CN202411888U - Fixing tooling of connecting rod - Google Patents
Fixing tooling of connecting rod Download PDFInfo
- Publication number
- CN202411888U CN202411888U CN2011205696938U CN201120569693U CN202411888U CN 202411888 U CN202411888 U CN 202411888U CN 2011205696938 U CN2011205696938 U CN 2011205696938U CN 201120569693 U CN201120569693 U CN 201120569693U CN 202411888 U CN202411888 U CN 202411888U
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- China
- Prior art keywords
- connecting rod
- hole
- locating shaft
- centre
- fixed head
- Prior art date
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a fixing tooling of a connecting rod. The fixing tooling of the connecting rod comprises a fixing board, a locating shaft and a press board, wherein a first through hole is arranged on the press board, the fixing board is used for placing the connecting rod to be processed, and the locating shaft is used for locating the connecting rod and connecting with the fixing board. The first through hole arranged on the press board corresponds to a to-be-processed hole of the connecting rod, the press board is used for extruding the connecting rod on the fixing board and exerting pressure on the connecting rod to enable the connecting rod to be fixed between the fixing board and the press board, the corresponding position of the first through hole and the to-be-processed hole enables a boring tool which performs a boring process on the to-be-processed hole to penetrate through and performing the boring process on the to-be-processed hole, and the connecting rod can be applied to the boring process conveniently due to the structure. According to the fixing tooling of the connecting rod, not only alignment operations in an existing grinding process are omitted for an operator, and working efficiency of the connecting rod processing is improved; but also the connecting rod bored conveniently, and metal dust and noise pollution caused by the grinding process are reduced.
Description
Technical field
The utility model relates to the Machining of Connecting Rod equipment technical field, particularly a kind of connecting rod fixing tool.
Background technology
Connecting rod is a kind of attaching parts, and the two ends of connecting rod are hinged to transmit forms of motion and power with driving member and driven member respectively.For example in reciprocating-piston dynamic power machine and compressor, connect piston and crank with connecting rod.Mostly connecting rod is steel part, and mostly the cross section of link body part is circular or I-shaped, and there is through hole at two ends, and bronze bushing or needle bearing are housed in the through hole, and confession is packed pivot pin into and constituted hinged.Connecting rod is the strength member in the engines such as automobile and boats and ships, and it is connecting piston and bent axle, and its effect is that the reciprocating motion with piston changes rotatablely moving of bent axle into, and passes to bent axle to the power that acts on the piston with power output.
The small end of connecting rod end has the less aperture in aperture, and aperture is used for installing piston pin, to connect piston.Generally speaking, in being connected between axle base part and hole, in order to guarantee axle and the level and smooth rotation of the opinion in hole and wearing and tearing that reduce axle or hole, all can the ten minutes that the inner surface in the outer surface of axle and hole is polished is smooth.The aperture that has for the small end of connecting rod end because small aperture is less, to aperture be processed as heat treatment after adopt grinding.Connecting rod adopts grinding to have following two defectives: one of which; Receive the restriction of lathe and emery wheel; Production efficiency and product quality slowly can not get improving, and adopt emery wheel that aperture is carried out grinding generally speaking, because the planform of emery wheel can't realize the rapid processing to aperture; Usually be through step by step detail sanding being processed to realize whole aperture inner surfaces, having been reduced the operating efficiency of Machining of Connecting Rod; Its two because noise and dust that grinding produced, operator healthy had bigger negative effect.
In sum, the processing that how to solve connecting rod is the low problem of processing operating efficiency of through-hole aperture on the connecting rod especially, becomes those skilled in the art's problem demanding prompt solution.
The utility model content
The technical problem that the utility model will solve is for providing a kind of connecting rod fixing tool; This connecting rod fixing tool makes the through hole of connecting rod can adopt boring process to process through its structural design, thus the processing that realize the to solve connecting rod purpose of the low problem of processing operating efficiency of small aperture on the connecting rod especially.
For solving the problems of the technologies described above, the utility model provides a kind of connecting rod fixing tool, and the through hole that is used for connecting rod adds the fixing of man-hour, comprising:
Place the fixed head of said connecting rod;
Connect with the processed hole of said connecting rod and to the locating shaft of said connecting rod location, said locating shaft is connected with said fixed head;
The pressing plate that can move along the axis direction of said locating shaft offers first through hole corresponding with the processed hole of said connecting rod and that boring cutter is passed on the said pressing plate.
Preferably, the axle head that connects of the processed hole of said locating shaft and said connecting rod is a tapered shaft end.
Preferably; The utility model also comprises first cylinder; One end and the said connecting rod of said locating shaft connect, and the other end of said locating shaft passes said fixed head and is connected with said first cylinder, and the axis direction that said first cylinder promotes the said locating shaft in said locating shaft edge moves.
Preferably; Offer second through hole on the said fixed head; Said locating shaft passes said second through hole, and said fixed head is provided with the positioning and fixing piece, offers on the said positioning and fixing piece and the mutually penetrating third through-hole of said second through hole; Said connecting rod and said positioning and fixing piece connect, and said locating shaft passes the processed hole butt of said second through hole and said third through-hole and said connecting rod.
Preferably, said first through hole is provided with gland, and said boring cutter passes said gland to said Machining of Connecting Rod.
Preferably; The utility model also comprises centre-to-centre spacing adjusting location-plate; Said centre-to-centre spacing is regulated the side that location-plate is arranged on the said fixed head and is positioned at said locating shaft; Said connecting rod has an end and the said locating shaft butt in processed hole, and the other end of said connecting rod and said centre-to-centre spacing are regulated the location-plate butt.
Preferably, said centre-to-centre spacing is regulated location-plate and is provided with the alignment pin to said connecting rod location.
Preferably, said centre-to-centre spacing is regulated location-plate and is mounted slidably on said fixed head, and the glide direction that said centre-to-centre spacing is regulated location-plate deviates from said locating shaft.
Preferably, the utility model also comprises second cylinder, and the telescopic shaft of said second cylinder is provided with push pedal, and said push pedal is provided with carriage release lever, and said carriage release lever is connected with said pressing plate, and said second cylinder drives said pressing plate and moves.
Preferably, the utility model also comprises automatic control system, and said automatic control system comprises the pressure sensitivity device that detects said locating shaft upward pressure, and said strut device is connected with said locating shaft.
The connecting rod fixing tool that the utility model provides is a kind ofly connecting rod to be carried out stationary device when being applied to Machining of Connecting Rod, comprises fixed head, locating shaft and pressing plate, offers first through hole on the pressing plate.Fixed head is used to place processed connecting rod, and locating shaft is used for connecting rod is positioned, and is connected with fixed head.Aperture on connecting rod need add man-hour, and connecting rod is positioned on the fixed head, the processed aperture of needs on the connecting rod is alignd with locating shaft, and be connected on the locating shaft.This structural design can guarantee to have identical location reference point (locating shaft) with batch processed connecting rod; Has the uniformity that identical location reference point not only can guarantee same batch Machining of Connecting Rod; Operations such as the centering in the time of can also omitting operating personnel to the connecting rod processing small holes, alignment improve operating personnel's operating efficiency.In order to adopt boring process that the aperture of connecting rod is carried out processed, first through hole that the utility model is offered on pressing plate is corresponding with the processed hole of connecting rod.Pressing plate is used for connecting rod is squeezed in fixed head; And exert pressure to connecting rod and to make connecting rod can be fixed between fixed head and the pressing plate, first through hole and the corresponding setting in processed hole can make that boring cutter that bore hole handles is carried out in processed hole to be passed and bore hole is carried out in processed hole handle.The connecting rod fixing tool that the utility model provided can be fixed the connecting rod that need be carried out processed, and can make connecting rod be applied to easily in the boring process through its structural design, through using boring cutter the through hole of connecting rod is carried out processed.The utility model has not only saved operating personnel's centering, alignment operation to connecting rod in traditional grinding process; Improved operating efficiency to Machining of Connecting Rod; Can also make connecting rod carry out bore hole easily and handle, reduce the metallic dust and the noise pollution that cause owing to ground.
Description of drawings
Fig. 1 is the structural representation of connecting rod in the prior art;
Fig. 2 is the structural representation of connecting rod fixing tool among a kind of embodiment of the utility model;
Fig. 3 is the structural representation of connecting rod fixing tool among a kind of embodiment of the utility model;
The corresponding relation of component names and Reference numeral is among Fig. 1 to Fig. 3:
Fixed head 1; Positioning and fixing piece 11; The second through hole 1a; Third through-hole 11a;
Locating shaft 2;
Centre-to-centre spacing is regulated location-plate 5; Alignment pin 51;
Connecting rod a; Through hole b; Boring cutter c.
The specific embodiment
The core of the utility model is for providing a kind of connecting rod fixing tool; This connecting rod fixing tool makes the through hole of connecting rod can adopt boring process to process through its structural design, thus the processing that realize the to solve connecting rod purpose of the low problem of processing operating efficiency of small aperture on the connecting rod especially.
In order to make those skilled in the art understand the technical scheme of the utility model better, the utility model is done further to specify below in conjunction with accompanying drawing and specific embodiment.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of connecting rod in the prior art; Fig. 2 is the structural representation of connecting rod fixing tool among a kind of embodiment of the utility model.
The connecting rod fixing tool that the utility model provides is that a kind of connecting rod a that is applied to adds and man-hour connecting rod a carried out stationary device, comprises fixed head 1, locating shaft 2 and pressing plate 3, offers the first through hole 3a on the pressing plate 3.Fixed head 1 is used to place processed connecting rod a, and locating shaft 2 is used for connecting rod a is positioned, and is connected with fixed head 1.Aperture on connecting rod a need add man-hour, and connecting rod a is positioned on the fixed head 1, and connecting rod a is gone up needs processed aperture to align with locating shaft 2, and is connected on the locating shaft 2.This structural design can guarantee to have identical location reference point (locating shaft 2) with a batch processed connecting rod a; Has the uniformity that identical location reference point not only can guarantee same batch Machining of Connecting Rod; Operations such as the centering in the time of can also omitting operating personnel to the processing small holes of connecting rod a, alignment improve operating personnel's operating efficiency.In order to adopt boring process that the aperture of connecting rod a is carried out processed, the first through hole 3a that the utility model is offered on pressing plate 3 is corresponding with the processed hole of connecting rod a.Pressing plate 3 is used for connecting rod a is squeezed in fixed head 1; And exert pressure to connecting rod a and to make connecting rod a can be fixed between fixed head 1 and the pressing plate 3, the first through hole 3a and the corresponding setting in processed hole can make that boring cutter c that bore hole handles is carried out in processed hole to be passed and bore hole is carried out in processed hole handle.The connecting rod fixing tool that the utility model provided can be fixed the connecting rod a that need be carried out processed, and can make connecting rod a be applied to easily in the boring process through its structural design, through using boring cutter c the through hole b of connecting rod a is carried out processed.The utility model has not only saved operating personnel's centering, alignment operation to connecting rod a in traditional grinding process; Improved operating efficiency to connecting rod a processing; Can also make connecting rod a carry out bore hole easily and handle, reduce the metallic dust and the noise pollution that cause owing to ground.
Can know that by the foregoing description the utility model positions through 2 couples of connecting rod a of locating shaft.When connecting rod a is positioned over 1 last time of fixed head, connecting rod a is gone up the location that needs processed hole aligned axle 2 to realize connecting rod a.Thereby for improve locating shaft 2 and processed between cooperate degree improve the machining accuracy of connecting rod a; The utility model is designed to tapered shaft end with going up the axle head that needs processed hole to connect with connecting rod a on the locating shaft 2; Adopt the structural design of tapered shaft end can make the part tapered shaft end extend in the processed hole, and connecting rod a is located comparatively securely.In the connecting rod a of following process, if the pore size unanimity all will be placed on the same position of locating shaft 2, so the structural design of tapered shaft end has improved the precision of connecting rod a processing.
Can know as a kind of general knowledge; In the process that connecting rod a is processed; Need between connecting rod a and the fixed head 1 often contact; Therefore inevitably can and fixed head 1 between friction or even collision take place, cause the damage of fixed head 1 thus easily, just need to change whole fixed head 1 in case fixed head 1 is destroyed.In order to improve the usage degree of fixed head 1; The utility model also provides positioning and fixing piece 11; Offer the third through-hole 11a mutually penetrating on the positioning and fixing piece 11 with the second through hole 1a; Connecting rod a and positioning and fixing piece 11 connect, and locating shaft 2 passes the processed hole butt of the second through hole 1a and third through-hole 11a and connecting rod a.Through said structure design, connecting rod a directly contacts with positioning and fixing piece 11, has avoided between connecting rod a and the fixed head 1 owing to directly contact the friction that takes place and perhaps collide, so has avoided the inessential badly destruction of fixed head 1.And,, also only need change positioning and fixing piece 11 and can realize reworking of the utility model even positioning and fixing piece 11 is damaged.
With said fixing plate 1 positioning and fixing piece 11 is set and to reduce the damage of fixed head 1 similar, in another embodiment of the utility model, the first through hole 3a is provided with gland, and boring cutter c passes gland connecting rod a is processed.Pressing plate 3 is used to push down connecting rod a, and the position of exerting pressure also offers the first through hole 3a, when through hole b local pressure excessive; Cause the damage of edges of through hole b easily; In order to improve the usage degree of pressing plate 3, the utility model provides gland, and pressing plate 3 is exerted pressure to connecting rod a through gland.
Particularly; The utility model also provides centre-to-centre spacing to regulate location-plate 5; Centre-to-centre spacing is regulated the side that location-plate 5 is arranged on the fixed head 1 and is positioned at locating shaft 2, and connecting rod a has an end and locating shaft 2 butts in processed hole, and the other end of connecting rod a and centre-to-centre spacing are regulated location-plate 5 butts.This structural design can hold connecting rod a, makes can keep comparatively by connecting rod a the state of balance is positioned on the fixed head 1.
In order to improve the positioning accuracy to connecting rod a, the utility model is regulated location-plate 5 in centre-to-centre spacing and is provided with the alignment pin 51 to connecting rod a location on the basis of the foregoing description.Those skilled in the art can know; The two ends of ordinary circumstance lower link a all offer through hole b, and when the aperture that uses the utility model to connecting rod a adds man-hour, an end of the macropore that connecting rod a has (going up aperture with respect to connecting rod a) is positioned over centre-to-centre spacing and regulates on the location-plate 5; In order to improve location degree to connecting rod a; The utility model provides alignment pin 51, and alignment pin 51 is inserted in the macropore of connecting rod a, and cooperates with locating shaft 2 and connecting rod a to be applied tension force (locating shaft 2 is aperture fixedly; Relative distance through between adjustment alignment pin 51 and the locating shaft 2 makes 51 pairs of macropores of alignment pin that a pulling force or pressure arranged).
Connecting rod a is different according to applying working condition; Has multiple size; In order to improve the versatility of the utility model; Make connecting rod fixing tool that the utility model provided can be applied to the connecting rod a of multiple size, the utility model is regulated location-plate 5 to centre-to-centre spacing and made following structure optimization: centre-to-centre spacing is regulated location-plate 5 and is mounted slidably on fixed head 1, and the glide direction that centre-to-centre spacing is regulated location-plate 5 deviates from locating shaft 2.Regulate the relative distance that location-plate 5 is regulated between alignment pin 51 and the locating shaft 2 through slip centre-to-centre spacing, thereby adapt to the connecting rod a of multiple length.Centre-to-centre spacing is regulated location-plate 5 and is mounted slidably on fixed head 1 and realizes through the screw thread pair structure; Centre-to-centre spacing is regulated on the location-plate 5 and is inserted with screw; Offer on the fixed head 1 and be used for the slideway that screw slides; Regulate the slip of location-plate 5 through the mobile realization centre-to-centre spacing of screw in slideway, and then tighten the screw top nut and fix centre-to-centre spacing adjusting location-plate 5.Certainly, slideway also can be opened in centre-to-centre spacing and regulate on the location-plate 5, is inserted with screw on the fixed head 1.
In order to realize moving of pressing plate 3; The mode that the utility model adopts cylinder to drive, particularly, the utility model also comprises second cylinder 6; The telescopic shaft of second cylinder 6 is provided with push pedal 61; Push pedal 61 is provided with carriage release lever 62, and carriage release lever 62 is connected with pressing plate 3, and second cylinder 6 drives pressing plate 3 and moves.Can realize moving of pressing plate 3 through said structure.Certainly, except adopting cylinder to realize just to realize the moving of pressing plate 3 like driving arrangements such as stepper motors.
In order to improve the automation control of the utility model, the utility model also provides automatic control system, and automatic control system can be controlled the unlatching of second cylinder 6 or close.Automatic control system comprises the pressure of detection and location axle 2 and sends the pressure sensitivity device of pressure-sensitive signal that strut device is connected with locating shaft 2.In the said structure design; After pressing plate 3 is pushed down connecting rod a; Locating shaft 2 will be in the effect recover of first cylinder 4, and the pressure between locating shaft 2 and the connecting rod a reduces at this moment, and the pressure sensitivity device detects locating shaft 2 pressure to be reduced; Automatic controlling system second cylinder 6 quits work, and begins to carry out the bore hole operation to connecting rod a through hole b then.
More than a kind of connecting rod fixing tool that the utility model provided has been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.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. connecting rod fixing tool, the through hole (b) that is used for connecting rod (a) adds the fixing of man-hour, it is characterized in that, comprising:
Place the fixed head (1) of said connecting rod (a);
Connect with the processed hole of said connecting rod (a) and to the locating shaft (2) of said connecting rod (a) location, said locating shaft (2) is connected with said fixed head (1);
The pressing plate (3) that can move along the axis direction of said locating shaft (2) offers first through hole (3a) corresponding with the processed hole of said connecting rod (a) and that boring cutter (c) is passed on the said pressing plate (3).
2. connecting rod fixing tool according to claim 1 is characterized in that, the axle head that the processed hole of said locating shaft (2) and said connecting rod (a) connects is a tapered shaft end.
3. connecting rod fixing tool according to claim 1; It is characterized in that; Also comprise first cylinder (4); One end of said locating shaft (2) and said connecting rod (a) connect, and the other end of said locating shaft (2) passes said fixed head (1) and is connected with said first cylinder (4), and the axis direction that said first cylinder (4) promotes said locating shaft (2) the said locating shaft in edge (2) moves.
4. according to each described connecting rod fixing tool of claim 1 to 3; It is characterized in that; Offer second through hole (1a) on the said fixed head (1); Said locating shaft (2) passes said second through hole (1a), and said fixed head (1) is provided with positioning and fixing piece (11), offers the third through-hole (11a) mutually penetrating with said second through hole (1a) on the said positioning and fixing piece (11); Said connecting rod (a) connects with said positioning and fixing piece (11), and said locating shaft (2) passes the processed hole butt of said second through hole (1a) and said third through-hole (11a) and said connecting rod (a).
5. connecting rod fixing tool according to claim 1 is characterized in that, said first through hole (3a) is provided with gland (31), and said boring cutter (c) passes said gland (31) said connecting rod (a) is processed.
6. connecting rod fixing tool according to claim 1; It is characterized in that; Also comprise centre-to-centre spacing adjusting location-plate (5); Said centre-to-centre spacing is regulated location-plate (5) and is arranged at the side that said locating shaft (2) was gone up and be positioned to said fixed head (1), and said connecting rod (a) has an end and said locating shaft (2) butt in processed hole, and the other end of said connecting rod (a) and said centre-to-centre spacing are regulated location-plate (5) butt.
7. connecting rod fixing tool according to claim 6 is characterized in that, said centre-to-centre spacing is regulated location-plate (5) and is provided with the alignment pin (51) to said connecting rod (a) location.
8. connecting rod fixing tool according to claim 7 is characterized in that, said centre-to-centre spacing is regulated location-plate (5) and is mounted slidably on said fixed head (1), and the glide direction that said centre-to-centre spacing is regulated location-plate (5) deviates from said locating shaft (2).
9. connecting rod fixing tool according to claim 1; It is characterized in that; Also comprise second cylinder (6), the telescopic shaft of said second cylinder (6) is provided with push pedal (61), and said push pedal (61) is provided with carriage release lever (62); Said carriage release lever (62) is connected with said pressing plate (3), and said second cylinder (6) drives said pressing plate (3) and moves.
10. according to each described connecting rod fixing tool of claim 5 to 9; It is characterized in that; Also comprise automatic control system, said automatic control system comprises the pressure sensitivity device that detects said locating shaft (2) upward pressure, and said strut device is connected with said locating shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205696938U CN202411888U (en) | 2011-12-30 | 2011-12-30 | Fixing tooling of connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205696938U CN202411888U (en) | 2011-12-30 | 2011-12-30 | Fixing tooling of connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202411888U true CN202411888U (en) | 2012-09-05 |
Family
ID=46736682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205696938U Expired - Lifetime CN202411888U (en) | 2011-12-30 | 2011-12-30 | Fixing tooling of connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202411888U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107755746A (en) * | 2017-10-31 | 2018-03-06 | 芜湖航天汽车连杆有限公司 | Crank pin end pore entirety Boring detent mechanism |
| CN107755729A (en) * | 2017-10-31 | 2018-03-06 | 芜湖航天汽车连杆有限公司 | Engine connecting rod big end hole integral processing method |
| CN107876821A (en) * | 2017-10-31 | 2018-04-06 | 芜湖航天汽车连杆有限公司 | Crank pin end pore Integral processing device |
-
2011
- 2011-12-30 CN CN2011205696938U patent/CN202411888U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107755746A (en) * | 2017-10-31 | 2018-03-06 | 芜湖航天汽车连杆有限公司 | Crank pin end pore entirety Boring detent mechanism |
| CN107755729A (en) * | 2017-10-31 | 2018-03-06 | 芜湖航天汽车连杆有限公司 | Engine connecting rod big end hole integral processing method |
| CN107876821A (en) * | 2017-10-31 | 2018-04-06 | 芜湖航天汽车连杆有限公司 | Crank pin end pore Integral processing device |
| CN107876821B (en) * | 2017-10-31 | 2020-02-18 | 芜湖航天汽车连杆有限公司 | Integral machining device for big end hole of connecting rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |