Roughness profile detector

Abstract

The utility model discloses a roughness profile detector which comprises an operation table, a moving device is arranged at the top end of the operation table, a measuring rod is arranged on the front face of the moving device, a connecting rod is arranged on the front face of the moving device, a quick connecting mechanism is arranged at one end of the measuring rod, and a connecting cylinder is arranged on the front face of the connecting rod. The quick connecting mechanism comprises a connecting assembly and a guiding assembly, the connecting assembly comprises a locking block, and the guiding assembly comprises guiding grooves which are symmetrically formed; according to the utility model, the design of the measuring rod, the guide block, the extrusion block and the quick connection mechanism is utilized, and the guide block and the guide groove are matched with each other, so that when the measuring rod and the connecting cylinder are installed, the phenomenon that the measuring rod is inclined is avoided, and quick disassembly of the measuring rod can be realized through interspersed connection of the locking block and the locking hole; and the gap between the guide groove and the guide block is filled by the extrusion block, so that the stability of the measuring rod and the connecting cylinder after installation can be ensured, and the convenience of the installation of the measuring rod is improved.

Description

Technical Field

[0001] The utility model relates to the field of mobile devices, in particular to a roughness profile detector. Background Art

[0002] The surface roughness profiler uses a profile centerline as the evaluation reference, and uses six parameters to evaluate the surface quality: profile arithmetic mean deviation, ten-point height of micro-roughness, profile maximum height, average spacing of profile micro-roughness, average spacing of single peaks of profile, profile support length rate, etc., to finally obtain the required surface roughness test instrument. When replacing different types of probes of the profiler, the probe rod needs to be replaced. During the process of replacing the probe rod, the mounting screws need to be unscrewed to disassemble the probe rod. After the probe is replaced, the probe rod needs to be reinstalled. When the probe rod is installed, the mounting screws are fixed by extrusion, so the probe rod will rotate. When the probe is installed, the verticality of the probe needs to be maintained. Therefore, the position of the probe rod needs to be adjusted multiple times, and the mounting screws need to be rotated to fix the probe rod, making the installation of the probe rod inconvenient. Utility Model Content

[0003] The purpose of the utility model is to provide a roughness profile detector to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a roughness profile detector, comprising an operating table, a moving device is arranged on the top of the operating table, a measuring rod for installing a measuring needle is arranged on the front of the moving device, a connecting rod for connecting with the measuring rod is arranged on the front of the moving device, a quick-connect mechanism for quickly connecting with the connecting rod is arranged at one end of the measuring rod, a connecting cylinder for connecting with the quick-connect mechanism is arranged on the front of the connecting rod, the quick-connect mechanism comprises a connecting assembly and a guide assembly, the connecting assembly comprises a locking block, and the guide assembly comprises symmetrically arranged guide grooves.

[0005] Preferably, the front side of the connecting rod is fixedly connected to the back side of the connecting tube, and the top end of the connecting tube is provided with a locking hole for inserting a locking block.

[0006] Preferably, a plug-in slot for inserting the measuring rod is provided on the front side of the connecting tube, and guide blocks are fixedly connected to both sides of the inner wall of the plug-in slot.

[0007] Preferably, the cross-sections of the guide groove and the guide block are both rectangular.

[0008] Preferably, the top end and the bottom end of the guide block are respectively fixedly connected with extrusion blocks for filling the gap between the guide block and the guide groove.

[0009] Preferably, an oblique angle is provided at one end of the extrusion block facing the measuring rod, and the oblique angle facilitates the insertion and connection between the extrusion block and the guide groove.

[0010] Preferably, the bevel opening angle is between 20° and 40°.

[0011] Preferably, a cavity for installing a locking block is formed at the end of the measuring rod, a through hole for inserting the locking block is formed at the top of the cavity, a baffle is fixedly connected to the bottom end of the locking block, and an elastic block for pushing the baffle to move is provided at the bottom end of the baffle.

[0012] Technical effects and advantages of the utility model:

[0013] The utility model utilizes the design of a measuring rod, a guide block, an extrusion block and a quick-connect mechanism. The guide block and the guide groove cooperate with each other, so that the measuring rod will not be skewed when it is installed with the connecting tube. The interlaced connection between the locking block and the locking hole can realize the quick disassembly of the measuring rod. The gap between the guide groove and the guide block is filled by the extrusion block, so the stability of the measuring rod and the connecting tube after installation can be guaranteed, thereby improving the convenience of measuring rod installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0015] Figure 2 For this utility model Figure 1 A is a schematic diagram of the enlarged structure.

[0016] Figure 3 This is a schematic diagram of the connecting rod structure of the utility model.

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the measuring rod of the utility model.

[0018] Figure 5 This is a schematic diagram of the cross-sectional structure of the measuring rod of the utility model.

[0019] In the figure: 1. operating table; 2. moving device; 3. measuring rod; 4. connecting rod; 5. connecting cylinder; 6. guide groove; 7. guide block; 8. extrusion block; 9. locking block; 10. baffle; 11. elastic block. DETAILED DESCRIPTION

[0020] 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.

[0021] The utility model provides Figure 1-5 A roughness profile detector shown in the figure includes an operating table 1, a moving device 2 is arranged on the top of the operating table 1, a measuring rod 3 for installing a measuring needle is arranged on the front of the moving device 2, a connecting rod 4 for connecting with the measuring rod 3 is arranged on the front of the moving device 2, a quick-connect mechanism for quickly connecting with the connecting rod 4 is arranged at one end of the measuring rod 3, a connecting cylinder 5 for connecting with the quick-connect mechanism is arranged on the front of the connecting rod 4, the quick-connect mechanism includes a connecting assembly and a guide assembly, the connecting assembly includes a locking block 9, and the guide assembly includes a symmetrically opened guide groove 6.

[0022] Specifically, the operating table 1, the moving device 2, the measuring rod 3 and the connecting rod 4 constitute the existing model MMD-PG100 roughness profiler, which is a contact detector. The measuring needle at one end of the measuring rod 3 directly contacts the surface of the workpiece, and records the ups and downs of the workpiece surface along the movement trajectory of the measuring needle on the workpiece surface to detect the roughness of the workpiece surface. The outer wall of the connecting rod 4 is provided with a thread for threaded connection of a protective sleeve. The protective sleeve is sleeved on the connecting portion of the connecting rod 4 and the measuring rod 3, thereby protecting the connecting portion of the connecting rod 4 and the measuring rod 3.

[0023] Specifically, the front side of the connecting rod 4 is fixedly connected to the back side of the connecting tube 5, a locking hole for inserting the locking block 9 is provided at the top end of the connecting tube 5, a cavity for installing the locking block 9 is provided at the end of the measuring rod 3, an insertion hole for inserting the locking block 9 is provided at the top end of the cavity, a baffle 10 is fixedly connected to the bottom end of the locking block 9, an elastic block 11 for pushing the baffle 10 to move is provided at the bottom end of the baffle 10, a plug-in groove for inserting the measuring rod 3 is provided at the front side of the connecting tube 5, guide blocks 7 are fixedly connected on both sides of the inner wall of the plug-in groove, the cross-sections of the guide groove 6 and the guide block 7 are both rectangular, the top and bottom ends of the guide block 7 are fixedly connected with extrusion blocks 8 for filling the gap between the guide block 7 and the guide groove 6, an oblique angle is provided at the end of the extrusion block 8 facing the measuring rod 3, the oblique angle facilitates the insertion and connection of the extrusion block 8 and the guide groove 6, and the angle of the oblique angle is between 20°-40°.

[0024] Further, the diameter of the connecting tube 5 is 0.8 times the diameter of the connecting rod 4, the size of the locking hole is 1.02 times the size of the locking block 9, the shape of the locking hole is the same as the shape of the locking block 9, the locking hole is arranged at the top of the inner wall of the plug-in slot, the size of the guide block 7 is 0.98 times the size of the guide slot 6, the length of the guide block 7 is equal to the length of the guide slot 6, two guide blocks 7 are arranged symmetrically on both sides of the inner wall of the plug-in slot, the symmetrically arranged guide blocks 7 and the locking hole are arranged in a T-shaped direction, and the quick mechanism is arranged between the connecting rod 4 and the measuring rod 3, the guide groove 6 is symmetrically arranged on both sides of the end of the measuring rod 3 facing the connecting rod 4, the guide groove 6 and the locking block 9 are symmetrically arranged in a T-shaped direction, the direction of the locking block 9 is opposite to the direction of the measuring needle, four extrusion blocks 8 are arranged, which are respectively arranged at the top and bottom ends of the two guide blocks 7, the bevel angle of the extrusion block 8 is 30°, the extrusion block 8 is made of elastic rubber material, and the extrusion block 8 can ensure the stability of the connection between the guide block 7 and the guide groove 6 through its own restoring force, so as to ensure that the measuring rod 3 is installed in the connecting tube 5 without any The thickness of the extrusion block 8 is 1.02 times the thickness of the guide groove 6 and the side opposite to the guide groove 6. The size of the insertion hole is the same as the size of the locking hole. The size of the baffle 10 is 1.2 times the size of the insertion hole. The top and bottom ends of the elastic block 11 are fixedly connected to the bottom end of the baffle 10 and the bottom end of the inner wall of the cavity respectively. The elastic block 11 and the baffle 10 are both arranged in the cavity. The elastic block 11 is always in a compressed state in the cavity, pushing the baffle 10 to move toward the insertion hole, and by pressing the locking block 9 to move toward the measuring rod 3, Then insert the measuring rod 3 into the plug-in slot, the inner wall of the guide slot 6 will squeeze the inclined surface of the extrusion block 8, thereby facilitating the extrusion block 8 to enter the guide slot 6, as the locking block 9 moves to the locking hole position, under the action of the restoring force of the elastic block 11, the baffle 10 is pushed to move towards the locking hole, the baffle 10 drives the locking block 9 to connect the locking block 9 with the locking hole, so as to realize the quick connection between the measuring rod 3 and the connecting tube 5, wherein the cooperation between the guide block 7 and the guide slot 6 can play a guiding role in the installation of the measuring rod 3, and ensure that the measuring rod 3 will not be skewed during installation.

[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A roughness profile detector, comprising an operating table (1), wherein a moving device (2) is arranged on the top of the operating table (1), characterized in that: The front of the mobile device (2) is provided with a measuring rod (3) for mounting a measuring needle, the front of the mobile device (2) is provided with a connecting rod (4) for connecting with the measuring rod (3), one end of the measuring rod (3) is provided with a quick-connect mechanism for quickly connecting with the connecting rod (4), the front of the connecting rod (4) is provided with a connecting cylinder (5) for connecting with the quick-connect mechanism, the quick-connect mechanism comprises a connecting assembly and a guide assembly, the connecting assembly comprises a locking block (9), and the guide assembly comprises a symmetrically arranged guide groove (6).

2. A roughness profile detector according to claim 1, characterized in that: The front side of the connecting rod (4) is fixedly connected to the back side of the connecting tube (5), and the top end of the connecting tube (5) is provided with a locking hole for inserting a locking block (9).

3. A roughness profile detector according to claim 1, characterized in that: The front side of the connecting tube (5) is provided with an inserting groove for inserting the measuring rod (3), and guide blocks (7) are respectively fixedly connected to the two sides of the inner wall of the inserting groove.

4. A roughness profile detector according to claim 3, characterized in that: The cross sections of the guide groove (6) and the guide block (7) are both rectangular.

5. A roughness profile detector according to claim 3, characterized in that: The top and bottom ends of the guide block (7) are respectively fixedly connected with extrusion blocks (8) for filling the gap between the guide block (7) and the guide groove (6).

6. A roughness profile detector according to claim 5, characterized in that: An oblique angle is provided at one end of the extrusion block (8) facing the measuring rod (3), and the oblique angle facilitates the extrusion block (8) to be inserted and connected with the guide groove (6).

7. A roughness profile detector according to claim 6, characterized in that: The bevel opening angle is between 20° and 40°.

8. The roughness profile detector according to claim 1, characterized in that: The end of the measuring rod (3) is provided with a cavity for installing a locking block (9), the top of the cavity is provided with an insertion hole for inserting the locking block (9), the bottom end of the locking block (9) is fixedly connected with a baffle (10), and the bottom end of the baffle (10) is provided with an elastic block (11) for pushing the baffle (10) to move.

Images