CN218725268U

CN218725268U - Rockwell hardness meter for FNC detection of brake disc

Info

Publication number: CN218725268U
Application number: CN202222898357.9U
Authority: CN
Inventors: 赵玉宝
Original assignee: Tongfu Heat Treatment Kunshan Co ltd
Current assignee: Tongfu Heat Treatment Kunshan Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-03-24
Anticipated expiration: 2032-11-01

Abstract

The utility model relates to a brake disc hardness detects technical field specifically is a rockwell hardness tester for brake disc FNC detects, including lower base, the mounting groove has been seted up to middle part one side of base down, the middle part swing joint of mounting groove has the spliced pole, the top of spliced pole is connected with the bottom of last base, one side swing joint of base has first screw rod down, the top surface middle part of base is equipped with servo motor down, servo motor's output end fixedly connected with second screw rod, the second screw rod runs through the middle part at two movable blocks, two the top fixedly connected with splint of movable block, the rockwell hardness tester after the improvement fixes the brake disc through splint and places the bench, avoids taking place dislocation influence testing result when detecting brake disc hardness, realizes the dismouting of spliced pole and two upper and lower bases through first screw rod and mounting groove, and detachable construction makes this rockwell hardness tester's convenience promote greatly.

Description

Rockwell hardness tester for FNC detection of brake disc

Technical Field

The utility model relates to a brake disc hardness detects technical field, specifically is a rockwell hardness tester for brake disc FNC detects.

Background

The FNC technology is that the brake disc is pre-oxidized firstly, then the brake disc is placed into a special gas nitriding furnace with the furnace temperature of 540-580 ℃, nitrogen, ammonia and carbon dioxide are introduced, the temperature is kept for 1-6 hours, the brake disc is taken out and rapidly cooled, the wear resistance of the surface of a part is improved, a loose layer is formed on the surface, and the shaking and squeaking sounds during braking are improved.

Adopt the brake disc that FNC technique produced to have good wearability and corrosion resistance, and the hardness of brake disc also promotes by a wide margin, need detect its hardness after the brake disc production is accomplished, and be different from the method of traditional destruction formula and detect the brake disc hardness, because adopt destruction formula method can increase cost by a wide margin, consequently need use the rockwell sclerometer to detect the brake disc, can not produce the hardness that the damage can detect out the brake disc to the brake disc, consequently the rockwell sclerometer is than an indispensable class of device in the brake disc hardness detection that the FNC technique produced.

The prior patent (publication number: CN 215218415U) discloses a high accuracy Rockwell hardness tester convenient to maintain, including the Rockwell hardness tester body and adjust the structure, adjust the structure including placing the platform, place platform bottom and Rockwell hardness tester body rigid coupling, place platform bottom rigid coupling fixed plate, fixed plate and spliced pole surface sliding connection, spliced pole one end rigid coupling connecting plate, spliced pole other end rigid coupling movable plate, movable plate top rigid coupling auxiliary stand, auxiliary stand one side is provided with supporting component, and this application can be convenient for adjust the position of auxiliary stand through spliced pole and connecting plate isotructure to utilize the auxiliary stand to enlarge the area of Rockwell hardness tester body holding surface, be convenient for place the great article of volume, make the great article of volume more stable detecting, improve and detect the precision. The inventor discovers that the prior art has the following problems in the process of realizing the utility model: 1. the Rockwell hardness tester directly places the object to be detected on the placing table when the hardness of the object is detected, although the hardness of the object can be detected, the object is easy to be dislocated in the detection process, so that the detection result is influenced; 2. most of the existing Rockwell hardometers are C-shaped structures and integrated structures, are inconvenient to carry and transfer, are not beneficial to people to use, and are poor in convenience.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rockwell hardness tester for brake disc FNC detection to solve the problem that the rockwell hardness tester directly places the detected object on the placing table when detecting the hardness of the object, and although the hardness tester can detect the hardness of the object, the dislocation is easy to occur in the detection process, thereby affecting the detection result; and the most current rockwell hardometer is C style of calligraphy and formula structure as an organic whole, portable and the transfer of not being convenient for, is unfavorable for people to use, the poor problem of convenience. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rockwell hardness tester for brake disc FNC detects, includes base down, the mounting groove has been seted up to middle part one side of base down, the middle part swing joint of mounting groove has the spliced pole, the top of spliced pole is connected with the bottom of last base, one side swing joint of base has first screw rod down, the top surface middle part of base is equipped with servo motor down, servo motor's output end fixedly connected with second screw rod, the second screw rod runs through at the middle part of two movable blocks, two the top fixedly connected with splint of movable block, establish respectively on one side of the top of base down and place platform and two telescopic links, two the equal fixedly connected with clamp plate in top of telescopic link, it has the third screw rod to run through to go up middle part one side of base, the top of third screw rod is equipped with the commentaries on classics board, the bottom fixedly connected with pressure head of third screw rod.

Preferably, the first screw rods and the mounting grooves are in one group, and the two groups are symmetrically distributed between the two groups about the central line of the connecting column, and the two groups are respectively positioned in the upper base and the lower base.

Further preferably, both sides of the top end and both sides of the bottom end of the connecting column are respectively provided with a limiting groove, and the limiting groove and a limiting block in the mounting groove form a limiting structure.

Preferably, four fixing rods are equiangularly distributed on the side surface of the rotating plate.

Preferably, the middle of the placing table is provided with a sliding groove, the two moving blocks are located on the inner side of the sliding groove, and the inner size structure of the sliding groove is consistent with the outer size structure of the moving blocks.

Further preferably, the number of the clamping plates is two, the two clamping plates are symmetrically distributed about the central line of the placing table, and the clamping plates are of arc-shaped structures.

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

the utility model discloses in, place the bench through the brake disc that will detect, then utilize the splint of both sides to press from both sides tight to the brake disc, and splint can increase the area of contact with the brake disc for the arc structure, make the brake disc by the more firm of centre gripping, then can also push down the brake disc through telescopic link cooperation clamp plate, prevent that the brake disc from taking place the condition such as slope perk, guarantee that the brake disc is in the horizontality, thereby it detects the brake disc hardness to be convenient for the pressure head and the brake disc contact, avoid taking place dislocation influence testing result when detecting the brake disc hardness.

The utility model discloses in, through being divided into three major parts with whole rockwell hardometer, go up the base promptly, lower base and spliced pole realize the dismantlement of rockwell hardometer, and be connected through first screw rod and mounting groove between spliced pole and the upper and lower base, detachable construction makes this rockwell hardometer's convenience promote greatly, and can accomplish the quick location of spliced pole through the spacing inslot that aims at spliced pole both sides with two stoppers in the mounting groove when the installation, thereby directly screw into the threaded hole of spliced pole with first screw rod, need not to spend time and come screw hole and first screw rod calibration, very convenient and fast.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 4 is a schematic side view of the cross-sectional structure of the present invention;

fig. 5 is a schematic top view of the cross-sectional structure of the present invention.

In the figure: 1. a lower base; 2. mounting grooves; 3. connecting columns; 4. a first screw; 5. a servo motor; 6. a second screw; 7. a moving block; 8. a splint; 9. a placing table; 10. a telescopic rod; 11. pressing a plate; 12. a third screw; 13. rotating the plate; 14. a pressure head; 15. and (4) an upper base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a rockwell sclerometer for brake disc FNC detects, including lower base 1, mounting groove 2 has been seted up to lower base 1's middle part one side, the middle part swing joint of mounting groove 2 has spliced pole 3, spliced pole 3's top is connected with the bottom of last base 15, one side swing joint of lower base 1 has first screw rod 4, lower base 1's top surface middle part is equipped with servo motor 5, servo motor 5's output end fixedly connected with second screw rod 6, second screw rod 6 runs through the middle part at two movable blocks 7, the top fixedly connected with splint 8 of two movable blocks 7, it places platform 9 and two telescopic links 10 to establish respectively in lower base 1's top one side, the equal fixedly connected with clamp plate 11 in top of two telescopic links 10, it has third screw rod 12 to run through to go up middle part one side of base 15, the top of third screw rod 12 is equipped with commentaries on classics board 13, the bottom fixedly connected with pressure head 14 of third screw rod 12.

In this embodiment, as shown in fig. 2 and 3, the first screws 4 and the mounting grooves 2 are in one group, and there are two groups, and the two groups are symmetrically distributed about the center line of the connecting column 3, and the two groups are respectively located inside the upper base 15 and the lower base 1; the two groups of mounting grooves 2 and the first screw rods 4 are respectively used for connecting the upper end and the lower end of the connecting column 3, and the connecting column 3 is connected with the upper base and the lower base.

In this embodiment, as shown in fig. 5, two sides of the top end and two sides of the bottom end of the connecting column 3 are respectively provided with a limiting groove, and the limiting groove and the limiting block in the mounting groove 2 form a limiting structure; can carry out quick spacing to spliced pole 3 at this hardness timing of installation, be convenient for insert spliced pole 3's threaded hole fast with first screw rod 4 and accomplish the installation.

In this embodiment, as shown in fig. 1, 2 and 3, four fixing rods are equiangularly distributed on the side surface of the rotating plate 13; the four fixing rods can facilitate a user to rotate the rotating plate 13, so that the third screw 12 is driven to rotate to achieve the up-and-down movement of the pressure head 14.

In this embodiment, as shown in fig. 1, 3 and 4, a sliding groove is formed in the middle of the placing table 9, the two moving blocks 7 are located inside the sliding groove, and the inner dimension structure of the sliding groove is consistent with the outer dimension structure of the moving blocks 7; the sliding groove ensures that the moving block 7 can move and limits the moving block 7 at the same time, so that the moving block 7 is prevented from rotating along with the rotation of the second screw 6.

In the present embodiment, as shown in fig. 1, 2 and 3, the number of the clamping plates 8 is two, and the two clamping plates 8 are symmetrically distributed about the center line of the placing table 9, and the clamping plates 8 are arc-shaped; because second screw 6 is two-way screw, two splint 8 move in opposite directions through the rotation of second screw 6 and carry out the centre gripping to the brake disc on placing platform 9 fixed, avoid the brake disc to take place the dislocation when carrying out hardness detection, and the laminating brake disc edge that cambered surface structure can be better.

The utility model discloses a use method and advantage: this kind of a rockwell hardness tester for brake disc FNC detects when the rolling, the working process is as follows:

as shown in fig. 1, 2, 3, 4 and 5, firstly, a brake disc processed by FNC technology is placed on a placing table 9, then a servo motor 5 is started to drive a second screw 6 to rotate, because the second screw 6 is a bidirectional screw, the second screw 6 can drive two moving blocks 7 to move oppositely, the moving blocks 7 drive a clamping plate 8 at the top to clamp the brake disc in the middle for fixing, then an expansion link 10 is continuously started to drive a pressing plate 11 to move downwards to press down the brake disc to prevent the brake disc from inclining or tilting, so that the brake disc is kept horizontal, a pressing head 14 can detect the hardness of the brake disc, the brake disc is completely fixed at the top of the placing table 9 through the matching of the clamping plate 8 and the pressing plate 11, rotate the commentaries on classics board 13 again and drive third screw rod 12 and rotate, third screw rod 12 rotates and drives pressure head 14 and move down, make pressure head 14 with place the brake disc contact on the platform 9, thereby detect the hardness of brake disc, when needs dismantle this rockwell hardness timing, screw out first screw rod 4 from two upper and lower bases, can be with spliced pole 3 and last base 15, lower base 1 parts, when installing, aim at the spacing block in mounting groove 2 and insert with the spacing groove of spliced pole 3 both sides, carry out quick spacing to spliced pole 3, then directly screw into the threaded hole at spliced pole 3 middle part with first screw rod 4 can, saved the time of aiming at the threaded hole with first screw rod 4, the installation rate of this rockwell hardness meter has been accelerated greatly, the convenience has been promoted.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A rockwell hardness tester for FNC detection of brake discs, which comprises a lower base (1) and is characterized in that: the improved structure of the hydraulic support is characterized in that a mounting groove (2) is formed in one side of the middle of the lower base (1), a connecting column (3) is movably connected to the middle of the mounting groove (2), the top of the connecting column (3) is connected with the bottom of an upper base (15), a first screw (4) is movably connected to one side of the lower base (1), a servo motor (5) is arranged in the middle of the top surface of the lower base (1), a second screw (6) is fixedly connected to the output end of the servo motor (5), the second screw (6) penetrates through the middle of two moving blocks (7), two clamping plates (8) are fixedly connected to the tops of the moving blocks (7), a placing table (9) and two telescopic rods (10) are respectively arranged on one side of the top of the lower base (1), a pressing plate (11) is fixedly connected to the top ends of the telescopic rods (10), a third screw (12) penetrates through one side of the middle of the upper base (15), a rotating plate (13) is arranged on the top of the third screw (12), and a pressing head (14) is fixedly connected to the bottom of the third screw (12).

2. A rockwell hardness tester for brake disc FNC testing according to claim 1, wherein: the first screw rods (4) and the mounting grooves (2) are in a group, the two groups are arranged in total, the two groups are symmetrically distributed about the center line of the connecting column (3), and the two groups are respectively positioned in the upper base (15) and the lower base (1).

3. A rockwell hardness tester for brake disc FNC testing according to claim 1, wherein: limiting grooves are formed in two sides of the top end and two sides of the bottom end of the connecting column (3) respectively, and limiting structures are formed by the limiting grooves and limiting blocks in the mounting grooves (2).

4. A rockwell hardness tester for brake disc FNC testing according to claim 1, wherein: four fixed rods are distributed at equal angles on the side surface of the rotating plate (13).

5. A rockwell hardness tester for brake disc FNC testing according to claim 1, wherein: the middle of the placing table (9) is provided with a sliding groove, the two moving blocks (7) are located on the inner side of the sliding groove, and the inner size structure of the sliding groove is consistent with the outer size structure of the moving blocks (7).

6. A rockwell hardness tester for brake disc FNC testing according to claim 1, wherein: the number of splint (8) is two, and two splint (8) are about the central line symmetric distribution who places platform (9), and splint (8) are the arc structure.