CN212192714U

CN212192714U - Grinding device is used in accurate spare part design processing of aircraft

Info

Publication number: CN212192714U
Application number: CN202020394625.1U
Authority: CN
Inventors: 徐宏海
Original assignee: Shenzhen Weibotong Technology Co ltd
Current assignee: Shenzhen Weibotong Technology Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-12-22
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a grinding device is used in accurate spare part design processing of aircraft, including frame body and support, frame body top surface both ends are fixed with the support, the support middle part is embedded to have the quick change subassembly, be provided with the driven shaft between the quick change subassembly, be fixed with emery wheel and driven gear on the driven shaft, the meshing of driven gear outer fringe has the driving gear, the driving gear passes through the parallel key and fixes on driving motor. Has the advantages that: the utility model discloses a spout clearance fit in driven shaft and the sliding sleeve realizes that the driven shaft drives the emery wheel rotation and polishes aircraft parts under the restraint guide of sliding sleeve, changes the emery wheel and only needs the sliding sleeve sideslip that stimulates the connecting rod tip to make the driven shaft deviate from and can take off the emery wheel of changing different granularities, and the change mode is quick simple, is favorable to the frequent dismouting of emery wheel to be changed, has promoted the machining efficiency of polishing of aircraft parts.

Description

Grinding device is used in accurate spare part design processing of aircraft

Technical Field

The utility model relates to an accurate spare part of aircraft designing and processing auxiliary device field, concretely relates to accurate spare part of aircraft is grinding device for designing and processing.

Background

Aircraft manufacturing refers to the process of manufacturing an aircraft as designed. Generally, the aircraft manufacturing only refers to the manufacturing of parts of an aircraft body, the assembly of parts, the assembly of a complete machine and the like, and the aircraft body manufacturing needs to be carried out through processes of preparation of processes, manufacturing of process equipment, preparation of blanks, machining of parts, assembly and detection. Because the requirement on precision is extremely high in airplane manufacturing, the characteristics of the airplane manufacturing from part machining to assembly are different from those of common machine manufacturing, and the design machining of the precise parts of the airplane often needs to be carried out for grinding for many times.

The applicant finds that at least the following technical problems exist in the prior art: because the grinding precision of different machined surfaces of the aircraft parts is different, the grinding wheels with different granularities need to be replaced by the grinding device, but the grinding device is difficult to disassemble and assemble when the grinding wheels with different granularities are replaced, the frequent disassembly and replacement of the grinding wheels are influenced, and the grinding machining efficiency of the aircraft parts is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a grinding device is used in the design and processing of the accurate spare part of aircraft just in order to solve above-mentioned problem to solve among the prior art grinding device dismouting difficulty when changing the emery wheel of different granularities, influenced the frequent technical problem such as changing of tearing open of emery wheel. The utility model provides an among a great deal of technical scheme preferred technical scheme have: the grinding wheel can be replaced by only pulling the sliding sleeve at the end of the connecting rod to move transversely so that the driven shaft is separated, the grinding wheels with different particle sizes can be taken down and replaced, the replacement mode is quick and simple, the technical effects of frequent disassembly, assembly, replacement and the like of the grinding wheels are facilitated, and the details are explained below.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a grinding device for design and processing of precise parts of an airplane, which comprises a frame body and a support, wherein the support is fixed at two ends of the top surface of the frame body, a quick-change component is embedded in the middle of the support, a driven shaft is arranged between the quick-change components, a grinding wheel and a driven gear are fixed on the driven shaft, a driving gear is meshed at the outer edge of the driven gear, and the driving gear is fixed on a driving motor through a flat key;

the quick change component comprises a connecting rod and a protective shell, wherein one end of the connecting rod, which is far away from the grinding wheel, is fixed with a pull ring, the other end of the connecting rod is provided with a sliding sleeve, a sliding groove is formed in the sliding sleeve, the sliding groove is in clearance fit with the driven shaft, a mounting groove is formed in the middle of the connecting rod, a pressure spring is arranged in the mounting groove, wheel carriers are fixed at two ends of the pressure spring through clamping hooks, rollers are arranged at the outer ends of the wheel carriers, the protective shell is nested in the support, a plurality of convex blocks are arranged on the upper inner wall and the lower inner wall of the.

When the grinding device for designing and processing the precise parts of the airplane is used, the driving motor is controlled to work, the driving gear drives the driven gear to be in meshing transmission, the driven shaft rotates under the guide of the sliding groove to drive the grinding wheel to circulate, the grinding wheel can realize grinding of the parts of the airplane through self circulation, when the grinding wheels with different particle sizes need to be replaced to obtain different grinding precisions in the grinding process, one of the pull rings is held by a hand to pull the connecting rod to drive the sliding sleeve to move transversely in the direction away from the grinding wheel, the sliding groove in the sliding sleeve is in clearance fit with the driven shaft and is coated with lubricating grease, the driven shaft can be smoothly removed from the sliding sleeve through self transverse movement to remove restraint, then the driven shaft is taken down to replace the proper grinding wheel, and the driven shaft is firstly placed in one of the sliding grooves after replacement is completed, the connecting rod drives the sliding sleeve to be close to the driven shaft through pulling of the other pull ring, the transverse movement is stopped until the driven shaft abuts against the bottom of the sliding groove, the connecting rod drives the roller at the end part of the wheel carrier to roll at the edge of the lug, when the roller rolls over the highest point of the lug, the compression stroke of the pressure spring releasing self is used for clamping the roller into the lug, so that the connecting rod can be prevented from naturally transversely moving through self-locking of the gap between the lugs when the transverse movement is finished, the quick disassembly and replacement of the grinding wheel are completed, and the frequent replacement of the grinding wheel is facilitated.

Preferably, the bracket and the base body are fixed by screws or welding.

Preferably, the grinding wheel is made of super-hard grinding materials, and the driven gear is a cylindrical gear.

Preferably, the transmission ratio of the driving gear to the driven gear is 1: 1, the insulation grade of the driving motor is grade G.

Preferably, the groove depth of the sliding groove is not less than two thirds of the profile height of the sliding sleeve, and lubricating grease is coated in the sliding groove.

Preferably, the mounting groove is a through groove, the mounting groove is in clearance fit with the pressure spring, and the compression stroke of the pressure spring is not less than the profile height of the bump.

Preferably, the rollers exist in pairs, and the rollers are movably riveted with the wheel frame through pin shafts.

Has the advantages that: the utility model discloses a spout clearance fit in driven shaft and the sliding sleeve realizes that the driven shaft drives the emery wheel rotation and polishes aircraft parts under the restraint guide of sliding sleeve, changes the emery wheel and only needs the sliding sleeve sideslip that stimulates the connecting rod tip to make the driven shaft deviate from and can take off the emery wheel of changing different granularities, and the change mode is quick simple, is favorable to the frequent dismouting of emery wheel to be changed, has promoted the machining efficiency of polishing of aircraft parts.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front external view of the present invention;

fig. 2 is a front internal view of the present invention;

fig. 3 is a partial enlarged view of the quick-change assembly of the present invention.

The reference numerals are explained below:

1. a machine base body; 101. a support; 102. a grinding wheel; 103. a driven gear; 104. a driven shaft; 105. a driving gear; 106. a drive motor; 2. a quick-change component; 201. a sliding sleeve; 202. a pull ring; 203. a connecting rod; 204. a protective shell; 205. a bump; 206. a roller; 207. a wheel carrier; 208. mounting grooves; 209. a pressure spring; 2010. a chute.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a grinding device for designing and processing precise parts of an airplane, which comprises a base body 1 and a support 101, wherein the supports 101 are fixed at two ends of the top surface of the base body 1, a quick-change component 2 is embedded in the middle of the support 101, a driven shaft 104 is arranged between the quick-change components 2, a grinding wheel 102 and a driven gear 103 are fixed on the driven shaft 104, a driving gear 105 is meshed at the outer edge of the driven gear 103, and the driving gear 105 is fixed on a driving motor 106 through a flat key;

the quick-change assembly 2 comprises a connecting rod 203 and a protective shell 204, one end, away from the grinding wheel 102, of the connecting rod 203 is fixedly provided with a pull ring 202, the other end of the connecting rod 203 is provided with a sliding sleeve 201, a sliding groove 2010 is formed in the sliding sleeve 201, the sliding groove 2010 is in clearance fit with the driven shaft 104, a mounting groove 208 is formed in the middle of the connecting rod 203, a pressure spring 209 is arranged in the mounting groove 208, two ends of the pressure spring 209 are fixedly provided with a wheel carrier 207 through a clamping hook, the outer end of the wheel carrier 207 is provided with a roller 206, the protective shell 204 is nested in the support 101, the upper inner wall and.

Preferably, the bracket 101 and the base body 1 are fixed by screws or welding, so that the whole grinding process is stably supported by the bracket 101.

The material of emery wheel 102 is superabrasive, so sets up, is convenient for keep emery wheel 102 to have stable working life, and driven gear 103 is cylindrical gear, so sets up, is convenient for keep gear drive's stationarity.

The transmission ratio of the driving gear 105 to the driven gear 103 is 1: 1, so set up, be convenient for keep gear drive's stationarity, the insulation level of driving motor 106 is G level, so set up, is convenient for keep driving motor 106 to have stable operating condition.

The groove depth of the sliding groove 2010 is not less than two thirds of the profile height of the sliding sleeve 201, lubricating grease is coated in the sliding groove 2010, and the driven shaft 104 can freely rotate under the guide constraint of the sliding groove 2010 conveniently.

The mounting groove 208 is a through groove, the mounting groove 208 is in clearance fit with the pressure spring 209, so that the pressure spring 209 can freely extend and retract in the mounting groove 208, the compression stroke of the pressure spring 209 is not less than the profile height of the bump 205, and the roller 206 can pass through the highest point of the bump 205 conveniently.

The rollers 206 are arranged in pairs, and the rollers 206 are movably riveted with the wheel frame 207 through pin shafts, so that the rollers 206 can freely roll on the edge of the wheel frame 207.

By adopting the structure, when in use, the driving motor 106 is controlled to work and drive the driven gear 103 to be meshed and driven through the driving gear 105, the driven shaft 104 rotates under the guide of the sliding groove 2010 to drive the grinding wheel 102 to rotate, the grinding wheel 102 can grind the airplane parts through self-circulation, when the grinding wheels 102 with different granularities need to be replaced to obtain different grinding precisions, one of the pull rings 202 is held by hand to pull the connecting rod 203 to drive the sliding sleeve 201 to move transversely in the direction far away from the grinding wheel 102, the sliding groove 2010 in the sliding sleeve 201 is in clearance fit with the driven shaft 104 and is coated with lubricating grease, the driven shaft 104 can be smoothly pulled out through self-transverse movement to remove restraint, the driven shaft 104 is taken down to replace the proper grinding wheel 102, after replacement, the driven shaft 104 is firstly placed in one of the sliding grooves 2010, then the connecting rod 203 is pulled, the transverse movement is stopped until the driven shaft 104 abuts against the groove bottom of the sliding groove 2010, the connecting rod 203 drives the roller 206 at the end part of the wheel frame 207 to roll on the edge of the lug 205 in the transverse movement process, when the roller 206 rolls over the highest point of the lug 205, the compression spring 209 releases the compression stroke of the compression spring to clamp the roller 206 between the lugs 205, and therefore the connecting rod 203 can be prevented from naturally transverse movement through self-locking of the gap between the lugs 205 clamped by the roller 206 when the transverse movement is finished, the quick disassembly and replacement of the grinding wheel 102 are finished, and the frequent replacement of the grinding wheel 102 is facilitated.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a grinding device is used in accurate spare part design processing of aircraft, includes frame body (1) and support (101), its characterized in that: the grinding machine base is characterized in that supports (101) are fixed at two ends of the top surface of the machine base body (1), quick-change assemblies (2) are embedded in the middle of the supports (101), driven shafts (104) are arranged between the quick-change assemblies (2), grinding wheels (102) and driven gears (103) are fixed on the driven shafts (104), driving gears (105) are meshed with the outer edges of the driven gears (103), and the driving gears (105) are fixed on driving motors (106) through flat keys;

the quick-change assembly (2) comprises a connecting rod (203) and a protective shell (204), a pull ring (202) is fixed at one end of the connecting rod (203) far away from the grinding wheel (102), the other end of the connecting rod (203) is provided with a sliding sleeve (201), a sliding groove (2010) is arranged in the sliding sleeve (201), the sliding groove (2010) is in clearance fit with the driven shaft (104), a mounting groove (208) is formed in the middle of the connecting rod (203), a pressure spring (209) is arranged in the mounting groove (208), a wheel carrier (207) is fixed at two ends of the pressure spring (209) through clamping hooks, the outer end of the wheel frame (207) is provided with a roller (206), the protective shell (204) is nested in the bracket (101), a plurality of lugs (205) are arranged on the upper inner wall and the lower inner wall of the protective shell (204), the lugs (205) are uniformly distributed, the clearance between the bumps (205) is not smaller than the radius of the roller (206).

2. The grinding device for designing and processing the precise parts of the airplane as claimed in claim 1, wherein: the support (101) and the machine base body (1) are fixed through screws or welded.

3. The grinding device for designing and processing the precise parts of the airplane as claimed in claim 1, wherein: the grinding wheel (102) is made of super-hard abrasive, and the driven gear (103) is a cylindrical gear.

4. The grinding device for designing and processing the precise parts of the airplane as claimed in claim 1, wherein: the transmission ratio of the driving gear (105) to the driven gear (103) is 1: 1, the insulation grade of the driving motor (106) is grade G.

5. The grinding device for designing and processing the precise parts of the airplane as claimed in claim 1, wherein: the groove depth of the sliding groove (2010) is not less than two thirds of the profile height of the sliding sleeve (201), and lubricating grease is coated in the sliding groove (2010).

6. The grinding device for designing and processing the precise parts of the airplane as claimed in claim 1, wherein: the mounting groove (208) is a through groove, the mounting groove (208) is in clearance fit with the pressure spring (209), and the compression stroke of the pressure spring (209) is not less than the profile height of the bump (205).

7. The grinding device for designing and processing the precise parts of the airplane as claimed in claim 1, wherein: the rollers (206) exist in pairs, and the rollers (206) are movably riveted with the wheel frame (207) through pin shafts.