Automatic hardness testing mechanism for threaded workpiece

Abstract

The utility model provides an automatic hardness testing mechanism for a threaded workpiece, and belongs to the technical field of hardness testing mechanisms for threaded workpieces. The thread workpiece hardness automatic testing mechanism comprises a transverse movement servo module and a hardness testing assembly. The hardness testing assembly comprises a mounting frame and a base plate of an L-shaped structure, the transverse movement servo module drives the mounting frame to move in the transverse position, a main telescopic air cylinder is mounted on one side of the mounting frame, and the output rod end of the main telescopic air cylinder and the base plate are fixedly arranged. The main telescopic cylinder pushes the seat plate to drive the hardness test pen to move downwards until the bottom end of the hardness test pen is in parallel contact with the detection surface of the product, and the percussion cylinder percussion the hardness test pen to operate to automatically detect the hardness of the product. The thread workpiece hardness automatic testing mechanism is installed in a thread detection machine, can test the hardness of a product while the thread detection machine detects the thread of the workpiece, enriches the functions of equipment, and improves the detection progress of the whole process of the product.

Description

Technical Field

[0001] The utility model relates to the technical field of threaded workpiece hardness testing mechanisms, in particular to an automatic threaded workpiece hardness testing mechanism. Background Art

[0002] After the production of threaded workpieces, in order to confirm whether the threads on the workpieces are qualified, the thread gauge on the thread inspection machine can be inserted into the screw or screw hole to quickly inspect the threads on the workpiece products. The thread inspection machines in the prior art mainly use integrated go gauges, that is, they use go and no-go gauges to inspect the threads on multiple workpieces. However, the thread inspection machines in the prior art only use go and no-go gauges to inspect the threads on the workpieces, and cannot test the hardness of the threaded product workpieces. If the corresponding automatic hardness inspection mechanism can be added so that the thread inspection machine can perform hardness inspection while inspecting the threads of the threaded product workpieces, the richness of the thread inspection machine's inspection can be effectively improved. Utility Model Content

[0003] In order to make up for the above shortcomings, the utility model provides an automatic testing mechanism for the hardness of a threaded workpiece, aiming to improve the thread detection machine in the prior art, which only uses a go / no-go gauge to detect the threads on the workpiece product but cannot test the hardness of the threaded product workpiece.

[0004] The utility model is achieved in this way:

[0005] The utility model provides an automatic testing mechanism for the hardness of a threaded workpiece, comprising a lateral movement servo module and a hardness testing component.

[0006] The hardness testing assembly includes a mounting frame and an L-shaped seat plate, the transverse movement servo module drives the mounting frame to move in a lateral position, a main telescopic cylinder is installed on one side of the mounting frame, the output rod end of the main telescopic cylinder is fixed to the seat plate, a firing cylinder and a loading cylinder are respectively installed on the side of the seat plate away from the mounting frame, a hardness testing pen is arranged on the bottom end of the seat plate away from the mounting frame, the loading cylinder pushes the hardness testing pen to load, and the output rod end of the firing cylinder fires the hardness testing pen to detect the hardness of the threaded product workpiece.

[0007] In one embodiment of the utility model, the hardness test pen comprises a test pen body, the bottom and top of the test pen body are provided with a test head and a firing button respectively, and a loading rod is arranged outside the test pen body.

[0008] In an embodiment of the utility model, a collar is fixedly provided on the outside of the loading rod, and a contact block is fixedly provided on the output rod end of the loading cylinder.

[0009] In one embodiment of the utility model, the transverse movement servo module includes a back plate and a leg member, the two leg members are respectively fixed on both sides of the back of the back plate, a motor is installed at one end of the front side of the back plate, a support is slidably arranged on the front side of the back plate, a threaded rod is connected to the output shaft end of the motor, the threaded rod is screwed through the support, and the support is fixedly connected to the mounting frame.

[0010] In an embodiment of the utility model, a fixing plate is arranged on the front side of the back plate, and the threaded rod is rotatably arranged with the fixing plate.

[0011] In an embodiment of the utility model, the leg member includes a bottom plate and a vertical rod, and the vertical rod is fixed to the bottom plate and the back plate respectively.

[0012] In an embodiment of the present utility model, the hardness testing assembly further includes a calibration base and a hardness calibration block, and the hardness calibration block is arranged above the calibration base.

[0013] The beneficial effect of the utility model is that the utility model obtains an automatic hardness testing mechanism for threaded workpieces through the above design, the main telescopic cylinder pushes the seat plate to drive the hardness testing pen to move downward until the bottom end of the hardness testing pen is in parallel contact with the product detection surface, and the firing cylinder fires the hardness testing pen to automatically detect the hardness of the product. The automatic hardness testing mechanism for threaded workpieces is installed in a thread detection machine, and the hardness of the product can be tested while the thread detection machine detects the thread of the workpiece, enriching the function of the equipment and improving the overall process detection progress of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram of an automatic testing mechanism for hardness of a threaded workpiece provided by an embodiment of the utility model;

[0016] Figure 2 A schematic diagram of the structure of a lateral servo module provided in an embodiment of the utility model;

[0017] Figure 3 A schematic diagram of the hardness testing assembly structure provided by the embodiment of the utility model;

[0018] Figure 4 This is a schematic structural diagram of a hardness testing pen provided in an embodiment of the utility model.

[0019] In the figure: 10-transverse servo module; 110-back plate; 120-leg member; 121-bottom plate; 122-vertical pole; 130-motor; 140-threaded rod; 150-support; 160-fixed plate; 20-hardness test assembly; 210-mounting frame; 220-main telescopic cylinder; 230-seat plate; 240-firing cylinder; 250-hardness test pen; 251-test pen body; 252-test head; 253-loading rod; 254-firing button; 260-loading cylinder; 270-calibration base; 280-hardness calibration block; 291-contact block; 292-ring. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example

[0022] See also Figure 1-Figure 4 The utility model provides an automatic testing mechanism for the hardness of a threaded workpiece, comprising a lateral movement servo module 10 and a hardness testing assembly 20.

[0023] The lateral movement servo module 10 drives the hardness testing assembly 20 to move laterally, and the hardness testing assembly 20 can test the hardness of the product.

[0024] See also Figure 2 and Figure 3 The hardness testing assembly 20 includes a mounting frame 210 and an L-shaped seat plate 230. The lateral movement servo module 10 drives the mounting frame 210 to move in a lateral position. A main telescopic cylinder 220 is installed on one side of the mounting frame 210. The output rod end of the main telescopic cylinder 220 is fixed to the seat plate 230 by bolts. A firing cylinder 240 and a loading cylinder 260 are respectively installed on the side of the seat plate 230 away from the mounting frame 210. A hardness testing pen 250 is provided on the side of the bottom end of the seat plate 230 away from the mounting frame 210. The loading cylinder 260 pushes the hardness testing pen 250 to load, and the output rod end of the firing cylinder 240 fires the hardness testing pen 250 to detect the hardness of the threaded product workpiece.

[0025] In the standby state, the loading cylinder 260 preloads the hardness test pen 250 and waits. When the threaded product workpiece on the loaded product carrier moves to the hardness test station, the transverse servo module 10 drives the mounting frame 210 to move horizontally, so that the hardness test pen 250 on one side of the seat plate 230 moves to the top of the product. The main telescopic cylinder 220 pushes the seat plate 230 to drive the hardness test pen 250 to move downward until the bottom end of the hardness test pen 250 is in parallel contact with the product detection surface, and the firing cylinder 240 fires the hardness test pen 250 to automatically detect the hardness of the product. The automatic hardness testing mechanism for threaded workpieces is installed in a thread detection machine. It can test the hardness of the product while the thread detection machine detects the threads of the workpiece, enriching the functions of the equipment and improving the overall process detection progress of the product.

[0026] In the above specific implementation, please refer to Figure 4 The hardness test pen 250 includes a test pen body 251, and the bottom and top of the test pen body 251 are respectively provided with a test head 252 and a firing button 254, and a loading rod 253 is arranged outside the test pen body 251. A collar 292 is fixedly arranged outside the loading rod 253, and a contact block 291 is fixedly arranged at the output rod end of the loading cylinder 260. The output rod end of the loading cylinder 260 pushes the contact block 291 to contact the collar 292 outside the loading rod 253 to load the test pen. The firing button 254 at the top of the test pen body 251 is triggered by the output rod end of the firing cylinder 240 to cause the test pen body 251 to run, and the firing pin in the test head 252 falls naturally, and the hardness detection value is fed back to the PLC touch screen, and the product hardness detection is judged to be OK or NG according to the set value.

[0027] For specific settings, see Figure 2 The lateral movement servo module 10 includes a back plate 110 and a leg member 120. The two leg members 120 are respectively fixed on both sides of the back of the back plate 110. A motor 130 is installed at one end of the front of the back plate 110. A support 150 is slidably arranged on the front of the back plate 110. The output shaft end of the motor 130 is connected to a threaded rod 140. The threaded rod 140 and the output shaft end of the motor 130 are fixed by a coupling. The threaded rod 140 is threadedly connected to the support 150, and the support 150 is fixedly connected to the mounting frame 210. The output shaft end of the motor 130 drives the threaded rod 140 to rotate, and the rotating threaded rod 140 drives the support 150 to move horizontally on the front of the back plate 110, that is, drives the mounting frame 210 and the hardness test pen 250 to move and adjust in the horizontal position.

[0028] Further, a fixing plate 160 is provided on the front of the back plate 110, and the threaded rod 140 is rotatably arranged with the fixing plate 160. The fixing plate 160 is used to further stably support the threaded rod 140. The leg member 120 includes a bottom plate 121 and a vertical rod 122, and the vertical rod 122 is respectively fixed to the bottom plate 121 and the back plate 110 by bolts.

[0029] Specifically, see Figure 3 The hardness testing assembly 20 further includes a calibration base 270 and a hardness calibration block 280. The hardness calibration block 280 is disposed above the calibration base 270. The hardness calibration block 280 is used to calibrate the hardness testing pen 250.

[0030] It should be noted that the specific models and specifications of the motor 130, the main telescopic cylinder 220, the firing cylinder 240, the loading cylinder 260, and the hardness test pen 250 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in this field, so it will not be described in detail. The power supply and principle of the motor 130, the main telescopic cylinder 220, the firing cylinder 240, the loading cylinder 260, and the hardness test pen 250 are clear to those skilled in the art and will not be described in detail here.

[0031] The working principle of the automatic testing mechanism for the hardness of threaded workpieces: When in use, in the standby state, the loading cylinder 260 pre-loads the hardness test pen 250 and waits. When the threaded product workpiece on the loaded product carrier moves to the hardness testing station, the transverse servo module 10 drives the mounting frame 210 to move horizontally, so that the hardness test pen 250 on one side of the seat plate 230 moves to above the product. The main telescopic cylinder 220 pushes the seat plate 230 to drive the hardness test pen 250 to move downward until the bottom end of the hardness test pen 250 is in parallel contact with the product detection surface, and the firing cylinder 240 fires the hardness test pen 250 to automatically detect the hardness of the product. The automatic testing mechanism for the hardness of threaded workpieces is installed in a thread detection machine. It can test the hardness of the product while the thread detection machine detects the thread of the workpiece, enriching the function of the equipment and improving the overall process detection progress of the product.

[0032] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An automatic testing mechanism for the hardness of a threaded workpiece, characterized in that: include Transverse movement servo module (10); A hardness testing assembly (20), the hardness testing assembly (20) comprising a mounting frame (210) and a seat plate (230) of an L-shaped structure, the transverse movement servo module (10) driving the mounting frame (210) to move in a transverse position, a main telescopic cylinder (220) being mounted on one side of the mounting frame (210), an output rod end of the main telescopic cylinder (220) being fixedly arranged with the seat plate (230), a firing cylinder (240) and a loading cylinder (260) being respectively mounted on a side of the seat plate (230) away from the mounting frame (210), a hardness testing pen (250) being arranged on a side of the bottom end of the seat plate (230) away from the mounting frame (210), the loading cylinder (260) pushing the hardness testing pen (250) to load, and the output rod end of the firing cylinder (240) firing the hardness testing pen (250) to detect the hardness of a threaded product workpiece.

2. The automatic testing mechanism for the hardness of a threaded workpiece according to claim 1, characterized in that: The hardness test pen (250) comprises a test pen body (251), the bottom and top ends of the test pen body (251) are respectively provided with a test head (252) and a firing button (254), and a loading rod (253) is arranged outside the test pen body (251).

3. The automatic testing mechanism for the hardness of a threaded workpiece according to claim 2, characterized in that: A collar (292) is fixedly provided on the outside of the loading rod (253), and a contact block (291) is fixedly provided on the output rod end of the loading cylinder (260).

4. The automatic testing mechanism for the hardness of a threaded workpiece according to claim 1, characterized in that: The transverse movement servo module (10) includes a back plate (110) and a leg member (120), wherein the two leg members (120) are respectively fixed on both sides of the back of the back plate (110), a motor (130) is installed at one end of the front of the back plate (110), a support (150) is slidably arranged on the front of the back plate (110), a threaded rod (140) is connected to the output shaft end of the motor (130), the threaded rod (140) is threadedly connected to the support (150), and the support (150) is fixedly connected to the mounting frame (210).

5. The automatic testing mechanism for the hardness of a threaded workpiece according to claim 4, characterized in that: A fixing plate (160) is arranged on the front side of the back plate (110), and the threaded rod (140) is rotatably arranged with the fixing plate (160).

6. The automatic testing mechanism for the hardness of a threaded workpiece according to claim 4, characterized in that: The leg member (120) comprises a bottom plate (121) and a vertical rod (122), and the vertical rod (122) is respectively fixedly arranged on the bottom plate (121) and the back plate (110).

7. The automatic testing mechanism for the hardness of a threaded workpiece according to claim 1, characterized in that: The hardness testing assembly (20) further comprises a calibration base (270) and a hardness calibration block (280), wherein the hardness calibration block (280) is arranged above the calibration base (270).

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