CN216441137U

CN216441137U - Automatic aircraft titanium alloy bolt selector

Info

Publication number: CN216441137U
Application number: CN202122981894.5U
Authority: CN
Inventors: 林文峰
Original assignee: Ruian Lintai Hardware Products Co ltd
Current assignee: Ruian Lintai Hardware Products Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-06
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses an automatic selecting machine for titanium alloy bolts of an airplane, and relates to the technical field of aviation spare and accessory part checking equipment. This equipment is twisted to screw thread groove through setting up wholesale head and is put the bolt, can utilize long quality of judging the bolt when sheltering from of the bolt bottom that hall sensor was accepted and is loaded the experiment, the check-up to the bolt quality accords with the in-service use operating mode of bolt more, it is more accurate to the check-up of bolt quality, lug through the left and right sides normal running fit both sides of revolving stage, carry out the propelling movement to the material guide slot that connects of difference respectively with yields bolt and defective products bolt and pop out, realize the quick selection operation of bolt, its operating efficiency is high, degree of automation is good, the big quick operation in batches of suitable production line.

Description

Automatic aircraft titanium alloy bolt selector

Technical Field

The utility model relates to the technical field of aviation spare and accessory part checking equipment, in particular to an automatic selecting machine for titanium alloy bolts of an airplane.

Background

The forming quality of the thread guide groove on the surface of the bolt directly influences the assembly and the manufacturing cost of the assembled product. When the thread guide groove is poor, a bolt is screwed into the inner side of the equipment, mechanical abrasion is generated between the bolt thread and the hole of the assembled material, the abrasion easily changes the shape of the hole of the assembled material and is difficult to reverse, and then the material is damaged. Especially for aviation precision equipment such as airplanes, small bolts may result in costly material being scrapped in its entirety.

The existing machine inspection and selection process for the bolts is simple and crude, and the detection operation for bolt thread forming is not suitable for working condition actual use.

Though the manual work replaces the machine inspection, the defects of the existing machine inspection operation can be overcome, the time and the labor are wasted, and the manual machine inspection method is not suitable for the requirement of detecting bolts in large quantities.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic selecting machine for titanium alloy bolts of airplanes, and aims to solve the problems that in the background technology, the bolt production detection process is low in accuracy, not suitable for working conditions, low in automation degree and low in detection efficiency.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the top of the base is provided with a bedplate, a vertical rail is fixedly arranged at the top of the bedplate, a blanking electric cylinder is fixedly arranged at the top of the vertical rail, the blanking electric cylinder is perpendicular to the top surface of the base and is in threaded connection with a support plate at the bottom end of a rod body of the blanking electric cylinder, the side surface of the support plate is in sliding fit connection with the vertical rail, a batch head is fixedly arranged at the bottom of the support plate, a rotary table is arranged below the batch head and is rotatably connected to the top side of the bedplate, a forward and reverse motor is fixedly connected to the bottom surface of the rotary table, a shell of the forward and reverse motor is fixedly connected to the bottom side of the bedplate, a checking mechanism is arranged on the surface of the rotary table, and a discharging mechanism is arranged on the top side of the bedplate and below the rotary table.

The checking mechanism comprises a gap portion, the gap portion is arranged in an annular array mode by taking a rotating shaft of the rotary table as a circle center, the gap portion penetrates through the top surface, the bottom surface and the outer circumferential curved surface of the rotary table, a thread groove is arranged at the position, close to the circle center of the rotary table, of the inner surface of the gap portion, and the thread groove is only distributed on a half cylindrical curved surface formed by longitudinal cutting.

The checking mechanism further comprises a ring plate, the ring plate is fixedly arranged on the surface of the bedplate, the axis of the ring plate is collinear with the axis of the rotary table, a Hall sensor is arranged on the annular surface of the ring plate, the Hall sensor is in penetrating connection with the bedplate, and the Hall sensor is arranged below the batch head and is vertically opposite to one gap part.

The discharging mechanism comprises a convex block, the convex block is of a cuspid tetrahedral structure, and the top surface of the convex block is an inclined half-moon cuspid curved surface.

The number of the convex blocks is a pair, the horizontal shafts of the two convex blocks are symmetrically arranged on the surface of the ring plate, and the two convex blocks are respectively arranged on the left side and the right side of the Hall sensor.

The discharging mechanism further comprises two material receiving guide grooves, the two material receiving guide grooves are arranged on the surface of the bedplate in a bilateral symmetry mode, and each material receiving guide groove corresponds to one notch portion.

Optionally, the inner side of the vertical rail is connected with a T-shaped block in a sliding fit manner, and the T-shaped block is fixedly connected with the side surface of the carrier plate.

Optionally, a reversing switch is arranged on the surface side of the screwdriver head, and a bolt assembling head is arranged on a rotating rod at the bottom of the screwdriver head.

Optionally, a circular groove is formed in the bottom circular surface of the rotary table, and the protruding block is arranged on the inner side of the circular groove.

Optionally, the number of the notch portions is four, and the opening of the notch portion opposite to the lower side of the batch head faces the maintenance position arranged on the table board.

Optionally, the hall sensor is a proximity sensor, and a columnar sensing head of the hall sensor is arranged below the top surface of the annular plate.

The utility model has the technical effects and advantages that:

1. this equipment is twisted to the screw thread groove through setting up the batch head and is put the bolt, can utilize long quality of judging the bolt when sheltering from of the bolt bottom that the hall sensor was accepted and is loaded the experiment, accords with the in-service use operating mode of bolt more to the check-up of bolt quality, and is more accurate to the check-up of bolt quality.

2. This equipment is through the lug of the left and right sides normal running fit both sides of revolving stage, carries out the propelling movement with non-defective products bolt and defective products bolt respectively to the difference and connects the material guide slot and pop out, realizes the quick selection operation of bolt, and its operating efficiency is high, and degree of automation is good, the big quick operation in batches of suitable production line.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a rear view of the structure of the present invention;

FIG. 3 is a schematic view of the positional relationship of the checking mechanism and the discharging mechanism of the present invention;

FIG. 4 is a schematic view of the notch and thread groove of the present invention;

FIG. 5 is a schematic diagram of the position relationship between the bump and the Hall sensor according to the present invention;

fig. 6 is a schematic structural diagram of a bump according to the present invention.

In the figure: 1. a base; 2. a platen; 3. a vertical rail; 4. blanking an electric cylinder; 5. a carrier plate; 6. a batch head; 7. a turntable; 8. a positive and negative rotation motor; 9. a verification mechanism; 901. a notch portion; 902. a thread groove; 903. a ring plate; 904. a Hall sensor; 10. a discharge mechanism; 1001. a bump; 1002. connect the material guide slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The utility model provides an automatic selecting machine for titanium alloy bolts of an airplane as shown in figures 1-6, which comprises a base 1, wherein a bedplate 2 is erected at the top of the base 1, a vertical rail 3 is fixedly arranged at the top of the bedplate 2, a blanking electric cylinder 4 is fixedly arranged at the top of the vertical rail 3, the blanking electric cylinder 4 is arranged vertical to the top surface of the base 1, the bottom end of a rod body of the blanking electric cylinder 4 is in threaded connection with a support plate 5, the side surface of the support plate 5 is in sliding fit connection with the vertical rail 3, the inner side of the vertical rail 3 is in sliding fit connection with a T-shaped block, the T-shaped block is fixedly connected with the side surface of the support plate 5, the T-shaped block and the vertical rail 3 are utilized to restrict the moving directions of the support plate 5 and a batch head 6, and the loading and unloading actions of the bolts to a rotary table 7 along with the batch head 6 are realized. The fixed batch head 6 that is provided with in bottom of support plate 5, the table side of batch head 6 is provided with reversing switch, and the bottom bull stick of batch head 6 is provided with the bolt assembly head, can change the turning to of batch head 6 through reversing switch, loads the screw in to screw thread groove 902 with the bolt when batch head 6 corotation, revolves the bolt out from screw thread groove 902 when batch head 6 reverses. A rotary table 7 is arranged below the screwdriver head 6, the rotary table 7 is rotatably connected to the top side of the bedplate 2, a forward and reverse rotating motor 8 is fixedly connected to the bottom surface of the rotary table 7, a shell of the forward and reverse rotating motor 8 is fixedly connected to the bottom side of the bedplate 2, a checking mechanism 9 is arranged on the surface of the rotary table 7, a discharging mechanism 10 is arranged on the top side of the bedplate 2, and the discharging mechanism 10 is arranged below the rotary table 7.

The verification mechanism 9 includes notch portions 901, the notch portions 901 are arranged in an annular array with the rotating shaft of the turntable 7 as the center of a circle, the notch portions 901 penetrate through the top surface, the bottom surface and the outer circumferential curved surface of the turntable 7, the number of the notch portions 901 is four, the opening of the notch portion 901 on the opposite side to the lower side of the batch head 6 faces a maintenance position arranged on the table top, a thread groove 902 is arranged on the inner surface of the notch portion 901 near the center of the circle of the turntable 7, and the thread groove 902 is only distributed on a half cylindrical curved surface formed by longitudinal cutting.

The checking mechanism 9 further comprises a ring plate 903, the ring plate 903 is fixedly arranged on the surface of the bedplate 2, the shaft lines of the ring plate 903 and the turntable 7 are collinear, a hall sensor 904 is arranged on the annular surface of the ring plate 903, the hall sensor 904 is in through connection with the bedplate 2, the hall sensor 904 is arranged below the screwdriver head 6 and is vertically opposite to one of the gap portions 901, the hall sensor 904 is a proximity sensor, and a columnar sensing head of the hall sensor 904 is arranged below the top surface of the ring plate 903. Criticize 6 to twisting of screw thread groove 902 through setting up and put the bolt, can utilize hall sensor 904 to be accepted and to judge the quality of bolt when sheltering from of the bolt bottom of loading the experiment, accord with the in-service use operating mode of bolt more to the check-up of bolt quality, more accurate to the check-up of bolt quality.

The discharging mechanism 10 comprises a projection 1001, the projection 1001 is of a cuspid tetrahedral structure, the top surface of the projection 1001 is an inclined half-moon-tooth curved surface, a circular groove is formed in the bottom circular surface of the rotary table 7, and the projection 1001 is arranged on the inner side of the circular groove.

The number of the bumps 1001 is a pair, two bumps 1001 are disposed horizontally symmetrically on the surface of the ring plate 903, and the two bumps 1001 are disposed on the left and right sides of the hall sensor 904, respectively.

The discharging mechanism 10 further includes two receiving guide slots 1002, the number of the receiving guide slots 1002 is two, the two receiving guide slots 1002 are symmetrically arranged on the surface of the bedplate 2, and each receiving guide slot 1002 corresponds to one notch 901. Through the left and right rotation of revolving stage 7 and the lug 1001 of cooperation both sides, carry out the propelling movement to different material receiving guide slot 1002 with yields bolt and defective products bolt respectively and pop out, realize the quick selection operation of bolt, its operating efficiency is high, and degree of automation is good, the big batch rapid operation of suitable production line.

This practical theory of operation: when the automatic aircraft titanium alloy bolt selecting machine is used, a bolt to be detected is assembled to the screwdriver head 6, the blanking electric cylinder 4 extends to push the bolt to move downwards and contact the threaded screw groove 902 below, the screwdriver head 6 rotates to enable the bolt to be screwed into the threaded screw groove 902, the screwdriver head 6 rotates backwards, and then the bolt is screwed out of the threaded screw groove 902.

In the process of screwing in and out the bolt to the thread groove 902, the induction head at the top of the hall sensor 904 is subjected to three states of 'no shielding before the bolt is screwed in', 'shielding by the bottom surface of the bolt after the bolt is screwed in', 'no shielding again after the bolt is screwed out', and generates a switching value signal. The screw-in and screw-out time of the screwdriver bit 6 is recorded, the length of time that the Hall sensor 904 is shielded is recorded, and the quality of the bolt can be judged, and the specific judgment rule is as follows:

1. and (3) recording the judgment standard according to the standard bolt detection operation time, wherein the recording time is T1 from the time of 'the forward rotation of the batch head 6' to the time of 'the screwing-in of the standard bolt is completed, the signal of the Hall sensor 904 is changed from 0 to 1', the recording time is T2 from the time of 'the reverse rotation of the batch head 6' to the time of 'the screwing-out of the standard bolt is completed, and the signal of the Hall sensor 904 is changed from 1 to 0'.

2. If the thread groove on the surface of the bolt is poor, two states of 'the bolt is difficult to screw in' and 'the bolt is difficult to screw out' appear.

3. When the bolt is difficult to be screwed in, the time period T1 for changing the signal of the Hall sensor 904 from 0 to 1 is longer than T1, and the bolt is judged to be in poor forming, and the bolt thread is deformed or the outer diameter of the thread is too large.

4. When the time period T2 during which the hall sensor 904 signal changes from 1 to 0 is longer than T2, it is determined that the bolt is not molded properly, and the bolt thread is deformed or the outer diameter of the thread is too large.

5. T1 or T2 of 0.4 to 0.7 times can be set as a criterion for determining that the outer diameter of the bolt thread is too small.

6. All the t1 and t2 within a reasonable time range can judge the bolt is good.

When the bolt is determined to be poorly formed, the rotary table 7 is rotated to the left, and the bolt is jacked up by the curved surface of the bottom bump 1001 along with the rotary table 7, so that the bolt generates synchronous action of being separated from the circle center and being lifted relative to the rotary table 7, the bolt is popped up from the threaded groove 902, and falls into the material receiving guide groove 1002 on the left side.

When the bolts are judged to be good products, the rotary table 7 is rotated to the right, the bolts are jacked up by the curved surface of the bottom bump 1001 along with the rotary table 7, the bolts are popped out from the thread groove 902, and the bolts fall into the material receiving guide groove 1002 on the right side.

And further realize the automated inspection and the selection process of bolt.

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic selecting machine for titanium alloy bolts of airplanes comprises a base (1), wherein a bedplate (2) is erected at the top of the base (1), a vertical rail (3) is fixedly arranged at the top of the bedplate (2), a blanking electric cylinder (4) is fixedly arranged at the top of the vertical rail (3), the blanking electric cylinder (4) is perpendicular to the top surface of the base (1), a support plate (5) is in threaded connection with the bottom end of a rod body of the blanking electric cylinder (4), the side surface of the support plate (5) is in sliding fit connection with the vertical rail (3), a batch head (6) is fixedly arranged at the bottom of the support plate (5), a rotary table (7) is arranged below the batch head (6), the rotary table (7) is rotatably connected to the top side of the bedplate (2), a forward and reverse rotating motor (8) is fixedly connected to the bottom surface of the rotary table (7), and a casing of the forward and reverse rotating motor (8) is fixedly connected to the bottom side of the bedplate (2), the method is characterized in that: the surface of the rotary table (7) is provided with a checking mechanism (9), the top side of the bedplate (2) is provided with a discharging mechanism (10), and the discharging mechanism (10) is arranged below the rotary table (7);

the checking mechanism (9) comprises a gap part (901), the gap part (901) is arranged in an annular array by taking a rotating shaft of the rotary table (7) as a circle center, the gap part (901) penetrates through the top surface, the bottom surface and the outer circumferential curved surface of the rotary table (7), a thread groove (902) is arranged on the inner surface of the gap part (901) close to the circle center of the rotary table (7), and the thread groove (902) is only distributed on a half cylindrical curved surface formed by longitudinal cutting;

the checking mechanism (9) further comprises a ring plate (903), the ring plate (903) is fixedly arranged on the surface of the bedplate (2), the axial lead of the ring plate (903) is collinear with that of the rotary table (7), a Hall sensor (904) is arranged on the annular surface of the ring plate (903), the Hall sensor (904) is connected with the bedplate (2) in a penetrating manner, and the Hall sensor (904) is arranged below the batch head (6) and is vertically opposite to one notch part (901);

the discharging mechanism (10) comprises a lug (1001), the lug (1001) is of a cuspid tetrahedral structure, and the top surface of the lug (1001) is an inclined half-moon-tooth curved surface;

the number of the bumps (1001) is one pair, the two bumps (1001) are arranged on the surface of the annular plate (903) in a horizontal axis symmetry mode, and the two bumps (1001) are respectively arranged on the left side and the right side of the Hall sensor (904);

the discharging mechanism (10) further comprises material receiving guide grooves (1002), the number of the material receiving guide grooves (1002) is two, the two material receiving guide grooves (1002) are symmetrically arranged on the surface of the bedplate (2) in the left-right mode, and each material receiving guide groove (1002) corresponds to one notch portion (901).

2. The automatic sorting machine for the titanium alloy bolts of the airplane as claimed in claim 1, wherein: the inner side of the vertical rail (3) is connected with a T-shaped block in a sliding fit mode, and the T-shaped block is fixedly connected with the side surface of the carrier plate (5).

3. The automatic sorting machine for the titanium alloy bolts of the airplane as claimed in claim 1, wherein: the surface side of the screwdriver head (6) is provided with a reversing switch, and a rotating rod at the bottom of the screwdriver head (6) is provided with a bolt assembling head.

4. The automatic sorting machine for the titanium alloy bolts of the airplane as claimed in claim 1, wherein: the circular surface of the bottom of the rotary table (7) is provided with a circular groove, and the convex block (1001) is arranged on the inner side of the circular groove.

5. The automatic sorting machine for the titanium alloy bolts of the airplane as claimed in claim 1, wherein: the number of the notch parts (901) is four, and the opening of the notch part (901) opposite to the lower side of the batch head (6) faces to a maintenance position arranged on the table board.

6. The automatic sorting machine for the titanium alloy bolts of the airplane as claimed in claim 1, wherein: the Hall sensor (904) is a proximity sensor, and a columnar induction head of the Hall sensor (904) is arranged below the top surface of the annular plate (903).