CN210756578U

CN210756578U - Quick die change tool of engine crankshaft

Info

Publication number: CN210756578U
Application number: CN201921343659.1U
Authority: CN
Inventors: 宗绪顺
Original assignee: Shenyang Lioho Machinery Co ltd
Current assignee: Shenyang Lioho Machinery Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-06-16
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a quick retooling tool of engine crankshaft, the test platform comprises a support, the inside of frame is equipped with the station, and two the station sets up in the inside left and right sides of frame, and two the inside of station all is equipped with the hydro-cylinder, and two the hydro-cylinder holding is in the inside of station, and two the hydro-cylinder all with frame bolted connection. This quick retooling tool of engine crankshaft, the cooperation pushes up the dish, first hood, first hoop, second hood and second hood are fixed the top of first body and second body respectively, and then realize by the quick retooling between first work piece to the second work piece processing production, the complicated process of traditional workman dismantlement fixing bolt and quick clamp has been abandoned, work efficiency is greatly improved and manufacturing cost is reduced, and under the limiting action of baffle and fixed pin, the precision of first body and second body location has been promoted, and is suitable for being generalized to use.

Description

Quick die change tool of engine crankshaft

Technical Field

The utility model relates to an engine crankshaft utensil technical field specifically is a quick retooling tool of engine crankshaft.

Background

The crankshaft is the most important part in the engine, bears the force transmitted by the connecting rod, converts the force into torque, outputs the torque through the crankshaft and drives other accessories on the engine to work, and the crankshaft bears the action of bending and twisting load under the combined action of centrifugal force of rotating mass, gas inertia force with periodic change and reciprocating inertia force, so that the crankshaft is required to have enough strength and rigidity, and the surface of a journal needs to be wear-resistant, work is uniform and balance is good;

when the existing engine crankshaft is produced and processed, because the traditional structural design concept is adopted, a single workpiece is adopted for processing, the inner surface and the outer surface of the crankshaft need to be processed separately, two jigs with different specifications are adopted, the processing is complex, the working procedures are more, meanwhile, the workpiece is thin and high, and the positioning precision and the processing stability of the workpiece are reduced; in addition, the jig is bulky due to the mode of 'multi-station and single-workpiece independent positioning and clamping', the number of oil cylinders is increased due to the instability of processing, and the production cost of enterprises is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick retooling tool of engine crankshaft to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a quick die change jig for an engine crankshaft comprises a machine base, stations are arranged inside the machine base, two stations are arranged on the left side and the right side inside the machine base, oil cylinders are arranged inside the two stations and are accommodated inside the stations, the two oil cylinders are all connected with the machine base through bolts, pistons are arranged at the output ends of the two oil cylinders and are movably connected with the oil cylinders, a top plate is arranged at the top of the machine base and is rectangular, the top plate is connected with the machine base through bolts, a first chassis and a second chassis are sequentially arranged on the top of the top plate from left to right and are respectively connected with the top plate through bolts, a first body is sleeved on the top of the first chassis, the first chassis is matched with the first body, a first workpiece is arranged between the first chassis and the first body, and the first workpiece is matched with the first body, and the piston penetrates through the first body, the top of the first body is provided with a top disc, the top disc is in an annular shape, the top disc is matched with the top of the first body, the top of the top disc is provided with a first top hoop, the first top hoop is in threaded connection with the piston and has an opposite direction, the top of the first top hoop is provided with a first top cap, the first top cap is in threaded connection with the first top hoop and has an opposite direction, the top of the second chassis is provided with a second body, the second body is movably spliced with the second chassis, a second workpiece is accommodated in the second body, the piston penetrates through the second body and is connected with the piston in a sleeved mode, the top of the second body is provided with a second top hoop, the second top hoop is in threaded connection with the piston and has an opposite direction, the top of the second top hoop is provided with a second top cap, and the second top cap is in threaded connection with the second top hoop and has an opposite direction.

Preferably, the left and right sides at roof top all is equipped with the handle, and four the handle symmetry sets up at the roof top, and the handle is convenient for remove or transport the frame.

Preferably, the left and right sides of first chassis and second chassis bottom all is equipped with the fixed pin, and four the fixed pin all with roof bolted connection, and the fixed pin is used for restricting the displacement on first chassis and second chassis, makes the connection on first chassis and second chassis and roof more firm, avoids first chassis and second chassis to appear being connected the unstability with the roof and leads to the work piece to rock man-hour.

Preferably, the below of fixed pin is equipped with the baffle, and four the baffle all with roof bolted connection, and the baffle is used for present first chassis and second chassis back-and-forth movement, makes the connection of first chassis and second chassis and roof more firm, avoids adding man-hour first chassis and second chassis and roof to appear being connected the shakiness and lead to the work piece to rock.

Preferably, the left side of the outside of the engine base is provided with a control valve, the two oil cylinders are connected with an external oil pump through the control valve, and the control valve is connected with the external oil pump and used for conveying oil into the two oil cylinders.

Compared with the prior art, the beneficial effects of the utility model are that: the engine crankshaft rapid die change jig has the advantages that through the cooperation between the first body and the second body, under the action of the oil cylinder and the piston, the first body and the second body are in two forms of the utility model, the first body is in a positive form, the second body is in a leading form, the matching top disc, the first top cap, the first top hoop, the second top cap and the second top hoop are respectively used for fixing the tops of the first body and the second body, so that the rapid die change from the first workpiece to the second workpiece is realized, the traditional complex process of disassembling a fixing bolt and a quick clamp by a worker is abandoned, the working efficiency is greatly improved, the production cost is reduced, the positioning accuracy of the first body and the second body is improved under the limiting action of a baffle and a fixing pin, the defect that the traditional jig cannot process a plurality of workpieces is overcome, the positioning accuracy of the existing engine crankshaft to the workpieces is not high, practical function is single shortcoming, the work efficiency and the life of this quick retooling tool of engine crankshaft have been improved, when having avoided using, need use the shortcoming of two kinds of tools to work piece processing, the manufacturing cost of enterprise has been reduced, still let current quick retooling tool of engine crankshaft can obtain more recognition on market, the product quality of this quick retooling tool of engine crankshaft has been improved, user's purchasing cost has been saved, the wasting of resources of engine crankshaft tool has been avoided, and is suitable for being generalized to use.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a sectional view taken along line A of FIG. 1;

fig. 3 is a side view of the present invention.

In the figure: 1. the device comprises a base, 2, stations, 3, an oil cylinder, 4, a control valve, 5, a piston, 6, a top plate, 7, a fixing pin, 8, a handle, 9, a first chassis, 10, a second chassis, 11, a first body, 12, a second body, 13, a top plate, 14, a first top cap, 15, a first top hoop, 16, a second top hoop, 17, a second top cap, 18, a baffle, 19, a first workpiece, 20 and a second workpiece.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a quick die change jig for an engine crankshaft comprises a machine base 1, wherein the machine base 1 is made of metal and used for fixing a top plate 6 and oil cylinders 3, a control valve 4 is arranged on the left side of the outer portion of the machine base 1, the two oil cylinders 3 are connected with an external oil pump through the control valve 4, the control valve 4 is connected with the external oil pump and used for conveying oil into the two oil cylinders 3, stations 2 are arranged inside the machine base 1, the two stations 2 are arranged on the left side and the right side of the inner portion of the machine base 1, the oil cylinders 3 are arranged inside the two stations 2, the two oil cylinders 3 are accommodated inside the stations 2, the two oil cylinders 3 are both connected with the machine base 1 through bolts, pistons 5 are arranged at the output ends of the two oil cylinders 3, the pistons 5 are movably connected with the oil cylinders 3, the top plate 6 is arranged at the top of the machine base 1, the top plate 6 is made of metal and used for, the top plate 6 is connected with the machine base 1 through bolts, the left side and the right side of the top plate 6 are respectively provided with a handle 8, the four handles 8 are symmetrically arranged at the top of the top plate 6, the handles 8 are convenient for moving or transferring the machine base 1, the top of the top plate 6 is sequentially provided with a first chassis 9 and a second chassis 10 from left to right, the first chassis 9 and the second chassis 10 are made of metal materials, the first chassis 9 is used for fixing a first body 11 and is high in positioning accuracy with the first body 11, the second chassis 10 is used for fixing a second body 12, the positioning accuracy with the second body 12 is high, the first chassis 9 and the second chassis 10 are respectively connected with the top plate 6 through bolts, the left side and the right side of the bottoms of the first chassis 9 and the second chassis 10 are respectively provided with a fixed pin 7, the four fixed pins 7 are respectively connected with the top plate 6 through bolts, the fixed pins 7 are used for limiting the displacement of the first chassis 9 and the second chassis 10, so that the first chassis 9 and the second chassis 10 are more, the tool has the advantages that the workpiece shaking caused by unstable connection of the first chassis 9 and the second chassis 10 with the top plate 6 during machining is avoided, the baffle plates 18 are arranged below the fixing pins 7, the four baffle plates 18 are all in bolted connection with the top plate 6, the baffle plates 18 are used for moving the first chassis 9 and the second chassis 10 back and forth, so that the first chassis 9 and the second chassis 10 are connected with the top plate 6 more firmly, the workpiece shaking caused by unstable connection of the first chassis 9 and the second chassis 10 with the top plate 6 during machining is avoided, the first body 11 is sleeved on the top of the first chassis 9, the first body 11 and the second body 12 are in two forms of the tool, the first body 11 is in a positive form, the second body 12 is in an inverted form, crankshafts in two specifications can be fixed, the two specifications can be produced simultaneously, the rapid conversion from one specification to the other specification can be realized, the production efficiency is improved, and the labor cost is reduced, the first bottom disc 9 is matched with the first body 11, a first workpiece 19 is arranged between the first bottom disc 9 and the first body 11, the first workpiece 19 and a second workpiece 20 are two crankshafts with different specifications, the first workpiece 19 is matched with the first body 11, the piston 5 penetrates through the first body 11, the top of the first body 11 is provided with a top disc 13, the top disc 13 is used for fixing the top of the first body 11, the top disc 13 is in an annular shape, the top disc 13 is matched with the top of the first body 11, the top of the top disc 13 is provided with a first top hoop 15, the first top hoop 15 is used for clamping the top disc 13, the first top cap 14 is used for limiting the displacement of the first top hoop 15, so that the connection between the top disc 13 and the first body 11 is firmer, the first top hoop 15 is in threaded connection with the piston 5, the direction of the first top hoop 15 is opposite, the top of the first top hoop 15 is provided with a first top cap 14, and the first top hoop 14 is in threaded connection with the first top hoop 15, the second body 12 is arranged at the top of the second chassis 10, the second body 12 is movably inserted into the second chassis 10, the second workpiece 20 is accommodated in the second body 12, the piston 5 penetrates through the second body 12, the second workpiece 20 is connected with the piston 5 in a sleeved mode, the second top hoop 16 is arranged at the top of the second body 12, the second top hoop 16 is made of metal and is made of the same material as the first top hoop 15 and used for clamping the second body 12, the second top hoop 16 is in threaded connection with the piston 5 in an opposite direction, the second top cap 17 is arranged at the top of the second top hoop 16, the second top cap 17 and the first top cap 14 are made of metal and are used for limiting the displacement of the second top hoop 16, so that the connection between the second top hoop 16 and the second body 12 is firmer, and the second top cap 17 is in threaded connection with the second top hoop 16 in an opposite direction.

A quick die change jig for an engine crankshaft is composed of a machine base 1, stations 2, oil cylinders 3, control valves 4, pistons 5, a top plate 6, a fixing pin 7, a handle 8, a first chassis 9, a second chassis 10, a first body 11, a second body 12, a top plate 13, a first top cap 14, a first top hoop 15, a second top hoop 16, a second top cap 17, a baffle plate 18 and other parts, wherein main matching sizes, particularly interference matching sizes and related precision of the parts are rechecked before assembly, when the same part is fastened by a plurality of screws (bolts), all the screws (bolts) need to be crossed, symmetrical, gradual and uniformly screwed, when the quick die change jig is used, the control valves 4 on the left side of the machine base 1 are connected with an external oil pump, oil is supplied to the two oil cylinders 3 in the two stations 2 of the machine base 1 through the external oil pump, so that the oil cylinders 3 can drive the pistons 5 to lift and clamp and fix a first workpiece 19 and a second workpiece 20, the complex operation that the traditional jig needs manual bolt disassembly and quick clamping to clamp and fix the jig is abandoned, wherein the station 2 positioned on the left side of the machine base 1 is used for clamping and fixing the first workpiece 19, the station 2 positioned on the right side of the machine base 1 is used for clamping and fixing the second workpiece 20, the first body 11 and the second body 12 are two forms of the jig body, the first body 11 is in a positive form, the second body 12 is in an inverted form, the first workpiece 19 and the second workpiece 20 are crankshafts of different specifications, the first top hoop 15 and the first top cap 14 of the top disc 13 which is matched with the first body 11 and used for fixing the top of the first workpiece 19 in the positive state are used for fixing the second workpiece 20, and the quick replacement of the die from the first workpiece 19 to the second workpiece 20 is realized, the processing efficiency is improved, and the production cost is reduced.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. The utility model provides a quick retooling tool of engine crankshaft, includes frame (1), its characterized in that: the machine base (1) is internally provided with stations (2), two stations (2) are arranged on the left side and the right side of the interior of the machine base (1), oil cylinders (3) are arranged in the two stations (2), the two oil cylinders (3) are accommodated in the interior of the stations (2), the two oil cylinders (3) are connected with the machine base (1) through bolts, the output ends of the two oil cylinders (3) are respectively provided with a piston (5), the pistons (5) are movably connected with the oil cylinders (3), the top of the machine base (1) is provided with a top plate (6), the top plate (6) is rectangular, the top plate (6) is connected with the machine base (1) through bolts, the top of the top plate (6) is sequentially provided with a first chassis (9) and a second chassis (10) from left to right, and the first chassis (9) and the second chassis (10) are respectively connected with the top plate (6) through bolts, a first body (11) is sleeved on the top of the first chassis (9), the first chassis (9) is matched with the first body (11), a first workpiece (19) is arranged between the first chassis (9) and the first body (11), the first workpiece (19) is matched with the first body (11), the piston (5) penetrates through the first body (11), a top disc (13) is arranged on the top of the first body (11), the top disc (13) is annular, the top disc (13) is matched with the top of the first body (11), a first top hoop (15) is arranged on the top of the top disc (13), the first top hoop (15) is in threaded connection with the piston (5) and is opposite in direction, a first top cap (14) is arranged on the top of the first top hoop (15), the first top cap (14) is in threaded connection with the first top hoop (15) and is opposite in direction, a second body (12) is arranged on the top of the second chassis (10), and second body (12) and second chassis (10) activity are pegged graft, and the inside of second body (12) holds second work piece (20), and piston (5) run through second body (12), and second work piece (20) cup joints with piston (5) and links to each other, and the top of second body (12) is equipped with second top hoop (16), and second top hoop (16) and piston (5) threaded connection and opposite direction, and the top of second top hoop (16) is equipped with second hood (17), and second hood (17) and second top hoop (16) threaded connection and opposite direction.

2. The engine crankshaft rapid die change jig of claim 1, characterized in that: the left and right sides at roof (6) top all is equipped with handle (8), and four handle (8) symmetry sets up at roof (6) top, and handle (8) are convenient for remove or transport frame (1).

3. The engine crankshaft rapid die change jig of claim 1, characterized in that: the left and right sides of first chassis (9) and second chassis (10) bottom all is equipped with fixed pin (7), and four fixed pin (7) all with roof (6) bolted connection, and fixed pin (7) are used for restricting the displacement on first chassis (9) and second chassis (10), make the connection of first chassis (9) and second chassis (10) and roof (6) more firm, avoid adding man-hour first chassis (9) and second chassis (10) and roof (6) appear being connected the unstability and lead to the work piece to rock.

4. The engine crankshaft rapid die change jig of claim 3, characterized in that: the lower part of fixed pin (7) is equipped with baffle (18), and four baffle (18) all with roof (6) bolted connection, and baffle (18) are used for first chassis (9) and second chassis (10) back-and-forth movement now, make the connection of first chassis (9) and second chassis (10) and roof (6) more firm, avoid adding man-hour first chassis (9) and second chassis (10) and roof (6) appear being connected the unstably and lead to the work piece to rock.

5. The engine crankshaft rapid die change jig of claim 1, characterized in that: the oil cylinder is characterized in that a control valve (4) is arranged on the left side of the outer portion of the engine base (1), the oil cylinder (3) is connected with an external oil pump through the control valve (4), and the control valve (4) is connected with the external oil pump and used for conveying oil into the two oil cylinders (3).