CN220515370U - Make things convenient for utensil that whole casting axle housing psammitolite was maintained - Google Patents

Abstract

The utility model discloses an appliance for conveniently trimming a sand core of an integral casting axle housing, which comprises a rack, wherein two trimming stations with the same structure are arranged on the rack, and each trimming station consists of a supporting rotating mechanism and a sand core supporting anti-rotation device; the supporting and rotating mechanism is used for rolling and supporting the axle housing sand core, and the sand core supporting and anti-rotating device plays a role in supporting and preventing the axle housing sand core from rotating; the utility model can easily finish finishing operation by one person, has low manufacturing cost, saves time and labor, is economical and applicable, and can also prevent the problem of collision.

Description

Make things convenient for utensil that whole casting axle housing psammitolite was maintained

Technical Field

The utility model belongs to the field of sand core trimming devices, and particularly relates to an appliance for conveniently trimming sand cores of an integral casting axle housing.

Background

The requirements and the visual angles of the automobile industry on light weight are further deepened and expanded, the integrated casting technology of parts is promoted to be rapidly developed, and the cast steel welding axle housing is replaced by the high-strength and high-toughness integral casting axle housing represented by QT 700-10.

At present, the axle housing casting technology is started to be applied in batches at home, but large-scale sand cores have many factors such as large, heavy, long, unstable gravity centers and the like, so that the large-scale sand cores are difficult to repair.

As shown in fig. 1, the structure of the axle housing sand core: including sand core main part 1, all outwards extend on the both ends of sand core main part has sand core axle body 2, and the patent of bulletin number CN209255772U discloses a casting sand core trimming means is applicable to the sand core of trimming light in weight, small, is inconvenient for repairing the axle housing sand core.

Disclosure of Invention

The utility model discloses an appliance for conveniently and integrally casting an axle housing sand core, and aims to solve the problem that the axle housing sand core is difficult to repair.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a make things convenient for utensil that whole casting axle housing psammitolite was maintained, includes rack, its characterized in that: two trimming stations with the same structure are arranged on the rack, and each trimming station consists of a supporting rotating mechanism and a sand core supporting anti-rotation device; the structure of the supporting rotating mechanism is as follows: the device comprises supporting and rotating seats, wherein the supporting and rotating seats are symmetrically arranged on a bench, each supporting and rotating seat is provided with a pair of bearings, and two pairs of bearings which are oppositely arranged are used for rolling and supporting a bridge casing sand core; the sand core supports the structure of the anti-rotation device: including support, support sleeve, handle, steel pipe, backup pad and return spring, the support is fixed in on the rack, and support sleeve passes through bolt, gasket and lock nut and support swing joint, is equipped with the symmetry on support sleeve's the side and is equipped with the direction spout, and the handle is located the direction spout, and the one end and the handle fixed connection of steel pipe, the other end and the backup pad fixed connection of steel pipe, return spring limit are located the steel pipe, and the backup pad passes through return spring self return, and the backup pad plays support and prevent pivoted effect to axle housing psammitolite.

The technical scheme is further defined, and the structure of the supporting rotating seat is as follows: the device comprises a base, wherein the bottom of the base is fixedly connected with a rack, a pair of connecting pins are arranged on the vertical part of the base, and the connecting pins are in interference fit with a bearing; and a reinforcing plate is arranged between the bottom of the base and the vertical part and is used for reinforcing and supporting the rotating seat.

The technical scheme is further limited, and the vertical part of the base is provided with a U-shaped notch.

The technical scheme is further limited, and the rack is formed by splicing 2 longitudinal square tubes, 4 square tube stand columns and a plurality of transverse auxiliary connecting square tubes; the vertical square pipe is the symmetry setting, and 4 square pipe stands divide into 2 groups, and every 2 square pipe stands of group respectively with the end connection of 1 vertical square pipe, horizontal supplementary connection square pipe is the interval distribution form between two vertical square pipes, horizontal supplementary connection square pipe and horizontal square pipe fixed connection.

The technical scheme is further limited, a triangular reinforcing support plate is arranged at the joint of the square tube upright post and the longitudinal square tube on the rack, and the triangular reinforcing support plate is used for reinforcing the square tube upright post and the longitudinal square tube and plays a role in reinforcing and supporting.

The beneficial effects of the utility model are as follows: the bearing group for supporting the rotating mechanism forms a rolling bearing structure, so that the surface of the sand core is convenient to repair, the sand core is convenient to assemble and disassemble, and the stability is good; in order to prevent the problem of overturning caused by unstable gravity center during trimming, a sand core supporting and anti-rotation device is adopted to stably support one surface of the axle housing sand core with higher gravity center; the rotary sand core supporting anti-rotation device is convenient for operators to use; the utility model can be easily operated by one person, has low manufacturing cost, saves time and labor, is economical and applicable, and can also prevent the problem of collision.

Drawings

Fig. 1 is a structural diagram of a bridge casing sand core in the background art.

Fig. 2 is a structural diagram of the present utility model.

Fig. 3 is a perspective view of fig. 2.

Fig. 4 is a structural view of a support rotary base in the present utility model.

Fig. 5 is a structural view of the core support anti-rotation device of the present utility model.

Fig. 6 is a schematic view showing an exploded state of the core support anti-rotation device according to the present utility model.

Fig. 7 is a state of use diagram of the present utility model.

Description of the embodiments

As shown in fig. 2 and 3, an apparatus for facilitating the trimming of a sand core of an integral casting axle housing comprises a rack 3, wherein two trimming stations with the same structure are arranged on the rack, and each trimming station consists of a supporting rotating mechanism and a sand core supporting anti-rotation device;

as shown in fig. 2 and 3, the rack 3 is assembled by 2 longitudinal square tubes 301, 4 square tube columns 302 and a plurality of transverse auxiliary connection square tubes 303; the longitudinal square pipes are symmetrically arranged, play a role in connection and stabilization, and play a role in supporting and transferring of the forklift; the 4 square tube upright posts are divided into 2 groups, and each group of 2 square tube upright posts are respectively connected with the end parts of 1 longitudinal square tube, and play an important role in supporting; the transverse auxiliary connecting square pipes are distributed between the two longitudinal square pipes at intervals, and are fixedly connected with the longitudinal square pipes, so that the stability of the device can be improved, deformation, distortion and the like can be prevented; a triangular reinforcing support plate 304 is arranged at the joint of the square pipe upright post and the longitudinal square pipe on the rack, and the triangular reinforcing support plate 304 is used for reinforcing the square pipe upright post and the longitudinal square pipe and plays a role in reinforcing and supporting;

further, in a specific case, the cross-sectional dimension of the longitudinal square tube 301 is 100×100mm, and the length is 2160mm; the square tube column 302 has a cross-sectional dimension of 100 x 100mm and a length of 655 mm; the transverse auxiliary connecting square tube 303 has a cross section size of 50 x mm and a length of 600mm;

as shown in fig. 2 and 3, the structure of the supporting rotation mechanism is as follows: the bearing support comprises support rotation seats 4 which are symmetrically arranged on a bench, a pair of bearings 5 are arranged on each support rotation seat, and two pairs of bearings which are oppositely arranged are used for rolling and supporting axle housing sand cores.

As shown in fig. 4, the structure of the supporting rotating base 4: the device comprises a base 401, wherein the bottom of the base is fixedly connected with a rack, a pair of connecting pins 402 are arranged on the vertical part of the base, and the connecting pins are in interference fit with a bearing; the interference fit connection mode is beneficial to simplifying the structure, thereby being beneficial to reducing the cost; a reinforcing plate 403 is arranged between the bottom of the base and the vertical part, and the reinforcing plate is used for reinforcing and supporting the rotating seat.

As shown in fig. 4, a U-shaped notch 404 is provided on the vertical portion of the base 401, so as to avoid the lifting hook of the sand core.

As shown in fig. 5 and 6, the sand core supporting anti-rotation device 6 supports and prevents rotation of the axle housing sand core, and has the structure: the support is fixed on a rack, the support sleeve is rotationally connected with the support through bolts 607, gaskets and locking nuts 608, guide sliding grooves are symmetrically formed in the side faces of the support sleeve, the handles are located in the guide sliding grooves, one end of each steel pipe is fixedly connected with the corresponding handle, the other end of each steel pipe is fixedly connected with the corresponding support plate, the corresponding return springs are limited on the corresponding steel pipes, two ends of each return spring are abutted against the corresponding support sleeve and the corresponding support plate, and the support plates are automatically returned through the corresponding return springs; the structure is simple, the cost is reduced, the operation is convenient, and the multifunctional characteristic is realized.

The fixed connection points in the specification are welding, bolt connection and the like.

As shown in fig. 7, the axle housing sand core body on the axle housing sand core can realize free rotation between a pair of bearings supporting the rotating mechanism, thereby realizing integral rotation of the axle housing sand core, and facilitating the trimming of each face of the axle housing sand core by workers; the sand core supporting anti-rotation device positioned below the axle housing sand core rotates to be vertical, the supporting plate can stably support one surface of the axle housing sand core with the higher gravity center through the elasticity of the spring, the sand core surface can be smoothly trimmed due to the fact that the gravity center is not stable during trimming is prevented from being overturned; when the sand core supporting anti-rotation device is not used, the handle is pressed, the sliding steel pipe drives the supporting plate to compress the spring, so that the supporting plate is separated from the axle housing sand core, and the sand core supporting anti-rotation device is turned onto the rack, so that the operation staff can use the sand core supporting anti-rotation device conveniently; the utility model can be easily operated by one person, has low manufacturing cost, saves time and labor, is economical and applicable, and can also prevent the problem of collision.

Claims (5)

1. The utility model provides a make things convenient for utensil that whole casting axle housing psammitolite was maintained, includes rack, its characterized in that: two trimming stations with the same structure are arranged on the rack, and each trimming station consists of a supporting rotating mechanism and a sand core supporting anti-rotation device; the structure of the supporting rotating mechanism is as follows: the device comprises supporting and rotating seats, wherein the supporting and rotating seats are symmetrically arranged on a bench, each supporting and rotating seat is provided with a pair of bearings, and two pairs of bearings which are oppositely arranged are used for rolling and supporting a bridge casing sand core; the sand core supports the structure of the anti-rotation device: including support, support sleeve, handle, steel pipe, backup pad and return spring, the support is fixed in on the rack, and support sleeve passes through bolt, gasket and lock nut and support swing joint, and the symmetry is equipped with the direction spout on support sleeve's the side, and the handle is located the direction spout, and the one end and the handle fixed connection of steel pipe, the other end and the backup pad fixed connection of steel pipe, return spring limit are located the steel pipe, and the backup pad passes through return spring self return, and the backup pad plays support and prevents pivoted effect to axle housing psammitolite.

2. The apparatus for facilitating trimming of integrally cast axle housing sand cores of claim 1, wherein said support swivel is structured to: the device comprises a base, wherein the bottom of the base is fixedly connected with a rack, a pair of connecting pins are arranged on the vertical part of the base, and the connecting pins are in interference fit with a bearing; and a reinforcing plate is arranged between the bottom of the base and the vertical part and is used for reinforcing and supporting the rotating seat.

3. An apparatus for facilitating the trimming of an integrally cast axle housing sand core as set forth in claim 2 wherein: and a U-shaped notch is arranged on the vertical part of the base.

4. A device for facilitating the trimming of integrally cast axle housing sand cores as claimed in any one of claims 1 to 3, wherein: the rack is formed by splicing 2 longitudinal square tubes, 4 square tube stand columns and a plurality of transverse auxiliary connecting square tubes; the vertical square pipe is the symmetry setting, and 4 square pipe stands divide into 2 groups, and every 2 square pipe stands of group respectively with the end connection of 1 vertical square pipe, horizontal supplementary connection square pipe is the interval distribution form between two vertical square pipes, horizontal supplementary connection square pipe and horizontal square pipe fixed connection.

5. An apparatus for facilitating the trimming of an integrally cast axle housing sand core as set forth in claim 4 wherein: on the rack, square pipe stand and the junction of vertical side's pipe are equipped with triangle-shaped and strengthen the backup pad, and triangle-shaped strengthens the backup pad and is used for strengthening square pipe stand and vertical side's pipe.