CN216350115U

CN216350115U - Metal plate hardness detection device

Info

Publication number: CN216350115U
Application number: CN202122718176.9U
Authority: CN
Inventors: 余亮潺
Original assignee: Linyi Huitie Hardware Tools Co ltd
Current assignee: Linyi Huitie Hardware Tools Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-19
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to the technical field of metal plate detection equipment, and discloses a metal plate hardness detection device which comprises a main body, wherein a driving motor is fixedly arranged in an inner cavity of the main body, a rotating shaft is fixedly arranged at the output end of the driving motor through a coupler, a driving half gear is fixedly arranged on the outer surface of the rotating shaft, a partition plate is movably arranged in the inner cavity of the main body and below the driving motor, the metal plate hardness detection device drives a driven rack to move through the driving half gear, the driven rack drives a pressure head to move, when the driving half gear is not meshed with the driven rack, a telescopic spring drives the partition plate to move upwards, the partition plate moves upwards to drive the driven rack to return, and the driving half gear is meshed with the driven rack again, so that fire fighting of carrying out multiple hardness detection on a metal plate is achieved, the detection accuracy of the detection device is improved.

Description

Metal plate hardness detection device

Technical Field

The utility model relates to the technical field of metal plate detection equipment, in particular to a metal plate hardness detection device.

Background

Currently, the hardness of a metal sheet is defined as the ability of the sheet to resist being pressed into another harder sheet. The hardness detection is the most rapid, economic and simple test method for evaluating the mechanical properties of the metal. The main purpose of the hardness test is to determine the suitability of the sheet material or the effect of a special hardening or softening treatment of the sheet material for the purpose of use. For the detected plate, the hardness represents the comprehensive performance of various physical quantities such as elasticity, plasticity, strength, toughness, wear resistance and the like reflected under the action of a certain pressure head and a test force. The hardness test can reflect the performance difference of the metal plate under different chemical compositions, tissue structures and heat treatment process conditions, so the hardness test is widely applied to the inspection of metal performance, the supervision of heat treatment process quality and the development of new plates. Static test methods include Brinell, Rockwell, Vickers, Knoop, Weibull, Pasteur, and the like. Among them, the three test methods of Bu, Luo and Wei are the longest used, and they are the main test methods for metal hardness detection. At present, with the rapid development of infrastructure in China, various high-strength plates are widely applied to various projects, and the hardness detection of the plates is used as an important index for evaluating the performance of the plates.

When the existing metal plate hardness detection device is used, the metal plate is detected accurately and is low, the hardness of detection processing of the metal plate is easily inconsistent with the actual hardness, the metal plate cannot be fixed by the detection device, and the metal plate is easily moved when the hardness is detected, so that the metal plate is detected mistakenly.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the metal plate hardness detection device, which has the advantages of improving the detection accuracy of the metal plate, preventing the metal plate from moving in the hardness detection process and the like, and solves the problems that the detection accuracy of the metal plate is low, the detection device cannot fix the metal plate, and the metal plate is easy to move in the hardness detection process.

(II) technical scheme

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a sheet metal hardness detection device, includes the main part, the inner chamber fixed mounting of main part has driving motor, driving motor's output has the pivot through shaft coupling fixed mounting, the outer fixed surface of pivot installs initiative semi-gear No. one, the inner chamber of main part and the below movable mounting that is located driving motor have a baffle No. one, the inner chamber of main part and the below fixed mounting that is located a baffle have No. two baffles, fixed mounting has expanding spring between a baffle and No. two baffles, the top fixed mounting of a baffle has driven rack No. one, the outside of a baffle and extension to a baffle is run through to the bottom of driven rack, the bottom fixed mounting of driven rack has the pressure head, the surface of initiative semi-gear meshes with the surface of driven rack No. one mutually.

Preferably, the connecting rods are fixedly mounted on two sides of the inner cavity of the main body, one ends of the connecting rods, which are far away from each other, penetrate through the main body and extend to the outside of the main body, and the other ends of the connecting rods, which are far away from each other, are fixedly mounted with the rotary valve blocks.

Preferably, two equal fixed mounting of the relative one end of connecting rod has the joint case, two the relative one end of connecting rod all runs through the joint case and extends to the inside of joint case.

Preferably, the outer fixed surface of connecting rod installs the driving gear No. two, two the top and the equal fixed mounting in bottom of joint case inner chamber have compression spring.

Preferably, two are located the top the equal fixed mounting in compression spring's bottom has No. two driven racks of going up, two are located the bottom the equal fixed mounting in compression spring's top has No. two driven racks of going down, the surface of No. two driven racks of going up and No. two driven racks of going down all meshes with the surface of No. two driving gears mutually.

Preferably, two equal fixed mounting in the opposite one side of driven upper rack of No. two and driven lower rack has the joint board, two the relative one side of joint board all runs through the joint case and extends to the outside of joint case.

(III) advantageous effects

Compared with the prior art, the utility model provides a metal plate hardness detection device, which has the following beneficial effects: the metal plate hardness detection device can drive a connecting rod to rotate through rotation of a rotary valve block, the connecting rod drives a second driving gear to rotate, the second driving gear drives a second driven upper rack to move upwards and a second driven lower rack to move downwards, the second driven upper rack moves upwards and the second driven lower rack moves downwards to drive a clamping plate to move, a metal plate is placed in the middle of the metal plate, the metal plate is fixed through the acting force of a compression spring, a driving motor drives a rotating shaft to rotate, the rotating shaft rotates to drive a first driving half gear to rotate, the first driving half gear drives a first driven rack to move, the first driven rack drives a pressure head to move, the pressure head detects the hardness of the metal plate, when the first driving half gear is not meshed with the first driven rack, a telescopic spring drives a first partition plate to move upwards, the first partition plate moves upwards to drive the first driven rack to return, at the moment, the first driving half gear is meshed with the first driven rack again to do reciprocating motion, so that the pressure head can perform reciprocating test on the metal plate.

1. This sheet metal hardness detection device, it rotates to drive the pivot through driving motor, the pivot rotates and drives initiative semi-gear and rotate, initiative semi-gear drives driven rack and removes No. one, driven rack drives the pressure head and removes, make the pressure head carry out hardness detection to sheet metal, when initiative semi-gear not mesh with driven rack No. one, expanding spring drives a baffle rebound, baffle rebound drives driven rack return No. one, initiative semi-gear once more with driven rack meshing No. one this moment, thereby reciprocating motion is done, thereby reached and carried out the fire control that hardness detected many times to sheet metal, detection device's the accurate nature of detection has been promoted, detection device's detection quality has been improved.

2. This sheet metal hardness detection device, it rotates to drive the connecting rod through the rotary valve piece and rotates, the connecting rod rotates and drives No. two driving gears and rotates, No. two driving gears rotate and drive No. two driven upper rack rebound and No. two driven lower rack rebound, No. two driven upper rack rebound and No. two driven lower rack rebound drive joint board and remove, make sheet metal place in the middle of it, fix sheet metal at the square effort through compression spring, prevented that sheet metal from taking place to remove when hardness detects, sheet metal's stability in hardness testing process has been improved.

Drawings

Fig. 1 is a sectional view of the internal structure of the present invention.

Fig. 2 is a partial longitudinal sectional side view of the inner structure of the present invention.

Figure 3 is a side view in longitudinal section of the internal structure of the clamping box of the utility model.

In the figure: 1. a main body; 2. a drive motor; 3. a rotating shaft; 4. a first driving half gear; 5. a first separator plate; 6. a second separator plate; 7. a tension spring; 8. a first driven rack; 9. a pressure head; 10. a connecting rod; 11. clamping a box; 12. a second driving gear; 13. a compression spring; 14. a second driven upper rack; 15. a second driven lower rack; 16. a clamping and connecting plate; 17. the valve block is rotated.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a metal plate hardness detection device comprises a main body 1, a driving motor 2 is fixedly installed in an inner cavity of the main body 1, the driving motor 2 is electrically connected with an external power supply, a rotating shaft 3 is fixedly installed at an output end of the driving motor 2 through a coupler, a first driving half gear 4 is fixedly installed on an outer surface of the rotating shaft 3, a first partition plate 5 is movably installed in the inner cavity of the main body 1 and below the driving motor 2, a second partition plate 6 is fixedly installed in the inner cavity of the main body 1 and below the first partition plate 5, a telescopic spring 7 is fixedly installed between the first partition plate 5 and the second partition plate 6, a first driven rack 8 is fixedly installed on the top of the first partition plate 5, the bottom of the first driven rack 8 penetrates through the first partition plate 5 and extends to the outside of the first partition plate 5, a pressure head 9 is fixedly installed on the bottom of the first driven rack 8, the outer surface of the first driving half gear 4 is meshed with the outer surface of the first driven rack 8, connecting rods 10 are fixedly arranged on two sides of an inner cavity of the main body 1, one ends of the two connecting rods 10, which are far away from each other, penetrate through the main body 1 and extend to the outside of the main body 1, one ends of the two connecting rods 10, which are far away from each other, are fixedly provided with rotating valve blocks 17, one ends of the two connecting rods 10, which are opposite to each other, are fixedly provided with clamping boxes 11, one ends of the two connecting rods 10, which are opposite to each other, penetrate through the clamping boxes 11 and extend to the inside of the clamping boxes 11, second driving gears 12 are fixedly arranged on the outer surfaces of the connecting rods 10, compression springs 13 are fixedly arranged at the top and the bottom of the inner cavity of the two clamping boxes 11, second driven upper racks 14 are fixedly arranged at the bottoms of the two top compression springs 13, second driven lower racks 15 are fixedly arranged at the tops of the two bottom compression springs 13, the outer surfaces of the second driven upper racks 14 and the second driven lower racks 15 are meshed with the outer surface of the second driving gears 12, two driven upper rack 14 of No. two and the equal fixed mounting in one side that driven lower rack 15 is relative has joint plate 16, and the relative one side of two joint plate 16 all runs through joint box 11 and extends to the outside of joint box 11.

The working principle is as follows: firstly, when a user needs to detect hardness, a rotating valve block 17 is rotated, the rotating valve block 17 rotates to drive a connecting rod 10 to rotate, the connecting rod 10 rotates to drive a second driving gear 12 to rotate, according to the gear-rack meshing principle, the second driving gear 12 rotates to drive a second driven upper rack 14 to move upwards and a second driven lower rack 15 to move downwards, the second driven upper rack 14 moves upwards and the second driven lower rack 15 moves downwards to drive a clamping plate 16 to move, so that a metal plate is placed in the middle of the metal plate, the metal plate is fixed by the acting force of a compression spring 13, the metal plate is prevented from moving during hardness detection, when a driving motor 2 is started, the driving motor 2 drives a rotating shaft 3 to rotate, the rotating shaft 3 rotates to drive a first driving half gear 4 to rotate, according to the gear-rack meshing principle, the first driving half gear 4 drives a first driven rack 8 to move, driven rack 8 drives pressure head 9 and removes for pressure head 9 carries out hardness detection to sheet metal, when initiative semi-gear 4 not mesh with driven rack 8 No. one, expanding spring 7 drives a baffle 5 and moves up, baffle 5 moves up and drives driven rack 8 return No. one, initiative semi-gear 4 meshes with driven rack 8 once more this moment, thereby do reciprocating motion, make pressure head 9 can carry out reciprocating test to sheet metal, thereby detection device's the accurate nature of detection has been improved.

To sum up, the metal plate hardness detection device can drive the connecting rod 10 to rotate through the rotation of the rotating valve block 17, the connecting rod 10 drives the second driving gear 12 to rotate, the second driving gear 12 rotates to drive the second driven upper rack 14 to move upwards and the second driven lower rack 15 to move downwards, the second driven upper rack 14 moves upwards and the second driven lower rack 15 moves downwards to drive the clamping plate 16 to move, so that the metal plate is placed in the middle of the metal plate, the metal plate is fixed through the acting force of the compression spring 13, the driving motor 2 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the first driving half gear 4 to rotate, the first driving half gear 4 drives the first driven rack 8 to move, the first driven rack 8 drives the pressure head 9 to move, so that the pressure head 9 detects the hardness of the metal plate, when the first driving half gear 4 is not meshed with the first driven rack 8, expansion spring 7 drives a baffle 5 and moves upwards, and a baffle 5 moves upwards and drives a driven rack 8 return, and initiative semi-gear 4 meshes with a driven rack 8 once more this moment to do reciprocating motion, the pressure head 9 that makes can carry out reciprocal test to sheet metal.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sheet metal hardness testing device, includes main part (1), its characterized in that: the inner chamber fixed mounting of main part (1) has driving motor (2), the output of driving motor (2) has pivot (3) through shaft coupling fixed mounting, the outer fixed surface of pivot (3) installs initiative semi-gear (4) No. one, the inner chamber of main part (1) just is located the below movable mounting of driving motor (2) has baffle (5) No. one, the inner chamber of main part (1) just is located the below fixed mounting of baffle (5) No. two baffle (6), fixed mounting has expanding spring (7) between baffle (5) and No. two baffle (6), the top fixed mounting of baffle (5) has driven rack (8) No. one, the bottom of driven rack (8) runs through baffle (5) No. one and extends to the outside of baffle (5), the bottom fixed mounting of driven rack (8) has pressure head (9), the outer surface of the first driving half gear (4) is meshed with the outer surface of the first driven rack (8).

2. The metal plate hardness detection device according to claim 1, wherein: the equal fixed mounting in both sides of main part (1) inner chamber has connecting rod (10), two the one end that connecting rod (10) kept away from each other all runs through main part (1) and extends to the outside of main part (1), two the equal fixed mounting in one end that connecting rod (10) kept away from each other has rotation valve piece (17).

3. The metal plate hardness detection device according to claim 2, wherein: two equal fixed mounting in the one end that connecting rod (10) are relative has joint case (11), two the inside that joint case (11) and extend to joint case (11) is all run through to the one end that connecting rod (10) are relative.

4. The apparatus for detecting hardness of metal plate according to claim 3, wherein: the outer fixed surface of connecting rod (10) installs No. two driving gear (12), two equal fixed mounting in top and the bottom of joint box (11) inner chamber has compression spring (13).

5. The apparatus for detecting hardness of metal plate according to claim 4, wherein: two are located the top the equal fixed mounting in bottom of compression spring (13) has No. two driven upper rack (14), and two are located the bottom the equal fixed mounting in top of compression spring (13) has No. two driven lower rack (15), the surface of No. two driven upper rack (14) and No. two driven lower rack (15) all meshes with the surface of No. two driving gear (12) mutually.

6. The apparatus for detecting hardness of metal plate according to claim 5, wherein: two equal fixed mounting in the one side that No. two driven upper rack (14) and No. two driven lower rack (15) are relative has joint board (16), two the outside that joint case (11) and extend to joint case (11) is all run through in the one side that joint board (16) is relative.