CN219853743U

CN219853743U - Thin wall powder metallurgy spare frock of polishing

Info

Publication number: CN219853743U
Application number: CN202320988775.9U
Authority: CN
Inventors: 刘帆; 谢二帅; 吴一若; 斯剑波; 杨永超
Original assignee: Chongqing Jianshe Haofang Precision Manufacturing Co ltd
Current assignee: Chongqing Jianshe Haofang Precision Manufacturing Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-10-20
Anticipated expiration: 2033-04-27

Abstract

The utility model belongs to the technical field of workpiece polishing and discloses a thin-wall powder metallurgy part polishing tool which comprises a mounting seat, wherein an upper supporting plate is arranged at the top end of the mounting seat, two supporting blocks are arranged on the upper end face of the upper supporting plate in parallel, a bearing seat is arranged on the upper end face of each supporting block, a transmission shaft is jointly arranged on the two bearing seats in a penetrating mode, two grinding wheels are arranged outside the transmission shaft, a protective cover is detachably arranged on the upper end face of the upper supporting plate and positioned on the periphery of the two bearing seats, and a guide groove is arranged between the two grinding wheels.

Description

Thin wall powder metallurgy spare frock of polishing

Technical Field

The utility model belongs to the technical field of workpiece polishing, and particularly relates to a polishing tool for a thin-wall powder metallurgy part.

Background

The powder metallurgy part, especially for thin wall parts, has irregular deformation after quenching, and the deformation cannot be controlled, can cause a large amount of scrapping, and after the product is formed, the product is manually corrected by a large extent, the manual correction has defects, the elastic deformation of metal can cause the size of the workpiece to be unqualified, the problem that no usable scheme is available in the market at present is solved due to non-standard parts, BDK workpieces are manually rubbed and extruded at present, the method is time-consuming and laborious, the intensity is improperly controlled during rubbing, and high scrapping rate is caused, so that the polishing tool for the thin wall powder metallurgy part is very important.

Disclosure of Invention

The utility model aims to provide a polishing tool for a thin-wall powder metallurgy part, which solves the problems that the existing manual polishing and extrusion mode in the prior art is time-consuming and labor-consuming, the strength is not properly controlled during polishing, and high rejection rate is easily caused.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a thin-walled powder metallurgy part grinding tool, comprising:

the mounting seat is provided with an upper supporting plate at the top end, two supporting blocks are arranged on the upper end face of the upper supporting plate in parallel, a bearing seat is arranged on the upper end face of each supporting block, two bearing seats are provided with transmission shafts in a penetrating mode, two grinding wheels are arranged on the outer portion of each transmission shaft, a protective cover is detachably arranged on the upper end face of the upper supporting plate and located on the periphery of the two bearing seats, and a guide groove is formed in the upper end face of the protective cover and located between the two grinding wheels;

and the driving structure is used for realizing the rotation of the transmission shaft.

Preferably, the driving structure comprises a motor and a belt wheel, the belt wheel is arranged at one end of the transmission shaft, the motor is arranged in the mounting seat, and the output end of the motor and the belt wheel are in belt V belt transmission.

Preferably, the protective cover is of an inverted concave structure.

Preferably, the upper end face both sides of upper supporting plate all are equipped with L template, L template is for supporting the groove towards one side of supporting shoe, the bottom of protection casing can imbed and support the inslot.

Preferably, the outer wall of the L-shaped plate is provided with a threaded hole.

Preferably, a switch is embedded on the outer wall of the mounting seat, and a lower support plate is fixed at the bottom end of the mounting seat.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The utility model has compact structure and convenient use, when in use, the workpiece is arranged at the guide groove, the rotation of the transmission shaft can drive the two grinding wheels to rotate, and the excessive materials on the two sides are ground by the grinding wheels, so that the grinding purpose is achieved, the consistency of the ground dimension is high, the parallelism required by the drawing can be ensured, the manual repair and extrusion mode is not needed, the time and the labor are saved, the grinding dimension precision is high, the running is stable, and the efficiency and the yield are greatly improved.

(2) According to the grinding wheel, the two grinding wheels are supported by the bearing seats at the two ends, so that the rotation stability of the two grinding wheels is ensured, in addition, the motor drives the transmission shaft to operate through the V-shaped belt transmission, and the grinding wheels can be stably operated.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a perspective view of the mounting block and shield of the present utility model removed;

in the figure: 1. a mounting base; 2. a switch; 3. an upper support plate; 4. a support block; 5. a bearing seat; 6. a transmission shaft; 7. a belt wheel; 8. grinding wheel; 9. a protective cover; 10. a guide groove; 11. a lower support plate; 12. an L-shaped plate; 13. and (5) abutting against the groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Fig. 1 is a perspective view of the present utility model, as can be seen from the figure, the polishing tool for thin-wall powder metallurgy parts mainly includes:

the mounting seat 1, the outer wall of mounting seat 1 inlays and is equipped with switch 2, and the bottom mounting of mounting seat 1 has lower backup pad 11, utilize lower backup pad 11 to install this frock on the processing bench, upper backup pad 3 is installed on the top of mounting seat 1, upper end face parallel of upper backup pad 3 is equipped with two supporting shoe 4, a bearing frame 5 is all installed to the up end of every supporting shoe 4, wear to be equipped with transmission shaft 6 jointly on two bearing frames 5, the externally mounted of transmission shaft 6 has two emery wheels 8, upper backup pad 3 up end just is located the periphery of two bearing frames 5 can dismantle and be equipped with protection casing 9, protection casing 9 up end just is located and is equipped with guide slot 10 between two emery wheels 8.

By last, the rotation of transmission shaft 6 can drive two emery wheels 8 and rotate, wherein transmission shaft 6 both ends have bearing frame 5 to support, this steady when having guaranteed two emery wheels 8 to rotate, wherein, when using, the work piece is arranged in the guide slot 10 department and is advanced, through the surplus material in emery wheel 8 grinding both sides, reach the grinding purpose, the size uniformity that the grinding comes out is high, can guarantee the depth of parallelism of drawing requirement, need not to adopt manual repair to rub with hands and the extruded mode, comparatively labour saving and time saving has not only realized that the grinding dimensional accuracy is high, steady operation, also very big promotion to efficiency and yields.

The polishing tool for the thin-wall powder metallurgy part further comprises a driving structure, wherein the driving structure is used for realizing rotation of the transmission shaft 6.

Wherein, preferably, the drive structure includes motor and band pulley 7, and band pulley 7 installs in the one end of transmission shaft 6, and the motor is installed in mount pad 1, and passes through belt V belt transmission between the output of motor and band pulley 7.

By the last, utilize switch 2 start-up motor, can utilize the belt to drive band pulley 7 rotation, and then drive two emery wheels 8 on the transmission shaft 6 and rotate to accomplish polishing, the motor passes through V belt drive, drives transmission shaft 6 operation, can realize emery wheel 8 steady operation.

Referring to fig. 1, the protection cover 9 has an inverted concave structure, the grinding wheel 8 penetrates through an upper end panel of the protection cover 9, two side plates of the protection cover 9 are deformable, two sides of an upper end surface of the upper support plate 3 are provided with L-shaped plates 12, one side of the L-shaped plates 12, facing the support block 4, is provided with a supporting groove 13, and the bottom end of the protection cover 9 can be embedded into the supporting groove 13.

Through the technical scheme:

when the protective cover 9 is installed, the installation distance of the L-shaped plates 12 on the two sides is smaller than the installation distance of the two side plates of the protective cover 9 in a natural state, and then the two side plates are close to the two side plates of the protective cover 9 in the supporting grooves 13 on the two sides respectively, the two side plates can generate outward elasticity and can be stably attached to the inner walls of the supporting grooves 13, so that the protective cover can be installed and fixed, is convenient and quick to install, and is beneficial to follow-up disassembly.

Further, the outer wall of the L-shaped plate 12 is provided with a threaded hole, after the protective cover 9 is installed, a screw can be screwed through the threaded hole formed in the L-shaped plate 12, the protective cover 9 is reinforced by the screw, and the installation stability of the protective cover 9 can be further improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A thin wall powder metallurgy spare frock of polishing, its characterized in that includes:

the mounting seat (1), upper supporting plates (3) are mounted at the top ends of the mounting seat (1), two supporting blocks (4) are arranged on the upper end faces of the upper supporting plates (3) in parallel, each supporting block (4) is provided with a bearing seat (5), two bearing seats (5) are jointly penetrated with a transmission shaft (6), two grinding wheels (8) are mounted on the outer portion of each transmission shaft (6), a protective cover (9) is detachably arranged on the upper end faces of the upper supporting plates (3) and located on the peripheries of the two bearing seats (5), and guide grooves (10) are formed in the upper end faces of the protective covers (9) and located between the two grinding wheels (8);

and the driving structure is used for realizing the rotation of the transmission shaft (6).

2. The thin-walled powder metallurgy part polishing tool according to claim 1, wherein: the driving structure comprises a motor and a belt wheel (7), wherein the belt wheel (7) is arranged at one end of the transmission shaft (6), the motor is arranged in the mounting seat (1), and the output end of the motor and the belt wheel (7) are in belt transmission through a belt V.

3. The thin-walled powder metallurgy part polishing tool according to claim 1, wherein: the protective cover (9) is of an inverted concave structure.

4. A thin-walled powder metallurgy part grinding tool according to claim 3, wherein: the upper end face both sides of last backup pad (3) all are equipped with L template (12), one side that L template (12) towards supporting shoe (4) is for supporting groove (13), can imbed in supporting groove (13) in the bottom of protection casing (9).

5. The thin-walled powder metallurgy part polishing tool according to claim 4, wherein: screw holes are formed in the outer wall of the L-shaped plate (12).

6. The thin-walled powder metallurgy part polishing tool according to claim 1, wherein: the switch (2) is embedded in the outer wall of the mounting seat (1), and a lower supporting plate (11) is fixed at the bottom end of the mounting seat (1).