Graphite product hardness detection device

Abstract

The utility model discloses a graphite product hardness detection device which comprises a base and an L-shaped supporting seat, a cavity is arranged in the base, a hydraulic cylinder is fixedly arranged at the upper end of the central position of the L-shaped supporting seat, and the lower end of a piston rod of the hydraulic cylinder vertically penetrates through the L-shaped supporting seat. The two clamping blocks are driven by the servo motor to horizontally and relatively move along the rectangular opening until a graphite product can be placed in the rectangular open grooves in the two clamping blocks, positioning and clamping are carried out in cooperation with the semi-conical open grooves, the structure is simple, positioning is rapid, the graphite product clamping device can be suitable for graphite products of different specifications, and the production efficiency is improved. A detection head is inserted into a circular mounting groove in a cylindrical head and is in threaded connection until a circular clamping block is inserted into a circular clamping groove, and a hydraulic cylinder drives a mounting seat and the detection head to vertically descend, so that the detection head is stressed to be matched with a limiting block and a limiting groove to drive the cylindrical head to compress a buffer spring in the circular groove; buffer protection is effectively provided for the detection head, and the service life of the detection head is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite product detection, in particular to a graphite product hardness detection device. Background Art

[0002] Graphite products include graphite rods, graphite blocks, graphite molds and graphite rings. Due to its many excellent properties, graphite is widely used in industrial sectors such as metallurgy, machinery and national defense. High-purity graphite has the characteristics of high temperature resistance, good electrical and thermal conductivity, and stable chemical properties, making it a key material in semiconductor manufacturing.

[0003] In the prior art, patent number CN212748601U discloses a graphite product hardness detection device, which includes a support base plate, a vertical support arm is fixedly installed on one side of the upper surface of the support base plate, a detection pen is arranged at the center position of the lower surface of the vertical support arm, a connecting piece is fixedly installed on the detection pen, and a position meter is fixedly installed on one side of the upper surface of the connecting piece... The structure is novel, the operation is simple, the use effect is significant, the practicality is high, and it is suitable for promotion. The technical solution of the above patent has the following shortcomings: 1. The scope of application of its positioning method for graphite products is small and the operation is inconvenient; 2. There is a lack of a protective structure for the detection head, which is easy to cause damage to the detection head. Utility Model Content

[0004] In view of the deficiencies and defects in the prior art, the utility model proposes a graphite product hardness detection device for solving the technical problems raised in the background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A graphite product hardness detection device comprises a base and an L-shaped support seat, wherein the base is provided with a cavity, a hydraulic cylinder is fixedly installed at the upper end of the center position of the L-shaped support seat, the lower end of the hydraulic cylinder piston rod vertically penetrates the L-shaped support seat, a mounting seat is fixedly installed at the lower end of the hydraulic cylinder piston rod, a detection head is provided at the lower end of the mounting seat, a rectangular opening is provided on the top surface of the cavity, an adjustment mechanism is provided in the cavity, and a clamping assembly is provided on the adjustment mechanism.

[0007] Preferably, a circular groove is provided at the lower end of the mounting seat, two buffer springs are fixedly connected on the top surface of the circular groove, the lower ends of the two buffer springs are fixedly connected to the same cylindrical head, a circular mounting groove is provided at the lower end of the cylindrical head, the upper end of the detection head is inserted into the circular mounting groove, the detection head is fixedly connected to the circular mounting groove with threads, a circular clamping block is provided on the top surface of the circular mounting groove, a circular clamping groove is provided at the upper end of the detection head, and the circular clamping block is inserted into the circular clamping groove.

[0008] Preferably, the circular clamping block and the cylindrical head are integrally formed, and two limit grooves are provided on the annular inner wall of the circular groove. The bottoms of the two limit grooves are connected to the lower end of the mounting seat, and the two limit grooves are slidably connected with matching limit blocks, and the ends of the two limit blocks away from the limit grooves are fixedly connected to the annular side wall of the cylindrical head near the upper end.

[0009] Preferably, the adjustment mechanism includes a servo motor fixedly mounted on the right side wall of the base, the drive shaft of the servo motor rotates horizontally and penetrates the right side inner wall of the cavity, the drive shaft of the servo motor is located in the cavity and is fixedly connected to a bidirectional screw at one end thereof, the bidirectional screw is rotatably connected to the left side inner wall of the cavity, two shift blocks are threadedly sleeved on the bidirectional screw, the upper ends of the two shift blocks are vertically penetrated through the rectangular opening, the side walls of the two shift blocks are slidably in contact with the inner wall of the rectangular opening, and the clamping assembly is arranged at the upper ends of the two shift blocks.

[0010] Preferably, the clamping assembly includes a clamping block fixedly connected to the upper ends of the two displacement blocks, the upper ends of the two clamping blocks are provided with rectangular grooves, and the opposite side walls of the two clamping blocks are provided with semi-conical grooves, and the top surface of the semi-conical groove is connected to the bottom of the rectangular groove.

[0011] Preferably, the clamping block is made of rubber.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The servo motor drives the two clamping blocks to move horizontally relative to each other along the rectangular opening until the graphite product can be placed in the rectangular slots on the two clamping blocks, and the semi-conical slots are used for positioning and clamping. The structure is simple and the positioning is fast, which can be applied to graphite products of different specifications.

[0014] 2. Insert the detection head into the circular mounting groove on the cylindrical head and connect it with threads until the circular clamping block is inserted into the circular clamping groove. The hydraulic cylinder drives the mounting seat and the detection head to descend vertically, so that the detection head is subjected to force to cooperate with the limit block and the limit groove to drive the cylindrical head to compress the buffer spring in the circular groove, thereby effectively providing buffer protection for the detection head and extending the service life of the detection head. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a perspective schematic diagram of a graphite product hardness detection device proposed by the utility model;

[0016] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0017] Figure 3 for Figure 1A partial enlarged view of point B in the middle;

[0018] Figure 4 The utility model provides a schematic structural diagram of a clamping assembly of a graphite product hardness testing device.

[0019] In the figure: 1 base, 2 L-type support seat, 3 cavity, 4 hydraulic cylinder, 5 mounting seat, 6 detection head, 7 rectangular opening, 8 circular groove, 9 buffer spring, 10 cylindrical head, 11 circular mounting groove, 12 circular clamping block, 13 circular clamping slot, 14 limit slot, 15 limit block, 16 servo motor, 17 bidirectional screw rod, 18 shift block, 19 clamping block, 20 rectangular slot, 21 semi-conical slot. DETAILED DESCRIPTION

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-4A graphite product hardness detection device comprises a base 1 and an L-shaped support seat 2. A cavity 3 is provided in the base 1. A hydraulic cylinder 4 is fixedly installed at the upper end of the center position of the L-shaped support seat 2. The hydraulic cylinder 4 is used to drive the mounting seat 5 and the detection head 6 to vertically reciprocate and lift. The lower end of the piston rod of the hydraulic cylinder 4 vertically penetrates the L-shaped support seat 2. The lower end of the piston rod of the hydraulic cylinder 4 is fixedly installed with a mounting seat 5. The lower end of the mounting seat 5 is provided with a detection head 6. The detection head 6 is used to detect the hardness of the graphite product. It is a prior art and will not be described in detail here. A rectangular opening 7 is provided on the top surface of the cavity 3. A circular groove 8 is provided at the lower end of the mounting seat 5. Two buffer springs 9 are fixedly connected to the top surface of the circular groove 8. The two The lower end of the buffer spring 9 is fixedly connected to the same cylindrical head 10, and a circular mounting groove 11 is provided at the lower end of the cylindrical head 10. The upper end of the detection head 6 is inserted into the circular mounting groove 11, and the detection head 6 is threadedly fixedly connected to the circular mounting groove 11. A circular clamping block 12 is provided on the top surface of the circular mounting groove 11, and a circular clamping groove 13 is provided at the upper end of the detection head 6. The circular clamping block 12 is inserted into the circular clamping groove 13. The circular clamping block 12 and the cylindrical head 10 are integrally formed. The detection head 6 is inserted into the circular mounting groove 11 on the cylindrical head 10 and threadedly fixedly connected until the circular clamping block 12 is inserted into the circular clamping groove 13, effectively locking the detection head 6 in the circular mounting groove 11.

[0023] Two limit grooves 14 are provided on the annular inner wall of the circular groove 8, and the bottoms of the two limit grooves 14 are connected to the lower end of the mounting seat 5. The two limit grooves 14 are slidably connected with matching limit blocks 15. The limit blocks 15 and the limit grooves 14 can provide limitation for the cylindrical head 10 in the circular groove 8 to avoid the force exceeding the elastic deformation range of the buffer spring 9. The ends of the two limit blocks 15 away from the limit grooves 14 are fixedly connected to the annular side wall near the upper end of the cylindrical head 10. The hydraulic cylinder 4 is started to drive the mounting seat 5 and the detection head 6 to descend vertically, and the detection head 6 performs hardness detection on the clamped and positioned graphite product. When the detection head 6 is subjected to force, the limit blocks 15 and the limit grooves 14 cooperate to drive the cylindrical head 10 to compress the buffer spring 9 in the circular groove 8, thereby effectively providing buffer protection for the detection head 6 and extending the service life of the detection head 6.

[0024] An adjustment mechanism is provided in the cavity 3, and the adjustment mechanism includes a servo motor 16 fixedly mounted on the right side wall of the base 1. The driving shaft of the servo motor 16 rotates horizontally and penetrates the right side inner wall of the cavity 3. One end of the driving shaft of the servo motor 16 located in the cavity 3 is fixedly connected with a bidirectional screw rod 17. The servo motor 16 is used to drive the bidirectional screw rod 17 to rotate. The bidirectional screw rod 17 is rotatably connected to the left inner wall of the cavity 3. Two displacement blocks 18 are threadedly sleeved on the bidirectional screw rod 17. The upper ends of the two displacement blocks 18 are vertically penetrated through the rectangular opening 7. The side walls of the two displacement blocks 18 are slidably in contact with the inner wall of the rectangular opening 7. The clamping assembly is arranged at the upper ends of the two displacement blocks 18. The rotation of the bidirectional screw rod 17 drives the threaded displacement block 18 to move relatively horizontally under the limiting action of the rectangular opening 7, and the two clamping blocks 19 are driven by the two displacement blocks 18 to move horizontally relative to each other.

[0025] A clamping assembly is provided on the adjustment mechanism, and the clamping assembly includes a clamping block 19 fixedly connected to the upper ends of the two shift blocks 18. A rectangular groove 20 is provided at the upper ends of the two clamping blocks 19, and semi-conical grooves 21 are provided on the opposite side walls of the two clamping blocks 19. The top surface of the semi-conical groove 21 is connected to the bottom of the rectangular groove 20. The graphite product is placed in the rectangular grooves 20 on the two clamping blocks 19, and the semi-conical grooves 21 are used for positioning and clamping. The structure is simple and the positioning is fast, and it can be suitable for graphite products of different specifications. The clamping block 19 is a rubber product. The clamping block 19 of the rubber product can provide clamping protection for the graphite product to avoid damage to the graphite product during the positioning process.

[0026] When the utility model is in use, the graphite product is inserted between the two clamping blocks 19, and the servo motor 16 is started to drive the bidirectional screw rod 17 to rotate, so that the rotation of the bidirectional screw rod 17 drives the displacement block 18 of the threaded sleeve to move relatively horizontally under the limiting effect of the rectangular opening 7, and the two displacement blocks 18 drive the two clamping blocks 19 to move horizontally relatively, until the graphite product can be placed in the rectangular slots 20 on the two clamping blocks 19, and the semi-conical slots 21 are used for positioning and clamping. The utility model has a simple structure and fast positioning, and can be applied to graphite products of different specifications. The probe 6 is inserted into the circular mounting groove 11 on the cylindrical head 10 and fixedly connected by threads until the circular clamping block 12 is inserted into the circular clamping groove 13, effectively locking the detection head 6 in the circular mounting groove 11, starting the hydraulic cylinder 4 to drive the mounting seat 5 and the detection head 6 to descend vertically, and the detection head 6 performs hardness detection on the clamped and positioned graphite product. When the detection head 6 is subjected to force, the limit block 15 and the limit groove 14 drive the cylindrical head 10 to compress the buffer spring 9 in the circular groove 8, effectively providing buffer protection for the detection head 6 and extending the service life of the detection head 6.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A graphite product hardness testing device, comprising a base (1) and an L-shaped support seat (2), characterized in that: The base (1) is provided with a cavity (3), a hydraulic cylinder (4) is fixedly mounted on the upper end of the center position of the L-shaped support seat (2), the lower end of the piston rod of the hydraulic cylinder (4) vertically penetrates the L-shaped support seat (2), a mounting seat (5) is fixedly mounted on the lower end of the piston rod of the hydraulic cylinder (4), a detection head (6) is provided at the lower end of the mounting seat (5), a rectangular opening (7) is provided on the top surface of the cavity (3), an adjustment mechanism is provided in the cavity (3), a clamping assembly is provided on the adjustment mechanism, a circular groove (8) is provided at the lower end of the mounting seat (5), two buffer springs (9) are fixedly connected to the top surface of the circular groove (8), and the lower ends of the two buffer springs (9) are fixedly connected to the upper surface of the two buffer springs (9). The cylindrical head (10) is fixedly connected with the same cylindrical head (10), the lower end of the cylindrical head (10) is provided with a circular mounting groove (11), the upper end of the detection head (6) is inserted into the circular mounting groove (11), the detection head (6) and the circular mounting groove (11) are threadedly fixedly connected, the top surface of the circular mounting groove (11) is provided with a circular clamping block (12), the upper end of the detection head (6) is provided with a circular clamping groove (13), the circular clamping block (12) is inserted into the circular clamping groove (13), the circular clamping block (12) and the cylindrical head (10) are integrally formed, and two limiting grooves (14) are provided on the annular inner wall of the circular groove (8), and the bottoms of the two limiting grooves (14) are both connected to the mounting seat. The lower end of the cavity (5) is connected, and the two limit grooves (14) are slidably connected with a matching limit block (15), and the ends of the two limit blocks (15) away from the limit grooves (14) are fixedly connected to the annular side wall near the upper end of the columnar head (10), and the adjustment mechanism includes a servo motor (16) fixedly mounted on the right side wall of the base (1), and the drive shaft of the servo motor (16) is arranged to rotate horizontally and penetrate the right side inner wall of the cavity (3), and the drive shaft of the servo motor (16) is located in the cavity (3) and is fixedly connected to a bidirectional screw rod (17), and the bidirectional screw rod (17) is rotatably connected to the left side inner wall of the cavity (3), and the upper screw of the bidirectional screw rod (17) is screwed. Two displacement blocks (18) are sleeved, the upper ends of the two displacement blocks (18) are vertically penetrated through the rectangular opening (7), the side walls of the two displacement blocks (18) are slidably contacted with the inner wall of the rectangular opening (7), the clamping assembly is arranged at the upper ends of the two displacement blocks (18), the clamping assembly comprises a clamping block (19) fixedly connected to the upper ends of the two displacement blocks (18), the upper ends of the two clamping blocks (19) are provided with a rectangular groove (20), the opposite side walls of the two clamping blocks (19) are provided with a semi-conical groove (21), the top surface of the semi-conical groove (21) is connected with the bottom of the rectangular groove (20), and the clamping block (19) is a rubber product.

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