CN211438968U

CN211438968U - Rotary table

Info

Publication number: CN211438968U
Application number: CN201922217874.3U
Authority: CN
Inventors: 殷璐
Original assignee: Xiangyang Fuda Dongkang Crankshaft Co ltd
Current assignee: Xiangyang Fuda Dongkang Crankshaft Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-09-08
Anticipated expiration: 2029-12-12

Abstract

A rotary table is used for drilling straight oil holes or inclined oil holes on a crankshaft. The horizontal moving guide rail is fixed on the lathe bed, and the rotary table is fixed on a horizontal moving sliding table on the horizontal moving guide rail; the rotary table is driven by a servo motor and can move along with the horizontal moving sliding table along the horizontal moving guide rail, so that oil holes at different positions in the axial direction of the crankshaft can be drilled; a gear shaft of the first gear is fixed on the horizontal moving sliding table, a square head at the upper end of the first gear is pulled by a wrench to drive the first gear to rotate, and the first gear is meshed with a second gear on the rotary table to drive the rotary table to rotate so as to drill the inclined oil hole of the crankshaft; the liftable guide rail seat can move up and down to drive the drilling power head to move up and down. The utility model discloses location and machining precision are very high, can effectively improve work efficiency, alleviate intensity of labour.

Description

Rotary table

Technical Field

The utility model relates to an automobile parts makes technical field, specifically is a carousel workstation for boring straight oilhole of bent axle or oblique oilhole.

Background

The existing machine tool for drilling the straight oil hole or the inclined oil hole on the crankshaft has the following defects:

1. in the use, adopt a large amount of blowout gun drill oil to cool off the machined part, lubricate the cutter, if the gun drill oil that the cleanliness is very poor passes through gun drill cutter oilhole, just very easily by impurity jam, if gun drill oil can not smoothly spray the machined part, can cause gun drill cutter to cut off sword, bent axle and jig cover to scrap. The gun drilling oil is filtered by a filter system of the recycling equipment, but the system is too large and occupies a large area.

2. The machine tool has low working efficiency.

3. The oil hole is drilled by tightly propping the center holes at the two ends of the crankshaft by the center, and the crankshaft belongs to a slender shaft, so that the radial force applied to the slender shaft is very large during drilling, the crankshaft can be bent, and the vibration of a machine tool is very large.

4. Due to the design of the gun drill machine, the length of the gun drill is very long and reaches 480-500mm, so that a set of very complicated guide device needs to be arranged on the gun drill machine.

5. The gun drill cutter is manufactured by welding hard alloy on the cutter rod, if the welding quality is not over-closed, the hard alloy cutter head is subjected to desoldering in the machining process, the cutter head is separated from the cutter rod and clamped in a hole of a machined workpiece, and the cutter head is continuously fed and rotated along with the cutter rod, so that the scrapped cutter rod is extruded in the machined hole until the crankshaft and the drill jig sleeve are scrapped simultaneously.

Therefore, the research on special equipment for drilling the straight oil hole or the inclined oil hole on the crankshaft is more and more important, and meanwhile, the equipment needs to adopt a turntable workbench matched with the equipment to drill the oil holes of the connecting rod neck and the main journal of the crankshaft.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a turntable workbench to realize automatic positioning and drilling of a straight oil hole or an inclined oil hole of a crankshaft with high precision.

In order to achieve the above object, the horizontal moving rail of the present invention is fixed on the bed, and the turntable table is fixed on the horizontal moving sliding table on the horizontal moving rail.

The rotary table is driven by a servo motor and can move along with the horizontal moving sliding table along the horizontal moving guide rail, so that oil holes at different axial positions of the crankshaft are drilled; the rotary table is driven manually, a gear shaft of the first gear is fixed on the horizontal moving sliding table, a square head at the upper end of the first gear is pulled by a wrench to drive the first gear to rotate, the first gear is meshed with a second gear on the rotary table to drive the rotary table to rotate, so that the oblique oil hole of the crankshaft is drilled, and the rotary table is locked by a round nut after rotating to a required angle position; the liftable guide rail seat is in sliding fit with a guide groove fixed on the rotary table, the positioning block is fixed on the liftable guide rail seat, the T-shaped sliding block is arranged between the guide groove and the liftable guide rail seat, the adjusting screw is screwed down, the positioning block drives the liftable guide rail seat to move upwards, the adjusting screw is loosened, and the liftable guide rail seat moves downwards so as to drive the drilling power head on the liftable guide rail seat to move upwards and downwards.

Compared with the prior art, the utility model, can realize the drilling processing of bent axle connecting rod neck and main journal oilhole, location and machining precision are very high, can effectively improve work efficiency, alleviate intensity of labour.

Drawings

Fig. 1 is a process diagram of a crankshaft.

Figure 2 is a cross-sectional view F-F of bitmap 1.

Fig. 3 is a schematic view of the present invention.

Fig. 4 is a sectional view a-a of fig. 3.

Fig. 5 is a sectional view B-B of fig. 3.

Fig. 6 is an enlarged view of I-I of fig. 5.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, the horizontal moving guide 7 of the present invention is fixed on the bed 8, and the turntable table 10 is fixed on the horizontal moving sliding table 6 on the horizontal moving guide 7.

The rotary table 10 is driven by a servo motor and can move along with the horizontal direction moving sliding table 6 and the horizontal direction moving guide rail 7 so as to drill the oil holes 2 at different axial positions of the crankshaft 1; the rotary table 10 is driven manually, a gear shaft of a first gear 5 is fixed on a horizontal moving sliding table 6, a square head at the upper end of the first gear 5 is pulled by a wrench to drive the first gear 5 to rotate, the first gear 5 is meshed with a second gear 3 on the rotary table 10 to drive the rotary table 10 to rotate, drilling of an inclined oil hole of the crankshaft 1 is achieved, and the rotary table 10 is locked by a round nut 4 after rotating to a required angle position; the liftable guide rail seat 14 is in sliding fit with a guide groove 12 fixed on the turntable workbench 10, a positioning block 13 is fixed on the liftable guide rail seat 14, a T-shaped slider 15 is arranged between the guide groove 12 and the liftable guide rail seat 14 to provide positioning and guiding functions for the liftable guide rail seat 14, and has the functions of adjusting clearance and the like during assembly, an adjusting screw 11 is screwed, the positioning block 13 drives the liftable guide rail seat 14 to move upwards, an adjusting screw 19 is loosened, the liftable guide rail seat 14 moves downwards to drive a drilling power head 9 on the liftable guide rail seat 14 to move upwards and downwards, and the maximum moving stroke is 100 mm.

Claims

1. A carousel workstation which characterized in that: a horizontal moving guide rail (7) is fixed on the lathe bed (8), and a turntable workbench (10) is fixed on a horizontal moving sliding table (6) on the horizontal moving guide rail (7);

the rotary table workbench (10) is driven by a servo motor and can move along with the horizontal moving sliding table (6) along the horizontal moving guide rail (7) to drill the oil holes (2) at different axial positions of the crankshaft (1); the rotary table (10) is driven manually, a gear shaft of a first gear (5) is fixed on the horizontal moving sliding table (6), a square head at the upper end of the first gear (5) is pulled by a wrench to drive the first gear (5) to rotate, the first gear (5) is meshed with a second gear (3) on the rotary table (10) to drive the rotary table (10) to rotate, drilling of an inclined oil hole of the crankshaft (1) is realized, and the rotary table (10) is locked by a round nut (4) after being rotated to a required angle position; liftable guide rail seat (14) and guide way (12) sliding fit who fixes on carousel workstation (10), locating piece (13) are fixed on liftable guide rail seat (14), T shape slider (15) dress is between guide way (12) and liftable guide rail seat (14), screw up adjusting screw (11), locating piece (13) drive liftable guide rail seat (14) rebound, loosen adjusting screw (19), liftable guide rail seat (14) rebound to drive drilling unit head (9) on liftable guide rail seat (14) and reciprocate.