CN214844577U

CN214844577U - Blossometer hardness tester

Info

Publication number: CN214844577U
Application number: CN202121518414.5U
Authority: CN
Inventors: 涂家才
Original assignee: Fujian Fangshi Engineering Detection Co ltd
Current assignee: Fujian Fangshi Engineering Detection Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-11-23
Anticipated expiration: 2031-07-05

Abstract

The utility model relates to a blossoming sclerometer, it includes the organism, be provided with the testboard on the organism, be located be provided with the punching press platform on the organism of testboard top, the testboard upper surface is equipped with two at least first spouts along central department circumference spaced apart, just first spout extends the setting towards the center of testboard, the cunning is connected with the grip block in the first spout, be provided with the actuating mechanism who is used for driving the grip block reciprocating motion in first spout on the testboard. This application has the effect that improves hardness testing accuracy.

Description

Blossometer hardness tester

Technical Field

The application relates to the technical field of metal hardness detection devices, in particular to a bloovissometer.

Background

The blovic hardness tester is suitable for determining the hardness of ferrous metals, nonferrous metals, hard alloys, carburized layers and chemical treatment layers, and the principle is that a stamping head is utilized to apply a loading force to a test material, and the deformation degree of the material is observed through a microscope to determine the hardness value of the material.

At present, chinese patent with publication number CN206387677U discloses a blovin three-purpose sclerometer, which includes a test table, a rotating wheel located at the lower end of the test table and used for changing the height of the test table, a stamping table located above the test table, a pressure detecting device, a pressure comparing device and an executing device. The object to be tested is placed on the test board, and when the pressure detection device and the pressure comparison device detect that the object to be tested is placed on the test board, the execution device automatically and quickly lifts the test board to be close to the stamping board, so that the working efficiency is improved.

In view of the above-mentioned related technologies, the inventor believes that the object to be tested is directly placed on the test table, and the object to be tested is easily deviated when being subjected to the load force of the stamping table, so that the defect of low test precision exists.

SUMMERY OF THE UTILITY MODEL

In order to improve hardness testing accuracy, this application provides a bloovimeter.

The application provides a bloovimeter adopts following technical scheme:

the utility model provides a blossoming sclerometer, includes the organism, be provided with the testboard on the organism, be located be provided with the punching press platform on the organism of testboard top, the testboard upper surface is equipped with two at least first spouts along center department circumference spaced apart, just first spout extends the setting towards the center of testboard, the slippage is connected with the grip block in the first spout, be provided with the actuating mechanism who is used for driving grip block reciprocating motion in first spout on the testboard.

Through adopting above-mentioned technical scheme, place the object that awaits measuring in the center department of testboard upper surface, then it is fixed to carry out the centre gripping through actuating mechanism drive grip block to the object that awaits measuring, can keep in comparatively stable state when the object that awaits measuring receives the loading force of punching press platform to hardness test accuracy has been improved.

Preferably, actuating mechanism includes axis of rotation, fixed disk, arc connecting rod and drive assembly, the mounting groove has been seted up in the testboard, first spout and mounting groove intercommunication, grip block one end slides in the mounting groove, and the other end slides and extends to first spout top, the vertical rotation of axis of rotation is connected in the mounting groove of testboard center department, the fixed cover of fixed disk is established in the axis of rotation, the one end of arc connecting rod articulates on the grip block, and the other end articulates on the fixed disk, drive assembly is used for driving axis of rotation corotation or reversal.

Through adopting above-mentioned technical scheme, rotate through drive assembly drive axis of rotation, the axis of rotation drives the fixed disk and rotates, and the fixed disk drives the arc connecting rod and rotates, and the arc connecting rod drives the centre orientation slip of grip block towards the testboard in first spout to form the centre gripping to the object that awaits measuring.

Preferably, drive assembly includes worm wheel and worm, the fixed cover of worm wheel is established in the axis of rotation, the worm level rotate connect in the mounting groove and with the worm wheel meshing, just the one end of worm runs through to the testboard outside.

Through adopting above-mentioned technical scheme, rotate the worm, the worm drives the worm wheel and rotates to drive the axis of rotation and rotate, and worm wheel have self-locking function, therefore the centre gripping object that awaits measuring that the grip block can be stable.

Preferably, the mounting block is fixed on the position of the bottom of the mounting groove corresponding to the first sliding groove, the second sliding groove is formed in the mounting block along the length direction, and one end, located in the mounting groove, of the clamping block is connected in the second sliding groove in a sliding mode.

Through adopting above-mentioned technical scheme, through the cooperation of sliding of grip block and second spout, actuating mechanism can more stable drive grip block remove.

Preferably, the first sliding grooves are symmetrically formed in the test board along the center.

Through adopting above-mentioned technical scheme, the testboard upper surface slides and is connected with four grip blocks, and four grip block cooperations can have better clamping action to some irregularly-shaped objects that await measuring.

Preferably, the stamping platform comprises an installation cylinder close to one end of the test platform, a stamping block is vertically and movably inserted in the installation cylinder, and a fixing piece used for fixing the stamping block in the installation cylinder is arranged on the installation cylinder.

Through adopting above-mentioned technical scheme, the punching press platform passes through the punching press piece and exerts load power to the object that awaits measuring, and the punching press piece can be dismantled through the mounting and peg graft in the installation section of thick bamboo to the convenient counterpunch piece is changed.

Preferably, the fixing part is a bolt, two fixing holes are formed in the wall of the installation cylinder in a relatively-opened mode, the installation hole penetrates through the position, corresponding to the two fixing holes, of the stamping block, and the bolt is in threaded connection with the fixing holes and the installation hole.

Through adopting above-mentioned technical scheme, the punching press piece passes through the bolt fastening in the installation section of thick bamboo, and the dismouting process of punching press piece is simple and convenient.

Preferably, a rotating wheel is fixed at one end of the worm penetrating through the test bench.

Through adopting above-mentioned technical scheme, through setting up the runner, conveniently rotate the screw rod.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) the object to be tested is placed in the center of the upper surface of the test board, then the clamping block is driven by the driving mechanism to clamp and fix the object to be tested, and the object to be tested can be kept in a stable state when being subjected to the loading force of the stamping table, so that the hardness test precision is improved;

(2) the driving assembly drives the rotating shaft to rotate, the rotating shaft drives the fixed disc to rotate, the fixed disc drives the arc-shaped connecting rod to rotate, and the arc-shaped connecting rod drives the clamping block to slide in the first sliding groove towards the center direction of the test board, so that an object to be tested is clamped;

(3) the stamping platform exerts load power to the object that awaits measuring through the punching press piece, and the punching press piece can be dismantled through the mounting and peg graft in the installation section of thick bamboo to the convenient counterpunch piece is changed.

Drawings

FIG. 1 is a schematic diagram of the construction of a Blowev hardness tester according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a test station according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of an embodiment of the present application for highlighting an internal structure of a mounting groove;

fig. 4 is a schematic view of explosive installation of a punch block in an installation cylinder according to an embodiment of the application.

Description of reference numerals: 1. a body; 2. a test bench; 3. a punching stage; 4. stamping the blocks; 5. a first chute; 6. a clamping block; 7. a rotating shaft; 8. fixing the disc; 9. an arc-shaped connecting rod; 10. mounting grooves; 11. a worm gear; 12. a worm; 13. a rotating wheel; 14. mounting blocks; 15. a second chute; 16. mounting the cylinder; 17. a bolt; 18. a fixing hole; 19. and (7) installing holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a bloovissometer. Referring to fig. 1, the bloovian hardness tester comprises a machine body 1, wherein a test board 2 used for placing an object to be tested is horizontally arranged on the machine body 1, and the test board 2 is disc-shaped. Be provided with stamping station 3 on the organism 1 that is located 2 tops of testboard, stamping station 3 is including vertical punching press piece 4 of fixing near 2 one ends of testboard, and the loading force is applyed to the object that awaits measuring to punching press piece 4 to the hardness of the object that awaits measuring tests.

Specifically, referring to fig. 2, at least two first sliding grooves 5 are circumferentially spaced on the upper surface of the test platform 2, and the first sliding grooves 5 extend from the outer peripheral side of the test platform 2 toward the center of a circle. All slide in the first spout 5 among the above-mentioned and be connected with grip block 6, still include actuating mechanism, actuating mechanism is used for driving grip block 6 synchronous slip to be close to or keep away from the centre of a circle of testboard 2 to make grip block 6 centre gripping or loosen the object that awaits measuring.

Referring to fig. 3, the driving mechanism includes a rotation shaft 7, a fixed disk 8, an arc-shaped link 9, and a driving assembly. Set up mounting groove 10 in the testboard 2, mounting groove 10 just is the column with first spout 5 intercommunication. The lower extreme of grip block 6 slides in mounting groove 10, and the upper end of grip block 6 extends first spout 5 top, and the height that grip block 6 extends first spout 5 top is less than the height of the object that awaits measuring. The rotating shaft 7 is vertically and rotatably connected in a mounting groove 10 in the circle center of the test board 2, and the fixed disc 8 is fixedly sleeved at the upper end of the rotating shaft 7. One end of the arc connecting rod 9 is hinged on the side wall of one side of the clamping block 6 facing the rotating shaft 7, and the other end is hinged on one side of the upper surface of the fixed disc 8. The driving assembly is used for driving the rotating shaft 7 to rotate positively and negatively.

The drive assembly includes a worm wheel 11 and a worm 12. The worm wheel 11 is fixedly sleeved on the rotating shaft 7 below the fixed disc 8, the worm 12 is horizontally and rotatably connected in the mounting groove 10 and meshed with the worm wheel 11, and one end of the worm 12 departing from the machine body 1 penetrates through the outer side of the test bench 2 and is fixed with a rotating wheel 13.

Place the centre of a circle department of object to be measured at testboard 2 upper surface, then rotate worm 12 through rotating runner 13, worm 12 drives worm wheel 11 and rotates, worm wheel 11 drives axis of rotation 7 and fixed disk 8 and rotates, fixed disk 8 drives arc connecting rod 9 and removes, thereby it slides towards the centre of a circle department of testboard 2 in first spout 5 to drive grip block 6, grip block 6 just carries out the centre gripping to the object to be measured fixedly, the object to be measured can keep comparatively stable when receiving stamping station 3's loading force, thereby hardness test precision has been improved.

Referring to fig. 2, in this embodiment, four first chutes 5 are symmetrically formed in the upper surface of the test platform 2 along the center of a circle, that is, four clamping blocks 6 are provided, and the four clamping blocks 6 can clamp not only objects with regular shapes such as circles or squares, but also objects with irregular shapes. In other embodiments, the number of the first chutes 5 may be 2, 3, or 4 or more.

In this embodiment, the driving means is a transmission system of the worm wheel 11 and the worm 12, but in other embodiments, the driving means may be another driving source such as a motor, and the rotating shaft 7 is directly driven to rotate by a small motor.

Referring to fig. 3, a mounting block 14 is integrally formed at a position of the bottom of the mounting groove 10 corresponding to the first sliding groove 5, a second sliding groove 15 is formed on the mounting block 14 along the length direction, and the second sliding groove 15 is a T-shaped groove. The lower extreme of grip block 6 is "T" shape with second spout 15 looks adaptation, and the lower extreme of grip block 6 slides and connects in second spout 15. The second sliding groove 15 plays a role in guiding and limiting the clamping block 6, and the driving mechanism can more stably drive the clamping block 6 to slide in the first sliding groove 5 in a reciprocating mode.

Referring to fig. 4, the stamping station 3 includes a mounting cylinder 16 vertically disposed at an end adjacent to the testing station 2, and the stamping block 4 is detachably inserted into the mounting cylinder 16 through a fixing member.

The fixing piece is a bolt 17, two fixing holes 18 are oppositely formed in the wall of the installation barrel 16, a mounting hole 19 penetrates through the position, corresponding to the two fixing holes 18, of the stamping block 4, the bolt 17 penetrates through the fixing holes 18 and the mounting hole 19 in a threaded mode, and therefore the stamping block 4 is fixed in the installation barrel 16. The stamping block 4 is fixed through the bolt 17, and the dismounting process of the stamping block 4 is simple, so that the stamping block 4 is convenient to replace.

In this embodiment, the punch 4 is fixed by the bolt 17, and in other embodiments, threads may be formed on the inner sidewall of the mounting cylinder 16 and the outer sidewall of the punch 4, so as to directly connect the punch 4 in the mounting cylinder 16 by threads, thereby achieving the effect of detachable fixation.

The implementation principle of the bloovimeter in the embodiment of the application is as follows: the object to be tested is placed in the circle center of the upper surface of the test board 2, then the four clamping blocks 6 are driven by the driving mechanism to synchronously move towards the circle center of the test board 2, the four clamping blocks 6 clamp and fix the object to be tested, and the object to be tested can be kept stable when being subjected to the load force of the stamping blocks 4, so that the hardness test precision is improved. The stamping block 4 is detachably fixed in the mounting cylinder 16 through a bolt 17, so that the stamping block 4 can be replaced quickly.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a blowell sclerometer, includes organism (1), be provided with testboard (2) on organism (1), be located be provided with stamping station (3), its characterized in that on organism (1) of testboard (2) top: the test bench is characterized in that at least two first sliding grooves (5) are formed in the upper surface of the test bench (2) in a circumferential direction at intervals along the center, the first sliding grooves (5) extend towards the center of the test bench (2), clamping blocks (6) are connected in the first sliding grooves (5) in a sliding mode, and a driving mechanism used for driving the clamping blocks (6) to reciprocate in the first sliding grooves (5) is arranged on the test bench (2).

2. A blossometer according to claim 1, characterized in that: actuating mechanism includes axis of rotation (7), fixed disk (8), arc connecting rod (9) and drive assembly, mounting groove (10) have been seted up in testboard (2), first spout (5) and mounting groove (10) intercommunication, grip block (6) one end slides in mounting groove (10), and the other end slides and extends to first spout (5) top, axis of rotation (7) vertical rotation is connected in mounting groove (10) of testboard (2) center department, fixed disk (8) fixed cover is established on axis of rotation (7), the one end of arc connecting rod (9) articulates on grip block (6), and the other end articulates on fixed disk (8), drive assembly is used for driving axis of rotation (7) corotation or reversal.

3. A blossometer according to claim 2, characterized in that: drive assembly includes worm wheel (11) and worm (12), worm wheel (11) fixed cover is established on axis of rotation (7), worm (12) level rotate connect in mounting groove (10) and with worm wheel (11) meshing, just the one end of worm (12) runs through to the testboard (2) outside.

4. A blossometer according to claim 2, characterized in that: all be fixed with installation piece (14) on the position of mounting groove (10) tank bottom corresponding first spout (5), second spout (15) have been seted up along length direction in installation piece (14), the one end that grip block (6) are located mounting groove (10) is slided and is connected in second spout (15).

5. A blossometer according to claim 1, characterized in that: four first sliding grooves (5) are symmetrically formed in the test board (2) along the center.

6. A blossometer according to claim 1, characterized in that: the stamping platform (3) comprises an installation cylinder (16) close to one end of the test platform (2), a stamping block (4) is vertically and movably inserted into the installation cylinder (16), and a fixing piece used for fixing the stamping block (4) in the installation cylinder (16) is arranged on the installation cylinder (16).

7. A blossometer according to claim 6, characterized in that: the fixing piece is a bolt (17), two fixing holes (18) are formed in the wall of the installation barrel (16) in a relatively-opened mode, an installation hole (19) penetrates through the position, corresponding to the two fixing holes (18), of the stamping block (4), and the bolt (17) is in threaded connection with the fixing holes (18) and the installation hole (19).

8. A blossometer according to claim 3, characterized in that: and a rotating wheel (13) is fixed at one end of the worm (12) penetrating through the test bench (2).