CN212444456U

CN212444456U - Polishing device for removing sharp edges of inner orifice of tube nozzle of barrel

Info

Publication number: CN212444456U
Application number: CN202020898535.6U
Authority: CN
Inventors: 杜伟; 韩宗辉; 岁朝龙
Original assignee: Guizhou Longfei Aviation Accessories Co ltd
Current assignee: Guizhou Longfei Aviation Accessories Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-02-02
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a grinding device for getting rid of sharp limit in barrel mouthpiece drill way, which comprises an upper housing, lower casing, the screw, the unit of polishing, drive unit and drive unit, go up and be connected through the screw between casing and the lower casing, be equipped with the recess chamber in the casing down, the recess intracavity is located to the drive unit, the drive unit passes casing and drive unit's one end and contacts and be connected, the unit of polishing passes casing and drive unit's the other end and contacts and be connected, the drive unit provides power through the drive unit, the drive unit synchronous motion of polishing, realize polishing the processing to sharp limit in the barrel mouthpiece drill way through the unit of polishing. Adopt grinding device, can satisfy the demand of the sharp limit burnishing and polishing in the barrel mouthpiece of different pipe diameters drill way, greatly improve the qualification rate of product, guarantee the machining precision and the quality of product, have simple structure, convenient to use, it is simple swift to polish, improves advantages such as work efficiency, is fit for popularizing and applying.

Description

Polishing device for removing sharp edges of inner orifice of tube nozzle of barrel

Technical Field

The utility model belongs to the technical field of the grinding tool technique in the mechanical finishing and specifically relates to a grinding device for getting rid of barrel mouthpiece inner orifice sharp edge.

Background

When manufacturing aviation hydraulic cylinder parts or actuating cylinders, cylinder nozzle workpieces are often encountered, and because the nozzle is arranged in the cylinder, an inner hole formed at the intersection of an inner hole of the nozzle and an inner hole of the cylinder is provided with a sharp edge, and the sharp edge needs to be polished and polished. If polishing treatment is not carried out, namely grinding is not carried out or the grinding effect is not good, when the piston reciprocates in the hydraulic cylinder, the O-shaped ring on the piston is easily scratched by the sharp edge in the nozzle, so that the service life of the hydraulic cylinder is influenced. In an aircraft hydraulic system, the actuating cylinder has a simple structure and works reliably, so the actuating cylinder is widely applied to the occasions of operating an aircraft control surface, retracting and releasing an undercarriage, a flap and a speed reducing plate, operating an engine tail nozzle, a reverse thrust device, an air inlet cone, operating a fuel pump and the like. The actuating cylinder applied to the aircraft landing gear has different functional functions aiming at different installation positions, and has the functional functions of unlocking, retracting, absorbing energy, damping, assisting in turning, controlling the attitude of the aircraft and the like. If the opening of the cylinder is not smooth, the moving piston or piston rod can be clamped to cause the piston or piston rod to be incapable of moving, and the phenomenon that the actuator cylinder cannot be normally unlocked in an emergency situation is caused.

In the prior art, the sharp edge of the inner hole of the tube nozzle of the tube body is ground into a slender cutter bar with a cutting edge by a turning tool cutter body, and the slender cutter bar extends into the tube body from the tube nozzle to manually scrape the sharp edge of the inner hole of the tube nozzle. Although the existing grinding device can also remove sharp edges of the inner orifice of the tube nozzle, the defects are as follows: the requirement on the operation skill of workers is high, the scraping amount is not uniform, the surface roughness is difficult to guarantee, the operation is troublesome, and the polishing and grinding efficiency is low.

With the rapid development of the aviation industry, the requirement on the processing precision of the product is higher and higher, and the requirement on the appearance quality of the product is also tighter and tighter. For the cylinder nozzle type workpiece with a long nozzle or a small inner diameter of the nozzle, the existing polishing mode is adopted for operation, so that the operation is troublesome, the polishing efficiency is low, the problem of poor processing quality exists, and the problem that the operation cannot be performed sometimes is caused.

Aiming at the polishing condition of the current cylinder nozzle workpiece, when the polishing treatment is carried out by adopting the existing manual mode, a large amount of manpower and financial resources are consumed, and due to the fact that the operating skills of different operators are different, the difference of the operating skills exists, and therefore the polished product has the phenomenon of unsmooth quality, the delivery cycle of the product is influenced, the production and processing of large batches cannot be met, and correspondingly, the production and development requirements of novel aviation hydraulic cylinder parts cannot be met. Therefore, a grinding device with simple structure and convenient operation and use needs to be designed to solve the problem of difficult grinding of sharp edges of inner orifices of existing cylinder pipe nozzle workpieces.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to the problem that exists among the background art, provide a simple structure, convenient to use's the state of polishing to this problem of solving current barrel mouthpiece class work piece difficulty of polishing, specifically speaking is a grinding device for getting rid of sharp limit in barrel mouthpiece drill way.

For solving the technical problem, the utility model discloses the technical scheme who adopts does: the utility model provides a grinding device for getting rid of sharp limit in barrel mouth of a river mouth, is including last casing, lower casing, screw, the unit of polishing, drive unit and drive unit, it all sets up to be the bar structure with casing down to go up the casing, go up and be connected through the screw between casing and the lower casing be equipped with the recess chamber in the casing down, the drive unit sets up the recess intracavity in the casing down, drive unit passes the one end of last casing and drive unit and contacts and be connected, the unit of polishing passes the other end of casing and drive unit and contacts and be connected, drive unit provides power through drive unit, drives the unit synchronous motion of polishing, realizes polishing the processing to sharp limit in the mouth of a river mouth through the unit of polishing.

Furthermore, the utility model discloses a grinding device for getting rid of barrel mouth of pipe inner orifice sharp edge, wherein the unit of polishing comprises tool bit, connecting rod and driven gear, the transmission unit comprises a plurality of drive gear of intermeshing and the connecting axle that is used for fixed drive gear, the drive unit comprises driving gear and the clamping handle who is fixed in the driving gear; the driven gear is arranged in a groove cavity in the lower shell and is meshed with a transmission gear at the rear end of the transmission unit, the lower end of the connecting rod penetrates through the upper shell to be fixedly connected with the driven gear, the tool bit is arranged at the upper end of the connecting rod and is positioned above the upper shell, the driving gear is arranged in the groove cavity in the lower shell and is meshed with a transmission gear at the front end of the transmission unit, the lower end of the clamping handle is fixedly connected with the driving gear, and the upper end of the clamping handle penetrates through the upper shell and is positioned outside the upper shell; the clamping handle is connected with an external power device and used for providing power for the driving gear, and the driving gear drives the transmission gear and the driven gear to synchronously move.

Further, a grinding device for getting rid of sharp limit in barrel mouth of pipe drill way, wherein driven gear, drive gear and driving gear are the same inner hexagonal straight gear structure of structure.

Further, a grinding device for getting rid of sharp limit in barrel mouth of pipe drill way, wherein drive gear is equipped with threely at least, in the upper end of connecting axle was fixed in the casing, its lower extreme was fixed in down in the casing, it is the vertical state to set up between drive gear and the connecting axle, drive gear can center on under the exogenic action the connecting axle rotates.

Further, a grinding device for getting rid of sharp limit in barrel mouthpiece drill way, wherein the tool bit setting is big-end-up's umbrella-shaped structure to the side at the tool bit is equipped with a plurality of evenly distributed's cutting edge, the tool bit is connected for dismantling the mode with the connecting rod.

Adopt a grinding device for getting rid of sharp limit in barrel mouthpiece, owing to be equipped with unit, drive unit and the drive unit of polishing, link to each other through drive unit and outside power device and come to provide power, utilize the drive unit to drive the unit synchronous motion of polishing, can realize polishing the processing through polishing the unit to the sharp limit in the barrel mouthpiece at last. Meanwhile, the sizes and the assembling quantity of related components of the grinding unit, the transmission unit and the driving unit in the grinding device are changed, so that the grinding device is suitable for removing and grinding sharp edges of inner orifices of various different cylinder pipe nozzle workpieces, can be widely applied to the processing field of removing sharp edges of inner orifices of pipe nozzles of cylinders with pipe nozzles, such as oil cylinders, actuators and the like, and is simple in use method, quick and convenient to assemble and disassemble and easy to master and operate. Grinding device, can satisfy the sharp limit burnishing and polishing's in the barrel mouthpiece of different pipe diameters demand, not only can improve the operating condition, still greatly improve the qualification rate of product, guarantee the machining precision and the quality of product, have simple structure, convenient to use can alleviate operating personnel's intensity of labour greatly, reduces the cost of labor, simple swift polishes, improves advantages such as work efficiency, can extensively be applied to the burnishing and polishing demand on the sharp limit in the barrel mouthpiece, be fit for popularizing and applying.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view in the use state of the present invention.

Shown in the figure: 1-upper shell, 2-lower shell, 3-screw, 4-grinding unit, 41-tool bit, 42-connecting rod, 43-driven gear, 5-transmission unit, 51-transmission gear, 52-connecting shaft, 6-driving unit, 61-driving gear and 62-clamping handle.

Detailed Description

To further illustrate the concept of the present invention, the following embodiments of the present invention will be further described with reference to the accompanying drawings:

as shown in figure 1, the utility model relates to a polishing device for removing sharp edges of an orifice in a tube nozzle of a cylinder, which comprises an upper shell 1, a lower shell 2, a screw 3, a polishing unit 4, a transmission unit 5 and a driving unit 6, the upper shell 1 and the lower shell 2 are both arranged in a strip structure, the upper shell 1 and the lower shell 2 are connected through a screw 3, a groove cavity is arranged in the lower shell 2, the transmission unit 5 is arranged in the groove cavity in the lower shell 2, the driving unit 6 penetrates through the upper shell 1 to be in contact connection with one end of the transmission unit 5, the grinding unit 4 penetrates through the upper shell 1 to be in contact connection with the other end of the transmission unit 5, the transmission unit 5 provides power through the driving unit 6, drives the polishing unit 4 to move synchronously, and polishes sharp edges of an inner orifice of the tube mouth of the barrel through the polishing unit 4.

Further, the utility model discloses a grinding device for getting rid of barrel mouth inner orifice sharp edge, wherein grinding unit 4 comprises tool bit 41, connecting rod 42 and driven gear 43, drive unit 5 comprises a plurality of drive gear 51 and the connecting axle 52 that is used for fixed drive gear 51 that mesh each other, drive unit 6 comprises driving gear 61 and clamping handle 62 who is fixed in driving gear 61; the driven gear 43 is arranged in a groove cavity in the lower shell 2 and is meshed with a transmission gear 51 at the rear end of the transmission unit 5, the lower end of the connecting rod 42 penetrates through the upper shell 1 and is fixedly connected with the driven gear 43, the cutter head 41 is arranged at the upper end of the connecting rod 42 and is positioned above the upper shell 1, the driving gear 61 is arranged in the groove cavity in the lower shell 2 and is meshed with a transmission gear 51 at the front end of the transmission unit 5, the lower end of the clamping handle 62 is fixedly connected with the driving gear 61, and the upper end of the clamping handle penetrates through the upper shell 1 and is positioned outside the upper shell 1; is connected with an external power device through the clamping handle 62 and is used for providing power for the driving gear 61, and the driving gear 61 drives the transmission gear 51 and the driven gear 43 to synchronously move.

Further, a grinding device for getting rid of barrel mouth inner orifice sharp edge, wherein driven gear 43, drive gear 51 and driving gear 61 are the same structure's interior hexagonal straight gear structure.

Further, a grinding device for getting rid of barrel mouth of pipe inner bore sharp edge, wherein drive gear 51 is equipped with threely at least, the upper end of connecting axle 52 is fixed in last casing 1, and its lower extreme is fixed in casing 2 down, it is vertical state to set up between drive gear 51 and the connecting axle 52, drive gear 51 can center on under the exogenic action connecting axle 52 rotates.

Further, a grinding device for getting rid of barrel mouth inner orifice sharp edge, wherein tool bit 41 sets up to be big-end-up's umbrella-shaped structure to the side at tool bit 41 is equipped with a plurality of evenly distributed's cutting edge, tool bit 41 is connected for dismantling the mode with connecting rod 42.

As shown in FIG. 2, in the practical application process, the utility model discloses a grinding device for getting rid of barrel mouthpiece inner orifice sharp edge, concrete operation method is: will be with grinding device stretches into from the macropore end of barrel to make the tool bit 41 of polishing in the unit 4 aim at mouthpiece hole department, then be connected the centre gripping handle 62 in the drive unit 6 with outside power device, under the drive of outside power, drive gear 51 that drives in the drive unit 5 through driving gear 61 in the drive unit 6 is together rotatory, and then drive driven gear 43 synchronous revolution in the unit 4 of polishing through drive gear 51, under driven gear 43's effect, and drive tool bit 41 together rotatory by connecting rod 42, polish to the sharp limit in the barrel mouth of a river mouth through tool bit 41 at last, thereby realize getting rid of the sharp limit polishing treatment in the barrel mouth of a river mouth. In addition, the sizes and the assembly quantity of related components of the grinding unit 4, the transmission unit 5 and the driving unit 6 in the grinding device are changed, so that the sharp edges of the inner orifices of various different cylinder pipe nozzle workpieces can be removed and ground, the grinding device can be widely applied to the processing field of removing the sharp edges of the inner orifices of the pipe nozzles of cylinders with the pipe nozzles, such as oil cylinders, actuators and the like, and is simple in use method, quick and convenient to assemble and disassemble and easy to master and operate.

To sum up, adopt grinding device, can satisfy the demand of the sharp limit burnishing and polishing in the drill way in the barrel mouthpiece of different pipe diameters, not only can improve the operating condition, can also greatly improve the qualification rate of product, guarantee the machining precision and the quality of product, have simple structure, convenient to use can alleviate operating personnel's intensity of labour greatly, reduce the cost of labor, simple and fast polishes, improve advantages such as work efficiency, can extensively be applied to the burnishing and polishing demand of the sharp limit in the drill way in the barrel mouthpiece, be fit for popularizing and applying.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and changes, and any modifications, equivalent replacements, improvements, etc. made by using the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a grinding device for getting rid of barrel mouth of pipe inner orifice sharp edge which characterized in that: comprises an upper shell (1), a lower shell (2), a screw (3), a polishing unit (4), a transmission unit (5) and a driving unit (6), the upper shell (1) and the lower shell (2) are both arranged in a strip structure, the upper shell (1) and the lower shell (2) are connected through a screw (3), a groove cavity is arranged in the lower shell (2), the transmission unit (5) is arranged in the groove cavity in the lower shell (2), the driving unit (6) penetrates through the upper shell (1) to be in contact connection with one end of the transmission unit (5), the grinding unit (4) penetrates through the upper shell (1) and is connected with the other end of the transmission unit (5) in a contact way, the transmission unit (5) provides power through the driving unit (6) to drive the polishing unit (4) to move synchronously, the sharp edge of the inner orifice of the tube nozzle of the cylinder body is polished through the polishing unit (4).

2. A grinding device for removing sharp edges from an orifice in a cartridge nozzle as defined in claim 1, wherein: the polishing unit (4) consists of a tool bit (41), a connecting rod (42) and a driven gear (43), the transmission unit (5) consists of a plurality of transmission gears (51) which are meshed with each other and a connecting shaft (52) used for fixing the transmission gears (51), and the driving unit (6) consists of a driving gear (61) and a clamping handle (62) fixed in the driving gear (61); the driven gear (43) is arranged in a groove cavity in the lower shell (2) and is meshed with a transmission gear (51) at the rear end of the transmission unit (5), the lower end of the connecting rod (42) penetrates through the upper shell (1) and is fixedly connected with the driven gear (43), the tool bit (41) is arranged at the upper end of the connecting rod (42) and is positioned above the upper shell (1), the driving gear (61) is arranged in the groove cavity in the lower shell (2) and is meshed with a transmission gear (51) at the front end of the transmission unit (5), the lower end of the clamping handle (62) is fixedly connected with the driving gear (61), and the upper end of the clamping handle penetrates through the upper shell (1) and is positioned outside the upper shell (1); the clamping handle (62) is connected with an external power device and used for providing power for the driving gear (61), and the driving gear (61) drives the transmission gear (51) and the driven gear (43) to synchronously move.

3. A grinding device for removing sharp edges from an orifice in a cartridge nozzle as defined in claim 2, wherein: the driven gear (43), the transmission gear (51) and the driving gear (61) are all of inner hexagonal straight gear structures with the same structure.

4. A grinding device for removing sharp edges from an orifice in a cartridge nozzle as defined in claim 2, wherein: the number of the transmission gears (51) is at least three, the upper end of the connecting shaft (52) is fixed in the upper shell (1), the lower end of the connecting shaft is fixed in the lower shell (2), the transmission gears (51) and the connecting shaft (52) are arranged in a vertical state, and the transmission gears (51) can rotate around the connecting shaft (52) under the action of external force.

5. A grinding device for removing sharp edges from an orifice in a cartridge nozzle as defined in claim 2, wherein: the cutter head (41) is provided with an umbrella-shaped structure with a small upper part and a large lower part, a plurality of uniformly distributed cutting edges are arranged on the side surface of the cutter head (41), and the cutter head (41) is detachably connected with the connecting rod (42).