High-chromium ball hardness detection device

Abstract

The utility model relates to the technical field of high-chromium ball hardness detection, and discloses a high-chromium ball hardness detection device which comprises a bottom plate, a first supporting frame and a second supporting frame are fixedly installed on the two sides of the bottom plate respectively, a top plate is fixedly installed at the upper ends of the first supporting frame and the second supporting frame jointly, and a first electric telescopic rod is fixedly installed on the upper surface of the top plate. A pressing head is arranged at the output end of the first electric telescopic rod, and a bearing assembly is arranged on the upper surface of the bottom plate and located below the pressing head and comprises a containing groove. According to the utility model, through the cooperative control of the cross plate and the servo motor, the high-chromium balls are fed at intervals in order, the falling impact force is reduced in cooperation with a two-stage speed reduction system formed by a spring and an elastic buffer plate in the buffer assembly, the balls are ensured to accurately fall into the circular truncated cone-shaped containing groove to complete positioning, the detection precision is improved, and the detection efficiency is improved. And compared with manual feeding, the safety is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to high chromium ball hardness detection technical field especially relates to a high chromium ball hardness detection device. BACKGROUND

[0002] High chromium alloy cast ball as the key wear-resistant material of mine, cement and other industries, its hardness index directly influences service life, the industry adopts the desktop hardness tester to carry out sampling detection currently, and there is low detection efficiency, automation degree is insufficient and other problems, traditional detection mode needs manual each placement sample, and the operator needs repeatedly adjusting the position of the ball to ensure that the indentation position accords with the standard, this not only increases the labor intensity, and the detection data dispersion increases because of the artificial positioning error, especially for the large high chromium ball with the diameter more than 100mm, its weight can reach more than 50kg, manual handling has the security risk and is difficult to guarantee the positioning accuracy.

[0003] The automatic detection equipment disclosed in the prior art adopts the mechanical arm grabbing mode to feed, but the high chromium ball surface is high in hardness, and the shape regularity deviation is prone to unstable clamping, and the mechanical arm equipment cost is high, part of the improved scheme sets up V type positioning groove at the detection station, but does not consider the displacement deviation problem caused by the ball falling impact, still needs manual auxiliary fixing when detecting, and the existing detection equipment generally lacks multidimensional positioning mechanism, when the pressure head contacts the surface of the ball, only relying on single point pressing is easy to cause the ball to roll and deviate, especially for the ball that is not completely fixed, the displacement of micrometer level in the detection process will cause the hardness value deviation, for this purpose, we propose a high chromium ball hardness detection device. UTILITY MODEL CONTENTS

[0004] The utility model mainly solves the technical problem of the prior art, provides a high chromium ball hardness detection device, solves the problem that the high chromium ball is larger in risk when manually feeding and is prone to displacement when detecting in the prior art.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme, a high chromium ball hardness detection device, including the bottom plate, the both sides of bottom plate are fixedly installed first support frame and second support frame respectively, the top plate is fixedly installed on the upper end of first support frame and second support frame, the first electric telescopic rod is fixedly installed on the top plate upper surface, the pressure head is arranged at the output end of first electric telescopic rod, the supporting assembly is arranged below the pressure head on the bottom plate upper surface, the supporting assembly includes the accommodating groove, the inner cavity of accommodating groove is the circular truncated cone structure of wide top and narrow bottom, the corresponding outside of bottom plate and second support frame is provided with feeding assembly, the feeding assembly includes the feeding channel fixedly connected with second support frame, the buffer assembly is arranged on the side of first support frame close to accommodating groove, and the buffer assembly includes sleeve, sliding rod, spring and buffer plate.

[0006] Preferably, the feeding assembly further comprises a cross plate rotatably installed inside a feeding channel, and a servo motor fixedly installed on an outer wall of the feeding channel, with an output end of the servo motor fixedly connected to a center of the cross plate.

[0007] Preferably, the supporting assembly further comprises a plurality of supporting legs fixedly installed on an upper surface of a base plate, a mounting ring fixedly installed on an upper end of each supporting leg, an outer wall of the accommodating groove fixedly connected to an inner wall of the mounting ring, an electric lifting platform fixedly installed on the upper surface of the base plate below the accommodating groove, a supporting plate fixedly installed on an output end of the electric lifting platform, and the supporting plate arranged inside the accommodating groove.

[0008] Preferably, the buffer assembly is fixed to an outer side of the first supporting frame, a slide rod is slidably installed at an end of the sleeve, a spring is fixedly connected to an outer wall of an end of the slide rod inside the sleeve, an end of the spring away from the slide rod is fixedly connected to an outer wall of the first supporting frame, and the buffer plate is fixedly connected to an outer wall of an end of the slide rod not inside the sleeve.

[0009] Preferably, two second electric telescopic rods are obliquely installed on both sides of the first electric telescopic rod at a bottom surface of the top plate, and rubber pads are arranged at ends of the second electric telescopic rods.

[0010] Preferably, an installation table is fixedly installed on one side of the upper surface of the base plate, a third electric telescopic rod is fixedly installed on an upper surface of the installation table, and an obliquely arranged discharging channel is fixedly installed on the other side of the upper surface of the base plate.

[0011] Preferably, a plurality of grooves are formed in an inner wall of the accommodating groove, and a plurality of balls are rotatably installed in the grooves.

[0012] Advantages

[0013] The high-chromium ball hardness detection device has the following advantages:

[0014] (1) The high-chromium ball hardness detection device realizes the orderly feeding of high-chromium balls at intervals through the cooperative control of the cross plate and the servo motor, reduces the impact force through the two-stage speed reduction system composed of the spring and the elastic buffer plate in the buffer assembly, ensures the accurate positioning of the ball in the circular-truncated-cone-shaped accommodating groove, improves the accuracy during detection, and is safer than manual feeding.

[0015] (2) The high-chromium ball hardness detection device adopts a bidirectional clamping mechanism composed of the second electric telescopic rod and the rubber pad, cooperates with the lifting positioning of the electric lifting platform, forms a three-dimensional space constraint, makes the displacement of the ball extremely small during detection, and prevents the high-chromium ball from deviating when the upper end is stressed. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can also be obtained according to the provided drawings without creative labor.

[0017] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes of the present application, should still fall within the scope of the technical content disclosed by the present application.

[0018] Figure 1 The whole structure of the present application is shown in the schematic diagram.

[0019] Figure 2 The upper feeding channel structure of the present application is shown in the schematic diagram.

[0020] Figure 3 The second electric telescopic rod structure of the present application is shown in the schematic diagram.

[0021] Figure 4 The lower feeding channel structure of the present application is shown in the schematic diagram.

[0022] Figure 5 The present application is shown in the schematic diagram. Figure 2 The enlarged structure of A in the present application is shown in the schematic diagram.

[0023] Legend: 1, bottom plate; 2, first support frame; 3, second support frame; 4, top plate; 5, first electric telescopic rod; 6, supporting leg; 7, containing groove; 8, high chromium ball; 9, upper feeding channel; 10, cross plate; 11, servo motor; 12, pressure head; 13, mounting ring; 14, electric lifting platform; 15, supporting plate; 16, buffer plate; 17, sleeve; 18, ball; 19, sliding rod; 20, spring; 21, second electric telescopic rod; 22, rubber pad; 23, mounting table; 24, third electric telescopic rod; 25, lower feeding channel. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0025] As shown in Figures 1-5 A high-chromium ball hardness detection device, comprising a bottom plate 1, the two side outer walls of the bottom plate 1 are fixedly installed with a first support frame 2 and a second support frame 3 respectively, the upper ends of the first support frame 2 and the second support frame 3 are fixedly installed with a top plate 4 in common, the upper surface of the top plate 4 is fixedly installed with a first electric telescopic rod 5, the output end of the first electric telescopic rod 5 is provided with a pressure head 12, the upper surface of the bottom plate 1 is provided below the pressure head 12 with a supporting assembly, the supporting assembly comprises a containing groove 7, the high-chromium ball 8 is placed in the containing groove 7, the inner cavity of the containing groove 7 is provided in a circular truncated cone shape with a wide upper part and a narrow lower part, the outer side of the bottom plate 1 corresponding to the second support frame 3 is provided with a feeding assembly for feeding the inside of the containing groove 7, the feeding assembly comprises a feeding channel 9, the feeding channel 9 is fixedly connected with the second support frame 3, the side inner wall of the first support frame 2 close to the containing groove 7 is provided with a buffer assembly used in cooperation with the feeding assembly, when the high-chromium ball 8 rolls downward through the inclined feeding channel 9, it can slowly fall into the inside of the containing groove 7 under the buffering action of the buffer assembly.

[0026] As shown in Figure 2 The feeding assembly further comprises a cross plate 10 rotatably installed inside the feeding channel 9, a servo motor 11 is fixedly installed on the outer wall of the feeding channel 9 corresponding to the center position of the cross section of the cross plate 10, the output end of the servo motor 11 is fixedly connected with the center position of the cross section of the cross plate 10; the feeding channel 9 is inclined, the high-chromium ball 8 can roll inside the feeding channel 9, the cross plate 10 is rotatably installed inside the feeding channel 9, the cross plate 10 can block multiple high-chromium balls 8 inside the feeding channel 9, when the cross plate 10 is driven to rotate by the servo motor 11, the cross plate 10 can separate the multiple high-chromium balls 8 inside the feeding channel 9, so that the multiple high-chromium balls 8 fall one by one.

[0027] As shown in Figure 2As shown, the support assembly further comprises a plurality of legs 6 fixedly installed on the upper surface of the base plate 1, the upper end of the plurality of legs 6 is fixedly installed with a mounting ring 13, the receiving groove 7 is arranged inside the mounting ring 13, and the outer wall of the receiving groove 7 is fixedly connected with the inner wall of the mounting ring 13, the upper surface of the base plate 1 is fixedly installed with an electric lifting platform 14 below the receiving groove 7, and the output end of the electric lifting platform 14 is fixedly installed with a supporting plate 15; the mounting position of the receiving groove 7 is lifted by the legs 6 and the mounting ring 13, and the electric lifting platform 14 is arranged below the receiving groove 7, wherein the supporting plate 15 fixedly installed at the output end of the electric lifting platform 14 is arranged inside the inner cavity of the receiving groove 7 and can be in contact with the lower end of the high-chromium ball 8, and the high-chromium ball 8 can be lifted upward by the electric lifting platform 14.

[0028] As shown in Figure 5 , the inner wall of the receiving groove 7 is provided with a plurality of grooves, and a plurality of ball bearings 18 are rotatably installed in the plurality of grooves; the plurality of ball bearings 18 can reduce the friction between the outer wall of the high-chromium ball 8 and the inner wall of the receiving groove 7, so that the high-chromium ball 8 can rotate under the auxiliary action of external force, and the first electric telescopic rod 5 and the pressure head 12 can cooperate to detect different positions on the outer wall of the high-chromium ball 8.

[0029] As shown in Figure 5 , the buffer assembly comprises a sleeve 17 fixedly installed on the first support frame 2, a sliding rod 19 slidably installed at the end of the sleeve 17, a spring 20 fixedly connected to the outer wall of the end of the sliding rod 19 inserted into the inside of the sleeve 17, the outer wall of the end of the sliding rod 19 not inserted into the inside of the sleeve 17 is fixedly connected with the buffer plate 16, the length of the buffer plate 16 is greater than the diameter of the upper end of the inner cavity of the receiving groove 7, and the outer wall of the buffer plate 16 is elastically arranged, when the high-chromium ball 8 rolls downward from the inside of the feeding channel 9, it can be in contact with the outer wall of the buffer plate 16 first, and after the high-chromium ball 8 collides with the outer wall of the buffer plate 16, the spring 20 can be extruded by the sliding rod 19, and the speed of the high-chromium ball 8 can be reduced by the deformation of the spring 20.

[0030] As shown in Figure 3 , the bottom surface of the top plate 4 is fixedly installed with a second electric telescopic rod 21 on both sides of the first electric telescopic rod 5, both second electric telescopic rods 21 are arranged obliquely, and the ends of both second electric telescopic rods 21 are fixedly installed with rubber pads 22, the inclination angles of the two second electric telescopic rods 21 are different, and the two second electric telescopic rods 21 can extrude the upper end of the high-chromium ball 8 from both sides respectively, so that the high-chromium ball 8 is uniformly stressed on both sides, thereby avoiding the situation that the high-chromium ball 8 shakes to cause inaccurate detection when the pressure head 12 detects the high-chromium ball 8 downward.

[0031] As shown in Figure 4As shown, the upper surface of the bottom plate 1 is fixedly installed with a mounting table 23 on one side of the containing groove 7, the upper surface of the mounting table 23 is fixedly installed with a third electric telescopic rod 24, the third electric telescopic rod 24 is arranged at a height higher than the upper end surface of the containing groove 7, the upper surface of the bottom plate 1 is fixedly installed with an inclined arranged discharging channel 25 on the other side of the containing groove 7, after the detection of the high chromium ball 8 is completed, the high chromium ball 8 is lifted upward by the output end of the electric lifting platform 14, and then when the high chromium ball 8 is lifted upward to exceed the upper end surface of the containing groove 7, the output end of the third electric telescopic rod 24 is extended to push one side of the high chromium ball 8, so that the high chromium ball 8 rolls to the inside of the discharging channel 25.

[0032] The working principle of the utility model is: in use, high chromium ball 8 can be fed to the inside of containing groove 7 through feeding channel 9, wherein feeding channel 9 is arranged obliquely, high chromium ball 8 can roll in the inside of feeding channel 9, cross plate 10 is rotatably installed in the inside of feeding channel 9, cross plate 10 can block multiple high chromium balls 8 in the inside of feeding channel 9, when cross plate 10 is driven to rotate by servo motor 11, cross plate 10 can separate multiple high chromium balls 8 in the inside of feeding channel 9, so that multiple high chromium balls 8 fall in turn, when high chromium ball 8 rolls to the end of feeding channel 9, high chromium ball 8 can preferentially contact the outer wall of buffer plate 16 in buffer assembly, the outer wall of buffer plate 16 is elastically arranged, so as to avoid hard contact between high chromium ball 8 and the outer wall of buffer plate 16, after high chromium ball 8 collides with the outer wall of buffer plate 16, slide rod 19 fixedly connected with buffer plate 16 extrudes spring 20, spring 20 deforms correspondingly, so that the speed of high chromium ball 8 rolling can be slowed down under the action of buffer plate 16, so that high chromium ball 8 slowly enters the inner cavity of containing groove 7, the inner cavity of containing groove 7 is arranged in the shape of a circular truncated cone with the upper part being wide and the lower part being narrow, so that the position of high chromium ball 8 can be corrected after high chromium ball 8 enters the inside of containing groove 7, then the upper end of high chromium ball 8 is extruded and fixed by the extension of the two groups of second electric telescopic rods 21 arranged on the bottom surface of top plate 4, then the output end of first electric telescopic rod 5 is controlled to extend and detect the outer wall of high chromium ball 8 by pressure head 12, high chromium ball 8 after detection can be lifted upward under the action of electric lifting platform 14, when high chromium ball 8 is lifted upward to exceed the upper end surface of containing groove 7, the output end of third electric telescopic rod 24 is extended to push one side of high chromium ball 8, so that high chromium ball 8 rolls to the inside of discharging channel 25 for discharging.

[0033] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A high chromium ball hardness testing device comprising a base plate (1), characterized in that: The bottom plate (1) is respectively fixedly installed with the first support frame (2) and the second support frame (3) on both sides, the upper ends of the first support frame (2) and the second support frame (3) are fixedly installed with the top plate (4) in common, the upper surface of the top plate (4) is fixedly installed with the first electric telescopic rod (5), the output end of the first electric telescopic rod (5) is provided with a pressure head (12), the upper surface of the bottom plate (1) is provided with a supporting assembly below the pressure head (12), the supporting assembly comprises a containing groove (7), the inner cavity of the containing groove (7) is a circular truncated cone structure which is wide at the top and narrow at the bottom, the corresponding outer side of the bottom plate (1) and the second support frame (3) is provided with a feeding assembly, the feeding assembly comprises a feeding channel (9) fixedly connected with the second support frame (3), the side of the first support frame (2) close to the containing groove (7) is provided with a buffer assembly, and the buffer assembly comprises a sleeve (17), a sliding rod (19), a spring (20) and a buffer plate (16).

2. A high chromium ball hardness testing device according to claim 1, characterized in that: The feeding assembly further comprises a cross plate (10) rotatably installed inside the feeding channel (9), and a servo motor (11) is fixedly installed on the outer wall of the feeding channel (9), and the output end of the servo motor (11) is fixedly connected with the center of the cross plate (10).

3. A high chrome ball hardness testing device as claimed in claim 2, wherein: The supporting assembly further comprises a plurality of supporting legs (6) fixedly installed on the upper surface of the bottom plate (1), the upper end of each supporting leg (6) is fixedly installed with a mounting ring (13), the outer wall of the containing groove (7) is fixedly connected with the inner wall of the mounting ring (13), an electric lifting platform (14) is fixedly installed on the upper surface of the bottom plate (1) below the containing groove (7), the output end of the electric lifting platform (14) is fixedly installed with a supporting plate (15), and the supporting plate (15) is arranged inside the containing groove (7).

4. A high chrome ball hardness testing device as claimed in claim 3, wherein: The sleeve (17) of the buffer assembly is fixed to the outer side of the first support frame (2), the distal end of the sleeve (17) is slidably installed with a sliding rod (19), the outer wall of the distal end of the sliding rod (19) inserted into the sleeve (17) is fixedly connected with a spring (20), the distal end of the spring (20) away from the sliding rod (19) is fixedly connected with the outer wall of the first support frame (2), and the buffer plate (16) is fixedly connected with the outer wall of the distal end of the sliding rod (19) not inserted into the sleeve (17).

5. A high chrome ball hardness testing device as claimed in claim 4, wherein: Two second electric telescopic rods (21) are obliquely installed on the bottom surface of the top plate (4) on both sides of the first electric telescopic rod (5), and rubber pads (22) are arranged at the distal ends of the second electric telescopic rods (21).

6. A high chrome ball hardness testing device as claimed in claim 5, wherein: The upper surface of the bottom plate (1) is fixedly installed with a mounting table (23) on one side of the containing groove (7), the upper surface of the mounting table (23) is fixedly installed with a third electric telescopic rod (24), and the upper surface of the bottom plate (1) is fixedly installed with an obliquely arranged discharging channel (25) on the other side of the containing groove (7).

7. A high chrome ball hardness testing device as claimed in claim 6, wherein: A plurality of grooves are formed in the inner wall of the containing groove (7), and a plurality of rolling balls (18) are rotatably installed in the grooves.

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