Silica gel hardness tester

Abstract

The utility model relates to the technical field of measuring instruments, in particular to a silica gel hardness tester which comprises a base and is characterized in that a turntable assembly is arranged above the base, a console is fixedly connected to one side of the base, a supporting column is further fixedly connected to the upper portion of the base, a cam assembly is fixedly connected to one side of the supporting column, and the cam assembly is fixedly connected to the other side of the supporting column. A pressing assembly is installed in the cam assembly, and the pressing assembly and the rotating disc assembly shell are movably embedded. According to the utility model, the motor controls the cam to rotate, so that the reciprocating motion of the pressing assembly is realized, the size of the cam is specified, and the output force of the pressing assembly can be controlled, thereby achieving the purpose of testing the hardness of silica gel, and being simple and convenient in structure, capable of improving the testing efficiency, and capable of measuring while driving the turntable to rotate through the turntable motor. And the silica gel in the clamping seat is taken out and mounted while being taken out, so that the measuring speed is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring instruments, in particular to a silica gel hardness tester. Background Art

[0002] The hardness tester is an instrument for testing the hardness of samples. It adopts unique and precise design in mechanics and optics to make the indentation image formed on the sample clearer and the test more accurate.

[0003] A Chinese patent with a search announcement number of CN216208304U discloses a thermal conductive silicone hardness tester.

[0004] The above technical solution includes: a mounting plate, a hydraulic cylinder is fixedly mounted on the bottom of the mounting plate, a piston rod is connected to the driving end of the hydraulic cylinder, a test head is fixed to the lower end of the piston rod, a pressure sensor is arranged at the lower end of the test head, the bottom of the mounting plate contacts a storage box, the hydraulic cylinder, the piston rod and the test head are all located in the storage box, a lifting plate is slidably mounted on one side of the storage box, one side of the lifting plate is fixedly connected to one side of the mounting plate, a lifting mechanism is arranged on the storage box, and a prompt mechanism is arranged on one side of the mounting plate. The utility model can store the hydraulic cylinder, the piston rod, the test head and the pressure sensor in the storage box, which can reduce the vertical occupied space, has a simple structure and is easy to use;

[0005] However, in the above scheme, the technology uses a hydraulic cylinder to apply pressure to the silicone and then the pressure sensor takes readings. This method has a very slow testing efficiency. During the test, the technology needs to remove the silicone after the test and then put it back in. This method is not convenient for rapid testing.

[0006] To this end, we propose a silicone hardness tester. Utility Model Content

[0007] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a silicone hardness tester.

[0008] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a silicone hardness tester, including a base, characterized in that a turntable assembly is arranged above the base, a control console is fixedly connected to one side of the base, a support column is also fixedly connected above the base, a cam assembly is fixedly connected to one side of the support column, a pressing assembly is installed in the cam assembly, and the pressing assembly and the turntable assembly are movably engaged.

[0009] Preferably, the cam assembly includes a housing, a motor is fixedly connected inside the housing, a cam is rotatably connected to an output end of the motor, a wheel is rotatably connected to one end of the cam, and the cam is also rotatably connected to a mounting frame fixedly connected to the housing.

[0010] Preferably, a mounting seat sleeve is fixedly connected inside the shell, and a groove is formed on the lower end surface of the shell.

[0011] Preferably, the pressing assembly comprises a mounting seat fitted with the rotating wheel, a spring is fixedly connected to the lower end surface of the mounting seat, and a pressing rod sliding sleeve is fixedly connected to the lower end surface of the spring.

[0012] Preferably, a pressing rod is fixedly connected to the lower end surface of the mounting seat, the pressing rod is arranged in a spring, one end of the pressing rod passes through a sliding connection of the pressing rod sleeve and is fixedly connected to a limiting block, and the lower end surface of the limiting block is fixedly connected to a pressing plate.

[0013] Preferably, the turntable assembly includes a turntable motor, the output end of the turntable motor is rotatably connected to a main gear, one end of the main gear is rotatably connected to a support rod, the support rod is fixedly connected to a support base, two other support rods are also fixedly connected to the side of the support base, and the other two support rods are rotatably connected to slave gears.

[0014] Preferably, the slave gear and the master gear are meshed at the lower end of the toothed disc, a turntable is fixedly connected to the upper end of the toothed disc, a connecting shaft rotatably connected to the support seat is fixedly connected at the center of the turntable, and a plurality of sockets are provided on the upper end surface of the turntable.

[0015] The utility model provides a silicone hardness tester, which has the following improvements and advantages compared with the prior art:

[0016] (1) The utility model adopts a cam assembly to control the pressing assembly to perform reciprocating motion for testing. A motor is fixedly connected to an inner shell body. The output end of the motor is rotatably connected to a cam. One end of the cam is rotatably connected to a rotating wheel. A mounting seat is fitted under the rotating wheel. The mounting seat is slidably connected in a mounting seat sleeve. A spring is fixedly connected to the lower end surface of the mounting seat. A pressing rod sleeve is fixedly connected to the lower end surface of the spring. A pressing rod is fixedly connected to the lower end surface of the mounting seat. The pressing rod is arranged in the spring. One end of the pressing rod passes through the pressing rod sleeve and is fixedly connected to a limiting block. A pressing plate is fixedly connected to the lower end surface of the limiting block. The cam is controlled to rotate by the motor to realize the reciprocating motion of the pressing assembly. The size of the cam can be specified to control the output force of the pressing assembly, thereby achieving the purpose of testing the hardness of silicone. The structure is simple and convenient, and the test efficiency can be improved.

[0017] (2) The utility model adopts a turntable motor to control the rotation of the turntable to install and remove the test silicone during the test. The output end of the turntable motor is rotatably connected to a main gear, one end of the main gear is rotatably connected to a support rod, the support rod is fixedly connected to a support seat, and two other support rods are fixedly connected to the side of the support seat. The other two support rods are rotatably connected to a slave gear. The slave gear and the main gear are meshed at the lower end of the toothed disc, and a turntable is fixedly connected to the upper end of the toothed disc. A connecting shaft rotatably connected to the support seat is fixedly connected at the center of the turntable. A plurality of holders are provided on the upper end surface of the turntable. The turntable is driven to rotate by the turntable motor. The silicone in the holder can be taken out and installed while measuring, which effectively improves the measurement speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0019] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a structural stereoscopic diagram of the turntable assembly in the utility model;

[0021] Figure 3 It is a schematic plan view of the internal structure of the shell in the utility model.

[0022] 10. Base; 11. Support column; 12. Control panel; 20. Cam assembly; 21. Shell; 22. Motor; 23. Cam; 24. Rotating wheel; 25. Mounting seat sleeve; 26. Slot; 27. Fixing frame; 30. Pressing assembly; 31. Mounting seat; 32. Pressing rod; 33. Pressing rod sleeve; 34. Limiting block; 35. Pressing plate; 36. Spring; 40. Turntable assembly; 41. Turntable motor; 42. Main gear; 43. Support rod; 44. Supporting seat; 45. Slave gear; 46. Turntable; 47. Connecting shaft; 48. Toothed disc; 49. Card seat. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] A silicone hardness tester, such as Figure 1 - Figure 3 As shown, it includes a base 10, characterized in that: a turntable assembly 40 is arranged above the base 10, a control console 12 is fixedly connected to one side of the base 10, a support column 11 is also fixedly connected to the top of the base 10, a cam assembly 20 is fixedly connected to one side of the support column 11, a pressing assembly 30 is installed in the cam assembly 20, and the pressing assembly 30 and the turntable assembly 40 are movably engaged;

[0025] The cam 23 is controlled to rotate by the motor 22 to realize the reciprocating motion of the pressing assembly 30. The size of the cam 23 can be specified to control the output force of the pressing assembly 30, so as to achieve the purpose of testing the hardness of the silicone. The structure is simple and convenient, and the test efficiency can be improved. The turntable 46 is driven to rotate by the turntable motor 41, and the silicone in the holder 49 can be taken out and installed while measuring, which effectively improves the measurement speed.

[0026] Furthermore, the cam assembly 20 includes a shell 21, in which a motor 22 is fixedly connected, an output end of the motor 22 is rotatably connected to a cam 23, one end of the cam 23 is rotatably connected to a wheel 24, and the cam 23 is also rotatably connected to a fixing frame 27 fixedly connected to the shell 21; the shell 21 is used for installing components, and the combination of the motor 22 and the cam 23 is for realizing the reciprocating motion of the pressing assembly 30, and the fixing frame 27 is used to fix the cam 23.

[0027] Furthermore, a mounting seat 31 sleeve 25 is fixedly connected inside the shell 21, and a slot 26 is provided on the lower end surface of the shell 21; the mounting seat 31 sleeve 25 is slidably connected to the mounting seat 31 to limit the mounting seat 31 and improve the stability of the device. The slot 26 facilitates the extension of the pressing rod 32.

[0028] Furthermore, the pressing assembly 30 includes a mounting seat 31 that fits the rotating wheel 24, and the lower end surface of the mounting seat 31 is fixedly connected to a spring 36, and the lower end surface of the spring 36 is fixedly connected to a pressing rod sleeve 33; the mounting seat 31 is used to transmit the power of the cam 23 and install the spring 36 and the pressing rod 32, and the pressing rod sleeve 33 is used to limit the pressing rod 32 to improve the stability of the device.

[0029] Furthermore, a pressing rod 32 is fixedly connected to the lower end face of the mounting seat 31, and the pressing rod 32 is arranged in a spring 36. One end of the pressing rod 32 passes through a slidingly connected pressing rod sleeve 33 and is fixedly connected to a limiting block 34. A pressing plate 35 is fixedly connected to the lower end face of the limiting block 34. The pressing rod 32 transmits the power of the cam 23 to the pressing plate 35. The spring 36 can reset the component. The diameter of the limiting block 34 is larger than the diameter of the slot 26, so as to prevent the pressing rod 32 from resetting too deep and causing large power fluctuations.

[0030] Furthermore, the turntable assembly 40 includes a turntable motor 41, the output end of the turntable motor 41 is rotatably connected to a main gear 42, one end of the main gear 42 is rotatably connected to a support rod 43, the support rod 43 is fixedly connected to a support seat 44, and two other support rods 43 are fixedly connected to the side of the support seat 44, and the other two support rods 43 are rotatably connected to a slave gear 45; the turntable motor 41 drives the turntable 46 to rotate, the main gear 42 engages with the chuck to transmit power, the support seat 44 is used to support the turntable assembly 40, and the support rod 43 is used to stabilize the main gear 42 and the slave gear 45.

[0031] Furthermore, the slave gear 45 and the main gear 42 are meshed at the lower end of the toothed disc 48, and a turntable 46 is fixedly connected to the upper end of the toothed disc 48. A connecting shaft 47 rotatably connected to the support seat 44 is fixedly connected at the center of the turntable 46, and a plurality of clamping seats 49 are provided on the upper end surface of the turntable 46; the slave gear 45 is meshed at the lower end of the toothed disc 48 and the main gear 42 in a triangular distribution, which can support the turntable 46 and prevent the pressing assembly 30 from destroying the balance of the turntable assembly 40. The turntable 46 is rotatably connected to the support seat 44 through the connecting shaft 47.

[0032] The working principle of the utility model is as follows: the motor 22 is started and the rotation of the motor 22 drives the cam 23 to rotate, the rotation of the cam 23 drives the mounting seat 31 which is in contact with the cam 23 to move, the mounting seat 31 moves to push out the pressing rod 32, the pressing rod 32 pushes out to move the pressing plate 35 downward, the pressing plate 35 squeezes the silica gel, and the mounting seat 31 compresses the spring 36 when pushing out the pressing rod 32, when the high-pair area of ​​the cam 23 leaves the top surface of the mounting seat 31, the downward pressure is reduced, and the spring 36 pushes up the pressing plate 35, so that the mounting seat 31 is always in contact with the cam 23, and the regulation The size of the fixed cam 23 can control the output force of the pressing assembly 30, so as to achieve the purpose of testing the hardness of the silicone. The structure is simple and convenient, and can improve the test efficiency. After a silicone is tested, the turntable motor 41 drives the main gear 42 to rotate, and the main gear 42 drives the chuck to rotate, and the rotation of the chuck drives the turntable 46 to rotate, so that the tested holder 49 leaves the bottom of the pressing plate 35, and the untested holder 49 is rotated to the bottom of the pressing plate 35. The silicone in the holder 49 can be taken out and installed while measuring, which effectively improves the measurement speed.

Claims

1. A silica gel hardness tester, comprising a base (10), characterized in that: A turntable assembly (40) is arranged above the base (10), a control console (12) is fixedly connected to one side of the base (10), a support column (11) is also fixedly connected to the top of the base (10), a cam assembly (20) is fixedly connected to one side of the support column (11), a pressing assembly (30) is installed in the cam assembly (20), and the pressing assembly (30) and the turntable assembly (40) are movably engaged.

2. A silicone hardness tester according to claim 1, characterized in that: The cam assembly (20) comprises a housing (21), a motor (22) being fixedly connected inside the housing (21), a cam (23) being rotatably connected to an output end of the motor (22), a rotating wheel (24) being rotatably connected to one end of the cam (23), and the cam (23) being further rotatably connected to a fixing frame (27) fixedly connected to the housing (21).

3. A silicone hardness tester according to claim 2, characterized in that: A mounting seat (31) and a sliding sleeve (25) are also fixedly connected inside the housing (21), and a groove (26) is formed on the lower end surface of the housing (21).

4. A silicone hardness tester according to claim 2, characterized in that: The pressing assembly (30) comprises a mounting seat (31) fitted with the rotating wheel (24), the lower end surface of the mounting seat (31) is fixedly connected to a spring (36), and the lower end surface of the spring (36) is fixedly connected to a pressing rod sliding sleeve (33).

5. A silicone hardness tester according to claim 4, characterized in that: The lower end surface of the mounting seat (31) is fixedly connected with a pressing rod (32), the pressing rod (32) is arranged in a spring (36), one end of the pressing rod (32) passes through a slidingly connected pressing rod sleeve (33) and is fixedly connected to a limiting block (34), and the lower end surface of the limiting block (34) is fixedly connected with a pressing plate (35).

6. A silicone hardness tester according to claim 1, characterized in that: The turntable assembly (40) comprises a turntable motor (41), the output end of the turntable motor (41) is rotatably connected to a main gear (42), one end of the main gear (42) is rotatably connected to a support rod (43), the support rod (43) is fixedly connected to a support seat (44), and two other support rods (43) are also fixedly connected to the side of the support seat (44), and the other two support rods (43) are rotatably connected to slave gears (45).

7. A silicone hardness tester according to claim 6, characterized in that: The slave gear (45) and the master gear (42) are meshed at the lower end of a toothed disc (48); a rotating disc (46) is fixedly connected to the upper end of the toothed disc (48); a connecting shaft (47) rotatably connected to a support seat (44) is fixedly connected to the center of the rotating disc (46); and a plurality of clamping seats (49) are provided on the upper end surface of the rotating disc (46).

Images