CN118896864A - A device for testing the hardness of steel castings - Google Patents

Abstract

The present invention discloses a device for detecting the hardness of steel castings, including a storage table and a base at the top, a discharging channel fixedly connected to the top of the base, a storage box connected to the top of the discharging channel, an automatic discharging structure arranged at the lower end of the storage box, a sliding groove arranged at the bottom of the inner cavity of a material placement slot, an installation groove arranged in the inner cavity of the discharging channel, a buffer assembly arranged in the inner cavity of the installation slot, a through groove arranged on one side of the material placement slot, a moving groove arranged at one end of the material placement slot, a driving structure arranged between the inner cavity of the material placement slot, the sliding groove, the through groove, the moving groove and the surface of the storage table, and the present invention relates to the field of hardness detection technology. The device for detecting the hardness of steel castings solves the problem that the accuracy of hardness data is ensured, and therefore multiple points need to be detected, but the detection of multiple points requires manual position adjustment, which is troublesome, and in addition, the purpose of continuous automatic feeding detection cannot be achieved, thereby improving the detection effect.

Description

A device for testing the hardness of steel castings

Technical Field

The invention relates to the technical field of hardness detection, in particular to a device for detecting the hardness of a steel casting.

Background Art

Steel casting hardness testing refers to the process of testing the hardness of cast steel parts. Hardness testing can determine the hardness level of steel castings, which is very important to ensure the quality and performance of parts. Hardness testing is usually performed using a hardness tester or other specialized testing equipment. The results of hardness testing can help manufacturers evaluate the strength, wear resistance and other important characteristics of the material.

After searching the patent number CN217331915U, it is specifically a hardness testing device for steel casting production, including a fixed support plate, an adjusting knob, a threaded screw, a threaded sleeve, a positioning clamping plate, an auxiliary fixing assembly, a bottom support platform, a first rubber anti-skid pad and a positioning groove. The bottom support platform is installed on the upper side of the testing platform, and fixed support plates are installed on the left and right sides of the upper end surface of the bottom support platform. A positioning groove is opened inside the bottom support platform, a threaded sleeve is installed inside the fixed support plate, a threaded screw is installed laterally inside the threaded sleeve, an adjusting knob is installed on the outer end surface of the threaded screw, a positioning clamping plate is installed on the inner end surface of the threaded screw, a first rubber anti-skid pad is installed on the inner side of the positioning clamping plate, and an auxiliary fixing assembly is arranged inside the positioning groove. This design solves the problem that the original hardness testing device does not have a clamping and fixing structure, cannot clamp and fix the test sample of the steel casting, and the test sample of the steel casting will tip over during testing;

Patent No. CN215492942U was also retrieved, which is specifically a hardness detection device for steel castings, including a mounting box, a transmission mechanism is provided in the mounting box, a detection platform is fixed on the upper end of the mounting box, mounting platforms are fixed on both ends of the top of the detection platform, a through hole is provided on the mounting platform, a moving rod is slidably sleeved in the through hole, one end of the moving rod is detachably connected to a second clamp, a mounting groove is provided on one side of the mounting platform, a limiting ring is fixedly sleeved on the moving rod, a spring is sleeved on the moving rod, one end of the spring abuts on one side of the mounting groove, and the other end of the spring abuts on one side of the limiting ring, one end of the moving rod is rotatably connected to a rotating arm, and a fixed block is fixed on the lower end of one side of the mounting platform. The utility model can not only firmly fix the steel castings and improve the efficiency of the hardness detection operation, but also greatly guarantee the personal safety of the staff, and has high practicality.

The above CN215492942U and CN217331915U both achieve the clamping effect when testing the hardness of steel castings. However, in order to ensure the accuracy of the hardness data during the testing process, multiple points need to be tested. However, testing multiple points requires manual position adjustment, which is more troublesome. In addition, the purpose of continuous automatic feeding testing cannot be achieved, thereby improving the testing effect.

Summary of the invention

In view of the shortcomings of the prior art, the present invention provides a hardness detection device for steel castings, which solves the problem of ensuring the accuracy of hardness data. Therefore, it is necessary to detect multiple points. However, detecting multiple points requires manual position adjustment, which is more troublesome. In addition, it cannot achieve the purpose of continuous automatic feeding detection, thereby improving the detection effect.

To achieve the above objectives, the present invention is implemented through the following technical solutions: a cast steel hardness detection device, comprising a storage table and a base at the top, the top of the base is fixedly connected with a discharge channel, and the top of the discharge channel is connected to a storage box, and the lower end of the storage box is provided with an automatic discharge structure, the surface of the storage table is integrally provided with a material placement groove, and the bottom of the inner cavity of the material placement groove is provided with a sliding groove, the inner cavity of the discharge channel is provided with an installation groove, and the inner cavity of the installation groove is provided with a buffer assembly, one side of the material placement groove is provided with a through groove, and one end of the material placement groove is provided with a movable groove, and a driving structure is provided between the inner cavities of the material placement groove, the sliding groove, the through groove, the movable groove and the surface of the storage table.

Preferably, the driving structure includes a driving motor, a vertical plate and a monitoring component, and the surfaces of the vertical plate are respectively provided with cylinder 1 and a double-headed cylinder, and one end of cylinder 1 is fixedly connected to a mounting frame, and a rotating rod is rotatably sleeved in the inner cavity of the mounting frame, and a roller is fixedly sleeved on the surface of the rotating rod, and the output end of the vertical plate and one end of the rotating rod are respectively fixedly connected to gear 2 and gear 1, and gear 1 and gear 2 are meshed with each other, and the surface of the gear 2 is fixedly connected to a screw rod, and the surface of the screw rod is threadedly sleeved with an arc-shaped push plate.

Preferably, the monitoring assembly includes an L-mounting plate and a connecting rod, and a cylinder 2 is fixedly sleeved on the top, a hardness tester is fixedly mounted on the bottom of the cylinder 2 through a mounting sleeve, a cross groove is provided on the surface of the L-mounting plate, and both ends of the connecting rod are rotatably connected to rotating parts.

Preferably, the roller protrudes out of the port of the mounting frame, and the driving motor fixing mounting frame is fixedly connected to the side of the base, the vertical plate is fixedly connected to the surface of the base, and the mounting frame is slidably sleeved in the inner cavity of the through groove, the rotating rod passes through the inner cavity of the movable groove, the screw rod is rotatably sleeved in the inner cavity of the sliding groove, and the bottom of the arc-shaped push plate fits with the inner cavity of the sliding groove.

Preferably, the bottom of the L-mounting plate is rotatably connected to the top of the material placement trough via a hinge, and the rotating parts are respectively slidably sleeved in the inner cavity of the cross slide and fixedly connected to the other end of the double-headed cylinder.

Preferably, the buffer assembly includes a buffer strip, the bottom of which is symmetrically fixedly connected with a spring, and the buffer strip is slidably sleeved in the inner cavity of the mounting groove, and the spring is fixedly connected to the bottom of the inner cavity of the mounting groove.

Preferably, the automatic discharging structure includes an insert plate, a baffle plate, gear four and a motor, and racks are provided on opposite sides of both ends of the insert plate and the baffle plate, gear three is meshingly connected between the racks, a rotating rod is fixedly connected to the surface of the gear three, and gear five is fixedly sleeved on the surface of the rotating rod.

Preferably, the motor is installed on the side of the storage box through a motor mounting plate, and the output end of the motor is fixedly connected to gear four, and gear four is rotatably sleeved on the side of the storage box through a connecting rod and one end of a rotating rod.

Preferably, the opposite ends of the plug plate and the baffle are triangular in shape and are slidably sleeved in the inner cavity of the storage box. There are gaps between the two ends of the plug plate and the baffle and the main body, and the gear five and the gear four are meshed and connected with each other.

Preferably, the bottom of the storage table is provided with supporting feet, the surface of the storage table is provided with a storage door, the side of the base is provided with a control panel, and the side of the base is provided with a slide.

The present invention provides a device for detecting the hardness of steel castings. Compared with the prior art, the device has the following beneficial effects:

1. The hardness detection device for steel castings starts the motor, and the output end of the motor drives one of the gears four to rotate, and then rotates with the other gear four. The two gears four mesh with the gear five and rotate. After the gear five rotates, it drives the two gears three to rotate in the opposite direction through the rotating rod, and is connected with the rack through meshing, thereby driving the opening and closing plug plate to close and move in the inner cavity of the storage box. During the movement, the triangular plug plate will be inserted between the contact of the two steel castings, thereby blocking the upper steel casting, and at the same time driving the closed baffle to open and close in the inner cavity of the storage box, so that the first steel casting between the plug plate and the baffle will roll from the storage box to the inner cavity of the discharge channel, thereby realizing the effect of automatic continuous detection.

2. The hardness detection device for steel castings, when the first steel casting rolls, will be blocked by the buffer strip to buffer the rolling force of the steel casting, and as the steel casting is squeezed, the buffer strip is driven to extend and retract downward in the inner cavity of the installation groove under the elastic force of the spring, and finally the steel casting enters the inner cavity of the material placement groove to avoid direct impact on the material placement groove.

3. The hardness testing device for steel castings starts the driving motor, which drives gear 2 and the lead screw to rotate, and drives the steel casting to move through the arc-shaped push plate. Secondly, the meshing gear 1 drives the roller on the rotating rod to rotate, thereby driving the steel casting to rotate and realize rotational movement. The hardness of multiple parts can be tested to make the test data more accurate.

4. The casting hardness testing device is retracted by starting the double-headed cylinder, and the two rotating parts will pull the connecting rod to rotate. Secondly, the rotating part at the upper end will slide in the inner cavity of the cross slide. At the same time, the L mounting plate is driven to rotate on the end surface of the material placement groove through the hinge, and one end of the L mounting plate is against the port of the discharge channel, which can be automatically retracted and released.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the structure of the present invention;

FIG2 is a partial schematic diagram of the structure of the present invention;

FIG3 is a partial schematic diagram of the structure of the present invention;

FIG4 is a partial enlarged schematic diagram of point A in the structural diagram 3 of the present invention;

FIG5 is a schematic diagram of a storage box structure of the present invention;

FIG6 is a schematic diagram of the automatic discharging structure of the present invention;

FIG7 is a schematic diagram of a structural plug plate and a baffle of the present invention;

FIG8 is a schematic diagram of a structural buffer assembly of the present invention;

FIG9 is a schematic diagram of a structural drive structure of the present invention;

FIG10 is a partial schematic diagram of the structural driving structure of the present invention;

FIG11 is a partial second schematic diagram of the structural driving structure of the present invention;

FIG12 is a schematic diagram of an arc-shaped push plate and a lead screw of the present invention;

FIG. 13 is a schematic diagram of a structural monitoring assembly of the present invention.

In the figure: 1, storage table; 2, base; 3, slide; 4, drive structure; 41, drive motor; 42, vertical plate; 43, cylinder 1; 44, double-headed cylinder; 45, mounting frame; 46, gear 1; 47, gear 2; 48, arc push plate; 49, monitoring component; 491, L mounting plate; 492, cylinder 2; 493, mounting sleeve; 494, hardness tester; 495, connecting rod; 496, rotating part; 497, cross slide; 410, rotating rod; 411. roller; 412. screw rod; 5. control panel; 6. discharge channel; 7. storage box; 8. automatic discharge structure; 81. plug plate; 82. baffle plate; 83. motor; 84. motor mounting plate; 85. rack; 86. rotating rod; 87. gear three; 88. gear four; 89. gear five; 9. buffer assembly; 91. buffer strip; 92. spring; 10. mounting slot; 11. through slot; 12. moving slot; 13. material placement slot; 14. sliding slot.

DETAILED DESCRIPTION

The technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

Please refer to Figures 1-4. The embodiment of the present invention provides a technical solution: a casting hardness detection device, including a storage table 1 and a base 2 at the top, the bottom of the storage table 1 is provided with supporting feet, and the surface of the storage table 1 is provided with a storage door, and the side of the base 2 is provided with a control panel 5, the inner cavity of the storage table 1 is provided with a block to form a storage space, the top of the base 2 is fixedly connected with a discharge channel 6, and the top of the discharge channel 6 is connected with a storage box 7, and the lower end of the storage box 7 is provided with an automatic discharge structure 8, the surface of the storage table 1 is integrally provided with a material placement groove 13, and the side of the base 2 is provided with a storage door. A slideway 3 is arranged on the surface, wherein the slideway 3 and the material placement trough 13 are arc-shaped and connected to one end of the material placement trough 13 for sliding the unloading of the cast steel parts, and a sliding groove 14 is arranged at the bottom of the inner cavity of the material placement trough 13, a mounting groove 10 is arranged in the inner cavity of the discharge channel 6, and a buffer component 9 is arranged in the inner cavity of the mounting groove 10, a through groove 11 is arranged on one side of the material placement trough 13, and a movable groove 12 is arranged at one end of the material placement trough 13, and a driving structure 4 is arranged between the inner cavities of the material placement trough 13, the sliding groove 14, the through groove 11, the movable groove 12 and the surface of the storage table 1.

The driving structure 4 includes a driving motor 41, a vertical plate 42 and a monitoring component 49, and the driving motor 41 is fixedly mounted on the side of the base 2, the vertical plate 42 is fixedly connected to the surface of the base 2, and the surface of the vertical plate 42 is respectively provided with a cylinder 1 43 and a double-headed cylinder 44, wherein the number of the cylinder 1 43 and the double-headed cylinder 44 are three and one respectively, and one end of the cylinder 1 43 is fixedly connected with a mounting frame 45, and the mounting frame 45 is slidably sleeved in the inner cavity of the through groove 11, and the inner cavity of the mounting frame 45 is rotatably sleeved with a rotating rod 410, the rotating rod 410 passes through the inner cavity of the movable groove 12, and the surface of the rotating rod 410 is fixedly sleeved with a roller 411, and the roller 411 protrudes out of the port of the mounting frame 45, and can contact the surface of the cast steel part through the protruding roller 411, and drive the cast steel part to rotate.

The output end of the vertical plate 42 and one end of the rotating rod 410 are respectively fixedly connected with the gear 2 47 and the gear 1 46, and the gear 1 46 and the gear 2 47 are meshed with each other. The surface of the gear 2 47 is fixedly connected with the screw rod 412, and the surface of the screw rod 412 is threadedly sleeved with an arc-shaped push plate 48. The screw rod 412 is rotatably sleeved in the inner cavity of the sliding groove 14, and the bottom of the arc-shaped push plate 48 fits the inner cavity of the sliding groove 14. After the gear 1 46 and the gear 2 47 are meshed and rotated, the screw rod 412 and the rotating rod 410 are both rotated, so that the arc-shaped push plate 48 can not only push the cast steel part, but also drive the cast steel part to rotate.

The monitoring assembly 49 includes an L mounting plate 491 and a connecting rod 495. The bottom of the L mounting plate 491 is rotatably connected to the top of the material placement tank 13 through a hinge, and a cylinder 492 is fixedly sleeved on the top of the 419. A hardness tester 494 is fixedly installed on the bottom of the cylinder 492 through a mounting sleeve 493. A cross groove 497 is opened on the surface of the L mounting plate 491. Both ends of the connecting rod 495 are rotatably connected to a rotating member 496, and the rotating member 496 is respectively slidably sleeved on the cross groove 497. 7 inner cavity and fixedly connected to the other end of the double-headed cylinder 44, the rotating member 496 at the upper end of the connecting rod 495 slides in the inner cavity of the cross slide 497, and the rotating member 496 at the lower end is fixed on one end of the double-headed cylinder 44, so that the double-headed cylinder 44 can be extended and retracted, and the upper and lower rotating members 496 can be rotated and moved to drive the connecting rod 495 to rotate adaptively, and pull the L mounting plate 491 to rotate, so that the cylinder 492 will leave the top of the material placement groove 13, and will not affect the unloading of the cast steel parts.

The buffer assembly 9 includes a buffer strip 91, the bottom of which is symmetrically fixedly connected with a spring 92, and the buffer strip 91 is slidably sleeved in the inner cavity of the mounting groove 10, and the spring 92 is fixedly connected to the bottom of the inner cavity of the mounting groove 10. The spring 92 drives the buffer strip 91 to extend and retract in the inner cavity of the mounting groove 10, which can buffer the unloading of the cast steel parts and avoid direct impact on the material placement groove 13.

The automatic discharging structure 8 includes a plug plate 81, a baffle plate 82, a gear four 88 and a motor 83. The motor 83 is installed on the side of the storage box 7 through a motor mounting plate 84, and the output end of the motor 83 is fixedly connected to the gear four 88. The plug plate 81 and the baffle plate 82 are provided with a rack 85 on the opposite sides of both ends. The racks 85 are meshed with a gear three 87. The surface of the gear three 87 is fixedly connected to a rotating rod 86, and the surface of the rotating rod 86 is fixedly sleeved with a gear five 89. The gear four 88 is rotatably sleeved on the storage box 7 through a connecting rod and one end of the rotating rod 86. On the side of the material box 7, gear five 89 and gear four 88 are meshed and connected with each other, wherein the number of gear four 88, gear five 89 and gear three 87 are two, and the output end of the motor 83 can be connected to any type of gear four 88, and the driving function is started. When the motor 83 drives the gear four 88 to mesh and rotate, it will also drive the gear five 89 to mesh and rotate. Finally, the rotating rod 86 drives the rotating rod 86 to mesh with the rack 85, thereby driving the left and right plug plates 81 and baffles 82 to close and open respectively.

Furthermore, the motor 83 and the drive motor 41 can realize forward and reverse rotation, and their models are 7IK400GN-CF and 6RK250GU-CF respectively. Among them, the hardness tester 494 is a hardness tester device that implements the load force on the measurement sample through different principles and obtains the hardness value of the measurement sample material through the calculation formula. It is often used in metal and non-metal industries such as steel, casting, heat treatment, automotive parts, bearings, rubber and plastics. Hardness refers to the ability of a material to resist the pressure of hard objects on its surface locally, and is one of the important performance indicators of metal materials.

The opposite ends of the plug plate 81 and the baffle plate 82 are triangular in shape and are slidably sleeved in the inner cavity of the storage box 7. There is a gap between the two ends of the plug plate 81 and the baffle plate 82 and the main body. The triangular-shaped plug plate 81 and the baffle plate 82 can be easily inserted between the continuously stacked steel castings when closed. In addition, the existing gap facilitates the two ends of the plug plate 81 and the baffle plate 82 to be located on both sides of the storage box 7. In this way, when they can be engaged, the plug plate 81 and the baffle plate 82 main body cannot move in the inner cavity of the storage box 7.

During operation, first, the port of the material storage box 7 can be connected to the external lifting machine, so that the cast steel parts are transported to the inner cavity of the material storage box 7 through the lifting machine in turn for connected stacking. At this time, the plug plate 81 is in an open and closed state in the inner cavity of the material storage box 7, and the baffle 82 is in a closed state. At this time, the cast steel parts will be against the baffle 82. When it is necessary to unload the materials, the motors 83 on both sides are started, and the output end of the motor 83 will drive one of the gears 4 88 to rotate, and then rotate with the other gear 4 88. The two gears 4 88 mesh with the gear 5 89 and rotate. After the gear 5 89 rotates, it will drive the two gears 3 87 to rotate in the opposite direction through the rotating rod 86, and mesh with the rack 85, thereby driving the open and closed plug plate 81 to close and move in the inner cavity of the material storage box 7. During the movement, the triangular plug plate 81 will be inserted into the two cast steel parts When the first steel casting rolls, it will be blocked by the buffer strip 91 to buffer the rolling force of the steel casting, and as the steel casting is squeezed, the buffer strip 91 is driven to extend and retract downward in the inner cavity of the mounting groove 10 under the elastic force of the spring 92, and finally the steel casting enters the inner cavity of the material placement groove 13.

When inspection is required, first start the cylinder 1 43 and the double-headed cylinder 44. Start one end of the cylinder 1 43 to push the mounting frame 45 to slide in the inner cavity of the through groove 11. At the same time, the rotating rod 410 will also move in the moving groove 12, so that the protruding roller 411 will abut against the surface of the cast steel part, and the gear 1 46 will also mesh with the gear 2 47 as it moves. Then start the double-headed cylinder 44 to retract, and the connecting rod 495 will be pulled to rotate through the two rotating parts 496. Secondly, the rotating part 496 at the upper end will slide in the inner cavity of the cross slide 497, and at the same time, the L mounting plate 491 will be driven to rotate on the end face of the material placement groove 13 through the hinge, and one end of the L mounting plate 491 will abut against the port of the discharge channel 6. Start the cylinder 2 492 to move downward, driving the hardness meter 494 to press on the cast steel part for inspection. After the first inspection, the hardness meter 494 is repeatedly inspected. The drive motor 41 is then started, and the drive motor 41 drives the gear 2 47 and the screw rod 412 to rotate, and the screw rod 412 drives the arc push plate 48 to move, pushing the steel casting to move to one side in the inner cavity of the material placement groove 13. At the same time, the gear 2 47 and the gear 1 46 are meshed and connected, which will drive the rotating rod 410 to rotate, so that the roller 411 drives the steel casting to rotate in the material placement groove 13, so that the steel casting is rotated and moves to the detection position and stops. Then the cylinder 2 492 drives the hardness meter 494 to descend again for detection. According to the above steps, the steel casting continues to be driven to rotate and move, so as to realize the hardness detection of different parts. Finally, after the detection is completed, the steel casting can be taken out along the slide 3. Finally, the drive motor 41 is reversed, and the arc push plate 48 is driven to reset by the screw rod 412 to continue the monitoring of the next steel casting.

Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a cast steel hardness detection device, includes base (2) at repository (1) and top, its characterized in that: the utility model discloses a material storage device, including base (2), storage tank (13), sliding tray (14), mounting groove (10), buffer module (9) are provided with in the top fixedly connected with discharge channel (6) of base (2), and the top intercommunication of discharge channel (6) has storage tank (7), and the lower extreme of storage tank (7) is provided with automatic discharging structure (8), the surface integral type of storing platform (1) is provided with material standing groove (13), and sliding tray (14) have been seted up to the bottom of material standing groove (13) inner chamber, mounting groove (10) have been seted up in the inner chamber of discharge channel (6), and mounting groove (10) inner chamber is provided with buffer module (9), logical groove (11) have been seted up to one side of material standing groove (13), and remove groove (12) have been seted up to material standing groove (13), sliding tray (14), lead to between the inner chamber of groove (12) and the surface of storing platform (1) are provided with driving structure (4).

2. The steel casting hardness testing device according to claim 1, wherein: the driving structure (4) comprises a driving motor (41), a vertical plate (42) and a monitoring assembly (49), wherein a first cylinder (43) and a double-head cylinder (44) are respectively arranged on the surface of the vertical plate (42), one end of the first cylinder (43) is fixedly connected with a mounting strip frame (45), an inner cavity of the mounting strip frame (45) is rotationally sleeved with a rotating rod (410), the surface of the rotating rod (410) is fixedly sleeved with a roller (411), the output end of the vertical plate (42) and one end of the rotating rod (410) are respectively fixedly connected with a second gear (47) and a first gear (46), the first gear (46) and the second gear (47) are meshed with each other, the surface of the second gear (47) is fixedly connected with a screw rod (412), and the surface of the screw rod (412) is in threaded sleeve with an arc-shaped push plate (48).

3. The steel casting hardness testing device according to claim 1, wherein: the monitoring assembly (49) comprises an L mounting plate (491) and a connecting rod (495), the top of the connecting rod (419) is fixedly sleeved with a second air cylinder (492), the bottom of the second air cylinder (492) is fixedly provided with a sclerometer (494) through a mounting sleeve plate (493), the surface of the L mounting plate (491) is provided with a cross chute (497), and both ends of the connecting rod (495) are rotationally connected with rotating pieces (496).

4. The steel casting hardness testing device according to claim 2, wherein: the roller (411) protrudes out of a port of the installation strip frame (45), the driving motor (41) is fixedly connected to the side face of the base (2), the vertical plate (42) is fixedly connected to the surface of the base (2), the installation strip frame (45) is in sliding sleeve connection in an inner cavity of the through groove (11), the rotating rod (410) penetrates through the inner cavity of the moving groove (12), the screw rod (412) is in rotating sleeve connection in the inner cavity of the sliding groove (14), and the bottom of the arc pushing plate (48) is mutually attached to the inner cavity of the sliding groove (14).

5. A steel casting hardness testing device according to claim 3, wherein: the bottom of L mounting panel (491) is connected at the top of material standing groove (13) through the hinge rotation, and rotates piece (496) sliding sleeve respectively in cross spout (497) inner chamber and fixed connection on the other end of double-end cylinder (44).

6. The steel casting hardness testing device according to claim 1, wherein: the buffer assembly (9) comprises buffer strips (91), springs (92) are symmetrically and fixedly connected to the bottoms of the buffer strips (91), the buffer strips (91) are sleeved in the inner cavity of the mounting groove (10) in a sliding mode, and the springs (92) are fixedly connected to the bottoms of the inner cavity of the mounting groove (10).

7. The steel casting hardness testing device according to claim 1, wherein: automatic ejection of compact structure (8) are including picture peg (81), baffle (82), gear IV (88) and motor (83), and the opposite one side in picture peg (81) and baffle (82) both ends all is provided with rack (85), the meshing is connected with gear III (87) between rack (85), the fixed surface of gear III (87) is connected with bull stick (86), and the fixed surface of bull stick (86) has cup jointed gear V (89).

8. The steel casting hardness testing device according to claim 7, wherein: the motor (83) is installed on the side face of the storage box (7) through a motor installation plate (84), the output end of the motor (83) is fixedly connected with a gear IV (88), and the gear IV (88) is rotatably sleeved on the side face of the storage box (7) through one ends of a connecting rod and a rotating rod (86).

9. The steel casting hardness testing device according to claim 8, wherein: the opposite ends of the inserting plate (81) and the baffle (82) are triangular, the inserting plate and the baffle are sleeved in the inner cavity of the storage box (7) in a sliding mode, gaps exist between the two ends of the inserting plate (81) and the baffle (82) and the body, and the gear five (89) and the gear four (88) are connected in an intermeshing mode.

10. The steel casting hardness testing device according to claim 1, wherein: the bottom of storing platform (1) is provided with the supporting legs, and the surface of storing platform (1) is provided with the bin gate, and the side of base (2) is provided with control panel (5), the side of base (2) is provided with slide (3).