CN218697487U - Polishing equipment for connecting rod of internal combustion engine - Google Patents
Polishing equipment for connecting rod of internal combustion engine Download PDFInfo
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- CN218697487U CN218697487U CN202223035849.1U CN202223035849U CN218697487U CN 218697487 U CN218697487 U CN 218697487U CN 202223035849 U CN202223035849 U CN 202223035849U CN 218697487 U CN218697487 U CN 218697487U
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Abstract
An internal combustion engine connecting rod finishing device belongs to the technical field of internal combustion engine connecting rod processing equipment. The lower end of the transmission group is provided with a plurality of clamp groups, the lower end of the transmission group is fixedly connected with the sand box group, and the plurality of clamp groups are all arranged in the sand box group; the sand box group is arranged on the base group, and the upper end of the base group is connected with the transmission group. The utility model discloses a synchronous finishing processing of many connecting rods, the during operation, the rotation is made around the planetary gear output shaft to the connecting rod, simultaneously around revolving axle revolution in the sandbox under the gear box. The grinding particles generate certain relative movement speed with the surface of the connecting rod, the grinding particles generate certain acting force on the surface of the workpiece, and free abrasive particles can generate certain micro-grinding effects of collision, rolling, sliding and scratching on the surface of the workpiece under the action of the force and the relative movement, so that the surface of the connecting rod is polished, the surface quality of the connecting rod is improved, the physical and mechanical properties of the surface are improved, and the blank of the polishing and processing industry of the connecting rod of the internal combustion engine is filled.
Description
Technical Field
The utility model relates to a finishing equipment of internal-combustion engine connecting rod belongs to internal-combustion engine connecting rod processing equipment technical field.
Background
The surface of the part can leave rough surfaces with different degrees and various defects after mechanical processing, such as uneven surface, incomplete edges, flash and burr, collision and scratch, microcrack and the like. The quality of the part is influenced, and the assembly precision, the performance and the service life of the whole product are also influenced.
In the machining process, various machining methods and machining technologies mainly aiming at improving the surface quality of parts are called as finishing machining technologies, and the finishing machining technologies are mainly realized by grinding and polishing.
After the parts are cut and processed, the edges are rounded, the burrs are removed, the micro cracks are eliminated, the surface roughness is refined, and the physical and mechanical properties are improved, so that the final surface finishing technology of the parts is called, and is also called as a precise surface finishing technology.
The machining precision and the surface quality of the connecting rod of the internal combustion engine, which is one of the core parts of the engine, have great influence on the use of the connecting rod. Most of the part blanks are forgings or castings, the blank parts have poor luminosity, original defects of the blanks are easy to remain, and the final cleanliness of the parts is influenced; the purpose of the connecting rod finishing processing is to comprehensively improve the surface appearance quality of the connecting rod, improve the physical and mechanical properties, reduce the surface roughness value, and improve the surface hardness and the wear resistance, thereby prolonging the service life of the engine.
The existing connecting rod finishing processing is mostly manual polishing, the efficiency is low, the working strength is high, and the working environment is poor; when the connecting rod blank is subjected to shot blasting and sand treatment, finished product sand blowing cannot be realized, and the overall cleanliness and strength cannot be improved; and the existing finishing equipment mostly carries out finishing processing on a certain part of a single part, and cannot realize automatic finishing processing of all parts of a plurality of connecting rods.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the background art, the utility model provides an internal-combustion engine connecting rod finishing equipment.
The purpose is achieved, the utility model adopts the following technical proposal: a polishing device for a connecting rod of an internal combustion engine comprises a transmission set, a plurality of sets of clamp sets, a sand box set and a base set; the lower end of the transmission group is provided with a plurality of sets of clamp groups, the lower end of the transmission group is fixedly connected with the sand box group, and the plurality of sets of clamp groups are all arranged in the sand box group; the sand box group is arranged on the base group, and the upper end of the base group is connected with the transmission group.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a synchronous finishing processing of many connecting rods, the during operation, the connecting rod makes the rotation around the planetary gear output shaft, revolves in the sandbox around revolving axle under the gear box simultaneously. The grinding particles generate certain relative movement speed with the surface of the connecting rod, the grinding particles generate certain acting force on the surface of the workpiece, and free abrasive particles can generate certain micro grinding effects of collision, rolling, sliding and scratching on the surface of the workpiece under the action of force and relative movement, so that the surface of the connecting rod is polished, the surface quality of the connecting rod is improved, the physical and mechanical properties of the surface are improved, and the blank of the polishing and processing industry of the connecting rod of the internal combustion engine is filled.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a top view of the drive train;
FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic view of the structure of the clamp group;
FIG. 5 is a schematic view of the construction of the sand box cluster;
FIG. 6 is an enlarged view at B of FIG. 5;
FIG. 7 is a schematic view of a base set;
fig. 8 is a top view of fig. 7.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, rather than the whole embodiment, and all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention based on the embodiment of the present invention.
A polishing device for a connecting rod of an internal combustion engine comprises a transmission set, a plurality of sets of clamp sets, a sand box set and a base set; the lower end of the transmission group is provided with a plurality of sets of clamp groups, the lower end of the transmission group is fixedly connected with the sand box group, and the plurality of sets of clamp groups are all arranged in the sand box group; the sand box group is arranged on the base group, and the upper end of the base group is connected with the transmission group.
The transmission group comprises a first main transmission shaft 9, a second main transmission shaft 10, a gear box connecting shaft 11, an outer shell 14, a revolving motor 19, a main motor 26, a main gear 33, a gear box 38 and a plurality of planet gears 37;
the main motor 26 and the revolution motor 19 are both fixed on the outer shell 14, the main motor 26 is a main motion rotating variable frequency motor and is installed on the outer shell 14 through a main motor speed reducer base, the revolution motor 19 is fixed on a corresponding motor base through bolts, and the motor base is fixed on the outer shell 14 through bolts; the output shaft of the main motor 26 transmits power to the second main transmission shaft 10 through the transmission sleeve, and the lower end of the second main transmission shaft 10 is coaxially and fixedly connected with the first main transmission shaft 9, specifically: the lower end of the second main transmission shaft 10 is inserted into the upper end of the first main transmission shaft 9, and the flange part at the lower end of the second main transmission shaft 10 is connected with the first main transmission shaft 9 through bolts. The upper end of the outer side of the second main transmission shaft 10 is rotatably connected with the gearbox connecting shaft 11 through a GB/T276-1994 deep groove ball bearing, and the lower end of the outer side of the second main transmission shaft 10 is rotatably connected with the upper cover of the gearbox 38 through the GB/T276-1994 deep groove ball bearing; a main gear 33 is coaxially and fixedly sleeved on the outer side of the first main transmission shaft 9, and specifically comprises: the flange position of the first main transmission shaft 9 is fixedly connected with the main gear 33 through bolts, and the lower end of the first main transmission shaft 9 is rotatably connected with a bottom plate of the gear box 38, specifically: the lower part of a flange of a first main transmission shaft 9 is connected with a main bearing seat of a gear box body through a GB/T297-1994 tapered roller bearing and a GB/T276-1994 deep groove ball bearing, a hexagon socket head cap screw M16X40 of the main bearing seat of the gear box body is connected and fixed with the gear box body 38, the lower end of the first main transmission shaft 9 locks an inner ring of the GB/T276-1994 deep groove ball bearing through a flat gasket and an M160X3 locking nut,
the revolution motor 19 is in transmission connection with the gear box connecting shaft 11, and specifically comprises: the lower end of the revolution motor 19 is provided with a second chain wheel, the second chain wheel transmits power to the first chain wheel through a chain 17, the first chain wheel is arranged on a first chain wheel shaft through a bolt, and the first chain wheel shaft is matched with the gear box connecting shaft 11 through a GB/T1095-2003 common flat key b28X50 and drives the gear box connecting shaft 11 to rotate; the upper end of the gear box connecting shaft 11 is provided with a thread structure, and a chain wheel shaft is locked by using an inner diameter 280 flat pad and an M280 locking nut;
the gear box connecting shaft 11 is rotatably arranged in the outer shell 14, and specifically comprises: the upper end of the gear box connecting shaft 11 is matched with the outer shell 14 through a GB/T276-1994 deep groove ball bearing; the middle part of the gear box connecting shaft 11 is matched with the outer shell 14 through a double-row tapered roller bearing; the lower end of the outer shell 14 is provided with a first sealing cover, and the first sealing cover is provided with a GB/T3452.1-2005O-shaped sealing ring to seal with the gear box connecting shaft 11;
the lower end of the gear box connecting shaft 11 is fixedly connected with the gear box 38, and the gear box connecting shaft 11 drives the gear 38 to integrally rotate.
A plurality of planetary gears 37 are rotatably disposed in the gear box 38, and the planetary gears 37 are all meshed with the main gear 33 for power transmission.
The method specifically comprises the following steps: six planet gears 37 are fastened with planet gear shafts through bolts, the upper ends of the planet gear shafts are connected with an upper cover of the gear box 38 through GB/T276-1994 deep groove ball bearings, and six planet bearing covers are mounted on the upper cover of the gear box 38 to fix the GB/T276-1994 deep groove ball bearings; the lower end of the flange edge of the planet gear shaft is connected with a planet gear bearing seat through a GB/T297-1994 tapered roller bearing, the lower end of the planet gear shaft is locked by a GB/858-76 stop washer and a GB/T812-76M115 round nut, the planet gear bearing seat is connected with the gear box body 38 by bolts, the lower end of the planet gear bearing seat is connected with a sealing cover to fix the GB/T297-1994 tapered roller bearing, and meanwhile, a GB/T3452.1-2005O-shaped sealing ring is assembled to be in sealing fit with the planet gear shaft, so that the cleanness in the bearing is guaranteed.
The gear box 38 includes a box body and a box cover which are connected by using bolts, the box body and the box cover are positioned by pins, a plurality of main support bolts 8 are arranged between the box cover and the box body, and each main support bolt 8 is connected with the box cover and the box body by a corresponding main support nut 3, so that the gear box 38 is more stable.
Each set of the clamp groups comprises a lower clamp bottom plate 48, a lower clamp supporting plate 49, a positioning pin 50, a cam 53, an upper clamp bottom plate 56, an upper clamp supporting plate 57, a fastening nut 58, a planetary gear output shaft 59 and a cam shaft 65;
the upper end of the planetary gear output shaft 59 is fixedly connected with the planetary gear shaft of the corresponding planetary gear 37 by using bolts, the outer side of the planetary gear output shaft 59 is sleeved with a fastening nut 58, an upper clamp base plate 56 and a lower clamp base plate 48 in sequence from top to bottom, the upper clamp base plate 56 is connected with the planetary gear output shaft 59 by a GB/T1095-2003 common flat key B28X110, and the upper clamp base plate 56 is locked with the planetary gear output shaft 59 by the fastening nut 58 through threads, specifically: the upper end of the planetary gear output shaft 59 is provided with a thread structure, the thread structure is screwed with a fastening nut 58, the outer side of the upper clamp bottom plate 56 is fixedly sleeved with an upper clamp supporting plate 57 through a bolt, the outer side of the lower clamp bottom plate 48 is fixedly sleeved with a lower clamp supporting plate 49 through a GB/T70.1-2008 hexagon socket head cap screw M10X35, and the opposite surfaces of the upper clamp supporting plate 57 and the lower clamp supporting plate 49 are provided with a plurality of positioning pins 50 which are arranged in a one-to-one correspondence manner; the positioning pin 50 is matched with a connecting rod fixing hole to be finished;
the middle part of planetary gear output shaft 59 rotates perpendicularly to be pegged graft there is camshaft 65, the both ends of camshaft 65 all are fixed the cover and are equipped with cam 53, specifically do: the camshaft 65 penetrates through a hole in the middle of the planetary gear output shaft 59, the two sides of the camshaft are pressed and fixed by a planetary gear output shaft bearing cover plate through GB/T70.1-2008 inner hexagonal socket head screws M12X10, and meanwhile, GBT 3452.1-82O-shaped rings installed in an inner hole of the planetary gear output shaft bearing cover plate are matched with the outer diameter of the cam and the bearing spacer sleeve to seal the inner bearing. The cam 53 is matched with the cam shaft 65 through a GB/T1095-2003 common flat key B6X16, two sides of the cam 53 are respectively locked by GB/T95-76 washer and GB/T810-76 M18 locknut, and the inner side of the cam 53 is matched with a bearing spacer sleeve, a GB/T292-2007 angular contact ball bearing and a planetary gear output shaft 59; the two cams 53 are matched with the upper clamp bottom plate 56.
The upper end of the fastening nut 58 is provided with a locking nut 60 screwed with the planetary gear output shaft 59, so that the polished rod is prevented from falling off due to the rotation of the fastening nut 58.
The fastening nut 58 is provided with a handle 61, which is convenient for operating and twisting the fastening nut 58.
When the fastening nut 58 is rotated upward, the pressing force is released to the upper jig base plate 56, the cam shaft 65 is rotated by a wrench at this time to drive the cam 53 to rotate, the upper jig base plate 56 is lifted when the cam of the cam 53 is rotated to the high position, and after the upper jig base plate 56 is lifted, the connecting rod to be finished can be mounted to the lower jig support plate 49 and the upper jig support plate 57 and positioned by the positioning pin 50. Then, the cam shaft 65 is rotated again, so that the upper clamp supporting plate 57 and the upper clamp bottom plate 56 descend to enable the connecting rod to be polished to be pressed tightly, meanwhile, the positioning pin 50 arranged on the upper clamp supporting plate 57 is positioned, at the moment, the fastening nut 58 is rotated downwards to apply pressing force to the upper clamp bottom plate 56, and the locking nut 60 is screwed down to enable the connecting rod to be clamped firmly.
The sand box group comprises a sand box seat 72, a sand box body 73, a connecting body 74, a long key 82, a lower rotating shaft 83 of the gear box, a cooling water nozzle fulcrum 88, a liquid return mask 91, a sand box liquid outlet pipe 92 and a rubber sealing ring 93;
the upper end of the lower gearbox rotating shaft 83 is fixedly connected with the lower end of the middle part of the gearbox 38 by using bolts, the outer wall of the lower gearbox rotating shaft 83 is provided with a long key 82 along the axial direction, the long key 82 has a guiding effect on sliding, the outer side of the lower gearbox rotating shaft 83 is sleeved with a connecting body 74 in a sliding way, and the lower gearbox rotating shaft 83 is rotatably connected with the connecting body 74, specifically: the inner circle of the bearing sleeve is connected with a large long key 82 in a sliding mode, the outer circle of the bearing sleeve is matched with a GB/T288-1994 self-aligning roller bearing, a flat gasket and a GB/T858-76 stop washer are mounted at the thread position of the lower end of the bearing sleeve and fastened by using a GB/812-76 round nut M125, the GB/T858-76 stop washer can prevent the GB/812-76 round nut M125 from loosening, the outer circle of the GB/T288-1994 self-aligning roller bearing is mounted on a bearing sleeve shell, the upper end of the GB/T288-1994 self-aligning roller bearing is compressed by using an upper cover of the bearing sleeve shell, a GB/T70.1-2000 inner hexagonal round head screw I M10% x20 is used for locking, and the lower end of the bearing sleeve shell is connected with a connecting body 74 and is locked by using a GB/T70.1-2000 inner hexagonal round head screw III 10% x 35;
the connecting body 74 is arranged in the sand box body 73, the lower end of the connecting body 74 is fixedly connected with the sand box seat 72 through GB/T70.1-2000 hexagon socket head round head screws IV M14% x40, the upper end of the sand box seat 72 is fixedly connected with the sand box body 73 through GB/T70.1-2000 hexagon socket head round head screws V M14% x35, a liquid return mask 91 is arranged at the bottom of the sand box seat 72, the liquid return mask 91 is screwed with a sand box liquid outlet pipe 92, a rubber sealing ring 93 is arranged between the sand box liquid outlet pipe 92 and the sand box seat 72 for sealing, a hose is arranged at the liquid outlet end of the sand box liquid outlet pipe 92, and the hose is connected with an external circulating water tank; and a clamp group is arranged in the sand box body 73, a cooling water nozzle supporting point 88 is arranged on the sand box body 73 in a short time, the outer end of the cooling water nozzle supporting point 88 is connected with a water pipe, and the water pipe is connected with an external circulating water tank.
The base set comprises a base plate 94, a double-support rod seat 95, a guide rod 99, a sizing block 105, a horizontal adjusting bolt 109 and a hydraulic cylinder 112;
the lower end of the chassis 94 is provided with a horizontal adjusting bolt 109 through a GB/T70.1-2008 inner hexagon round nut M20X 80; a plurality of double-supporting rod seats 95 are uniformly distributed at the upper end of the chassis 94 along the circumferential direction of the chassis, and a hydraulic cylinder 112 and a guide rod 99 are arranged in each double-supporting rod seat 95;
the fixed end of the hydraulic cylinder 112 is fixedly connected with the inner bottom surface of the double-support rod seat 95, specifically: the fixed end of the hydraulic cylinder 112 is mounted on the hydraulic cylinder bottom plate 107 and is connected by using a bolt; the cylinder bottom plate 107 is mounted on the double strut mount 95. The movable end of the hydraulic cylinder 112 is connected with the outer shell 14 of the transmission set, and the hydraulic cylinder 112 ascends or descends to drive the transmission set to ascend or descend integrally; a double-support-rod-seat cover plate is arranged on the double-support-rod seat 95, the lower end of the guide rod 99 is fastened through the GB/T97.1-2002 flat-pad inner diameter 42, the GB/T858-1988 stop washer 42 and the GB/T812-1988 round nut M42, the guide rod 99 penetrates through the double-support-rod-seat cover plate, the lower end of the double-support-rod-seat cover plate locks and fixes the guide rod 99 through the GB/T97.1-2002 flat-pad inner diameter 72 and the GB/T812-1988 round nut M72, and the upper end of the double-support-rod-seat cover plate locks and fixes the guide rod 99 through the GB/T97.1-2002 flat-pad inner diameter 64, the GB/T858-1988 stop washer 64 and the GB/T812-1988 round nut M72;
the guide rod 99 is connected with the outer shell 14 of the transmission set in a sliding way; a guide sleeve is arranged in the outer shell 14 of the transmission set, a copper sleeve is arranged in the guide sleeve, and the copper sleeve and the guide post 99 are guided to ensure the stability of the lifting process of the clamp set 1;
the upper end of every double bracing pole seat 95 all is equipped with parallels 105, parallels 105 suit is in the outside of guide bar 99, and the shell body 14 and the parallels 105 contact of transmission group when pneumatic cylinder 112 descends, and parallels 105 plays the supporting role to transmission group, guarantees the stability of anchor clamps group 1 finishing operation.
The utility model discloses a work flow as follows:
s1: the hydraulic cylinder 112 drives the transmission set and the clamp set to ascend;
s2: assembling the workpieces into clamp groups, wherein one clamp group can clamp two workpieces, and six clamp groups are provided;
s3: after the workpiece is assembled, the hydraulic cylinder 112 drives the transmission set and the clamp set to descend, the outer shell 14 of the transmission set is in contact with the sizing block 105, the sizing block 105 supports the transmission set, and the stability of the finishing operation of the clamp set 1 is ensured. The workpiece clamped by the clamp group is immersed in abrasive grains in the sand box group, the main motor 26 and the revolution motor 19 are started to drive the workpiece to rotate in the sand box group, the main motor 26 provides the integral rotation power of the clamp group, and the revolution motor 19 provides the rotation power of the workpiece;
s4: after finishing, the hydraulic cylinder 112 drives the transmission set and the clamp set to rise, and the part is taken down from the clamp set, thereby completing the whole processing process.
The utility model discloses a vertical structural style, operating condition are for placing perpendicularly, and the elevating platform adopts the pneumatic cylinder system, and 12 connecting rods of clamping once relate to connecting rod axis of rotation and the rotation in the box, realize 12 connecting rods rotation and revolution in the sand box to set up the hydrologic cycle and go up the system, can in time take away residue, the precipitate in the medium.
The utility model discloses mainly by two motors as main power, the connecting rod clamping finishes the back, mainly has two motors to realize the rotation and the revolution of connecting rod, and the lift of transmission group is the up-and-down motion by the pneumatic cylinder drive to realize that the work piece reaches the appropriate position of sand box and process, the sand box of connecting rod finishing machine adopts fixed structure, and the bottom has set up back liquid mouth.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. An internal combustion engine connecting rod finishing apparatus characterized in that: the device comprises a transmission group, a plurality of sets of clamp groups, a sand box group and a base seat group; the lower end of the transmission group is provided with a plurality of sets of clamp groups, the lower end of the transmission group is fixedly connected with the sand box group, and the plurality of sets of clamp groups are all arranged in the sand box group; the sand box group is arranged on the base group, and the upper end of the base group is connected with the transmission group.
2. An internal combustion engine connecting rod finishing apparatus as defined in claim 1, wherein: the transmission group comprises a first main transmission shaft (9), a second main transmission shaft (10), a gear box connecting shaft (11), an outer shell (14), a revolving motor (19), a main motor (26), a main gear (33), a gear box (38) and a plurality of planetary gears (37); the main motor (26) and the revolution motor (19) are fixed on the outer shell (14), an output shaft of the main motor (26) transmits power to the second main transmission shaft (10), the lower end of the second main transmission shaft (10) is coaxially and fixedly connected with the first main transmission shaft (9), the upper end of the outer side of the second main transmission shaft (10) is rotatably connected with the gear box connecting shaft (11), and the lower end of the outer side of the second main transmission shaft (10) is rotatably connected with the upper cover of the gear box (38); the coaxial fixed cover in outside of final drive shaft (9) is equipped with master gear (33), and the lower extreme of final drive shaft (9) rotates with the bottom plate of gear box (38) to be connected, revolution motor (19) are connected with gear box connecting axle (11) transmission, gear box connecting axle (11) rotate and set up in shell (14), the lower extreme and gear box (38) fixed connection of gear box connecting axle (11), gear box (38) internal rotation is equipped with a plurality of planetary gear (37), a plurality of planetary gear (37) all are connected with master gear (33) meshing.
3. An internal combustion engine connecting rod finishing apparatus as defined in claim 2, wherein: the gearbox (38) comprises a box body and a box cover which are connected through bolts, a plurality of main supporting bolts (8) are arranged between the box cover and the box body, and each main supporting bolt (8) is connected with the box cover and the box body through a corresponding main supporting nut (3).
4. An internal combustion engine connecting rod finishing apparatus as defined in claim 2 or 3, wherein: each set of clamp group comprises a lower clamp bottom plate (48), a lower clamp supporting plate (49), a positioning pin (50), a cam (53), an upper clamp bottom plate (56), an upper clamp supporting plate (57), a fastening nut (58), a planetary gear output shaft (59) and a cam shaft (65); the upper end of the planetary gear output shaft (59) is fixedly connected with a planetary gear shaft of a corresponding planetary gear (37), the outer side of the planetary gear output shaft (59) is sequentially sleeved with a fastening nut (58), an upper clamp bottom plate (56) and a lower clamp bottom plate (48) from top to bottom, the upper clamp bottom plate (56) is in threaded locking with the planetary gear output shaft (59) through the fastening nut (58), an upper clamp supporting plate (57) is fixedly sleeved on the outer side of the upper clamp bottom plate (56), a lower clamp supporting plate (49) is fixedly sleeved on the outer side of the lower clamp bottom plate (48), and a plurality of positioning pins (50) which are arranged in one-to-one correspondence are arranged on opposite surfaces of the upper clamp supporting plate (57) and the lower clamp supporting plate (49); the middle part of the planetary gear output shaft (59) is vertically and rotatably inserted with a cam shaft (65), two ends of the cam shaft (65) are fixedly sleeved with cams (53), and the two cams (53) are matched with the upper clamp bottom plate (56).
5. An internal combustion engine connecting rod finishing apparatus as defined in claim 4, wherein: and the upper end of the fastening nut (58) is provided with a locking nut (60) screwed with the planetary gear output shaft (59).
6. An internal combustion engine connecting rod finishing apparatus as defined in claim 5, wherein: and a handle (61) is arranged on the fastening nut (58).
7. An internal combustion engine connecting rod finishing apparatus as defined in claim 6, wherein: the sand box group comprises a sand box seat (72), a sand box body (73), a connecting body (74), a long key (82), a gear box lower rotating shaft (83), a cooling water nozzle fulcrum (88), a liquid return mask (91), a sand box liquid outlet pipe (92) and a rubber sealing ring (93); the upper end of a lower rotating shaft (83) of the gear box is fixedly connected with the lower end of the middle part of the gear box (38), the outer wall of the lower rotating shaft (83) of the gear box is provided with a large long key (82), the outer side of the lower rotating shaft (83) of the gear box is sleeved with a connecting body (74) in a sliding mode, the lower rotating shaft (83) of the gear box is rotatably connected with the connecting body (74), the connecting body (74) is arranged in a sand box body (73), the lower end of the connecting body (74) is fixedly connected with a sand box base (72), the upper end of the sand box base (72) is fixedly connected with the sand box body (73), the bottom of the sand box base (72) is provided with a liquid return mask (91), the liquid return mask (91) is rotatably connected with a sand box liquid outlet pipe (92) in a threaded mode, and a rubber sealing ring (93) is arranged between the sand box liquid outlet pipe (92) and the sand box base (72); and a clamp group is arranged in the sand box body (73), and the upper short time of the sand box body (73) is provided with a cooling water nozzle fulcrum (88).
8. An internal combustion engine connecting rod finishing apparatus as defined in claim 2 or 7, wherein: the base group comprises a chassis (94), a double-support-rod seat (95), a guide rod (99), a sizing block (105), a horizontal adjusting bolt (109) and a hydraulic cylinder (112); the lower end of the chassis (94) is provided with a horizontal adjusting bolt (109); the upper end of the chassis (94) is provided with a plurality of double supporting rod seats (95), and each double supporting rod seat (95) is internally provided with a hydraulic cylinder (112) and a guide rod (99); the fixed end of the hydraulic cylinder (112) is fixedly connected with the inner bottom surface of the double-support-rod seat (95), the movable end of the hydraulic cylinder (112) is connected with the outer shell (14) of the transmission group, and the guide rod (99) is in sliding connection with the outer shell (14) of the transmission group; the upper end of each double-support rod seat (95) is provided with a sizing block (105), and the sizing block (105) is sleeved on the outer side of the guide rod (99).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223035849.1U CN218697487U (en) | 2022-11-11 | 2022-11-11 | Polishing equipment for connecting rod of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223035849.1U CN218697487U (en) | 2022-11-11 | 2022-11-11 | Polishing equipment for connecting rod of internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218697487U true CN218697487U (en) | 2023-03-24 |
Family
ID=85619473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223035849.1U Active CN218697487U (en) | 2022-11-11 | 2022-11-11 | Polishing equipment for connecting rod of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218697487U (en) |
-
2022
- 2022-11-11 CN CN202223035849.1U patent/CN218697487U/en active Active
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