CN213970624U - Clamp for grinding shaft diameter of gear - Google Patents

Abstract

The utility model provides an anchor clamps for gear shaft diameter grinding belongs to machining technical field. It locates the headstock drive gear of aircraft nose including the cover, and headstock drive gear's one side meshing is connected with driven gear wheel, and transmission shaft fixedly connected with drive gear is passed through to the front side of driven gear wheel, and drive gear's right side loops through first transition gear dabber and second transition gear dabber meshing is connected with first transition gear and second transition gear, the external tooth and the work piece external tooth looks adaptation of second transition gear, transmission shaft, first transition gear dabber and second transition gear dabber are fixed through setting up in the axle bed of aircraft nose front side, the lower extreme of axle bed is provided with lateral shifting's cylinder, the piston rod of cylinder with the lower extreme fixed connection of axle bed, the lower extreme fixedly connected with base of cylinder. The utility model has the advantages of high efficiency and accurate precision in processing.

Description

Clamp for grinding shaft diameter of gear

Technical Field

The utility model belongs to the technical field of machining, refer in particular to an anchor clamps for gear shaft diameter grinding.

Background

At present, the grinding of axle type work piece is a very common process in the machining trade, need both ends to carry out top location or the one end of gear shaft to press from both sides tight fixedly to traditional gear shaft, foretell fixed clamping mode that adopts, the processing to the unilateral of gear shaft need not to dismantle the change, and carry out the grinding then need dismantle and reinstall to the both sides of gear shaft, bring certain inconvenience for production efficiency, and adopt traditional fixed clamping mode, influence positioning accuracy, can't hit the design requirement of product to the work piece actual accuracy after the processing.

Disclosure of Invention

The utility model aims at solving the problem that exists among the prior art, provide one kind and can carry out the axle footpath when grinding to gear shaft both sides and be difficult for influencing the anchor clamps of precision.

The purpose of the utility model is realized like this:

the utility model provides an anchor clamps for gear shaft diameter grinding, locates the headstock drive gear of aircraft nose including the cover, and headstock drive gear's one side meshing is connected with driven gear wheel, and transmission shaft fixedly connected with drive gear is passed through to driven gear wheel's front side, and drive gear's right side loops through first transition gear dabber and second transition gear dabber meshing is connected with first transition gear and second transition gear, the external tooth and the work piece external tooth looks adaptation of second transition gear, transmission shaft, first transition gear dabber and second transition gear dabber are fixed through setting up in the axle bed of aircraft nose front side, the lower extreme of axle bed is provided with lateral shifting's cylinder, the piston rod of cylinder with the lower extreme fixed connection of axle bed, the lower extreme fixedly connected with base of cylinder.

The utility model discloses further set up to, the lower extreme of axle bed passes through bolt fixedly connected with upper junction plate, and the lower extreme fixedly connected with cylinder catch plate of upper junction plate, the lower extreme of cylinder catch plate are fixed with the slider, one side of slider with the piston rod fixed connection of cylinder when the piston rod of cylinder removes, the axle bed removes along with the removal of slider.

The utility model discloses further set up to, set up on the base with the slide rail of slider looks adaptation.

The utility model discloses further set up to, be provided with drive bearing between transmission shaft and the axle bed, be located the transmission shaft and stretch out the partial cover of axle bed is established drive gear, first transition gear dabber is fixed in through the nut with the rear end of second transition gear dabber in the axle bed, first transition gear dabber all overlaps with the part that second transition gear dabber stretches out the axle bed and is equipped with transition gear bearing, and two transition gear bearing's outer wall cover is established first transition gear and second transition gear.

The utility model discloses further set up to, first transition gear dabber and second transition gear spindle all overlap and are equipped with and are located packing ring between the rear surface of nut and axle bed.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. the utility model discloses adopt the initiative gear wheel that sets up on the aircraft nose than prior art, drive each intermeshing's gear to make things convenient for the power that anchor clamps utilized aircraft nose own to possess to just can realize pressing from both sides the gear workpiece and get and the pivoted operation, thereby make things convenient for gear workpiece both ends axle diameter direction to be processed simultaneously, promote this type of part production machining efficiency by a wide margin.

2. The utility model discloses further mode through connecting plate, cylinder catch plate and slider lets the cylinder remove more high-efficient during the axle bed promotes more level and smooth stable to promote the part machining precision by a wide margin.

3. The utility model discloses the slide rail that further sets up is convenient for restrict the slip range of slider, guarantee the accuracy and the high efficiency of work piece processing.

4. The utility model discloses the transition gear bearing and the drive bearing gear that adopt not only ensure the stable output of transmission shaft, can ensure the firm fixed of first transition gear dabber and second transition gear dabber again.

Drawings

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

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

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

reference numerals:

1-machine head; 10-head carrier drive gear;

2-driven bull gear; 20-a drive shaft; 200-a drive bearing;

3-driving the gear;

4-a first transition gear mandrel; 40-a first transition gear; 41-transition gear bearing;

5-a second transition gear mandrel; 50-a second transition gear; 51-transition gear bearings;

6-shaft seat; 60-an upper connecting plate; 61-cylinder pushing plate; 62-a slide block;

7-a cylinder; 70-a piston rod;

8-a base; 80-sliding rail.

Detailed Description

The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which fig. 1 to 3:

a fixture for grinding the diameter of a gear shaft comprises a headstock driving gear 10 sleeved on a machine head 1, wherein one side of the headstock driving gear 10 is engaged and connected with a driven large gear 2, the front side of the driven large gear 2 is fixedly connected with a driving gear 3 through a transmission shaft 20, the right side of the driving gear 3 is engaged and connected with a first transition gear 40 and a second transition gear 50 sequentially through a first transition gear mandrel 4 and a second transition gear mandrel 5, the external teeth of the second transition gear 50 are matched with the external teeth of the workpiece, the transmission shaft 20, the first transition gear mandrel 4 and the second transition gear mandrel 5 are fixed through a shaft seat 6 arranged on the front side of the machine head 1, the lower end of the shaft seat 6 is provided with a cylinder 7 which moves transversely, a piston rod 70 of the cylinder 7 is fixedly connected with the lower end of the shaft seat 6, and the lower end of the cylinder 7 is fixedly connected with a base 8.

As is well known, in the axial machining process of a gear shaft type workpiece on two sides of a machine tool, two ends of the workpiece are positioned by a tool tip, and a machine head has a rotating function, in the above embodiment, a headstock driving gear 10 is sleeved at the machine head, so that when the machine head rotates, the headstock driving gear 10 is driven to rotate, a driven large gear 2 meshed with the headstock driving gear 10 is driven to rotate, the driven large gear 2 drives a driving gear 3 on the same transmission shaft 20, the driving gear 3 drives a first transition gear 40 and a second transition gear 50 which are meshed in sequence, the second transition gear 50 is meshed with the tooth surface of the gear shaft type workpiece, the machine head drives the gear shaft type workpiece to rotate through a series of gear meshes, a shaft seat 6 is arranged for placing and stabilizing the transmission shaft 20, the first transition gear mandrel 4 and the second transition gear mandrel 5, the precision of work piece processing is ensured to promote production quality.

It should be noted that the driving gear 3, the first transition gear 4 and the second transition gear 5 are adjusted along with the adjustment of the tooth surface of the gear shaft type workpiece, the first transition gear 4 and the second transition gear 5 are used for adjusting the speed of the rotation of the gear shaft type workpiece, and the other way of adjusting the speed is to adopt the rotation speed given by the machine head. After the gear shaft type workpiece rotates, the two sides of the gear shaft type workpiece are ground by the cutter of the machine tool, the shaft seat 6 driven by the air cylinder 7 moves after the grinding operation is finished, the head frame driving gear 10 is not meshed with the driven large gear 2 any more, the second transition gear does not rotate any more, and the second transition gear 50 is not meshed with the tooth surface of the workpiece any more, so that the part is taken and placed.

Preferably, the lower end of the shaft seat 6 is fixedly connected with an upper connecting plate 60 through a bolt, the lower end of the upper connecting plate 60 is fixedly connected with an air cylinder pushing plate 61, the lower end of the air cylinder pushing plate 61 is fixed with a sliding block 62, one side of the sliding block 62 is fixedly connected with a piston rod 70 of the air cylinder 7, and when the piston rod 70 of the air cylinder 7 moves, the shaft seat 6 moves along with the movement of the sliding block 62.

Preferably, the base 8 is provided with a slide rail 80 adapted to the slide block 62.

Foretell design provides better stability for the sliding shaft seat, ensures the precision of work piece processing when letting the reloading go on.

Preferably, be provided with drive bearing 200 between transmission shaft 20 and the axle bed 6, be located that transmission shaft 20 stretches out drive gear 3 is established to the partial cover of axle bed 6, first transition gear dabber 4 is fixed in through the nut with the rear end of second transition gear dabber 5 in the axle bed 6, first transition gear dabber 4 all overlaps with the part that second transition gear dabber 5 stretches out axle bed 6 and is equipped with transition gear bearing 41, 51, and the outer wall cover of two transition gear bearings 41, 51 is established first transition gear 40 and second transition gear 50.

Preferably, the first transition gear mandrel 4 and the second transition gear mandrel 5 are both sleeved with washers located between the nuts and the rear surface of the shaft seat 6.

For the above arrangement, it is worth mentioning that no matter the driving gear 3 or the first transition gear 40 and the second transition gear 50 are all arranged on the front side of the shaft seat 6, and the three gears reduce the friction between the three gears and the shaft seat by using the bearings when rotating, so that the rotating efficiency is enhanced, and the high efficiency of processing the gear shaft type workpieces is ensured.

The working principle is as follows:

the utility model discloses the gear of traditional lathe aircraft nose department is installed additional to the utilization to adopt engaged with gear train, realize pressing from both sides and rotate the clamp of pinion class work piece, let the lathe can grind and cut work piece both ends simultaneously, reduce the change position of anchor clamps to the work piece, guarantee machining precision's accuracy promotes production efficiency simultaneously by a wide margin.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (5)

1. The fixture for grinding the shaft diameter of the gear is characterized by comprising a headstock driving gear (10) sleeved on a machine head (1), wherein one side of the headstock driving gear (10) is meshed with a driven large gear (2), the front side of the driven large gear (2) is fixedly connected with a driving gear (3) through a transmission shaft (20), the right side of the driving gear (3) is sequentially meshed with a first transition gear mandrel (40) and a second transition gear mandrel (50) through a first transition gear mandrel (4) and a second transition gear mandrel (5), the outer teeth of the second transition gear (50) are matched with the outer teeth of a workpiece, the transmission shaft (20), the first transition gear mandrel (4) and the second transition gear mandrel (5) are fixed through a shaft seat (6) arranged on the front side of the machine head (1), a transverse moving cylinder (7) is arranged at the lower end of the shaft seat (6), a piston rod (70) of the air cylinder (7) is fixedly connected with the lower end of the shaft seat (6), and a base (8) is fixedly connected with the lower end of the air cylinder (7).

2. The fixture for grinding the diameter of the gear shaft according to the claim 1, characterized in that the lower end of the shaft seat (6) is fixedly connected with an upper connecting plate (60) through a bolt, the lower end of the upper connecting plate (60) is fixedly connected with a cylinder pushing plate (61), the lower end of the cylinder pushing plate (61) is fixed with a sliding block (62), one side of the sliding block (62) is fixedly connected with a piston rod (70) of the cylinder (7), and when the piston rod (70) of the cylinder (7) moves, the shaft seat (6) moves along with the movement of the sliding block (62).

3. The clamp for grinding the shaft diameter of the gear according to claim 2, wherein the base (8) is provided with a slide rail (80) matched with the slide block (62).

4. The fixture for grinding the shaft diameter of the gear according to claim 1, wherein a transmission bearing (200) is arranged between the transmission shaft (20) and the shaft seat (6), the driving gear (3) is sleeved on the part of the transmission shaft (20) extending out of the shaft seat (6), the rear ends of the first transition gear mandrel (4) and the second transition gear mandrel (5) are fixed in the shaft seat (6) through nuts, transition gear bearings (41, 51) are sleeved on the parts of the first transition gear mandrel (4) and the second transition gear mandrel (5) extending out of the shaft seat (6), and the first transition gear (40) and the second transition gear (50) are sleeved on the outer walls of the two transition gear bearings (41, 51).

5. A jig for gear shaft diameter grinding according to claim 4 wherein the first transition gear spindle (4) and the second transition gear spindle (5) are each fitted with a washer between the nut and the rear surface of the shaft seat (6).

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