CN210790559U

CN210790559U - Phase angle self-centering adjustable bracket for small single-throw crankshaft

Info

Publication number: CN210790559U
Application number: CN201921787066.4U
Authority: CN
Inventors: 张婧婕; 张红梅; 张小菊; 程辉
Original assignee: SHAANXI QINCHUAN GRINDING MACHINE CO LTD
Current assignee: SHAANXI QINCHUAN GRINDING MACHINE CO LTD
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-06-19
Anticipated expiration: 2029-10-23

Abstract

The utility model provides a phase angle is from adjustable bracket of feeling relieved for small-size single-throw bent axle, the on-line screen storage device comprises a base, rocking arm and V type piece, base lower part and lathe mesa fixed connection, the rocking arm middle part is rotated and is supported in base up end middle part, rocking arm one end is through upper and lower position adjustable formula structure fixedly connected with V type piece, the V type mouth of V type piece supports the work piece up and the work piece of being convenient for is from the alignment of feeling relieved phase angle, but the rocking arm other end carries out quick detachable formula through the briquetting of locating base up end one end and fixes. The utility model discloses utilized the self-centering principle of V type piece, not only can be quick accurate the phase angle of alignment work piece, improved work piece clamping efficiency, can inject the phase angle of the work piece of same specification in a fixed position moreover, during batch production, make the machining dimension uniformity of a plurality of products good, improve product quality, reduce the product rejection rate.

Description

Phase angle self-centering adjustable bracket for small single-throw crankshaft

Technical Field

The utility model belongs to the technical field of the lathe clamping auxiliary assembly, concretely relates to a phase angle is from centering adjustable bracket for small-size single-throw bent axle.

Background

When the small single-crank crankshaft connecting rod diameter is ground by using a common numerical control grinding machine, the workpiece is clamped in two steps, wherein the first step is to align the phase angle of the workpiece, and the second step is to fix the workpiece by using a special fixture. Because the volume of small-size single-throw bent axle is less, and the headspace is less on the corresponding workstation on the mill, and large-scale or professional work piece positioner can't place, so the manual alignment of alignment that present small-size single-throw bent axle phase angle generally adopts the percentage table, and this kind of alignment mode of current has very big shortcoming: firstly, an exact positioning mechanism is not provided, manual alignment is completely relied on, the alignment is time-consuming and labor-consuming, and the efficiency is low; secondly, the size consistency of workpieces during batch grinding is poor, and the rejection rate is high. There is therefore a need for improvements.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem: the utility model provides a phase angle is from centering adjustable bracket for small-size single-throw bent axle, the utility model discloses utilized the principle of centering certainly of V type piece, not only can be quick accurate the phase angle of alignment work piece, improve work piece clamping efficiency, can inject the phase angle of the work piece of same specification in a fixed position moreover, during batch production, make the machining dimension uniformity of a plurality of products good, improve product quality, reduce the product rejection rate.

The utility model adopts the technical proposal that: a phase angle is from adjustable bracket of feeling relieved for small-size single-turn crankshaft, including base, rocking arm and V type piece, base lower part and lathe mesa fixed connection, the rocking arm middle part is rotated and is supported in base up end middle part, rocking arm one end is through upper and lower position adjustable structure fixedly connected with V type piece, the V type mouth of V type piece supports the work piece up and be convenient for the work piece from the alignment of feeling relieved phase angle, but the rocking arm other end carries out quick detachable formula through the briquetting of locating base up end one end and fixes.

To above-mentioned technical scheme's preferred mode, I fixedly connected with support of screw is passed through in base up end middle part, be equipped with the support hole on the support, the rocking arm middle part is equipped with the rocking arm mounting hole, and the rocking arm is rotated and is connected on the support to the pivot passes rocking arm mounting hole and support hole, it is spacing that the axle head shoulder is passed through to pivot one end, it is spacing that the nut is passed through to the pivot other end, be equipped with the axle sleeve between the rocking arm mounting hole of rocking arm and the pivot.

To the preferred mode of the above technical scheme, the upper and lower position adjustable fixed knot of V type piece constructs: a strip-shaped hole is formed in one end, used for installing a V-shaped block, of the rotating arm, the V-shaped block is fixedly connected with the strip-shaped hole through a screw III, a supporting block is arranged on the rotating arm at the lower portion of the V-shaped block, and a screw IV for supporting the lower portion of the V-shaped block is screwed on the supporting block.

To above-mentioned technical scheme's preferred mode, the briquetting passes through screw II and base fixed connection, be equipped with the mounting groove that is used for the card to go into the corresponding tip of rocking arm on the briquetting towards the one side of rocking arm, still be equipped with on the briquetting and compress tightly the screw with mounting groove intercommunication, the handle with compress tightly the screw and close soon and one end stretch into the mounting groove and compress tightly the corresponding tip of rocking arm.

To above-mentioned technical scheme's preferred mode, be the inclined plane below the base, the one end that inclines up below the base is equipped with spacing platform, the middle part is equipped with the mounting groove below the base, the inside cylindric lock that rotates through of mounting groove supports has the tight piece of clamp, the inside through-hole that is equipped with and the mounting groove intercommunication of base, be equipped with the ejector pin in the through-hole, the through-hole outer end is equipped with the internal thread, and set screw closes soon with the internal thread of through-hole and promotes the ejector pin and withstands and press from both sides tight piece upper end and make and.

The utility model has the advantages compared with the prior art:

1. the scheme utilizes the self-centering principle of the V-shaped block, not only can quickly and accurately align the phase angle of the workpiece and improve the workpiece clamping efficiency, but also can limit the phase angle of the workpiece with the same specification at a fixed position, and during batch production, the consistency of the processing sizes of a plurality of products is good, the product quality is improved, and the product rejection rate is reduced;

2. the scheme can be used for aligning the workpiece and can be used as a bracket, and the labor intensity of workers can be reduced during batch processing;

3. when the scheme is used, only the V-shaped blocks of different models need to be replaced according to the change of the neck of the crankshaft connecting rod, the use is flexible and variable, and the adaptability range is wide.

Drawings

FIG. 1 is a front view of the structure of the present invention;

fig. 2 is a top view of the structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one.. said element does not exclude the presence of other like elements in the process, method, article or apparatus that comprises the element.

Referring to fig. 1-2, embodiments of the present invention are detailed,

a phase angle is from adjustable bracket of centering for small-size single-throw bent axle, including base 1, rocking arm 8 and V type piece 15, 1 lower part of base and lathe mesa fixed connection, the connection structure of base 1 and lathe specifically is: the machine tool table is characterized in that an inclined surface is arranged below the base 1, a limiting table 103 is arranged at one end, inclined upwards, below the base 1, a mounting groove 101 is arranged in the middle of the lower surface of the base 1, a clamping block 2 is rotatably supported in the mounting groove 101 through a cylindrical pin 3, a through hole 102 communicated with the mounting groove 101 is formed in the base 1, a push rod 4 is arranged in the through hole 102, an internal thread is arranged at the outer end of the through hole 102, and a fixing screw 5 and the internal thread of the through hole 102 are screwed and push the push rod 4 to push the upper end of the clamping block 2 to enable the.

The middle of the rotating arm 8 is rotatably supported in the middle of the upper end face of the base 1, specifically, the middle of the upper end face of the base 1 is fixedly connected with a support 9 through a screw I13, a support hole 901 is formed in the support 9, a rotating arm mounting hole 801 is formed in the middle of the rotating arm 8, a rotating shaft 10 penetrates through the rotating arm mounting hole 801 and the support hole 901 to rotatably connect the rotating arm 8 to the support 9, one end of the rotating shaft 10 is limited through a shaft end shoulder, the other end of the rotating shaft 10 is limited through a nut 12, and a shaft sleeve 11 is arranged between the rotating arm mounting hole 801 of the rotating arm 8 and the rotating shaft.

And one end of the rotating arm 8 is fixedly connected with a V-shaped block 15 through an up-down position adjustable structure, and a V-shaped opening of the V-shaped block 15 upwards supports a workpiece so as to facilitate alignment of the workpiece from a centering phase angle. The upper and lower position adjustable fixed knot of V type piece 15 constructs to be: a strip-shaped hole 803 is formed in one end, used for mounting the V-shaped block 15, of the rotating arm 8, the V-shaped block 15 is fixedly connected with the strip-shaped hole 803 through a screw III 16, a supporting block 802 is arranged on the rotating arm 8 arranged at the lower portion of the V-shaped block 15, and a screw IV 17 for supporting the lower portion of the V-shaped block 15 is screwed on the supporting block 802.

The other end of the rotating arm 8 is fixed in a quick detachable mode through a pressing block 6 arranged at one end of the upper end face of the base 1. Specifically, briquetting 6 passes through screw II 14 and base 1 fixed connection, briquetting 6 is equipped with the mounting groove 601 that is used for going into the corresponding tip of rocking arm 8 of card on the one side of rocking arm 8, still be equipped with the screw 602 that compresses tightly that is linked together with mounting groove 601 on the briquetting 6, handle 7 with compress tightly screw 602 and close soon and one end stretch into in the mounting groove 601 with rocking arm 8 corresponding tip compress tightly.

The utility model discloses the use step: the first workpiece uses a dial indicator to align the phase, and then an eccentric fixture is used for clamping the workpiece on a machine tool. At the moment, one end of the rotating arm 8 is pressed tightly through the rotating handle 7, and the V-shaped block 15 is adjusted through the screw III 16 and the strip-shaped hole 803, so that the V-shaped block 15 is contacted with the diameter of the crankshaft connecting rod of the workpiece and is fixed firmly; then, when a workpiece with the same specification is clamped every time, the workpiece is placed on the V-shaped block 15, and the phase angle of the connecting rod diameter is determined by utilizing the self-centering principle of the V-shaped block 15; after the phase angle is determined, the workpiece is fixed, and then the handle 7 is released, and the V-shaped block 15 is separated from the workpiece by the center of gravity for grinding. When the diameter of the crankshaft connecting rod changes, only the V-shaped block 15 with the corresponding specification can be replaced, so that the crankshaft connecting rod adapts to a new workpiece.

The utility model discloses utilized the self-centering principle of V type piece, not only can be quick accurate the phase angle of alignment work piece, improved work piece clamping efficiency, can inject the phase angle of the work piece of same specification in a fixed position moreover, during batch production, make the machining dimension uniformity of a plurality of products good, improve product quality, reduce the product rejection rate.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A phase angle is from centering adjustable bracket for small-size single-throw bent axle, its characterized in that: including base (1), rocking arm (8) and V type piece (15), base (1) lower part and lathe mesa fixed connection, rocking arm (8) middle part is rotated and is supported in base (1) up end middle part, rocking arm (8) one end is through upper and lower position adjustable formula structure fixedly connected with V type piece (15), the V type mouth of V type piece (15) supports the work piece up and the work piece of being convenient for is from the alignment at centering phase angle, but rocking arm (8) other end carries out quick detachable formula through briquetting (6) of locating base (1) up end one end and fixes.

2. A phase angle self-centering adjustable bracket for a small single throw crankshaft as defined in claim 1, wherein: the support is fixedly connected with a support (9) in the middle of the upper end face of the base (1) through a screw I (13), a support hole (901) is formed in the support (9), a rotating arm mounting hole (801) is formed in the middle of the rotating arm (8), the rotating shaft (10) penetrates through the rotating arm mounting hole (801) and the support hole (901) to rotatably connect the rotating arm (8) to the support (9), one end of the rotating shaft (10) is limited through a shaft end shoulder, the other end of the rotating shaft (10) is limited through a nut (12), and a shaft sleeve (11) is arranged between the rotating arm mounting hole (801) of the rotating arm (8) and the rotating shaft (10).

3. A phase angle self-centering adjustable bracket for a small single throw crankshaft as defined in claim 1, wherein: the upper and lower position adjustable fixed knot of V type piece (15) constructs to be: one end of the rotating arm (8) used for installing the V-shaped block (15) is provided with a strip-shaped hole (803), the V-shaped block (15) is fixedly connected with the strip-shaped hole (803) through a screw III (16), a supporting block (802) is arranged on the rotating arm (8) at the lower part of the V-shaped block (15), and a screw IV (17) for supporting the lower part of the V-shaped block (15) is screwed on the supporting block (802).

4. A phase angle self-centering adjustable bracket for a small single throw crankshaft as defined in claim 1, wherein: briquetting (6) are through II (14) and base (1) fixed connection of screw, briquetting (6) are equipped with in the one side towards rocking arm (8) and are used for going into rocking arm (8) and correspond mounting groove (601) of tip, still be equipped with on briquetting (6) and compress tightly screw (602) that are linked together with mounting groove (601), handle (7) with compress tightly screw (602) and close soon and one end stretches into in mounting groove (601) and correspond tip with rocking arm (8) and compress tightly.

5. A phase angle self-centering adjustable bracket for a small single throw crankshaft as defined in claim 1, wherein: be the inclined plane below base (1), the one end of slope up below base (1) is equipped with spacing platform (103), middle part is equipped with mounting groove (101) below base (1), inside round pin (3) rotation support through mounting groove (101) has tight piece (2), base (1) inside is equipped with through-hole (102) with mounting groove (101) intercommunication, be equipped with ejector pin (4) in through-hole (102), through-hole (102) outer end is equipped with the internal thread, and set screw (5) and the internal thread of through-hole (102) are soon merged and are promoted ejector pin (4) and withstand and press from both sides tight piece (2) upper end and make and press from both sides tight lathe mesa of tight piece (2) lower extreme.