CN210322653U

CN210322653U - Rockwell hardness detector

Info

Publication number: CN210322653U
Application number: CN201921312014.1U
Authority: CN
Inventors: 高军
Original assignee: Jiangsu Shitong Instrument Detection Service Co ltd
Current assignee: Jiangsu Shitong Instrument Detection Service Co ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-04-14
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a rockwell hardness detector, including fuselage, lead screw hand wheel subassembly, experimental power loading subassembly, a serial communication port, the fuselage is the C style of calligraphy, including the lower xarm that connects gradually, erect arm and last xarm, lower xarm, erect arm and last xarm integrated into one piece, the xarm still is equipped with the off-load handle down, emergency stop button, the built-in control box that is equipped with of fuselage perpendicular arm, lead screw hand wheel unit mount is on xarm down, experimental power loading subassembly is installed at last xarm lower surface, experimental power loading subassembly includes carousel, pressure head, the carousel is located last xarm lower surface perpendicularly, the pressure head is connected in the fixed slot of carousel, the carousel includes fixed disk, rolling disc, be equipped with the axis of rotation in the middle of the fixed disk, it is equipped with the touch-control display screen to go up the connection of arm front end, the touch-control display screen is connected with the control box in the, Repeated error and human error improve the detection precision, can realize being detected article short-term test.

Description

Rockwell hardness detector

Technical Field

The utility model belongs to the technical field of the hardness testing technique and specifically relates to a rockwell hardness detector is related to.

Background

The Rockwell hardness tester is designed according to the Rockwell hardness test principle in the world, can test the metal hardness only by contacting a sample on one side, adsorbs a probe of the Rockwell hardness tester on the surface of steel by virtue of magnetic force, does not need to support the sample, can finish the test only by contacting on one side, and meets the test precision standard.

Present most desk-top rockwell hardness detector use the same drum reading mechanism of similar micrometer, the reading is convenient, but along with time, drum reading mechanism can be ageing, the error appears, the influence detects the accuracy, artifical manual detection, the measurement personnel of difference detect the result that reachs and have the deviation on the certain degree, same measurement personnel detect probably because the dynamics is different when detecting many times, also can lead to the testing result error to appear, the pressure head of rockwell hardness detector often needs to be changed in addition, the precision of pressure head also can influence the testing result, it redetects to go to change the pressure head again, can be too loaded down with trivial details.

Disclosure of Invention

The utility model provides a rockwell hardness detector for overcoming the defects, which adopts the following technical scheme.

The Rockwell hardness detector comprises a machine body, a lead screw hand wheel device and a test force loading device, and is characterized in that the machine body is C-shaped and comprises a lower cross arm, a vertical arm and an upper cross arm which are sequentially connected, wherein the lower cross arm, the vertical arm and the upper cross arm are integrally formed, an unloading handle is installed on the right side of the lower cross arm through screws, an emergency stop button is embedded at the front end of the lower cross arm, a control box is installed in the vertical arm of the machine body through screws, the lead screw hand wheel device is installed on the upper end surface of the lower cross arm through screws, the lead screw hand wheel device comprises a workbench, a lead screw table, a lead screw and a hand wheel, the upper end surface of the lower cross arm is connected with the hand wheel through screws, the lead screw table is arranged on the hand wheel, the hand wheel is connected with the middle of the lead screw table through a lead screw, the pressure head, the carousel passes through the screw fixation perpendicularly and goes up the terminal surface under the cantilever, and the pressure head tail end is fixed in the fixed slot of carousel.

The carousel includes fixed disk, rolling disc, axis of rotation, and the axis of rotation afterbody passes through screwed connection to be fixed in the middle of the fixed disk, and the axis of rotation front end passes through screwed connection in the middle of the rolling disc, the rolling disc on be equipped with the three fixed slot that is isosceles triangle and distributes, the rolling disc terminal surface is the inclined plane, and wherein two fixed slots are located shorter one side, the fixed disk is equipped with the tooth that is 120 distribution intermeshing with the rolling disc outer lane.

The front end of the upper cross arm is connected with a touch display screen, the touch display screen is in circuit connection with a control box in the machine body, and the touch display screen controls the operation pressure head to apply main test force for detection and data observation.

The machine body is internally provided with a control box, a lead screw hand wheel device, a test force loading device, an unloading handle and an emergency stop button, the control box, the lead screw hand wheel device, the test force loading device, the unloading handle and the emergency stop button are mutually connected through circuits, a lead screw table of the lead screw hand wheel device can be controlled to rotate in the vertical direction to reciprocate through operating a touch display screen, a rotating disc of the test force loading device and a rotating shaft can do circular motion, and the emergency stop button can be pressed to emergently stop the work of the lead screw hand wheel device.

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

1. the touch display screen is used for operating, the time, the repeated errors and the human errors required by detection are greatly shortened, the test force is uniformly applied during detection, automatic and fast operation is realized, and the detection precision is improved.

2. Through the pressure heads of a plurality of same specifications or different specifications that the carousel pre-installation is good, can realize being detected the object short-term test to and reduced the detection error that the pressure head damaged and brought.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the present invention.

Fig. 3 is a left side view structure diagram of the present invention.

Fig. 4 is a partially enlarged schematic view of the present invention.

In the figure: 1. the device comprises a body, 2, an emergency stop button, 3, an unloading handle, 4, a touch display screen, 5, a rotary table, 6, a pressure head, 7, a screw rod table, 8, a workbench, 9, a screw rod, 10, a hand wheel, 11, an upper cross arm, 12, a vertical arm, 13, a lower cross arm, 14, a screw rod hand wheel device, 15, a test force loading device, 50, a rotary disc, 51, a fixed disc, 52, a rotary shaft, 53 and a fixed groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses a theory of operation is:

referring to fig. 1 to 4, in an embodiment of the present invention, a rockwell hardness tester includes a machine body 1, a lead screw handwheel device 14, and a test force loading device 15, wherein the machine body 1 is C-shaped, and includes a lower cross arm 13, a vertical arm 12, and an upper cross arm 11 connected in sequence, the lower cross arm 13, the vertical arm 12, and the upper cross arm 11 are integrally formed, an unloading handle 3 is installed on the right side of the lower cross arm 13 through a screw, an emergency stop button 2 is embedded at the front end of the lower cross arm 13, a control box is installed in the vertical arm 12 of the machine body through a screw, the lead screw handwheel device 14 is installed on the upper end surface of the lower cross arm 13 through a screw, the lead screw handwheel device 14 is installed on the lower cross arm 13, the lead screw handwheel device 14 includes a workbench 8, a lead screw platform 7, a lead screw 9, and a handwheel 10, the handwheel 10 is installed on the upper surface of, the horizontal workstation 8 of placing on lead screw platform 7, experimental power loading device 15 passes through the screw installation at last xarm 11 lower surface, and experimental power loading device 15 includes carousel 5, pressure head 6, and carousel 5 passes through the screw fixation perpendicularly and goes up terminal surface under the xarm 11, and the pressure head 6 tail end is fixed in the fixed slot 3 of carousel 5, cleans the measured object holding surface and arranges in workstation 8, and rotatory hand wheel 10 makes workstation 8 slowly rise and jack-up pressure head 6, exerts the experimental power, detects measured object hardness.

As shown in fig. 4, preferably, the rotating disc 5 includes a fixed disc 50, a rotating disc 51, and a rotating shaft 52, the tail of the rotating shaft 52 is fixed in the middle of the fixed disc 50 through a screw connection, the front end of the rotating shaft 52 is connected in the middle of the rotating disc 51 through a screw connection, the rotating disc 51 is provided with three fixing slots 53 distributed in an isosceles triangle, the end surface of the rotating disc 51 is an inclined surface, two fixing slots 53 are located on a shorter side, the outer rings of the fixed disc 50 and the rotating disc 51 are provided with teeth distributed in 120 ° and engaged with each other, and when the teeth of the fixed disc 50 and the rotating disc 51 are engaged, the rotating disc; when the rotating disc 51 rotates, the meshed teeth are loosened, the rotating shaft 52 rotates to rotate to the proper pressure head 6, the rotating disc 51 and the fixed disc 50 are tightly sucked, and the teeth are meshed to ensure the coaxiality of the pressure head 6.

As shown in fig. 1, preferably, the front end of the upper cross arm 11 is connected to a touch display screen 4, the touch display screen 4 is connected to a control box circuit in the machine body 1, and the touch display screen 4 controls the operation pressure head 6 to apply a main test force for detection and data observation.

As shown in fig. 3, preferably, the control box installed in the machine body is connected to the lead screw handwheel device 14, the test force loading device 15, the unloading handle 3, the emergency stop button 2, and the rotary disk 5 through circuits, and the touch display screen 4 is operated to control the lead screw table 7 of the lead screw handwheel device 14 to perform reciprocating motion in the vertical direction, and the rotary disk 51 and the rotary shaft 52 of the test force loading device 15 to perform circular motion, so that the operation of the lead screw handwheel device 14 and the test force loading device 15 can be stopped emergently by pressing the emergency stop button 2 through the control box.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A Rockwell hardness detector comprises a machine body, a lead screw hand wheel device and a test force loading device, and is characterized in that the machine body is C-shaped and comprises a lower cross arm, a vertical arm and an upper cross arm which are sequentially connected, the lower cross arm, the vertical arm and the upper cross arm are integrally formed, an unloading handle is installed on the right side of the lower cross arm through screws, an emergency stop button is embedded at the front end of the lower cross arm, a control box is installed in the vertical arm of the machine body through screws, the lead screw hand wheel device is installed on the upper end surface of the lower cross arm through screws, the lead screw hand wheel device comprises a workbench, a lead screw table, a lead screw and a hand wheel, the upper end surface of the lower cross arm is provided with the hand wheel, the hand wheel is provided with the lead screw table in an upward stretching mode, the hand wheel is connected with the lead screw table through the lead screw, the workbench is horizontally, the turntable is vertically fixed on the lower end face of the upper cross arm through screws, and the tail end of the pressure head is fixed in a fixing groove of the turntable.

2. The rockwell hardness tester according to claim 1, wherein the turntable comprises a fixed disk, a rotating disk and a rotating shaft, the tail of the rotating shaft is fixed in the middle of the fixed disk through a screw connection, the front end of the rotating shaft is connected in the middle of the rotating disk through a screw connection, the rotating disk is provided with three fixing grooves distributed in an isosceles triangle shape, the end surface of the rotating disk is an inclined surface, two of the fixing grooves are located on a shorter side, and the fixed disk and the outer ring of the rotating disk are provided with teeth which are mutually meshed in a 120-degree distribution.

3. The rockwell hardness detector according to claim 1, wherein a touch display screen is connected to the front end of the upper cross arm, the touch display screen is connected to a control box circuit in the machine body, and the touch display screen controls the operation pressure head to apply a main test force for detecting and observing data.

4. The rockwell hardness detector according to claim 1, wherein a control box installed in the machine body is connected with the lead screw hand wheel device, the test force loading device, the emergency stop button and the rotary table through circuits, the lead screw table of the lead screw hand wheel device can be controlled to rotate and reciprocate in the vertical direction through operating the touch display screen, the rotary table of the test force loading device and the rotary shaft make circular motion, and the lead screw hand wheel device and the test force loading device can be stopped emergently by pressing the emergency stop button through the control box.