CN217738905U

CN217738905U - Hardness detection device for metal material

Info

Publication number: CN217738905U
Application number: CN202221286426.4U
Authority: CN
Inventors: 肖冬飞
Original assignee: Guangdong Institute Of Special Equipment Inspection And Research Dongguan Branch
Current assignee: Guangdong Institute Of Special Equipment Inspection And Research Dongguan Branch
Priority date: 2021-05-25
Filing date: 2022-05-25
Publication date: 2022-11-04
Anticipated expiration: 2032-05-25

Abstract

The utility model relates to a metal material mechanical properties detects technical field, concretely relates to hardness detection device for metal material, including placing the board, the top of placing the board is provided with fixed subassembly, fixed subassembly includes first dead slot, dead lever, first spring, riser, side lever, slide bar, second dead slot, thread block and rubber column, place the inside of board and seted up first dead slot, one side fixedly connected with dead lever of first dead slot inner wall, the outside cover of dead lever is equipped with first spring, the one end welding of first spring has first riser, one side fixedly connected with side lever of first riser, the inside sliding connection of side lever has the slide bar, the second dead slot has been seted up to the inside of first riser, the utility model provides a hardness detection device for metal material can fix the metal material of different shapes and size, and convenient to use person carries out the device that hardness detected to metal material.

Description

Hardness detection device for metal material

Technical Field

The utility model relates to a metal material mechanical properties detects technical field, concretely relates to hardness testing device for metal material.

Background

The mechanical property of the metal material refers to the characteristic of the metal material under the action of external force, and reflects the capability of the metal material to resist deformation or damage under the action of various forms of external force. The advantages and disadvantages of the mechanical properties of the metal material directly affect the application range, the use safety and reliability and the service life of the metal material. The indicators for measuring mechanical properties are strength, hardness, stiffness, plasticity, toughness, etc., wherein the hardness reflects the ability of the material to resist local plastic deformation or surface damage. In general, materials with higher hardness also have higher strength and better wear resistance. Hardness testing is widely used in production, scientific research and engineering. The hardness test method can be generally divided into a pressing-in method and a scoring method, and in the pressing-in method, the hardness test method can be divided into a static test method and a dynamic test method according to different force application speeds. The static test method is that a rigid pressure head with a certain shape is slowly pressed into the surface of a test sample fixed on a test bed under the action of test force, and the hardness value is obtained by measuring the area or depth of an indentation generated on the surface of the test sample and calculating through a formula.

At present, when the hardness of a metal material is detected, the existing hardness detection device for a part of metal materials can only fix a metal block or a metal plate in certain specific shapes and then detect the hardness, and cannot fix the metal materials in different shapes, or has poor fixing effect on the metal materials in different shapes, poor adaptability to the shapes of test samples, poor hardness detection effect and low detection efficiency, and can not well meet the requirements of users.

To the problem, the utility model designs a hardness testing device for metal material.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a hardness detection device for metal material solves above-mentioned problem as far as possible to provide one kind and can fix the metal material of different shapes and size, the person of facilitating the use carries out the hardness detection device for metal material that hardness detected to metal material.

The utility model discloses a following technical scheme realizes:

the utility model provides a hardness detection device for metal material, is including placing the board, the top of placing the board is provided with fixed subassembly, fixed subassembly includes first dead slot, dead lever, first spring, riser, side lever, slide bar, second dead slot, thread block and rubber column, place the inside of board and seted up first dead slot, one side fixedly connected with dead lever of first dead slot inner wall, the outside cover of dead lever is equipped with first spring, the one end welding of first spring has first riser, one side fixedly connected with side lever of first riser, the inside sliding connection of side lever has the slide bar, the second dead slot has been seted up to the inside of first riser, one side sliding connection of second dead slot inner wall has the thread block, one side fixedly connected with rubber column of thread block.

Preferably, the equal fixedly connected with cushion of one end of rubber column and slide bar, the inside threaded connection of screw thread piece has the screw rod, the outside cover of slide bar is equipped with the second spring, the bottom of screw rod is rotated with the bottom of second dead slot inner chamber and is connected.

Preferably, still include the detection case body, the bottom fixedly connected with bracing piece of detection case body inner chamber, the inside sliding connection of bracing piece has the connecting rod, the top of connecting rod and the bottom fixed connection who places the board.

Preferably, the top fixedly connected with pneumatic cylinder of detection case body, the piston rod fixedly connected with spliced pole of pneumatic cylinder, the bottom of spliced pole is provided with the pressure head device.

Preferably, the bolt is connected to the inner thread of the placing plate, the connecting plate is connected to the outer thread of the bolt, and screw holes matched with the bolt for use are formed in the connecting plate and the placing plate.

Preferably, one side fixedly connected with second riser of connecting plate, one side of second riser is provided with the rubber pad.

Preferably, the inside of detection case body rotates and is connected with the dwang, the inside threaded connection of dwang has the telescopic link.

Preferably, the bottom fixedly connected with bottom plate of detection case body, the front surface of detection case body is connected with the chamber door through the hinge rotation, the equal fixedly connected with supporting leg in four corners of bottom plate bottom.

Preferably, a first bevel gear is fixedly connected to the outer side of the rotating rod, and a second bevel gear is connected to the outer side of the first bevel gear in a meshed manner.

Preferably, the inner ring of the second bevel gear is fixedly connected with a rotating rod, and a cavity matched with the rotating rod, the first bevel gear and the second bevel gear for use is formed in the bottom plate.

The utility model has the advantages that: by arranging the fixing component, when a user detects the hardness of the metal material, the box door is opened firstly, then the user adjusts the positions of the first vertical plate and the second vertical plate according to the shape and the size of the detected metal material, the first vertical plate is pushed firstly, the first vertical plate drives the first spring to compress, then the user places the metal material to be detected on the top of the placing plate, the first vertical plate is loosened, the first vertical plate moves under the elastic action of the first spring, meanwhile, the soft cushion at the sliding rod can be tightly attached to the surface of the metal material to be detected under the elastic action of the second spring, then the user rotates the screw rod according to the height of the metal material to be detected, the screw rod drives the thread block to move, and then the rubber column is driven to move, so that the soft cushion at the rubber column can be tightly attached to the surface of the metal material to be detected, the user is according to waiting to detect metal material's length simultaneously, can adjust the position of second riser, and then can tightly fix waiting to detect metal material, thereby the person of facilitating the use fixes metal material different shapes and size, and then the person of facilitating the use carries out the hardness detection to the metal material of equidimension and shape not, current partial hardness detection device for metal material has been solved, when carrying out the hardness detection to metal material, can only fix and then carry out the hardness detection to the metal block or the metal sheet of some specific shapes, can not fix the metal material of different shapes, or it is relatively poor to the metal material fixed effect of different shapes, poor to test sample shape adaptability, hardness detection effect is poor and detection efficiency is low, the problem of user's demand can not fine satisfied.

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 schematic view of the present invention;

FIG. 2 is a schematic structural view of the placing board of the present invention;

fig. 3 is a schematic structural view of the hydraulic cylinder and the ram device of the present invention;

FIG. 4 is an enlarged view of the fixing assembly shown in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of a portion of the present invention at A in FIG. 2;

fig. 6 is a schematic structural view of the rotating rod and the bottom plate of the present invention;

fig. 7 is a schematic structural view of the rotating rod and the telescopic rod of the present invention.

In the figure: 1-detection box body, 2-support rod, 3-connecting rod, 4-fixing component, 41-first empty groove, 42-fixing rod, 43-first spring, 44-first vertical plate, 45-side rod, 46-sliding rod, 47-second empty groove, 48-thread block, 49-rubber column, 5-soft cushion, 6-screw rod, 7-second spring, 8-hydraulic cylinder, 9-connecting column, 10-pressure head device, 11-screw hole, 12-bolt, 13-connecting plate, 14-second vertical plate, 15-rubber cushion, 16-rotating rod, 17-placing plate, 18-telescopic rod, 19-bottom plate, 20-box door, 21-rotating rod, 22-first bevel gear, 23-second bevel gear, 24-cavity and 25-rotating rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in 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.

Please refer to fig. 1 to 7, a hardness detection device for metal material, including placing board 17, the top of placing board 17 is provided with a fixing component 4, fixing component 4 includes a first empty slot 41, a fixing rod 42, a first spring 43, a first vertical plate 44, a side rod 45, a sliding rod 46, a second empty slot 47, a thread block 48 and a rubber column 49, first empty slot 41 has been seted up inside placing board 17, one side fixedly connected with fixing rod 42 of the inner wall of first empty slot 41, the outside cover of fixing rod 42 is equipped with first spring 43, first vertical plate 44 has been welded to one end of first spring 43, one side fixedly connected with side rod 45 of first vertical plate 44, the inside sliding connection of side rod 45 has sliding rod 46, second empty slot 47 has been seted up inside of first vertical plate 44, one side sliding connected with thread block 48 of the inner wall of second empty slot 47, one side fixedly connected with rubber column 49 of thread block 48.

Specifically, please refer to fig. 4, the rubber column 49 and the one end of the sliding rod 46 are fixedly connected with the soft pad 5, the internal thread of the thread block 48 is connected with the screw rod 6, the outside sleeve of the sliding rod 46 is provided with the second spring 7, the bottom of the screw rod 6 is rotatably connected with the bottom of the inner cavity of the second empty groove 47, through the rubber column 49, the sliding rod 46 and the soft pad 5, when the user fixes the metal material to be detected, under the elastic action of the first spring 43 and the rubber column 49, the soft pad 5 can tightly stick to the surface of the metal material to be detected, and further, the metal material to be detected can be tightly fixed.

Referring to fig. 1 to 2, the detection box further comprises a detection box body 1, a support rod 2 is fixedly connected to the bottom of an inner cavity of the detection box body 1, a connecting rod 3 is slidably connected to the inside of the support rod 2, the top of the connecting rod 3 is fixedly connected to the bottom of the placing plate 17, and by arranging the connecting rod 3, when a user adjusts the height of the placing plate 17, the connecting rod 3 is driven to slide inside the support rod 2, so that the placing plate 17 is more stable in movement.

Referring to fig. 1 and 3, a hydraulic cylinder 8 is fixedly connected to the top of the detection box body 1, a connecting column 9 is fixedly connected to a piston rod of the hydraulic cylinder 8, a pressure head device 10 is arranged at the bottom of the connecting column 9, and by arranging the hydraulic cylinder 8, when a user detects the hardness of a metal material, the hydraulic cylinder 8 is started, and the hydraulic cylinder 8 drives the pressure head device 10 to move, so that the hardness of the metal material to be detected is detected.

Referring to fig. 2 and 5, the bolt 12 is connected to the inner thread of the placing plate 17, the connecting plate 13 is connected to the outer thread of the bolt 12, the connecting plate 13 and the placing plate 17 are provided with the screw holes 11 matched with the bolt 12, and by arranging the bolt 12, the screw hole 11 and the connecting plate 13, a user can adjust the position of the connecting plate 13 according to the length of the metal material to be detected, and further can detect the hardness of the metal material to be detected with different lengths.

Referring to fig. 4, a second vertical plate 14 is fixedly connected to one side of the connecting plate 13, a rubber pad 15 is arranged on one side of the second vertical plate 14, and by arranging the second vertical plate 14 and the rubber pad 15, the rubber pad 15 can be tightly attached to the surface of the metal material to be detected, so as to fix the metal material to be detected with different lengths.

Please refer to fig. 5, the inside of the detection box body 1 is rotated and is connected with the dwang 16, and the inside threaded connection of the dwang 16 has the telescopic link 18, and through setting up the dwang 16 and the telescopic link 18, the user can adjust the height of placing the board 17 to be convenient for carry out the hardness detection to metal material.

Referring to fig. 1, a bottom plate 19 is fixedly connected to the bottom of the detection box body 1, a box door 20 is rotatably connected to the front surface of the detection box body 1 through a hinge, supporting legs 21 are fixedly connected to four corners of the bottom plate 19, and by arranging the box door 20, a user can place a metal material to be detected on the top of the placing plate 17.

Referring to fig. 6, a first bevel gear 22 is fixedly connected to an outer side of the rotating rod 16, a second bevel gear 23 is connected to an outer side of the first bevel gear 22 in a meshing manner, the first bevel gear 22 can be driven to rotate by the rotation of the second bevel gear 23 through the arrangement of the first bevel gear 22 and the second bevel gear 23, and further the rotating rod 16 can be driven to rotate by the first bevel gear 22.

Referring to fig. 6, a rotating rod 25 is fixedly connected to an inner ring of the second bevel gear 23, a cavity 24 which is used together with the rotating rod 25, the first bevel gear 22 and the second bevel gear 23 is formed inside the bottom plate 19, and a user rotates the rotating rod 25, the rotating rod 25 drives the second bevel gear 23 to rotate, the second bevel gear 23 can drive the first bevel gear 22 to rotate, and the user can adjust the height of the placing plate 17.

The utility model discloses in, the user need carry out hardness to metal material and examine time measuring, at first open chamber door 20, then the user is according to the width of waiting to detect metal material, promote first riser 44, first riser 44 drives first spring 43 compression, then the user will wait to detect metal material and place the top of placing board 17, the user loosens first riser 44, under the spring action of first spring 43, first riser 44 moves, simultaneously under the spring action of second spring 7, make the cushion 5 of slide bar 46 department closely laminate with the surface of waiting to detect metal material, then the user is according to waiting to detect metal material's height, the rotation screw rod 6, screw rod 6 drives the motion of thread piece 48, thread piece 48 drives rubber column 49 motion, thereby make the cushion 5 motion of rubber column 49 department to wait to detect metal material surface, under the spring action of rubber column 49, will wait to detect metal material and tightly fix, the user rotates bolt 12 simultaneously, make bolt 12 break away from screw 11, place the inside of board 17 and connecting plate 13, the user adjusts the position of second riser 14, then rotate bolt 12, make connecting plate 13 and actuating cylinder 10 closely fix the hardness of waiting to detect the pressure head material, thereby the hardness of pressing head of pressing cylinder 8 drives the hardness of waiting to detect the hardness of pressing head of pressing.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A hardness testing device for metal materials is characterized in that: including placing board (17), the top of placing board (17) is provided with fixed subassembly (4), fixed subassembly (4) include first dead slot (41), dead lever (42), first spring (43), first riser (44), side lever (45), slide bar (46), second dead slot (47), screw block (48) and rubber column (49), first dead slot (41) have been seted up to the inside of placing board (17), one side fixedly connected with dead lever (42) of first dead slot (41) inner wall, the outside cover of dead lever (42) is equipped with first spring (43), first riser (44) have been welded to the one end of first spring (43), one side fixedly connected with side lever (45) of first riser (44), the inside sliding connection of side lever (45) has slide bar (46), second dead slot (47) have been seted up to the inside of first riser (44), one side sliding connection of second dead slot (47) inner wall has screw block (48), one side fixedly connected with rubber column (49) of screw block (48).

2. The hardness testing device for a metal material according to claim 1, wherein: the equal fixedly connected with cushion (5) of one end of rubber column (49) and slide bar (46), the outside cover of slide bar (46) is equipped with second spring (7), the internal thread of screw thread piece (48) is connected with screw rod (6), the bottom of screw rod (6) is connected with the bottom rotation of second dead slot (47) inner chamber.

3. The hardness testing device for a metal material according to claim 1, wherein: still include detection case body (1), bottom fixedly connected with bracing piece (2) of detection case body (1) inner chamber, the inside sliding connection of bracing piece (2) has connecting rod (3), the top of connecting rod (3) and the bottom fixed connection who places board (17).

4. The hardness tester for metal materials according to claim 3, wherein: the top fixedly connected with pneumatic cylinder (8) of detection case body (1), the piston rod fixedly connected with spliced pole (9) of pneumatic cylinder (8), the bottom of spliced pole (9) is provided with pressure head device (10).

5. The hardness testing device for a metal material according to claim 1, wherein: the bolt (12) is connected to the inner threads of the placing plate (17), the connecting plate (13) is connected to the outer side of the bolt (12) in a threaded mode, and the connecting plate (13) and the placing plate (17) are internally provided with screw holes (11) matched with the bolt (12) in use.

6. The hardness tester for metal materials according to claim 5, wherein: one side fixedly connected with second riser (14) of connecting plate (13), one side of second riser (14) is provided with rubber pad (15).

7. The hardness testing device for a metal material according to claim 3, wherein: the inside of detection case body (1) rotates and is connected with dwang (16), the inside threaded connection of dwang (16) has telescopic link (18).

8. The hardness testing device for a metal material according to claim 7, wherein: the bottom fixedly connected with bottom plate (19) of detection case body (1), the front surface of detection case body (1) is connected with chamber door (20) through hinge rotation, the equal fixedly connected with supporting leg (21) in four corners of bottom plate (19) bottom.

9. The hardness testing device for a metal material according to claim 8, wherein: the outside fixedly connected with first conical gear (22) of dwang (16), the outside meshing of first conical gear (22) is connected with second conical gear (23).

10. The hardness testing device for a metal material according to claim 9, wherein: the inner ring of the second bevel gear (23) is fixedly connected with a rotating rod (25), and a cavity (24) matched with the rotating rod (25), the first bevel gear (22) and the second bevel gear (23) for use is formed in the bottom plate (19).