CN203003548U

CN203003548U - Efficient and practical turning fixture capable of indexing and turning hole

Info

Publication number: CN203003548U
Application number: CN 201320020515
Authority: CN
Inventors: 孟丽娜; 茅金祥; 钟岳义; 谢楷
Original assignee: SHANGYU DESHI PRECISION MACHINERY CO Ltd
Current assignee: SHANGYU DESHI PRECISION MACHINERY CO Ltd
Priority date: 2013-01-10
Filing date: 2013-01-10
Publication date: 2013-06-19
Anticipated expiration: 2023-01-10

Abstract

The utility model discloses an efficient and practical turning fixture capable of indexing and turning a hole, which comprises a fixed disk, a fixture body, a T-shaped pressure plate, a pressure block, a bolt spring, a bolt and a locking screw; wherein the fixture body is arranged in a fixture body transition hole and a fixture body location hole that are with eccentric distances in the fixed disk; two vertically symmetrical indexing location holes are formed in the fixture body transition hole; a workpiece is clamped by the locking screw through the pressure block; the fixture body is locked by the T-shaped pressure plate; and the bolt is matched with the indexing location holes to achieve a hole indexing and turning function. The fixture is reasonable in design, simple in structure, convenient to operate, low in manufacturing cost and high in production efficiency; after a valve body air return hole of a thermostatic expansion valve of an automotive air conditioner is turned, a valve body air inlet can be turned quickly only by unscrewing the T-shaped pressure plate, pulling up the bolt, rotating the fixture body by 180 DEG, inserting the bolt into the other indexing location hole, and fastening the T-shaped pressure plate; and the fixture is suitable for the turning of a valve body of the thermostatic expansion valve of the automotive air conditioner.

Description

But the highly effective vehicle clamper in calibration car hole

Technical field

The utility model relates to the machining fixture technical field, but the highly effective vehicle clamper in a kind of calibration car hole specifically.

Background technology

Now be used for the automobile air-conditioning heating power expansion valve of automobile air adjusting device refrigeration system throttling, the air admission hole of its valve body and the processing of return-air hole, some adopts work in-process to process in the heart, it is high that this processing method has machining accuracy, the advantage of reliable product quality, but cost of goods manufactured can be higher comparatively speaking; Some adopts shunting processing on lathe, although this processing method machining accuracy can guarantee, frequently change fixture, during landing hire, production efficiency is lower; Some adopts drill jig drilling processing, although this processing method low cost of manufacture, machining accuracy is also low, and drill bushing is easy to wear, affects product quality.Therefore, how to design and a kind ofly can guarantee machining accuracy, can improve work efficiency again, the vehicle clamper of the processing automobile air conditioner heating power expansion valve valve body inner bore that reduces costs is the technical barrier that the valve member manufacturing industry faces.

The utility model content

Technical problem to be solved in the utility model is to overcome the defective that above-mentioned prior art exists, but provide the highly effective vehicle clamper in a kind of calibration car hole, it is under the prerequisite that guarantees machining accuracy, calibration turning easily goes out air admission hole and the return-air hole on the automobile air-conditioning heating power expansion valve valve body, work-handling is very convenient, can greatly enhance productivity.

for this reason, the utility model adopts following technical scheme: but the highly effective vehicle clamper in calibration car hole, comprise fixed disk and clamp body, described fixed disk is provided with and is placed on same axis and keeps clamp body transitional pore and the clamp body locating hole of an eccentric throw with the rotation of fixed disk, be provided with laterally zygomorphic two calibration locating holes in described clamp body transitional pore, described clamp body is made of small one and large one two cylinder disjunctors that are placed on same axis, the large cylinder of clamp body just in time is enclosed within clamp body transitional pore on fixed disk, the small cylinder of clamp body is enclosed within clamp body locating hole on fixed disk clamp body is done radial location.

As the further of technique scheme improved and replenish, the utility model is taked following technical measures:

But the highly effective vehicle clamper in above-mentioned calibration car hole has the workpiece installing hole of rectangular blind hole on the large cylinder side of clamp body, in described workpiece installing hole, briquetting is housed.

But the highly effective vehicle clamper in above-mentioned calibration car hole, have undercut groove and internal thread hole on the large cylinder external diameter of clamp body, described internal thread hole is connected with workpiece installing hole, and is provided with the lock-screw in head band four directions in internal thread hole, has counterbore in the outside of internal thread hole.

But the highly effective vehicle clamper in above-mentioned calibration car hole, have the detent that communicates with the clamp body transitional pore on fixed disk, be provided with the T-shaped pressing plate with through hole in described detent, one of described T-shaped pressing plate corrects on the undercut groove plane that is pressed in clamp body, and the T-shaped pressing plate is made axial location by the internal thread hole threaded on soket head cap screw, plain washer and detent to clamp body.

But the highly effective vehicle clamper in above-mentioned calibration car hole, also axially have fastening hole and latch spring hole on the large cylinder side of clamp body, shouldered latch is housed in described fastening hole, on described latch, cover has latch spring, described latch spring is contained in the latch spring hole, and described latch is enclosed within calibration locating hole on fixed disk near an end of convex shoulder.

But the highly effective vehicle clamper in above-mentioned calibration car hole, the fixed disk left and right also is provided with the technique groove that communicates with the clamp body transitional pore.

The utility model is reasonable in design, simple in structure, easy to operate, low cost of manufacture, production efficiency is high, process valve body one hole of automobile air-conditioning heating power expansion valve when turning after, as long as unscrew the T-shaped pressing plate, pull up latch, with clamp body Rotate 180 °, again latch is inserted another calibration locating hole, fastening T-shaped pressing plate then, can rapid turning processing valve body another hole.The utility model is applicable to the valve body Vehicle Processing of automobile air-conditioning heating power expansion valve.

Description of drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the right side view of Fig. 1.

Fig. 3 is for being the right side view of Fig. 2.

Fig. 4 is the structural representation of the utility model fixed disk.

Fig. 5 is the structural representation of the utility model clamp body.

In figure, 1-fixed disk, 2-clamp body, 3-T-shaped pressing plate, the 4-soket head cap screw, 5-plain washer, 6-automobile air-conditioning heating power expansion valve valve body, 7-briquetting, the 8-latch spring, 9-latch, 10-lock-screw, 11-counterbore, the 12-workpiece installing hole, 13-valve body return-air hole, 14-valve body air admission hole, 15-clamp body transitional pore, 16-clamp body locating hole, 17-calibration locating hole, 18-detent, 19, the 24-internal thread hole, 20-technique groove, 21-undercut groove, 22-latch spring hole, 23-fastening hole.

The specific embodiment

But as the highly effective vehicle clamper of Fig. 1 to calibration car shown in Figure 5 hole, consisted of by fixed disk 1, clamp body 2, T-shaped pressing plate 3, briquetting 7, latch spring 8, latch 9 and lock-screw 10.Described fixed disk 1 is provided with and is placed on same axis and keeps clamp body transitional pore 15 and the clamp body locating hole 16 of an eccentric throw with the rotation of fixed disk 1, be provided with laterally zygomorphic two calibration locating holes 17 in clamp body transitional pore 15, described clamp body 2 is made of small one and large one two cylinder disjunctors that are placed on same axis, the large cylinder of clamp body 2 just in time is enclosed within clamp body transitional pore 15 on fixed disk, and the small cylinder of clamp body 2 is enclosed within that clamp body locating hole 16 on fixed disk 1 is interior does radial location to clamp body 2.Have the workpiece installing hole 12 of rectangular blind hole on the large cylinder side of clamp body 2, briquetting 7 is housed in workpiece installing hole 12, have undercut groove 21 and internal thread hole 24 on the large cylinder external diameter of clamp body 2, internal thread hole 24 is connected with workpiece installing hole 12, and be provided with the lock-screw 10 in head band four directions in internal thread hole 24, have counterbore 11 in internal thread hole 24 outsides.Axially also have fastening hole 23 and latch spring hole 22 on the large cylinder side of described clamp body 2, shouldered latch 9 is housed in described fastening hole 23, on described latch 9, cover has latch spring 8, described latch spring 8 is contained in latch spring hole 22, and described latch 9 is enclosed within calibration locating hole 17 on fixed disk 1 near an end of convex shoulders.

Have the detent 18 that communicates with clamp body transitional pore 15 on described fixed disk 1, be provided with the T-shaped pressing plate 3 with through hole in detent 18, one of T-shaped pressing plate 3 corrects on undercut groove 21 planes that are pressed in clamp body 2, and T-shaped pressing plate 3 is made axial location with internal thread hole 19 threaded on detent 18 to clamp body 2 by soket head cap screw 4, plain washer 5.Fixed disk 1 left and right also is provided with the technique groove 20 that communicates with clamp body transitional pore 15, and internal thread hole 24 outboard counterbore 11 on described technique groove 20 and clamp body 2 are all in order to tighten with impact wrench or to need when unscrewing lock-screw 10 set.

During use, the utility model is contained on lathe headstock flange, manual rotation clamp body 2, and in the calibration locating hole 17 on latch 9 insertion fixed disks 1, be just in time the position of turning valve body return-air hole 13 this moment, fastening T-shaped pressing plate 3, locking clamp concrete 2.Then automobile air-conditioning heating power expansion valve valve body 6 is packed in the workpiece installing hole 12 of clamp body 2, tighten lock-screw 10 with impact wrench, by briquetting 7, air conditioner heating power expansion valve valve body 6 is clamped, can drive to complete turning valve body return-air hole 13 this moment.Stop, unscrew T-shaped pressing plate 3, pull up latch 9, with clamp body Rotate 180 °, then latch 9 is inserted in another calibration locating holes 17, then fastening T-shaped pressing plate 3, can drive rapidly to complete turning processing valve body air admission hole 14.

Claims

1. but the highly effective vehicle clamper in calibration car hole, comprise fixed disk (1) and clamp body (2), it is characterized in that, described fixed disk (1) is provided with and is placed on same axis and keeps clamp body transitional pore (15) and the clamp body locating hole (16) of an eccentric throw with the rotation of fixed disk (1), be provided with laterally zygomorphic two calibration locating holes (17) in described clamp body transitional pore (15), described clamp body (2) is made of small one and large one two cylinder disjunctors that are placed on same axis, the large cylinder of clamp body (2) just in time is enclosed within clamp body transitional pore (15) on fixed disk (1), the small cylinder of clamp body (2) is enclosed within clamp body locating hole (16) on fixed disk (1) clamp body (2) is done radial location.

2. but the highly effective vehicle clamper in calibration car according to claim 1 hole, it is characterized in that, have the workpiece installing hole (12) of rectangular blind hole on the large cylinder side of described clamp body (2), briquetting (7) is housed in described workpiece installing hole (12).

3. but the highly effective vehicle clamper in calibration car according to claim 1 hole, it is characterized in that, have undercut groove (21) and internal thread hole (24) on the large cylinder external diameter of described clamp body (2), described internal thread hole (24) is connected with workpiece installing hole (12), and be provided with the lock-screw (10) in head band four directions in internal thread hole (24), have counterbore (11) in the outside of internal thread hole (24).

4. but the highly effective vehicle clamper in calibration car according to claim 1 hole, it is characterized in that, have the detent (18) that communicates with clamp body transitional pore (15) on described fixed disk (1), be provided with the T-shaped pressing plate (3) with through hole in described detent (18), one of described T-shaped pressing plate (3) corrects on undercut groove (21) plane that is pressed in clamp body (2), T-shaped pressing plate (3) is by soket head cap screw (4), plain washer (5) is made axial location with internal thread hole (19) threaded on detent (18) to clamp body (2).

5. but the highly effective vehicle clamper in calibration car according to claim 1 hole, it is characterized in that, also axially have fastening hole (23) and latch spring hole (22) on the large cylinder side of described clamp body (2), shouldered latch (9) is housed in described fastening hole (23), the upper cover of described latch (9) has latch spring (8), described latch spring (8) is contained in latch spring hole (22), described latch (9) is enclosed within calibration locating hole (17) on fixed disk (1) near an end of convex shoulder.

6. but the highly effective vehicle clamper in calibration car according to claim 1 hole, is characterized in that, described fixed disk (1) left and right also is provided with the technique groove (20) that communicates with clamp body transitional pore (15).