Large workpiece hardness tester

Abstract

The utility model discloses a durometer for a large-sized workpiece. The durometer comprises a base, the portal frame is arranged at the top of the base; the lifting mechanism is connected with the portal frame and provides driving force for Z-axis movement; the cross beam is connected with the output end of the lifting mechanism and is driven by the lifting mechanism to ascend and descend; the first moving mechanism is connected with the cross beam and provides driving force for Y-axis movement; the mounting seat is connected with the output end of the first moving mechanism; the moving platform is arranged on the base in a guiding and sliding manner; the second moving mechanism is connected with the base and the moving platform and drives the moving platform to move on the base along the X axis; and the durometer assembly is mounted on the mounting seat. The three-dimensional motion control mechanism ensures that the durometer can comprehensively and accurately detect each part of a large-sized workpiece, and meets the requirement of a complex workpiece on the aspect of hardness detection.

Description

Technical Field

[0001] The utility model relates to the technical field of hardness testers, and particularly relates to a hardness tester for large workpieces. Background Art

[0002] When performing hardness detection on large workpieces, due to the large volume of the workpieces and the difficulty of moving them when they are fixed in position, traditional small hardness testers are difficult to meet the detection requirements. Therefore, it is particularly important to design a special transmission mechanism for the hardness tester of large workpieces. Summary of the Invention

[0003] According to an embodiment of the utility model, there is provided a hardness tester for large workpieces, comprising:

[0004] A base;

[0005] A gantry, which is arranged on the top of the base;

[0006] A lifting mechanism, which is connected to the gantry and provides the driving force for the Z-axis movement;

[0007] A cross beam, which is arranged and connected to the output end of the lifting mechanism and is lifted under the drive of the lifting mechanism;

[0008] A first moving mechanism, which is connected to the cross beam and provides the driving force for the Y-axis movement;

[0009] A mounting seat, which is connected to the output end of the first moving mechanism;

[0010] A moving platform, which is arranged on the base in a guiding and sliding manner;

[0011] A second moving mechanism, which is connected to the base and the moving platform and drives the moving platform to move along the X-axis on the base;

[0012] A hardness tester assembly, which is installed on the mounting seat;

[0013] A milling assembly, which is arranged on the mounting seat and is located on one side of the hardness tester assembly;

[0014] A pneumatic marking assembly, which is arranged on the mounting seat and is located on the other side of the hardness tester assembly.

[0015] Furthermore, the lifting mechanism comprises:

[0016] A pair of first placement grooves, which are opened on both sides of the gantry;

[0017] An object placement cavity, which is opened on the top of the gantry;

[0018] A pair of first lead screws, the pair of first lead screws are respectively rotatably connected in a pair of first placement grooves, and both penetrate through the pair of first placement grooves and extend into the placement cavity, and the pair of first lead screws are assembled on both sides of the cross beam;

[0019] A pair of first sliding rails, the pair of first sliding rails are respectively arranged in a pair of first placement grooves, and the pair of first sliding rails are assembled on both sides of the cross beam for guiding;

[0020] A first belt drive mechanism, the first belt drive mechanism is located in the placement cavity, and the driving wheel and the driven wheel of the first belt drive mechanism are respectively sleeved on a pair of first lead screws;

[0021] A first motor, the first motor is located in the placement cavity, and the output end of the first motor is connected to the driving wheel of the first belt drive mechanism.

[0022] Further, the lifting mechanism further includes: a pair of first dust covers, and the pair of first dust covers respectively cover the pair of first placement grooves.

[0023] Further, the first moving mechanism includes:

[0024] A second placement groove, the second placement groove is opened on the cross beam;

[0025] A second lead screw, the second lead screw is rotatably connected in the second placement groove, and the second lead screw is assembled on the mounting seat;

[0026] A second sliding rail, the second sliding rail is arranged in the second placement groove, and the second sliding rail is assembled on the mounting seat;

[0027] A second motor, the second motor is arranged in the second placement groove;

[0028] A second belt drive mechanism, the driving wheel of the second belt drive mechanism is connected to the output end of the second motor, and the driven wheel of the second belt drive mechanism is connected to one end of the second lead screw.

[0029] Further, the first moving mechanism further includes: a second dust cover, and the second dust cover covers the second placement groove.

[0030] Further, the second moving mechanism includes:

[0031] A third lead screw, the third lead screw is rotatably connected to the base;

[0032] A third motor, the output end of the third motor is connected to one end of the third lead screw;

[0033] A transmission block, the transmission block is sleeved on the third lead screw and is connected to the bottom of the moving platform.

[0034] Further, the second moving mechanism further includes: a third dust cover, and the third dust cover covers the top of the base.

[0035] Furthermore, it further includes: a shock pad, which is arranged at the bottom of the base.

[0036] Furthermore, a fixture for fixing the workpiece is provided on the moving platform.

[0037] Furthermore, it further includes: a PLC control panel, which is connected to the gantry.

[0038] A hardness tester for large workpieces according to an embodiment of the present invention is stably installed on a special mounting base. This mounting base not only provides stable support for the hardness tester, but also integrates a lifting structure and a first moving mechanism, enabling the hardness tester to move precisely along the vertical direction (Z-axis) and the horizontal transverse direction (Y-axis).

[0039] Meanwhile, the large workpiece is firmly fixed on another moving platform. The moving platform is driven by a second moving mechanism and is specifically responsible for moving the workpiece along the horizontal longitudinal direction (X-axis). Through such a design, a motion system in a three-dimensional space is constructed, which can flexibly adjust the relative position between the hardness tester and the workpiece.

[0040] During the detection process, first, the height of the hardness tester on the Z-axis is precisely adjusted through the lifting structure to ensure that it can accurately contact the surface to be measured of the workpiece. Subsequently, the first moving mechanism is used to move the hardness tester in the Y-axis direction to achieve the detection of different transverse positions of the workpiece. At the same time, the second moving mechanism drives the workpiece to move in the X-axis direction, enabling the hardness tester to cover the entire detection area of the workpiece.

[0041] This three-dimensional motion control mechanism ensures that the hardness tester can comprehensively and accurately detect all parts of the large workpiece, meeting the requirements for hardness detection of complex workpieces. The entire detection process is highly automated, improving the detection efficiency and accuracy, and at the same time reducing the labor intensity of the operator.

[0042] Moreover, in this case, the hardness tester assembly, the milling assembly, and the pneumatic marking assembly are integrated on the mounting base, which can simultaneously meet the operations such as hardness tester detection, workpiece milling, and pneumatic marking, increasing the practicality.

[0043] It should be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 It is a front view structural schematic diagram of a hardness tester for large workpieces according to an embodiment of the present invention.

[0045] Figure 2 It is a side view structural schematic diagram of a hardness tester for large workpieces according to an embodiment of the present invention.

[0046] Figure 3 This is a top - view structural schematic diagram of a hardness tester for large workpieces according to an embodiment of the present utility model. Detailed implementation manners

[0047] The preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings, and the present utility model will be further elaborated.

[0048] First, in conjunction with Figures 1 to 3 A hardness tester for large workpieces according to an embodiment of the present utility model will be described. It is used for the hardness detection of large workpieces and has a wide range of application scenarios.

[0049] As Figures 1 to 3 shown, a hardness tester for large workpieces according to an embodiment of the present utility model includes a base 1, a gantry 2, a lifting mechanism, a cross - beam 4, a first moving mechanism, a mounting seat 6, a moving platform 7, a second moving mechanism, a hardness tester assembly 94, a milling assembly 95, and a pneumatic marking assembly 96.

[0050] Specifically, as Figures 1 to 3 shown, the gantry 2 is arranged on the top of the base 1.

[0051] Specifically, as Figures 1 to 3 shown, the lifting mechanism is connected to the gantry 2 and provides the driving force for Z - axis movement. The lifting mechanism includes: a pair of first placement grooves 31, a placement cavity 32, a pair of first lead screws 33, a pair of first slide rails 34, a first belt drive mechanism 35, and a first motor 36. A pair of first placement grooves 31 are opened on both sides of the gantry 2; the placement cavity 32 is opened on the top of the gantry 2; a pair of first lead screws 33 are respectively rotatably connected in a pair of first placement grooves 31 and both penetrate through the pair of first placement grooves 31 and extend into the placement cavity 32. The pair of first lead screws 33 are assembled on both sides of the cross - beam 4. When the first lead screws 33 rotate, the cross - beam 4 is driven to move; a pair of first slide rails 34 are respectively arranged in a pair of first placement grooves 31, and the pair of first slide rails 34 are assembled on both sides of the cross - beam 4 for guiding to ensure the stable movement of the cross - beam 4; the first belt drive mechanism 35 is located in the placement cavity 32, and the driving wheel and the driven wheel of the first belt drive mechanism 35 are respectively sleeved on a pair of first lead screws 33; the first motor 36 is located in the placement cavity 32, and the output end of the first motor 36 is connected to the driving wheel of the first belt drive mechanism 35. By controlling the operation of the first motor 36, the power is transmitted to the pair of first lead screws 33 by the first belt drive mechanism 35, thereby driving the cross - beam 4 to move along the Z - axis.

[0052] Furthermore, as Figure 1 described, the lifting mechanism further includes: a pair of first dust covers 37, and the pair of first dust covers 37 respectively cover the pair of first placement grooves 31 to play a role in dust prevention.

[0053] Specifically, as Figures 1 to 3 shown, the cross beam 4 is arranged to be connected to the output end of the lifting mechanism and is lifted under the drive of the lifting mechanism.

[0054] Specifically, as Figures 1 to 3 shown, the first moving mechanism is connected to the cross beam 4 and provides the driving force for the Y-axis movement. The first moving mechanism includes: a second placement groove 51, a second lead screw 52, a second slide rail 53, a second motor 54, and a second belt transmission mechanism 55. The second placement groove 51 is opened on the cross beam 4; the second lead screw 52 is rotatably connected in the second placement groove 51, and the second lead screw 52 is assembled on the mounting seat 6. When the second lead screw 52 rotates, it can drive the mounting seat 6 to move; the second slide rail 53 is arranged in the second placement groove 51, and the second slide rail 53 is assembled on the mounting seat 6 for guiding to ensure the stability when the mounting seat 6 moves; the second motor 54 is arranged in the second placement groove 51; the driving wheel of the second belt transmission mechanism 55 is connected to the output end of the second motor 54, and the driven wheel of the second belt transmission mechanism 55 is connected to one end of the second lead screw 52. By controlling the operation of the second motor 54, the power can be transmitted to the second lead screw 52 by the second belt transmission mechanism 55, so that the mounting seat 6 moves along the Y-axis.

[0055] Furthermore, as Figure 1 shown, the first moving mechanism further includes: a second dust cover 56, and the second dust cover 56 covers the second placement groove 51 for dust prevention.

[0056] Specifically, as Figures 1 to 3 shown, the mounting seat 6 is connected to the output end of the first moving mechanism, and the mounting seat 6 is used to fix the hardness tester.

[0057] Specifically, as Figures 1 to 3 shown, the moving platform 7 is arranged on the base 1 in a guiding and sliding manner.

[0058] Specifically, as Figures 1 to 3 shown, the second moving mechanism is connected to the base 1 and the moving platform 7, and drives the moving platform 7 to move along the X-axis on the base 1. The second moving mechanism includes: a third lead screw 81, a third motor 82, and a transmission block 83. The third lead screw 81 is rotatably connected to the base 1; the output end of the third motor 82 is connected to one end of the third lead screw 81; the transmission block 83 is sleeved on the third lead screw 81 and is connected to the bottom of the moving platform 7. By controlling the operation of the third motor 82, the third lead screw 81 can be driven to rotate, thereby driving the transmission block 83 to move, and further driving the moving platform 7 to move along the X-axis.

[0059] Furthermore, as Figure 3 shown, the second moving mechanism further includes: a third dust cover 84, and the third dust cover 84 covers the top of the base 1 for dust prevention.

[0060] Specifically, as Figure 1 and 3 shown, the hardness tester assembly 94 is installed on the mounting seat 6 for hardness detection.

[0061] Specifically, as Figure 1 and 3 shown, the milling assembly 95 is arranged on the mounting seat 6 and is located on one side of the hardness tester assembly 94 for milling the workpiece.

[0062] Specifically, as Figure 1 and 3 shown, the pneumatic marking assembly 96 is arranged on the mounting seat 6 and is located on the other side of the hardness tester assembly 94 for pneumatically marking the workpiece.

[0063] Furthermore, as Figure 1 shown, a large workpiece hardness tester according to an embodiment of the present invention further includes: a shock pad 91, and the shock pad 91 is arranged at the bottom of the base 1.

[0064] Furthermore, as Figure 1 shown, a fixture 92 for fixing the workpiece is provided on the moving platform 7 to ensure the stability of the workpiece placement.

[0065] Furthermore, as Figure 1 shown, a large workpiece hardness tester according to an embodiment of the present invention further includes: a PLC control panel 93, and the PLC control panel 93 is connected to the gantry 2.

[0066] Tooling principle:

[0067] Place the workpiece to be detected on the moving platform 7 and fix it through the fixture 92. Then, according to the usage requirements, control the operation of the first motor 36, the second motor 54, and the third motor 82, so that the hardness tester assembly 94, the milling assembly 95, or the pneumatic marking assembly 96 moves relative to the workpiece to a specified position for corresponding processing at a specified point.

[0068] As described above, with reference to Figures 1 to 3 a large workpiece hardness tester according to an embodiment of the present invention is described. The hardness tester is stably installed on a special mounting seat 6. This mounting seat 6 not only provides stable support for the hardness tester but also integrates a lifting structure and a first moving mechanism, enabling the hardness tester to move precisely along the vertical direction (Z-axis) and the horizontal lateral direction (Y-axis).

[0069] Meanwhile, the large workpiece is firmly fixed on another moving platform 7. The moving platform 7 is driven by a second moving mechanism and is specifically responsible for moving the workpiece along the horizontal longitudinal direction (X-axis). Through such a design, a motion system in a three-dimensional space is constructed, which can flexibly adjust the relative position between the hardness tester and the workpiece.

[0070] During the detection process, first, the height of the hardness tester on the Z-axis is precisely adjusted through the lifting structure to ensure that it can accurately contact the surface to be measured of the workpiece. Subsequently, the first moving mechanism is used to move the hardness tester in the Y-axis direction to achieve the detection of different lateral positions of the workpiece. At the same time, the second moving mechanism drives the workpiece to move in the X-axis direction, enabling the hardness tester to cover the entire detection area of the workpiece.

[0071] This three-dimensional motion control mechanism ensures that the hardness tester can comprehensively and accurately detect all parts of the large workpiece, meeting the requirements for hardness detection of complex workpieces. The entire detection process is highly automated, improving the detection efficiency and accuracy, and at the same time reducing the labor intensity of the operators.

[0072] Moreover, in this case, the hardness tester assembly, milling assembly, and pneumatic marking assembly are integrated on the mounting base, which can simultaneously meet the operations such as hardness tester detection, workpiece milling, and pneumatic marking, increasing the practicality.

[0073] It should be noted that in this specification, 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 not only includes those elements but also includes other elements not expressly listed, or also includes elements inherent to such a process, method, article or device. Without further limitation, an element defined by the statement "comprising..." does not exclude the presence of additional identical elements in the process, method, article or device including the said element.

[0074] Although the content of the present utility model has been introduced in detail through the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation to the present utility model. After those skilled in the art have read the above content, various modifications and substitutions to the present utility model will be obvious. Therefore, the protection scope of the present utility model should be defined by the appended claims.

Claims

1. A large workpiece hardness tester, characterized in that: Include: Base; A gantry, the gantry being arranged on the top of the base; A lifting mechanism, the lifting mechanism is connected to the gantry and provides a driving force for Z-axis movement; A crossbeam, wherein the crossbeam is connected to the output end of the lifting mechanism and is lifted and lowered under the drive of the lifting mechanism; A first moving mechanism, the first moving mechanism is connected to the crossbeam and provides a driving force for Y-axis movement; A mounting seat connected to an output end of the first moving mechanism; A mobile platform, wherein the mobile platform is arranged on the base in a guided sliding manner; A second moving mechanism, the second moving mechanism is connected to the base and the moving platform, and drives the moving platform to move along the X-axis on the base; A hardness tester assembly, wherein the hardness tester assembly is mounted on the mounting seat; A milling assembly, the milling assembly being arranged on the mounting seat and located on one side of the hardness tester assembly; A pneumatic marking assembly is arranged on the mounting seat and is located on the other side of the hardness tester assembly.

2. The large workpiece hardness tester according to claim 1, characterized in that: The lifting mechanism comprises: A pair of first placement slots, the pair of first placement slots being arranged on both sides of the gantry; A storage cavity, the storage cavity is opened on the top of the gantry; A pair of first screw rods, the pair of first screw rods are respectively rotatably connected in the pair of first placement grooves, and both penetrate the pair of first placement grooves and extend into the storage cavity, and the pair of first screw rods are assembled on both sides of the crossbeam; A pair of first slide rails, the pair of first slide rails are respectively arranged in the pair of first placement grooves, and the pair of first slide rails are assembled on both sides of the crossbeam for guiding; a first belt transmission mechanism, the first belt transmission mechanism is located in the storage cavity, and a driving wheel and a driven wheel of the first belt transmission mechanism are respectively sleeved on the pair of first screw rods; A first motor is located in the storage cavity, and an output end of the first motor is connected to a driving wheel of the first belt transmission mechanism.

3. The large workpiece hardness tester according to claim 2, characterized in that: The lifting mechanism further comprises: a pair of first dust covers, and the pair of first dust covers are respectively covered on the pair of first placement grooves.

4. The large workpiece hardness tester according to claim 1, characterized in that: The first moving mechanism comprises: a second placement groove, wherein the second placement groove is arranged on the crossbeam; a second screw rod, the second screw rod being rotatably connected in the second placement groove, and the second screw rod being assembled on the mounting seat; a second slide rail, the second slide rail being disposed in the second placement groove and being assembled on the mounting seat; a second motor, the second motor being disposed in the second placement slot; A second belt transmission mechanism, wherein a driving wheel of the second belt transmission mechanism is connected to an output end of the second motor, and a driven wheel of the second belt transmission mechanism is connected to one end of the second screw rod.

5. The large workpiece hardness tester according to claim 4, characterized in that: The first moving mechanism further includes: a second dust cover, and the second dust cover is covered on the second placement groove.

6. The large workpiece hardness tester according to claim 1, characterized in that: The second moving mechanism comprises: a third screw rod, the third screw rod being rotatably connected to the base; A third motor, wherein an output end of the third motor is connected to one end of the third screw rod; A transmission block is sleeved on the third screw rod and connected to the bottom of the mobile platform.

7. The large workpiece hardness tester according to claim 6, characterized in that: The second moving mechanism further includes: a third dust cover, and the third dust cover is covered on the top of the base.

8. The large workpiece hardness tester according to claim 1, characterized in that: It also includes a shock-absorbing pad, which is arranged at the bottom of the base.

9. The large workpiece hardness tester according to claim 1, characterized in that: The movable platform is provided with a fixture for fixing the workpiece.

10. The large workpiece hardness tester according to claim 1, characterized in that: It also includes: a PLC control panel, and the PLC control panel is connected to the gantry.

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