after the multi-cylinder bent axle is press-fited reach be no more than 30 ' requirement.
Description of drawings
View when multi-cylinder bent axle press-loading apparatus pressing the first crankshaft rod assembly that Fig. 1 provides for the utility model embodiment and the second crankshaft rod assembly;
Fig. 2 is the schematic diagram of the first crankshaft rod assembly;
Fig. 3 is the schematic diagram of the second crankshaft rod assembly;
View when the multi-cylinder bent axle press-loading apparatus pressing three-crankshaft connecting rod ASSY that Fig. 4 provides for the utility model embodiment and the second crankshaft rod assembly;
Fig. 5 is that Fig. 4 is along the cutaway view of A-A line;
Fig. 6 is the schematic diagram of three-crankshaft connecting rod ASSY.
The specific embodiment
Core of the present utility model is to provide a kind of multi-cylinder bent axle press-loading apparatus, the tolerance that press-fits rear phase angle to satisfy the multi-cylinder bent axle is no more than 30 ' requirement.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the view when multi-cylinder bent axle press-loading apparatus pressing the first crankshaft rod assembly of providing for the utility model embodiment of Fig. 1 and the second crankshaft rod assembly.
The multi-cylinder bent axle press-loading apparatus that the utility model embodiment provides is used for the multi-cylinder bent axle is fitted in together, comprises base 1, dip mold 2, die shank seat 12 and top die 6.
Wherein, base 1 is the support component of multi-cylinder bent axle press-loading apparatus, is used for the parts that directly or indirectly are mounted on the base 1 are supported.
Die shank seat 12 is used for linking to each other with pressing machine, and top die 6 links to each other with die shank seat 12, and with dip mold 2 positioned opposite, by this die shank seat 12 the pressing machine pressure force is passed to top die 6, with press-fiting of realization bent axle.Be provided with on the top die 6 between the second alignment pin 8, the first alignment pin 8a and the second alignment pin 8 and be the preset phase angle, this preset phase angle is set according to the phase angle of crankshaft-link rod.
Please in conjunction with Fig. 2 and Fig. 3, Fig. 2 is the schematic diagram of the first crankshaft rod assembly, and Fig. 3 is the schematic diagram of the second crankshaft rod assembly.
When using the utility model the first crankshaft rod assembly 101 and the second crankshaft rod assembly 201 carried out pressing, first the first bent connecting rod ASSY 101 is put into the dip mold 2 that is arranged at base 1, the connecting rod small end hole of crankshaft rod assembly 1 is matched with the first alignment pin 8a on being arranged at dip mold 2, thereby define the position of connecting rod in the first crankshaft rod assembly 1, then the second crankshaft rod assembly 201 is put into top die 6, the connecting rod small end hole of crankshaft rod assembly 2 matches with the second alignment pin 8 that is arranged at top die 6, define the position of connecting rod in the second crankshaft rod assembly 2, and then, namely determined the relative position of the first crankshaft rod assembly 1 and the second crankshaft rod assembly 2, wherein, the die shank seat 12 of press fit device links to each other with pressing machine, when the beginning pressing, pressing is carried out in top die 6 action downwards under the pressure-acting of pressing machine, when top die 6 finish press-fit action after, pressing machine retracts top die 6 by die shank seat 12, pressing action is finished.
In the multi-cylinder bent axle press-loading apparatus provided by the utility model, mutual the first alignment pin and the second alignment pin that becomes certain phase angle that on top die and dip mold, arranges respectively, locate respectively two connecting rods by the first alignment pin and the second alignment pin, solved at the single cylinder bent axle and press-fited this problem that can not satisfy the phase angle tolerance after insurmountable multi-cylinder bent axle press-fits in the experience, the phase angle tolerance after the multi-cylinder bent axle is press-fited reach be no more than 30 ' requirement.
In order further to optimize technique scheme, in the utility model one specific embodiment, also can comprise the first baffle plate 4, second baffle 4a, the first backing pin 3 and the second backing pin 3a.
Wherein, the first baffle plate 4 is used for supporting the first bent connecting rod ASSY 101, and second baffle 4a is used for supporting the second crankshaft rod assembly 201.
The first backing pin 3 is arranged on the dip mold 2, and the second backing pin 3a is arranged on the top die 6.
One end of the first baffle plate 4 has for the first draw-in groove that cooperates with big end, and the other end has the first locating hole that cooperates with the first backing pin 3.
The end of second baffle 4a has for the second draw-in groove that cooperates with big end, and the other end has the second locating hole that cooperates with the second backing pin 3a.
When the first crank assemblby 1 and the second crank assemblby 2 are carried out pressing, the first baffle plate 4 is inserted between two rear end faces of the first crank assemblby 1, one end of the first baffle plate 4 cooperates with big end, afterwards, the first baffle plate 4 and the first crank assemblby 1 integral body are put into the dip mold 2 that is arranged at base 1, by cooperating of the first baffle plate 4 and the first backing pin 3 and cooperating of the connecting rod small end hole of above-mentioned the first alignment pin 8a and the first crank assemblby 1, the position of the first crank assemblby 1 is limited.
The second plate washer 4a is inserted in the second crank assemblby 2 to be inserted between two rear end faces, the end of the second plate washer 4a cooperates with big end, afterwards, the second plate washer 4a and the second crank assemblby 2 integral body are put into top die, by cooperating of second baffle 4a and the second backing pin 3a and cooperating of the connecting rod small end hole of above-mentioned the second alignment pin 8 and the second crank assemblby 2, the position of the second crank assemblby 2 is limited.
Finally, the die shank seat 12 of press fit device links to each other with pressing machine, and when beginning during pressing, pressing is carried out in top die 6 action downwards under the pressure-acting of pressing machine, when top die 6 finish press-fit action after, hydraulic press retracts top die 6, the pressing action is finished.
In the multi-cylinder bent axle press-loading apparatus provided by the utility model, the first baffle plate 4 and second baffle 4a, be used for supporting the first crank assemblby 1 and the second crank assemblby 2, thereby fix respectively the axial location of the first crank assemblby 1 and the second crank assemblby 2, more be conducive to optimize the pressing quality.
In order to guarantee pressing when action, be not offset in the process that top die 6 moves downward, also can comprise the guide pillar 9 that is arranged on the dip mold in the specific embodiment of the present utility model.
Wherein, the quantity of guide pillar 9 is two, and is symmetrical being arranged on the dip mold 2, and top die 6 slidably is arranged on the guide pillar 9.
When pressing machine drive top die 6 moves down, guiding function by guide pillar 9, the to axial position that can prevent from being fixed in the second crank assemblby 2 pressing processes on the top die 6 with the first crank assemblby 1 is offset, and has more effectively guaranteed the pressing quality.
In order better to guarantee in the pressing process of the first crank assemblby 1 and the second crank assemblby 2, the accuracy of pressing displacement, can also comprise the stop collar 5 that is arranged on the guide pillar 9 in the specific embodiment of the present utility model, and this stop collar 5 is arranged on the guide pillar between top die 6 and the dip mold 2.
When pressing machine drive top die 6 relative dip molds 2 moved down, arranging of stop collar 5 effectively prevented improperly phenomenon of pressing degree, and the pressing displacement is more accurate.
For further optimisation technique scheme, in the specific embodiment of the present utility model, can also comprise cope match-plate pattern 7, cope match-plate pattern is arranged on the top die 6, and links to each other with the die shank seat.
In embodiment of the present utility model, better relatively move with top die 6 relative guide pillar under 12 of die shank seat drives in order to guarantee cope match-plate pattern 7, can also be provided with the slide opening that is slidingly matched with guide pillar 9 at cope match-plate pattern 7 and top die 6.
Further, in order better to determine the relative position of the first crank assemblby 1 and the second crank assemblby 2, among the embodiment of the present utility model, be respectively equipped with the confession crankshaft rod assembly at the center of dip mold 2 and top die 6 and stretch into, and the hole of dead in line.
Wherein, for better fixedly second baffle 4a axial location, in a specific embodiment of the present utility model, also can comprise the magnet 10 that is arranged on the top die 6.After second baffle 4a was in place, magnet 10 held this second baffle 4a, prevented that second baffle 4a from dropping under Action of Gravity Field.Concrete, magnet 10 can be permanent magnet and also can be electromagnet, and the utility model embodiment is not construed as limiting the particular type of magnet.
As shown in Figure 4, the view when the multi-cylinder bent axle press-loading apparatus pressing three-crankshaft connecting rod ASSY that Fig. 4 provides for the utility model embodiment and the second crankshaft rod assembly, and in conjunction with Fig. 5 and Fig. 6.
Wherein, three-crankshaft connecting rod ASSY 301 and the second crankshaft rod assembly 201 specifically press-fit principle and the first crankshaft rod assembly 101 and the second crankshaft rod assembly 201 to press-fit principle identical, three-crankshaft connecting rod ASSY 301 is fixed on the top die 6, the first crankshaft rod assembly 101 and the second crankshaft rod assembly 201 are as a whole, be fixed on the dip mold 2 by the second crankshaft rod assembly 201, finish stitching operation by pressing machine, the operating process in the specific embodiment no longer describes in detail.
More than multi-cylinder bent axle press-loading apparatus provided by the utility model is described in detail.The specific case of using is herein set forth principle of the present utility model and embodiment, and the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. a multi-cylinder bent axle press-loading apparatus is used for the multi-cylinder bent axle is fitted in together, it is characterized in that, comprising:
Base (1);
Be arranged at the dip mold (2) on the described base (1), be provided with on the described dip mold (2) for the first alignment pin (8a) that cooperates with connecting rod small end hole;
For the die shank seat (12) that links to each other with pressing machine;
Link to each other with described die shank seat (12), and with the top die (6) of dip mold (2) positioned opposite, be provided with the second alignment pin (8) on the described top die (6), be the preset phase angle between described the first alignment pin (8a) and the second alignment pin (8).
2. multi-cylinder bent axle press-loading apparatus according to claim 1 is characterized in that, also comprises the first baffle plate (4) and second baffle (4a);
Be provided with the first backing pin (3) on the described dip mold (2), be provided with the second backing pin (3a) on the described top die (6);
One end of described the first baffle plate (4) has for the first draw-in groove that cooperates with big end, and the other end has the first locating hole that cooperates with described the first backing pin (3);
One end of described second baffle (4a) has for the second draw-in groove that cooperates with big end, and the other end has the second locating hole that cooperates with described the second backing pin (3a).
3. multi-cylinder bent axle press-loading apparatus according to claim 1 is characterized in that, also comprises the guide pillar (9) that is arranged on the dip mold (2), and described top die (6) is mounted slidably on described guide pillar (9).
4. multi-cylinder bent axle press-loading apparatus according to claim 3 is characterized in that, described guide pillar (9) is two, and is and is arranged at symmetrically on the described dip mold (2).
5. multi-cylinder bent axle press-loading apparatus according to claim 3 is characterized in that, the stop collar (5) of restriction pressing displacement is installed on the described guide pillar (9).
6. multi-cylinder bent axle press-loading apparatus according to claim 1 is characterized in that, is provided with cope match-plate pattern (7) on the described top die (6), and described die shank seat (12) links to each other with described cope match-plate pattern (7).
7. multi-cylinder bent axle press-loading apparatus according to claim 6 is characterized in that, is provided with the slide opening that is slidingly matched with described guide pillar (9) on described cope match-plate pattern (7) and the described top die (6).
8. multi-cylinder bent axle press-loading apparatus according to claim 1 is characterized in that, the center of described dip mold (2) and described top die (6) is respectively equipped with for crankshaft rod assembly and stretches into, and the hole of dead in line.
9. multi-cylinder bent axle press-loading apparatus according to claim 1 is characterized in that, the fixedly magnet of second baffle (4a) is housed on the described top die (6).
10. multi-cylinder bent axle press-loading apparatus according to claim 9 is characterized in that, described magnet is permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220434773 CN202846109U (en) | 2012-08-29 | 2012-08-29 | Multi-cylinder crank shaft press fitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220434773 CN202846109U (en) | 2012-08-29 | 2012-08-29 | Multi-cylinder crank shaft press fitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202846109U true CN202846109U (en) | 2013-04-03 |
Family
ID=47977345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220434773 Withdrawn - After Issue CN202846109U (en) | 2012-08-29 | 2012-08-29 | Multi-cylinder crank shaft press fitting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202846109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794633A (en) * | 2012-08-29 | 2012-11-28 | 青岛德盛机械制造有限公司 | Press mounting device for multicylinder crankshafts |
-
2012
- 2012-08-29 CN CN 201220434773 patent/CN202846109U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102794633A (en) * | 2012-08-29 | 2012-11-28 | 青岛德盛机械制造有限公司 | Press mounting device for multicylinder crankshafts |
| CN102794633B (en) * | 2012-08-29 | 2014-11-19 | 青岛德盛机械制造有限公司 | Press mounting device for multicylinder crankshafts |
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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: 20130403 Effective date of abandoning: 20141119 |
|
| RGAV | Abandon patent right to avoid regrant |