CN207735623U - A kind of bent axle twin tip drill of overhead tool magazine attacks center - Google Patents

Abstract

The utility model discloses a kind of bent axle twin tip drills of overhead tool magazine to attack center, including Crankshaft Machining mechanism and bent axle clamping device；The Crankshaft Machining mechanism includes Z axis guide rail, X-axis guide rail, Y-axis guide rail, middle supporting plate, column and main shaft；The middle supporting plate is moved along the Z axis guide rail, and the column is moved along the X-axis guide rail, and the main shaft is moved along the Y-axis guide rail；The bent axle clamping device is located among two corresponding Crankshaft Machining mechanisms, and bent axle is connected horizontally on the bent axle clamping device, and the both ends of bent axle correspond to the main shaft of Liang Ge Crankshaft Machinings mechanism respectively；The utility model has the advantage of：Being accurately positioned for main shaft is realized, the machining accuracy and processing efficiency of central hole of the crankshaft are improved；Can simultaneously machining crankshafts both ends end face；Reduce influence of the cutting fluid to tool magazine motor, increases effective range of work of Crankshaft Machining mechanism.

Description

A crankshaft double-head drilling and tapping center with an overhead tool magazine

technical field

The utility model relates to the field of crankshaft processing, in particular to a crankshaft double-head drilling and tapping center with a top-mounted tool magazine.

Background technique

The crankshaft is an important component in an engine. It bears the force transmitted by the connecting rod and converts it into torque through the crankshaft output and drives other accessories on the engine to work. At present, the center holes at both ends of the crankshaft are processed by radial drilling, which cannot realize the precise positioning of the main shaft, and the processing efficiency of the center holes of the crankshaft is low.

Utility model content

The technical problem to be solved by the utility model is to provide a crankshaft double-head drilling and tapping center with an overhead tool magazine that can realize precise positioning of the main shaft and increase the effective processing range of the crankshaft processing mechanism.

The utility model solves the above-mentioned technical problems through the following technical solutions: a crankshaft double-head drilling center with an overhead tool magazine, including a crankshaft processing mechanism, a crankshaft clamping mechanism (7), a tool magazine (8) and a tool (9) );

The crankshaft machining mechanism comprises a Z-axis guide rail, an X-axis guide rail, a Y-axis guide rail, a middle pallet (1), a column (2) and a main shaft (3); the Z-axis guide rail is arranged horizontally, and the middle pallet (1 ) is movably connected to the Z-axis guide rail; the X-axis guide rail is horizontally arranged on the middle support plate (1), the X-axis guide rail and the Z-axis guide rail are perpendicular to each other, and the column (2 ) is movably connected to the X-axis guide rail; the Y-axis guide rail is vertically arranged on the column (2), and the main shaft (3) is movably connected to the Y-axis guide rail; the The main shaft (3) is connected to the main shaft rotating motor; the precise positioning is realized by the movement of the main shaft in the three directions of X, Y and Z;

Described crankshaft clamping mechanism (7) is located in the middle of two corresponding crankshaft processing mechanisms, crankshaft is horizontally connected on the described crankshaft clamping mechanism (7), and the two ends of crankshaft correspond to the main shaft of two crankshaft processing mechanisms respectively ( 3) The end faces of both ends of the crankshaft can be processed at the same time, which improves the production efficiency and shortens the processing cycle.

The columns (2) of each crankshaft processing mechanism are respectively connected with tool magazines (8), and the tool magazines (8) are suspended above the main shaft (3), and several tool magazines (8) are respectively installed (9). The tool can be changed by moving the spindle along the Y-axis guide rail, which changes the way that the existing machine tool spindle needs to return to the zero position of the tool change before the tool can be changed; the tool magazine is connected to the column, which reduces the influence of cutting fluid on the tool magazine motor, and at the same time The effective processing range of the crankshaft processing mechanism has been increased.

As an optimized technical solution, the Z-axis guide rail, the X-axis guide rail and the Y-axis guide rail all use wire rails. The line rail structure is adopted to improve the processing accuracy and processing efficiency.

As an optimized technical solution, the main shaft (3) adopts a central water outlet main shaft. Realize the internal cooling of the drill bit under high-speed cutting.

As an optimized technical solution, the middle support plate (1) is driven by a Z-axis ball screw to move along the Z-axis guide rail, and the Z-axis ball screw is connected to a Z-axis motor (4); the column (2) Driven by the X-axis ball screw to move along the X-axis guide rail, the X-axis ball screw is connected to the X-axis motor (5); the main shaft (3) is driven by the Y-axis ball screw to move along the Y-axis guide rail , the Y-axis ball screw is connected to the Y-axis motor (6). The feed is realized through the movement of the ball screw driven by the motor, and the positioning accuracy and transmission efficiency are high.

As an optimized technical solution, the Z-axis motor (4), the X-axis motor (5) and the Y-axis motor (6) all use servo motors. The machining accuracy and machining efficiency are improved.

As an optimized technical solution, the tool magazine (8) adopts a rotary tool magazine, the knife magazine (8) is connected to a knife magazine rotating motor, and the tool (9) is installed on a circle of the knife magazine (8). Improved tool change efficiency.

As an optimized technical solution, the drilling and tapping center also includes a worktable (10) and a bed (11), and the crankshaft processing mechanism and the worktable (10) are fixed side by side on the bed (11) along the Z-axis direction. ), the crankshaft clamping mechanism (7) is fixed on the workbench (10). Reasonable structure and high operating efficiency.

As an optimized technical solution, the crankshaft double-head drilling center is controlled by a numerical control system. Through system control, spindle positioning, drilling and tapping, tool change, cooling and lubrication of X-axis ball screw, Y-axis ball screw and Z-axis ball screw are automatically realized.

The utility model has the advantages of: the precise positioning of the main shaft is realized, the machining accuracy and the machining efficiency of the crankshaft center hole are improved; both ends of the crankshaft can be machined at the same time, the production efficiency is improved, and the machining cycle is shortened; the tool magazine is connected to the column On the other hand, the tool can be changed by moving the main shaft along the Y-axis guide rail, which reduces the influence of cutting fluid on the motor of the tool magazine and increases the effective processing range of the crankshaft processing mechanism.

Description of drawings

Fig. 1 is a schematic structural view of the crankshaft double-head drilling and tapping center of the utility model overhead tool magazine.

Detailed ways

As shown in FIG. 1 , a crankshaft double-head drilling center with an overhead tool magazine includes a crankshaft machining mechanism, a crankshaft clamping mechanism 7 , a tool magazine 8 , tools 9 , a workbench 10 and a bed 11 .

The crankshaft processing mechanism includes a center support plate 1, a column 2, a main shaft 3, a Z-axis guide rail, an X-axis guide rail, a Y-axis guide rail, a Z-axis motor 4, an X-axis motor 5 and a Y-axis motor 6.

The Z-axis guide rail is set horizontally, and the middle support plate 1 moves along the Z-axis guide rail driven by the Z-axis ball screw, and the Z-axis ball screw is connected to the Z-axis motor 4; the X-axis guide rail is horizontally arranged on the middle support plate 1, and the X-axis guide rail and The Z-axis guide rails are perpendicular to each other, and the column 2 is driven by the X-axis ball screw to move along the X-axis guide rail. The X-axis ball screw is connected to the X-axis motor 5; the Y-axis guide rail is vertically arranged on the column 2, and the main shaft 3 passes through the Y-axis ball screw. The bar drives to move along the Y-axis guide rail, and the Y-axis ball screw is connected to the Y-axis motor 6 .

The main shaft 3 adopts the central water outlet main shaft, and the main shaft 3 is connected with the main shaft rotating motor.

The crankshaft processing mechanism and worktable 10 are fixed side by side on the bed 11 along the Z-axis direction, and the crankshaft clamping mechanism 7 is fixed on the workbench 10; the crankshaft clamping mechanism 7 is arranged in the middle of two corresponding crankshaft processing mechanisms, and the crankshaft is horizontal Connected to the crankshaft clamping mechanism 7, the two ends of the crankshaft correspond to the main shafts 3 of the two crankshaft processing mechanisms respectively.

The column 2 of each crankshaft processing mechanism is respectively connected with a tool magazine 8, the tool magazine 8 is suspended above the main shaft 3, the tool magazine 8 adopts a rotary tool magazine, and each tool magazine 8 is respectively connected to the tool magazine rotating motor, and each tool magazine 8 12 knives 9 are installed respectively through BT40 tool holders in one week.

The crankshaft double-head drilling center is controlled by a numerical control system. Through system control, spindle positioning, drilling and tapping, tool change, cooling and lubrication of X-axis ball screw, Y-axis ball screw and Z-axis ball screw are automatically realized.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in the present utility model. within the scope of the new protection.

Claims (8)

1. A crankshaft double-end drilling and tapping center with an overhead tool magazine, characterized in that: it includes a crankshaft machining mechanism, a crankshaft clamping mechanism (7), a tool magazine (8) and a cutting tool (9); The crankshaft machining mechanism comprises a Z-axis guide rail, an X-axis guide rail, a Y-axis guide rail, a middle pallet (1), a column (2) and a main shaft (3); the Z-axis guide rail is arranged horizontally, and the middle pallet (1 ) is movably connected to the Z-axis guide rail; the X-axis guide rail is horizontally arranged on the middle support plate (1), the X-axis guide rail and the Z-axis guide rail are perpendicular to each other, and the column (2 ) is movably connected to the X-axis guide rail; the Y-axis guide rail is vertically arranged on the column (2), and the main shaft (3) is movably connected to the Y-axis guide rail; the The main shaft (3) is connected with the main shaft rotating motor; Described crankshaft clamping mechanism (7) is located in the middle of two corresponding crankshaft processing mechanisms, crankshaft is horizontally connected on the described crankshaft clamping mechanism (7), and the two ends of crankshaft correspond to the main shaft of two crankshaft processing mechanisms respectively ( 3); The columns (2) of each crankshaft processing mechanism are respectively connected with tool magazines (8), and the tool magazines (8) are suspended above the main shaft (3), and several tool magazines (8) are respectively installed (9). 2. The crankshaft double-head drilling and tapping center of the overhead tool magazine according to claim 1, wherein the Z-axis guide rail, the X-axis guide rail and the Y-axis guide rail all use wire rails. 3. The crankshaft double-head drilling and tapping center of the overhead tool magazine according to claim 1, characterized in that: the main shaft (3) adopts a central water outlet main shaft. 4. The crankshaft double-end drilling and tapping center of the overhead tool magazine according to claim 1, characterized in that: the middle support plate (1) is driven by the Z-axis ball screw to move along the Z-axis guide rail, and the The Z-axis ball screw is connected to the Z-axis motor (4); the column (2) is driven by the X-axis ball screw to move along the X-axis guide rail, and the X-axis ball screw is connected to the X-axis motor (5); The main shaft (3) is driven by a Y-axis ball screw to move along the Y-axis guide rail, and the Y-axis ball screw is connected to a Y-axis motor (6). 5. The crankshaft double-head drilling and tapping center of the overhead tool magazine according to claim 4, characterized in that: the Z-axis motor (4), the X-axis motor (5) and the Y-axis motor (6) all use servo motor. 6. The crankshaft double-end drilling and tapping center of the overhead tool magazine according to claim 1, characterized in that: the tool magazine (8) adopts a rotary tool magazine, and the tool magazine (8) is connected to the tool magazine rotating motor, The cutter (9) is installed on a circle of the cutter magazine (8). 7. The crankshaft double-end drilling and tapping center of the overhead tool magazine according to claim 1, characterized in that: the drilling and tapping center also includes a workbench (10) and a bed (11), and the crankshaft machining mechanism and the The worktables (10) are fixed side by side on the bed (11) along the Z-axis direction, and the crankshaft clamping mechanism (7) is fixed on the workbench (10). 8. The crankshaft double-end drilling center of the overhead tool magazine according to any one of claims 1-7, characterized in that: the crankshaft double-end drilling center is controlled and operated by a numerical control system.