CN209335170U - A kind of fixture for spline key well - Google Patents

Abstract

The utility model discloses a kind of fixtures for spline key well, including support plate, the front surface of support plate is fixedly connected with fixed ring, the inner sidewall of fixed ring is rotatably equipped with change, the inner sidewall of change offers spline, pass through support plate, fixed ring, change, spline, baseline rod, fixture block, limiting device and clamping apparatus are used cooperatively, axial workpiece with spline is inserted into change, spline is set to fit with spline, the position of baseline rod is defined by fixture block and limiting device, the axial workpiece of spline is avoided to deviate in drilling, the position of drilled fiducials is determined with the position that baseline rod is fixed on fixed ring, and then to the shaft parts drill hole for having spline, pass through fixed ring, the overlapping of jack on snap ring and change, the initial position of snap ring and change can be adjusted, and then convenient for flower The axial workpiece of key is mounted in spline.

Description

A kind of fixture for spline key well

Technical field

The utility model relates to spline boring grab technical field, specially a kind of fixture for spline key well.

Background technique

The drilling process of axial workpiece, it usually needs there are a gripper mechanism grips axial workpiece lateral wall On, its circumferential outer surface is processed with boring bar tool again later, and be directed to axial workpiece of its end with spline and come It says, clamping device can not directly be held on the end position with spline, in order to realize the clamping of spline and to spline Axial workpiece carries out key well, special thus to propose a kind of fixture for spline key well.

Utility model content

The purpose of this utility model is to provide a kind of fixtures for spline key well, to solve above-mentioned background technique The problem of middle proposition.

To achieve the above object, the utility model provides the following technical solutions: a kind of fixture for spline key well, Including support plate, the front surface of the support plate is fixedly connected with fixed ring, and the inner sidewall of the fixed ring is rotatably equipped with Ring, the inner sidewall of the change offer spline, and the right side wall of the change is fixedly connected with baseline rod, the fixed ring Right side wall is slidably fitted with fixture block, and lateral wall and the baseline rod of the fixture block fit, the fixed peace of the right side wall of the fixed ring Equipped with limiting device, the front surface of the support plate is fixedly installed with clamping apparatus.

Preferably, the inner sidewall of the fixed ring is plugged with snap ring, and the lateral wall of the snap ring is fixedly connected with restraining position ring block, The left side wall of the fixed ring offers annular slot, and the lateral wall of the stop collar is plugged in annular slot, the annular The inner sidewall of card slot is bolted with nut, and the left side wall of the nut offers through-hole, and lateral wall and the snap ring phase of the change turn Dynamic connection, is rotatably connected to equally distributed ball, the fixed ring, snap ring and the outside of change between the snap ring and change Wall offers jack, and the rear wall of the jack is connected with spline.

Preferably, the right side wall of the fixed ring offers sliding slot, and the lateral wall of the fixture block is mutually slidably connected with sliding slot.

Preferably, the limiting device includes the first nut for being fixedly connected of right side wall of the fixed ring, and described first The inner sidewall of nut is bolted with screw rod, and the lower surface of first nut is fixedly connected with lantern ring, and the lower surface of the screw rod turns Dynamic to be connected with sliding block, the lateral wall of the sliding block is mutually slidably connected with lantern ring, and lateral wall and the baseline rod of the sliding block fit, The baseline rod is between fixture block and sliding block.

Preferably, the clamping apparatus includes the second nut for being fixedly connected of front surface of the support plate, and described second The inner sidewall of nut is bolted with lead screw, and the right side wall of the lead screw is rotatably connected to briquetting.

Compared with prior art, the utility model has the beneficial effects that a kind of fixture for spline key well, passes through Support plate, fixed ring, change, spline, baseline rod, fixture block, limiting device and clamping apparatus are used cooperatively, and will have spline Axial workpiece be inserted into change, so that spline is fitted with spline, by fixture block and limiting device by the position of baseline rod It is defined, the axial workpiece of spline is avoided to deviate in drilling, determine to bore with the position that baseline rod is fixed on fixed ring The position of hole benchmark, and then to the shaft parts drill hole for having spline, by the overlapping of jack in fixed ring, snap ring and change, The initial position of snap ring and change, and then being mounted in spline convenient for the axial workpiece with spline can be adjusted.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model.

Fig. 2 is the utility model limiting device schematic diagram.

In figure: 1 support plate, 2 fixed rings, 3 changes, 4 splines, 5 baseline rods, 6 fixture blocks, 7 limiting devices, 8 snap rings, 9 limits Position ring, 10 annular slots, 11 nuts, 12 through-holes, 13 balls, 14 jacks, 15 sliding slots, 16 first nuts, 17 screw rods, 18 lantern rings, 19 sliding blocks, 20 second nuts, 21 lead screws, 22 briquettings, 23 clamping apparatus.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of fixture for spline key well, packet Support plate 1 is included, the front surface of support plate 1 is fixedly connected with fixed ring 2, and the inner sidewall of fixed ring 2 is rotatably equipped with change 3, turns The inner sidewall of ring 3 offers spline 4, and the right side wall of change 3 is fixedly connected with baseline rod 5, and the right side wall of fixed ring 2 slides peace Equipped with fixture block 6, lateral wall and the baseline rod 5 of fixture block 6 fit, and the right side wall of fixed ring 2 is fixedly installed with limiting device 7, branch The front surface of fagging 1 is fixedly installed with clamping apparatus 23, and the axial workpiece with spline is inserted into change 3, makes with flower The axis of key passes through change 3, and spline is inserted into spline 4, baseline rod 5 be located in initial position limiting device 7 and fixture block 6 it Between, it is bonded by clamping apparatus 23 with the axial workpiece with spline, is fixed on spline in spline 4, and then will have The axial workpiece of spline is limited and is fixed.

The quantity of baseline rod 5 needs bore position to determine according to the axial workpiece with spline, then rotates change 3, It is stuck in the baseline rod 5 of different location between fixture block 6 and limiting device 7, then to the different bases of the axial workpiece with spline Level, which is set, to drill.

Specifically, the inner sidewall of fixed ring 2 is plugged with snap ring 8, the lateral wall of snap ring 8 is fixedly connected with restraining position ring block 9, Gu The left side wall for determining ring 2 offers annular slot 10, and the lateral wall of stop collar 9 is plugged in annular slot 10, annular slot 10 Inner sidewall is bolted with nut 11, and the left side wall of nut 11 offers through-hole 12, and the lateral wall of change 3 rotates with snap ring 8 to be connect, Equally distributed ball 13 is rotatably connected between snap ring 8 and change 3, the lateral wall of fixed ring 2, snap ring 8 and change 3 opens up There is jack 14, the rear wall of jack 14 is connected with spline 4, and the cooperation of snap ring 8, ball 13 and change 3 forms it into bearing, It is inserted into annular slot 10 by stop collar 9, nut 11 is spirally connected to it, the position of bearing is limited, nut 11 Use can be convenient for being dismantled to bearing, convenient for the replacement of the bearing to different drilled fiducials.

Specifically, the right side wall of fixed ring 2 offers sliding slot 15, lateral wall and 15 phase of sliding slot of fixture block 6 are slidably connected, By sliding fixture block 6, baseline rod 5 can be made to be detached from the limitation of fixture block 6, convenient for the rotation of change 3.

Specifically, the first nut 16 that the right side wall that limiting device 7 includes fixed ring 2 is fixedly connected, the first nut 16 Inner sidewall be bolted with screw rod 17, the lower surface of the first nut 16 is fixedly connected with lantern ring 18, and the lower surface of screw rod 17, which rotates, to be connected It is connected to sliding block 19, lateral wall and 18 phase of lantern ring of sliding block 19 are slidably connected, and lateral wall and the baseline rod 5 of sliding block 19 fit, base For quasi- bar 5 between fixture block 6 and sliding block 19, the lateral wall and fixture block 6 and sliding block 19 of baseline rod 5 are seamless applying, pass through 6 He of fixture block Sliding block 19 is defined the position of baseline rod 5, can rotate to avoid the axial workpiece with spline when being drilled The phenomenon that, by turning screw rod 17, slide sliding block 19 in lantern ring 18, when sliding block 19 is detached from baseline rod 5,3 energy of change at this time Enough rotations.

Specifically, the second nut 20 that the front surface that clamping apparatus 23 includes support plate 1 is fixedly connected, the second nut 20 Inner sidewall be bolted with lead screw 21, the right side wall of lead screw 21 is rotatably connected to briquetting 22, with spline axial workpiece carry out When drilling, in order to avoid spline slides in spline 4, lead screw 21 is turned, so that lead screw 21 is spirally connected with the second nut 20, makes briquetting 22 fit closely with the left end of axial workpiece with spline, and then spline is avoided to be detached from spline 4.

Working principle: in use, the axial workpiece with spline is inserted into change 3, spline is made to be inserted into spline 4 It is interior, change 3 is then rotated, keeps the jack 14 on snap ring 8 and change 3 Chong Die with the jack 14 in fixed ring 2, at this time baseline rod 5 Positioned at initial position, fixture block 6 is then slided, fixture block 6 and the lateral wall of baseline rod 5 is bonded, turns screw rod 17, sliding block 19 is made to exist Sliding in lantern ring 18 can be carried out the axial workpiece with spline not and turn until lantern ring 18 is bonded with the lateral wall of baseline rod 5 It is dynamic, lead screw 21 is then turned, briquetting 22 and the left end of the axial workpiece with spline fit closely, and spline is avoided to be detached from spline 4, according to the position to drill on the axial workpiece with spline, baseline rod 5 is welded on the corresponding position in change 3, first After secondary drilling, lead screw 21 is turned, is detached from briquetting 22 with the axial workpiece with spline, turns screw rod 17 and sliding fixture block 6, it is stuck in next baseline rod 5 between fixture block 6 and sliding block 19, turns lead screw 21, by the position of the axial workpiece with spline It is fixed, the second drilling then is carried out to the axial workpiece with spline, and so on.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of fixture for spline key well, it is characterised in that: including support plate (1), the preceding table of the support plate (1) Face is fixedly connected with fixed ring (2), and the inner sidewall of the fixed ring (2) is rotatably equipped with change (3), the change (3) it is interior Side wall offers spline (4), and the right side wall of the change (3) is fixedly connected with baseline rod (5), the right side of the fixed ring (2) Side walls are equipped with fixture block (6), and lateral wall and the baseline rod (5) of the fixture block (6) fit, the right side of the fixed ring (2) Side wall is fixedly installed with limiting device (7), and the front surface of the support plate (1) is fixedly installed with clamping apparatus (23).

2. a kind of fixture for spline key well according to claim 1, it is characterised in that: the fixed ring (2) Inner sidewall be plugged with snap ring (8), the lateral wall of the snap ring (8) is fixedly connected restraining position ring block (9), the fixed ring (2) Left side wall offers annular slot (10), and the lateral wall of the stop collar (9) is plugged in annular slot (10), the annular snap The inner sidewall of slot (10) is bolted with nut (11), and the left side wall of the nut (11) offers through-hole (12), the change (3) Lateral wall rotates with snap ring (8) and connect, and is rotatably connected to equally distributed ball between the snap ring (8) and change (3) (13), the lateral wall of the fixed ring (2), snap ring (8) and change (3) offers jack (14), after the jack (14) Side wall is connected with spline (4).

3. a kind of fixture for spline key well according to claim 1, it is characterised in that: the fixed ring (2) Right side wall offer sliding slot (15), lateral wall and the sliding slot (15) of the fixture block (6) are mutually slidably connected.

4. a kind of fixture for spline key well according to claim 1, it is characterised in that: the limiting device (7) include the fixed ring (2) the first nut (16) for being fixedly connected of right side wall, the inner sidewall spiral shell of first nut (16) It is connected to screw rod (17), the lower surface of first nut (16) is fixedly connected with lantern ring (18), the lower surface of the screw rod (17) It is rotatably connected to sliding block (19), lateral wall and the lantern ring (18) of the sliding block (19) are mutually slidably connected, outside the sliding block (19) Side wall fits with baseline rod (5), and the baseline rod (5) is located between fixture block (6) and sliding block (19).

5. a kind of fixture for spline key well according to claim 1, it is characterised in that: the clamping apparatus (23) include the support plate (1) the second nut (20) for being fixedly connected of front surface, the inner sidewall of second nut (20) It is bolted with lead screw (21), the right side wall of the lead screw (21) is rotatably connected to briquetting (22).