CN217702489U

CN217702489U - Improved generation bent axle processing pneumatic hold-down device

Info

Publication number: CN217702489U
Application number: CN202221602605.4U
Authority: CN
Inventors: 谢晋; 姚云峰
Original assignee: Tongling Weida Electronic Technology Co ltd
Current assignee: Tongling Weida Electronic Technology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-11-01
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses an improved generation bent axle processing pneumatic pressing device, relate to bent axle processing technology field, the utility model discloses a work base station, an organic whole is provided with supplementary extension board on the work base station, and install first adjusting part on supplementary extension board and the work base station, install on the first adjusting part and be used for carrying out the fixed cylinder that compresses tightly to the bent axle both sides, the bottom position of work base station is provided with second adjusting part, first adjusting part is including the regulating block, and the laminating of the outside of regulating block has the regulating block, be connected with telescopic link and reset spring on the regulating block, and telescopic link and reset spring's outer end is connected with the fixed plate, second adjusting part is including the connecting block, and one side of connecting block is provided with the hand wheel, through setting up pivoted regulating block and reset spring cooperation, and place the platform and can rotate certain angle around the connecting axle on it, have be convenient for compress tightly and be convenient for adjust the advantage of placing the inclination adaptation processing of platform to the not unidimensional bent axle.

Description

Improved generation bent axle processing pneumatic hold-down device

Technical Field

The utility model relates to a bent axle processing technology field specifically is an improved generation bent axle processing pneumatic pressing device.

Background

The crankshaft is the most important part in the engine, bears the force transmitted by the connecting rod, converts the force into torque, outputs the torque through the crankshaft and drives other accessories on the engine to work, and is subjected to the combined action of centrifugal force of rotating mass, gas inertia force with periodic change and reciprocating inertia force to bear the bending and twisting load, so that the crankshaft is required to have enough strength and rigidity, the surface of a shaft neck needs to be wear-resistant, the work is uniform, the balance is good, and the crankshaft is usually provided with a pressing device in the machining process so as to be stable in the machining process.

However, the prior art has the following defects:

the pneumatic closing device of current bent axle processing compresses tightly fixedly through the upside or both sides to the bent axle, make the bent axle be difficult to rock man-hour, thereby the machining precision of bent axle has been ensured, but when fixed to the both sides of bent axle, often can not adjust the interval that both sides compressed tightly the cylinder according to the size of bent axle, the range of stretching out that compresses tightly the cylinder is limited, make the bent axle size of processing can only be in less within range, be not convenient for carry out the angle fine setting to placing the platform simultaneously, lead to processing inconvenient condition often can appear when adding man-hour to the different positions of bent axle.

In order to solve the problems, the pneumatic pressing device for processing the crankshaft is improved, and an improved pneumatic pressing device for processing the crankshaft is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a pneumatic closing device of improved generation bent axle processing, including the work base station, an organic whole is provided with supplementary extension board on the work base station, and installs first adjusting part on supplementary extension board and the work base station, install on the first adjusting part and be used for carrying out the fixed cylinder that compresses tightly to the bent axle both sides, the bottom position of work base station is provided with second adjusting part, and installs the platform of placing the bent axle on the second adjusting part, first adjusting part is including the regulating block, and the outside laminating of regulating block has the movable plate, be connected with telescopic link and reset spring on the movable plate, and telescopic link and reset spring's outer end is connected with the fixed plate.

As a preferred technical scheme of the utility model, the second adjusting part is including the connecting block, and one side of connecting block is provided with the hand wheel, the center department of hand wheel is connected with the lead screw, and threaded connection has the sliding sleeve on the lead screw, be provided with the removal rack on the sliding sleeve, and the inside of removing the rack runs through there is spacing inserted bar, and spacing inserted bar passes through the fixed block and is connected with the bottom of work base station, the upside meshing of removing the rack has the residual gear, and the residual gear with place the platform fixed.

As a preferred technical scheme of the utility model, lie in on the work base station and place platform department and seted up the opening, and place the inside of platform and run through and be connected to the open-ended connecting axle.

As a preferred technical scheme of the utility model, the regulating block is formed by two the same semicircle boards dislocation set, and the regulating block passes through driving motor and drive shaft drive.

As an optimal technical scheme of the utility model, every be provided with two on the fixed plate the telescopic link, and two the telescopic link sets up about reset spring's central line symmetry.

As a preferred technical scheme of the utility model, place the platform and set up for the halfcylinder, and the top of placing the platform is plane one side to the bottom of placing the platform is identical with incomplete gear.

The beneficial effects of the utility model are that:

the utility model has the advantages that the rotating adjusting block and the reset spring are arranged to cooperate, so that the distance between the two movable plates can be enlarged or reduced in the horizontal direction, when a larger or smaller crankshaft is processed, the crankshaft can still be fixed by the pressing cylinders at the two sides, and the use is more convenient;

through the cooperation that sets up lead screw, sliding sleeve and spacing inserted bar for remove the rack and can do the position activity in the horizontal direction, and drive the rotation of incomplete gear, make and place the platform and can rotate certain angle around the connecting axle above that, the platform of placing after the fine setting is convenient for the workman and processes the different positions of bent axle.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic perspective view of the main structure of the present invention;

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

fig. 3 is a schematic structural diagram of a second adjusting assembly of the present invention.

In the figure: 1. a working base station; 2. an auxiliary support plate; 3. a first adjustment assembly; 301. a regulating block; 302. moving the plate; 303. a telescopic rod; 304. a return spring; 305. a fixing plate; 4. a pressing cylinder; 5. a second adjustment assembly; 501. connecting blocks; 502. a hand wheel; 503. a screw rod; 504. a sliding sleeve; 505. moving the rack; 506. a limiting inserted rod; 507. a fixed block; 508. a residual gear; 509. a placing table.

Detailed Description

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

Example 1

As shown in fig. 1-3, the embodiment discloses an improved pneumatic pressing device for crankshaft machining, which includes a working base 1, an auxiliary support plate 2 is integrally arranged on the working base 1, a first adjusting assembly 3 is arranged on the auxiliary support plate 2 and the working base 1, a pressing cylinder 4 for fixing two sides of a crankshaft is arranged on the first adjusting assembly 3, a second adjusting assembly 5 is arranged at the bottom of the working base 1, a placing table 509 for placing the crankshaft is arranged on the second adjusting assembly 5, the first adjusting assembly 3 includes an adjusting block 301, a moving plate 302 is attached to the outer side of the adjusting block 301, a telescopic rod 303 and a return spring 304 are connected to the moving plate 302, a fixing plate 305 is connected to the outer ends of the telescopic rod 303 and the return spring 304, the second adjusting assembly 5 includes a connecting block 501, a hand wheel 502 is arranged on one side of the connecting block 501, a lead screw 503 is connected to the center of the hand wheel 502, a sliding sleeve 504 is connected to the lead screw 503, a moving rack 505 is arranged on the sliding sleeve 504, a limit inserted rod 506 penetrates through the fixing block 506, a limit inserted rod 506 is connected to the upper side of the fixing block 505 of the working base 1, a moving rack 508 and a residual gear 508 is engaged with a residual gear 508;

the crankshaft is placed on the placing table 509, the pressing cylinder 4 is started, the pressing cylinder 4 presses and fixes two sides of the crankshaft, then the crankshaft is machined, when the machining position changes continuously, the hand wheel 502 is rotated, the lead screw 503 rotates, the sliding sleeve 504 in threaded connection with the lead screw 503 drives the moving rack 505 to move for a short distance, and the placing table 509 is slightly inclined by an angle, so that the crankshaft machining device is suitable for workers to machine different positions of the crankshaft;

when the crankshaft needing to be processed is large or small, the adjusting block 301 can be started, the adjusting block 301 is matched with the reset spring 304 and the telescopic rod 303, the distance between the two moving plates 302 is changed, the two pressing cylinders 4 are started again, the large or small crankshaft is pressed, and the defect that the large or small crankshaft is difficult to press due to the limited extending range of the cylinders is overcome.

As shown in fig. 1, an opening is formed in the working base 1 at the position of the placing table 509, a connecting shaft connected to the opening penetrates through the inside of the placing table 509, the adjusting block 301 is formed by arranging two identical semicircular plates in a staggered manner, and the adjusting block 301 is driven by a driving motor and a driving shaft;

the placing table 509 rotates by a certain angle by taking the connecting shaft as a center, so that the placing table 509 is convenient to slightly incline, workers can more conveniently process different positions of the crankshaft, when the driving motor on the adjusting block 301 is started, the adjusting block 301 rotates, the moving plate 302 is pushed outwards by the adjusting block 301, and the position of the moving plate 302 is adjusted by matching with the internal pressure of the reset spring 304 on the moving plate 302.

As shown in fig. 2, two telescopic rods 303 are arranged on each fixing plate 305, and the two telescopic rods 303 are symmetrically arranged about a center line of the return spring 304;

the two telescopic rods 303 play a role in limiting when the moving plate 302 moves, so that the moving plate 302 moves along a fixed direction and cannot deviate.

As shown in fig. 3, the placing table 509 is semi-cylindrical, the top of the placing table 509 is a plane side, and the bottom of the placing table 509 is matched with the residual gear 508;

the placing table 509 is used for placing a crankshaft, the plane arrangement is more stable, the residual gear 508 rotates when receiving thrust, the placing table 509 fixed with the residual gear is driven to slightly incline by a certain angle, and machining of machining personnel is facilitated.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An improved crankshaft machining pneumatic pressing device is characterized in that a crankshaft is arranged on a machine frame;

comprises a working base (1);

an auxiliary support plate (2) is integrally arranged on the working base platform (1), a first adjusting assembly (3) is arranged on the auxiliary support plate (2) and the working base platform (1), a pressing cylinder (4) used for fixing the two sides of the crankshaft is arranged on the first adjusting assembly (3), a second adjusting assembly (5) is arranged at the bottom of the working base platform (1), and a placing platform (509) for placing the crankshaft is arranged on the second adjusting assembly (5);

first regulation subassembly (3) are including regulating block (301), and the outside laminating of regulating block (301) has movable plate (302), be connected with telescopic link (303) and reset spring (304) on movable plate (302), and the outer end of telescopic link (303) and reset spring (304) is connected with fixed plate (305).

2. The improved pneumatic pressing device for crankshaft machining according to claim 1, wherein the second adjusting assembly (5) comprises a connecting block (501), a hand wheel (502) is arranged on one side of the connecting block (501), a lead screw (503) is connected to the center of the hand wheel (502), a sliding sleeve (504) is in threaded connection with the lead screw (503), a moving rack (505) is arranged on the sliding sleeve (504), a limiting insertion rod (506) penetrates through the moving rack (505), the limiting insertion rod (506) is connected with the bottom of the working base (1) through a fixing block (507), a residual gear (508) is meshed with the upper side of the moving rack (505), and the residual gear (508) is fixed with a placing table (509).

3. The improved pneumatic pressing device for crankshaft machining according to claim 1, wherein an opening is formed in the working base (1) at the placing table (509), and a connecting shaft connected to the opening penetrates through the placing table (509).

4. The improved pneumatic pressing device for crankshaft machining according to claim 1, wherein the adjusting block (301) is formed by arranging two identical semicircular plates in a staggered mode, and the adjusting block (301) is driven by a driving motor and a driving shaft.

5. The improved pneumatic pressing device for crankshaft machining according to claim 1 is characterized in that two telescopic rods (303) are arranged on each fixing plate (305), and the two telescopic rods (303) are symmetrically arranged about a center line of a return spring (304).

6. The improved pneumatic pressing device for crankshaft machining according to claim 1, wherein the placing table (509) is semi-cylindrical, the top of the placing table (509) is a plane side, and the bottom of the placing table (509) is matched with the residual gear (508).