CN217530427U

CN217530427U - Diesel engine crankshaft polishing equipment

Info

Publication number: CN217530427U
Application number: CN202221499078.9U
Authority: CN
Inventors: 许鹏忠; 林浩; 何芳来
Original assignee: Anqing CSSC Diesel Engine Co Ltd
Current assignee: Anqing CSSC Diesel Engine Co Ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-10-04
Anticipated expiration: 2032-06-16

Abstract

The utility model discloses a diesel engine bent axle polishing equipment in diesel engine bent axle processing equipment technical field, include: the base, the supporting mechanism who is located between two sets of chucks is installed to the top of base, the supporting mechanism is including installing the mounting panel in the base top, the installation cover is installed to mounting panel top wall, the carriage that reciprocates has been inserted to the installation cover inner chamber, the elastic component that is used for supporting the carriage is installed to installation cover inner chamber, the installing frame is installed on the top of carriage, the guide pulley that is used for supporting the bent axle is installed in the rotation of installing frame inner chamber, and the guide pulley through supporting mechanism contacts with the bottom wall of bent axle in the device, supports the bent axle, and the gravity that the chuck received when reducing bent axle polishing man-hour avoids gravity too big and leads to bent axle and drive box junction to take place to buckle, avoids consequently and influences the quality of bent axle polishing.

Description

Diesel engine crankshaft polishing equipment

Technical Field

The utility model relates to a diesel engine bent axle processing equipment technical field specifically is a diesel engine bent axle polishing equipment.

Background

The crankshaft is an important part of the diesel engine and is a mechanism for connecting with a connecting rod of the diesel engine.

The existing crankshaft needs to be polished in the production and processing process, two ends of the crankshaft are generally fixed on a chuck during polishing, the chuck is driven to rotate by a driving mechanism, the crankshaft is rotated, and then the crankshaft is polished by contacting the polishing mechanism with the crankshaft;

however, when a crankshaft with a large volume is machined, only two ends of the crankshaft are fixed during machining, and the weight of the crankshaft is large, so that the gravity borne by the chuck is large, and the joint of the chuck and the driving mechanism is easily stressed to be too large and bent or damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a diesel engine bent axle polishing equipment to the solution is proposed in the above-mentioned background art when the great bent axle of processing volume, because of adding the both ends of only fixed bent axle man-hour, and the weight of bent axle is great, and the gravity that can lead to the chuck to receive is great, leads to the too big problem of emergence bending or damage of chuck and actuating mechanism's junction pressurized easily.

In order to achieve the above object, the utility model provides a following technical scheme: a diesel engine crankshaft buffing apparatus comprising: the device comprises a base, driving boxes are arranged on two side walls of the top of the base, chucks are arranged on an output shaft on the inner side of each driving box, a supporting mechanism between the two chucks is arranged above the base,

the supporting mechanism comprises a mounting plate mounted above the base, a mounting sleeve is mounted on the top wall of the mounting plate, a moving rod which moves up and down is inserted into an inner cavity of the mounting sleeve, an elastic piece used for supporting the moving rod is mounted in the inner cavity of the mounting sleeve, a mounting frame is mounted on the top end of the moving rod, and a guide wheel used for supporting a crankshaft is mounted in the inner cavity of the mounting frame in a rotating mode.

Preferably, the inner cavity of the mounting sleeve is slidably provided with a support block which is used for supporting the elastic element and can carry the elastic element to move up and down,

the mounting device comprises a support block and is characterized in that a pulling block which is used for driving the support block to move up and down and extend to the outside of a mounting sleeve is mounted on the side wall of the support block, a longitudinal sliding groove is formed in the connecting part of the mounting sleeve and the pulling block, a fixing block is sleeved on the outer wall of the pulling block, and a fixing bolt used for fixing the pulling block is screwed on the outer wall of the fixing block.

Preferably, the moving rod comprises a mounting rod connected with the bottom wall of the mounting frame, the bottom wall of the mounting rod is provided with a mounting hole extending upwards, a moving connecting rod is inserted in the inner cavity of the mounting hole in a sliding manner, an elastic element for preventing the moving connecting rod from moving into the inner cavity of the mounting hole is mounted in the inner cavity of the mounting hole, a moving rod inserted in the inner cavity of the mounting sleeve in a sliding manner is mounted at the bottom end of the moving connecting rod,

the mounting hole inner cavity is filled with air, the air bag is mounted on the outer wall of the mounting frame, and the air bag is communicated with the mounting hole inner cavity through a hose.

Preferably, the top wall of the base is provided with a moving groove extending towards the driving box, and the bottom wall of the mounting plate is provided with a moving block inserted in an inner cavity of the moving groove in a sliding manner.

Preferably, the mounting plate comprises a moving plate connected with a moving block, a guide groove perpendicular to the moving groove is formed in the upper portion of the moving plate, a guide block is inserted into an inner cavity of the guide groove in a sliding mode, and the moving plate connected with the mounting sleeve is mounted on the top wall of the guide block.

Compared with the prior art, the beneficial effects of the utility model are that: the guide wheel of the supporting mechanism is in contact with the bottom wall of the crankshaft to support the crankshaft, so that the gravity of the chuck is reduced during crankshaft polishing, the phenomenon that the joint of the crankshaft and the driving box is bent due to overlarge gravity is avoided, and the influence on the crankshaft polishing quality is avoided.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of the supporting mechanism of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 4 is an enlarged schematic view of the structure at the position B of the present invention.

In the figure: 1. a base; 2. a drive box; 3. a chuck; 4. mounting a plate; 41. moving the plate; 42. a movable plate; 5. installing a sleeve; 6. a travel bar; 61. a movable rod; 62. moving the connecting rod; 63. mounting a rod; 7. a guide wheel; 8. a moving groove; 9. installing a frame; 10. supporting a block; 11. an elastic member; 12. a fixed block; 13. pulling the block; 14. a hose; 15. an air bag.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1, a diesel engine crankshaft polishing apparatus includes: the device comprises a base 1, wherein driving boxes 2 (according to the directions shown in figure 1) are respectively arranged on the left side wall and the right side wall of the top of the base 1, driving motors are arranged in the driving boxes 2, output shafts of the driving motors penetrate out of the driving boxes 2 to be connected with chucks 3, the chucks 3 are positioned between the two groups of driving boxes 2, the chucks 3 are used for fixing crankshafts, two ends of each crankshaft are respectively fixed on the two chucks 3, the driving motors work to enable the chucks 3 to drive the crankshafts to rotate, the crankshafts are polished by utilizing polishing equipment to be in contact with the crankshafts, the polishing equipment belongs to the existing equipment, the existing equipment is not described in detail, and electric equipment related in the device is electrically connected with an external power switch through a lead;

referring to fig. 1 and 2, a supporting mechanism is installed on the top wall of the base 1, the supporting mechanism is located between two chucks 3, the supporting mechanism supports the crankshaft,

the supporting mechanism specifically comprises a mounting plate 4, a mounting sleeve 5, a moving rod 6, a guide wheel 7, a mounting frame 9 and other components, the mounting plate 4 is mounted above the base 1, the mounting sleeve 5 is mounted on the top wall of the mounting plate 4, the mounting sleeve 5 is vertically mounted, the moving rod 6 is slidably inserted into an inner cavity of the mounting sleeve 5, the moving rod 6 can move up and down in the inner cavity of the mounting sleeve 5, an elastic part 11 (spring) is mounted between the bottom of the inner cavity of the mounting sleeve 5 and the bottom wall of the moving rod 6, the mounting frame 9 is mounted at the top end of the moving rod 6, the guide wheel 7 is rotatably mounted in the inner cavity of the mounting frame 9, the guide wheel 7 is in contact with the crankshaft from the lower part to support the crankshaft, so that the pressure applied to the chuck 3 is reduced, and in the process of rotating and polishing of the crankshaft, the supporting mechanism can be in continuous contact with the crankshaft, can also be in intermittent contact with the crankshaft, and can also reduce the pressure applied to the chuck 3;

referring to fig. 1, a transverse moving groove 8 is formed in the top wall of a base 1, two sides of the moving groove 8 extend towards a driving box 2 (according to the direction shown in fig. 1), a moving block is installed on the bottom wall of an installation plate 4 and inserted into an inner cavity of the moving groove 8, the moving block can move left and right in the inner cavity of the moving groove 8, so that the position of a supporting mechanism above the base 1 can be adjusted, the moving block can move upwards and can be removed from the inner cavity of the moving groove 8, and other supporting mechanisms can be added (the moving block with the added supporting mechanism is inserted into the inner cavity of the moving groove 8) to reduce the pressure on a chuck 3;

referring to fig. 2, the mounting plate 4 includes a moving plate 41 and a moving plate 42, a bottom wall of the moving plate 41 is connected to a top wall of the moving block, a longitudinal guide groove is formed above the moving plate 41, the guide groove is perpendicular to the moving groove 8, a guide block is installed on a bottom wall of the moving plate 42, the guide block is inserted into an inner cavity of the guide groove, and the guide block can move back and forth in the inner cavity of the guide groove, so that the supporting mechanism can move back and forth above the base 1, the position of the supporting mechanism can be changed, and the supporting mechanism can meet different use requirements.

Example 2:

referring to fig. 2 and 3, on the basis of embodiment 1, a support block 10 is slidably mounted in an inner cavity of a mounting sleeve 5, the support block 10 can move up and down, a top wall of the support block 10 is connected with a bottom end of an elastic member 11, a pull block 13 is mounted on a right side wall of the support block 10, a right end of the pull block 13 extends to the outer side of the right part of the mounting sleeve 5 (in the direction shown in fig. 2 and 3), a sliding groove is formed in a connecting part of the mounting sleeve 5 and the pull block 13, the sliding groove is longitudinally arranged, so that the pull block 13 can move up and down in the inner cavity of the sliding groove and is used for driving the support block 10 to move up and down, a fixed block 12 is sleeved on an outer wall of the pull block 13, a fixed bolt is screwed on the outer wall of the right side of the fixed block 12, the left end of the fixed bolt penetrates through the fixed block 12 to be attached to the outer wall of the mounting sleeve 5, the pull block 13 and the support block 10 are fixed, when crankshafts of different specifications are processed, the crankshafts are processed, the support blocks 13 are moved up and down by moving up and down, the support block 10 and the elastic member 11 is used for changing the position of the elastic member 11, so that the moving rod 6 can move up and down, and the support mechanism can adapt to the processing requirements of guide wheels of crankshafts of different specifications;

referring to fig. 2 and 4, the moving rod 6 includes a moving rod 61, a moving connecting rod 62, a mounting rod 63 and an elastic element, the mounting rod 63 is mounted on the bottom wall of the mounting frame 9, a mounting hole is formed in the bottom wall of the mounting rod 63, the moving connecting rod 62 is slidably inserted into the inner cavity of the mounting hole, the moving connecting rod 62 can move up and down in the inner cavity of the mounting hole, the elastic element (spring) is mounted between the top of the inner cavity of the mounting hole and the top wall of the moving connecting rod 62, the bottom end of the moving connecting rod 62 is connected with the moving rod 61, the moving rod 61 is slidably inserted into the inner cavity of the mounting sleeve 5, the inner cavity of the mounting hole is filled with air, the outer wall of the moving connecting rod 62 and the inner wall of the mounting hole are sealed to prevent air leakage in the mounting hole, an air bag 15 is mounted on the outer wall of the mounting frame 9, the air bag 15 is communicated with the inner cavity of the mounting hole through a hose 14, when the guide wheel 7 contacts the crankshaft, the moving rod 6 is under pressure, the moving rod 62 can move into the inner cavity of the mounting hole, the moving rod 62 can be extruded into the inner cavity of the air bag 15, the mounting hole, the moving rod can be extruded to ensure that the length of the moving rod 6 can be extruded to be conveniently adjusted, and the support the crankshaft 7 can provide a supporting force for the guide wheel 7, so as to provide a supporting force for the crankshaft, and a supporting mechanism can be conveniently;

compared with the embodiment 1, the supporting block 10, the pulling block 13 and other parts are added, so that the supporting block 10 can drive the elastic part 11 to move up and down, the moving rod 6 drives the guide wheel 7 to move up and down, the supporting mechanism is suitable for the processing requirements of crankshafts of different specifications, and the supporting force provided by the guide wheel 7 to the crankshafts is ensured not to be too large or too small.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A diesel engine crankshaft buffing apparatus comprising: base (1), drive case (2) are all installed to the both sides wall at base (1) top, install chuck (3), its characterized in that on the inboard output shaft of drive case (2): a supporting mechanism arranged between the two groups of chucks (3) is arranged above the base (1),

wherein, supporting mechanism is including installing mounting panel (4) in base (1) top, mounting panel (4) top wall is installed installation cover (5), carriage release lever (6) that reciprocate are inserted to installation cover (5) inner chamber, elastic component (11) that are used for supporting carriage release lever (6) are installed to installation cover (5) inner chamber, installing frame (9) are installed on the top of carriage release lever (6), installing frame (9) inner chamber rotates installs guide pulley (7) that are used for supporting the bent axle.

2. The diesel engine crankshaft buffing apparatus of claim 1 wherein: a supporting block (10) which is used for supporting the elastic piece (11) and can bring the elastic piece (11) to move up and down is arranged in the inner cavity of the mounting sleeve (5) in a sliding way,

the mounting structure is characterized in that a pulling block (13) which is used for driving the supporting block (10) to move up and down and extend to the outer side of the mounting sleeve (5) is mounted on the side wall of the supporting block (10), a longitudinal sliding groove is formed in the connecting portion of the mounting sleeve (5) and the pulling block (13), a fixing block (12) is sleeved on the outer wall of the pulling block (13), and a fixing bolt used for fixing the pulling block (13) is connected to the outer wall of the fixing block (12) in a threaded mode.

3. The diesel engine crankshaft buffing apparatus of claim 1 wherein: the movable rod (6) comprises an installation rod (63) connected with the bottom wall of the installation frame (9), the bottom wall of the installation rod (63) is provided with an upward extending installation hole, a movable connecting rod (62) is inserted into the inner cavity of the installation hole in a sliding manner, an elastic element used for preventing the movable connecting rod (62) from moving into the inner cavity of the installation hole is installed in the inner cavity of the installation hole, a movable rod (61) inserted into the inner cavity of the installation sleeve (5) in a sliding manner is installed at the bottom end of the movable connecting rod (62),

the air bag type air-conditioner is characterized in that the inner cavity of the mounting hole is filled with air, an air bag (15) is mounted on the outer wall of the mounting frame (9), and the air bag (15) is communicated with the inner cavity of the mounting hole through a hose (14).

4. The diesel engine crankshaft buffing apparatus of claim 1 wherein: the wall of the top of the base (1) is provided with a moving groove (8) extending towards the driving box (2), and the wall of the bottom of the mounting plate (4) is provided with a moving block inserted into the inner cavity of the moving groove (8) in a sliding manner.

5. The diesel engine crankshaft buffing apparatus of claim 4 wherein: the mounting plate (4) comprises a moving plate (41) connected with a moving block, a guide groove perpendicular to the moving groove (8) is formed in the upper portion of the moving plate (41), a guide block is inserted into the inner cavity of the guide groove in a sliding mode, and the moving plate (42) connected with the mounting sleeve (5) is mounted on the top wall of the guide block.