A parts final inspection machine

Abstract

The application relates to a kind of parts final inspection machine, including rack, in and out material assembly module, material taking module, height detection module and rotary table assembly detection module;The upper end of rack is formed with supporting surface;In and out material assembly module is set to one side of supporting surface, height detection module and rotary table assembly detection module are set to the other side of supporting surface;Height detection module is located at the side of rotary table assembly detection module, rotary table assembly detection module includes horizontal rotary table, six stations are uniformly arranged on horizontal rotary table along circumference, and final inspection module is arranged on the outer periphery of horizontal rotary table;Final inspection module includes small tooth visual detection unit, small head center hole detection unit, helical tooth outer diameter ring gauge detection unit, helical tooth mistake-proof detection unit, laser marking unit, scanning rating unit;Material taking module is set on supporting surface, the automation of the present application realizes the feeding and discharging of parts and shifts work between each detection procedure, effectively improves detection efficiency, and improves the degree of automation.

Description

Technical Field

[0001] The present invention relates to the technical field of parts production and testing equipment, and in particular to a parts final inspection machine. Background Art

[0002] In the equipment production process, a variety of parts are needed, some of which are designed separately for specific equipment. Such parts do not have a unified design standard and are generally called non-standard parts. Unlike standard parts, which have unified regulations in terms of size, shape, process, etc., non-standard parts have certain personalized characteristics. Therefore, in the production process of such parts, there is no corresponding standard testing equipment to test them. Generally, they are tested step by step in an assembly line manner, and the proportion of automated testing process is low, which is not conducive to mass production. This application aims to provide a final inspection equipment for standard parts to cope with the final inspection of some parts with high complexity, high specificity and many testing processes. Summary of the Invention

[0003] Based on the above description, the present invention provides a parts final inspection machine to solve the technical problem in the prior art that the production process inspection of non-standard parts cannot form a unified inspection process and has a low degree of automation.

[0004] The technical solution of the present invention to solve the above technical problems is as follows:

[0005] A parts final inspection machine is used for the final inspection of parts. The parts include a large head, a shoulder, a waist and a small head that are connected and coaxially arranged in sequence. The outer side of the large head is formed with external teeth, and the outer side of the waist is formed with threaded bevel teeth. The outer diameters of the large head, shoulder, waist and small head decrease in sequence. It is characterized by comprising a stand, an in-and-out material assembly module, a material retrieving module, a height detection module and a turntable assembly detection module.

[0006] The upper end of the stand is formed with a supporting surface;

[0007] The inlet and outlet assembly module is arranged on one side of the supporting surface and is used to place the parts to be inspected.

[0008] The height detection module and the turntable assembly detection module are arranged on the other side of the supporting surface; the height detection module is located on one side of the turntable assembly detection module and is used to detect the axial height of the parts. The turntable assembly detection module includes a horizontal turntable, and six workstations are evenly arranged along the circumference of the horizontal turntable. A final inspection module is provided on the periphery of the horizontal turntable for inspecting the parts on the workstations; the final inspection module includes a small tooth visual inspection unit, a small head center hole inspection unit, a helical gear outer diameter ring gauge inspection unit, a helical gear error prevention inspection unit, a laser marking unit, and a scanning rating unit;

[0009] The material taking module is arranged on the supporting surface, and is used to take the parts from the feeding and discharging assembly module and transport them to the height detection module or the horizontal turntable.

[0010] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0011] The parts final inspection machine provided in the present application places parts on the feeding and unloading assembly module, and the parts are picked up by the picking module and transported to the height detection module or the horizontal turntable. The parts are height-detected on the height detection module, and then as the horizontal turntable rotates, the parts stop at six workstations to realize small tooth visual inspection, small head center hole inspection, bevel gear outer diameter ring gauge inspection, bevel gear error prevention inspection, laser marking and scanning rating, so as to realize the automation of loading and unloading of parts and the transfer between various inspection processes, without mutual interference between the various inspection mechanisms, effectively improving the inspection efficiency and the degree of automation, so that the inspection of non-standard parts can be completed quickly.

[0012] On the basis of the above technical solution, the present invention can also be improved as follows.

[0013] Furthermore, the material inlet and outlet assembly module includes multiple material trays and multiple horizontal transport mechanisms, each of the horizontal transport mechanisms is arranged in a one-to-one correspondence with the material tray, and is used to drive the material tray to move along the first direction or the second direction on the horizontal plane, the material tray includes a feeding base plate, a feeding support column and a feeding pallet, the feeding support column is vertically installed on the upper end surface of the feeding base plate, a limiting groove is formed on the feeding pallet, which cooperates with the upper end of the feeding support column, and a placement hole is formed on the feeding pallet for placing parts, and the inner diameter of the placement hole is larger than the outer diameter of the shoulder and smaller than the outer diameter of the big head.

[0014] Furthermore, the height detection module includes a height measuring stand, a linear guide rail, a height measuring support, a slide, a detection bracket, a first bushing, a guide shaft tube, a contact, a contact sleeve and a distance sensing head. The height measuring stand includes a base plate and a vertical plate. The height measuring support is slidably mounted on the base plate through the linear guide rail. The slide is mounted on the vertical plate. The detection bracket is connected to the slide and slides vertically under the drive of the slide. The detection bracket is located above the first end of the linear guide rail. The detection bracket includes an upper mounting plate and a lower mounting plate, the first bushing is connected to the lower mounting plate, the contact sleeve is coaxially mounted on the lower end of the first bushing, the contact is movably arranged on the contact sleeve, the guide shaft tube is movably inserted in the first bushing and the lower end is connected to the contact, the guide shaft tube is hollow, the lower end of the contact sleeve channel is suitable for the large head to enter, the distance sensing head is mounted on the upper mounting plate and correspondingly arranged at the upper end opening of the guide shaft tube, and the material picking module is configured to pick up and release materials when the height measuring support is located at the second end of the linear guide rail.

[0015] Furthermore, the six workstations include a material taking and placing station closest to the material loading and unloading assembly module, and a material sensor is provided on the platform for detecting whether there is material in the material taking and placing station. A gear bushing is correspondingly provided on each workstation, and a limit bearing hole is provided on the gear bushing. The aperture of the limit bearing hole is suitable for the shoulder to pass through and prevent the big head from passing through, so that the component is placed on the gear bushing with the big head facing up, and the thickness of the gear bushing is consistent with the length of the shoulder.

[0016] Furthermore, the six workstations include a small tooth visual inspection station, and the small tooth visual inspection unit includes a base and a first column. The base is fixed to one side of the small tooth visual inspection station, and the stand is formed with a small tooth visual inspection through hole corresponding to the small tooth visual inspection station. The first column is fixed to the base and is vertically arranged. The first column is sequentially provided with an upper visual inspection component, an upper visual lighting component, a lower visual lighting component and a lower visual inspection component from top to bottom. The upper visual lighting component and the lower visual lighting component are located at the upper and lower ends of the component to be tested, respectively. The upper visual inspection component is located directly above the component to be tested, and the lower visual inspection component is located directly below the component to be tested. A fixed plate is provided on the first column, and the fixed plate is arranged horizontally. The material sensor is installed at the end of the fixed plate, and the detection direction of the material sensor is toward the component to be tested located at the material picking and placing station.

[0017] Furthermore, the six workstations include a small head center hole detection station, and the small head center hole detection unit includes a first adjustable vertical plate base, a measuring center hole limiter, and a small head center hole detection assembly. The first adjustable vertical plate base includes a first adjustable base, a first adjustable bottom plate and a first vertical plate. The first adjustable base is installed on one side of the small head center hole detection station, and the first adjustable bottom plate is movably installed on the first adjustable base. The position of the first adjustable base relative to the supporting surface along a first predetermined direction is adjustable, and the position of the first adjustable bottom plate relative to the first adjustable base along a second predetermined direction is adjustable. The first predetermined direction and the second predetermined direction are both located on a horizontal plane and are arranged perpendicular to each other. The first vertical plate is fixedly installed on one side of the first adjustable bottom plate; the measuring center hole limiter is installed at the upper end of the first vertical plate for fixing the large head end face of the component to be tested; the small head center hole detection assembly is slidably installed on the side of the first vertical plate away from the first adjustable bottom plate, and the small head center hole detection assembly is used to detect the center hole of the small head end face of the component to be tested.

[0018] Furthermore, the six workstations also include a helical gear outer diameter ring gauge detection station, and the helical gear outer diameter ring gauge detection unit includes a second adjustable vertical plate base, a large head center hole detection component and a helical gear outer diameter ring gauge detection component;

[0019] The second adjustable vertical plate base includes a second adjustable base, a second adjustable bottom plate and a second vertical plate. The second adjustable base is installed on one side of the helical gear outer diameter ring gauge detection station. The second adjustable bottom plate is movably installed on the second adjustable base. The second adjustable base is adjustable relative to the supporting surface. The second adjustable bottom plate is adjustable relative to the second adjustable base. The second vertical plate is fixedly installed on one side of the second adjustable bottom plate; the big head center hole detection assembly is vertically slidably installed on the upper part of the vertical plate, and is used to detect the big head center hole of the component to be tested located at the helical gear outer diameter ring gauge detection station; the helical gear outer diameter ring gauge detection assembly is vertically slidably installed on the lower part of the vertical plate, and is used to detect the threaded helical teeth of the component to be tested.

[0020] Furthermore, the six workstations include a laser marking workstation, the bevel gear error proofing detection unit and the laser marking unit are arranged on one side of the laser marking workstation, the bevel gear error proofing detection unit includes a bevel gear lighting assembly, a second column and an image recognition sensor, the bevel gear lighting assembly includes a light source bracket and an illumination light source, the light source bracket is arranged at the oblique lower side of the laser marking workstation, and the illumination light source illuminates the bevel gear of the component to be tested located at the laser marking workstation from the oblique lower direction of the laser marking workstation;

[0021] The second column is vertically fixed to the supporting surface, the image recognition sensor is mounted on the second column and its height in the vertical direction can be adjusted, and the image recognition sensor is used to identify the helical tooth direction of the component to be tested;

[0022] The laser marking unit includes a marking bracket, a marking fixing plate, a laser marking machine and a marking clamping assembly. The marking bracket is fixed to the supporting surface, the marking fixing plate is fixed to the upper part of the marking bracket, and the laser marking machine is installed on the marking fixing plate for marking the big end face of the component to be measured at the laser marking station. The marking clamping assembly includes a pressure arm support seat, a pressure arm, a pressure driving member and a support rod. The pressure arm support seat is arranged on the outside of the laser marking station, and the pressure arm is rotatably installed on the pressure arm support seat. The pressure driving member is used to drive the pressure arm to rotate so that one end of the pressure arm is pressed against one side of the big end face to be marked. The support rod is arranged below the horizontal turntable and close to the laser marking station for supporting the horizontal turntable.

[0023] Furthermore, the six workstations include a scanning rating workstation, and the scanning rating unit includes a third column vertically fixed to the supporting surface and located on one side of the scanning rating workstation, and the third column is provided with a scanning component and a scanning lighting component from top to bottom, and the scanning component is located directly above the scanning rating workstation, and the scanning lighting component is arranged close to the upper end surface of the component to be tested.

[0024] Furthermore, the material picking module includes a material picking bracket, an I-shaped slide module, and a Z-direction material picking module. The material picking bracket is installed on one side of the turntable assembly and detection module. The I-shaped slide module is installed on the upper end of the material picking bracket. The I-shaped slide module includes two end slides and a middle slide. The two end slides are arranged in parallel, and the two ends of the middle slide are respectively slidably arranged on the two end slides.

[0025] The Z-direction material picking module includes a T-slide connecting plate, a finger fixing plate, and a finger clamping mechanical claw. The T-slide connecting plate is slidably mounted on the middle slide and vertically slidably mounted on the T-slide connecting plate. The finger clamping mechanical claw is mounted on the finger fixing plate and is used to clamp the large end of the component to be tested.

[0026] The parts final inspection machine also includes a conveyor belt material receiving module, which includes a conveyor belt, side plates and a material receiving box. One end of the conveyor belt is arranged close to the horizontal turntable, the side plates are arranged on both sides of the conveyor belt, and the material receiving box is arranged at the end of the conveyor belt away from the horizontal turntable. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1A schematic structural diagram of a component to be tested according to an embodiment of the present invention;

[0028] Figure 2 A schematic structural diagram from a first perspective of a parts final inspection machine provided by an embodiment of the present invention;

[0029] Figure 3 A schematic structural diagram from a second perspective of a parts final inspection machine provided by an embodiment of the present invention;

[0030] Figure 4 This is a structural diagram of the turntable assembly detection module and the conveyor belt material receiving module in the embodiment of the present application;

[0031] Figure 5 This is a schematic diagram of the structure of the horizontal turntable and six workstations in an embodiment of the present application;

[0032] Figure 6 This is a structural diagram of the feeding and discharging assembly module in the embodiment of the present application;

[0033] Figure 7 This is a structural diagram of the height detection module in an embodiment of the present application;

[0034] Figure 8 This is a schematic diagram of the internal structure of the height detection module in an embodiment of the present application;

[0035] Figure 9 This is a schematic structural diagram of a small tooth visual detection unit in an embodiment of the present application;

[0036] Figure 10 This is a structural diagram of the small head center hole detection unit in an embodiment of the present application;

[0037] Figure 11 This is a schematic structural diagram of a small head center hole detection assembly in an embodiment of the present application;

[0038] Figure 12 This is a schematic structural diagram of a helical gear outer diameter ring gauge detection unit in an embodiment of the present application;

[0039] Figure 13 This is a structural diagram of the large head center hole detection assembly in an embodiment of the present application;

[0040] Figure 14 This is a schematic structural diagram of a helical gear outer diameter ring gauge detection assembly in an embodiment of the present application;

[0041] Figure 15 This is a schematic structural diagram of a laser marking unit in an embodiment of the present application;

[0042] Figure 16 This is a schematic diagram of the structure of the scanning rating unit in the embodiment of the present application;

[0043] Figure 17 This is a structural diagram of the material taking and assembly module in an embodiment of the present application;

[0044] Figure 18 This is a structural diagram of the Z-direction material taking module in an embodiment of the present application. DETAILED DESCRIPTION

[0045] To facilitate understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The accompanying drawings provide embodiments of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of the present application more thorough and comprehensive.

[0046] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application pertains. The terms used herein in the specification of this application are for the purpose of describing specific embodiments only and are not intended to limit this application.

[0047] It will be understood that spatial relational terms such as "under", "beneath", "below", "under", "above", "above", etc., may be used herein to describe the relationship of an element or feature shown in the figures to other elements or features. It will be understood that in addition to the orientations shown in the figures, spatial relational terms also include different orientations of the device in use and operation. For example, if the device in the drawings is turned over, the element or feature described as "under the other elements" or "under it" or "below it" will be oriented as "on" the other elements or features. Therefore, the exemplary terms "under" and "under" may include both upper and lower orientations. In addition, the device may also include alternative orientations (e.g., rotated 90° or other orientations), and the spatial descriptors used herein are interpreted accordingly.

[0048] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element or connected to the other element through an intermediate element. In the following embodiments, "connection" should be understood as "electrical connection", "communication connection", etc., if the connected circuits, modules, units, etc. can transmit electrical signals or data to each other.

[0049] When used herein, the singular forms "a", "an", and "the" may also include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" and the like specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the possibility of the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

[0050] In the embodiments of the present application, Figure 1 A schematic structural diagram of a component to be tested according to an embodiment of the present invention; Figure 2 A schematic structural diagram from a first perspective of a parts final inspection machine provided by an embodiment of the present invention; Figure 3 This is a structural diagram of the parts final inspection machine from a second perspective; Figure 4 A schematic diagram of the structure of the turntable assembly detection module and the conveyor belt material receiving module; Figure 5 It is a structural diagram of the horizontal turntable and six workstations; Figure 6 It is a structural diagram of the feeding and discharging assembly module; Figure 7 It is a structural diagram of the height detection module; Figure 8 Schematic diagram of the internal structure of the height detection module; Figure 9 Schematic diagram of the structure of the small tooth visual detection unit; Figure 10 Schematic diagram of the structure of the small head center hole detection unit; Figure 11 This is a schematic diagram of the structure of the small head center hole detection component; Figure 12 This is a structural diagram of the helical gear outer diameter ring gauge detection unit; Figure 13 This is a schematic diagram of the structure of the large head center hole detection component; Figure 14 This is a schematic diagram of the structure of the helical gear outer diameter ring gauge detection assembly; Figure 15 It is a structural diagram of the laser marking unit; Figure 16 This is a schematic diagram of the structure of the scanning rating unit; Figure 17 This is a structural diagram of the material assembly module; Figure 18 This is a structural diagram of the Z-direction material taking module.

[0051] like Figure 1 As shown, it is a component to be inspected involved in the embodiment of the present application. The component final inspection machine provided by the present application is used for the final inspection of the production of a non-standard component. The component 100 includes a coaxially arranged big head 110, shoulder 120, waist 130 and small head 140. External teeth 111 are formed on the outside of the big head 110, and threaded bevel teeth 131 are formed on the outside of the waist 130. The outer diameters of the big head 110, shoulder 120, waist 130 and small head 140 decrease in sequence. The ends of the big head 110 and the small head 140 are designed with center holes. It can be understood that the external teeth 111 of the component can be used as a gear in conjunction with other components, and the threaded bevel teeth 13 can be used as a worm or in conjunction with other bevel teeth.

[0052] like Figure 2 and Figure 3 As shown, the parts final inspection machine includes a stand 20 , an inlet and outlet assembly module 30 , a material picking module 40 , a height detection module 50 and a turntable assembly detection module 60 .

[0053] Among them, the stand 20 is placed on the ground, and a supporting surface is formed at its upper end for supporting the entire final inspection machine structure. In this embodiment, the stand includes a hollow bracket 31 placed on the ground and a supporting platform 32 located at the upper end of the hollow bracket 31, and the supporting surface is located on the supporting platform 32.

[0054] The feeding and discharging assembly module 30 is arranged in the front area of ​​the support surface, and is used for feeding and discharging the parts 100 to be inspected.

[0055] The height detection module 50 and the turntable assembly detection module 60 are arranged in the rear area of ​​the support surface; the height detection module 50 is located on one side of the turntable assembly detection module 60 and is used to detect the axial height of the component 100.

[0056] Combine Figure 4 and Figure 5 As shown, the turntable assembly inspection module 60 includes a horizontal turntable 61, and six workstations are evenly arranged along the circumference of the horizontal turntable 61. A final inspection module 70 is arranged on the periphery of the horizontal turntable 61 for inspecting the parts 100 on the workstations; the final inspection module 70 includes a small tooth visual inspection unit 71, a small head center hole inspection unit 72, a helical gear outer diameter ring gauge inspection unit 73, a helical gear error prevention inspection unit 74, a laser marking unit 75, and a scanning rating unit 76.

[0057] The picking module 40 is disposed on the supporting surface, and is used to pick up parts from the loading and unloading assembly module 30 and transport them to the height detection module 50 or the horizontal turntable 61 .

[0058] Among them, such as Figure 6 As shown, the feed and discharge assembly module 30 includes a plurality of material trays 31 and a plurality of horizontal transport mechanisms 32. Each horizontal transport mechanism 32 is arranged in a one-to-one correspondence with the material tray 31, and is used to drive the material tray 31 to move along the first direction or the second direction on the horizontal plane. For example, the feed part moves in the first direction and the discharge part moves in the second direction. This ensures that the two movement directions will not conflict, which facilitates the arrangement of the functional modules of the entire final inspection machine. The horizontal transport mechanism 32 can adopt any form of linear motion structure. In this application, horizontal transportation of a cylinder slide rail slider is adopted.

[0059] Specifically, the material tray 31 includes a feeding base plate 311, a feeding support column 312 and a feeding pallet 313. The feeding support column 312 is vertically installed on the upper end surface of the feeding base plate 311. The feeding pallet 313 is formed with a limiting groove that cooperates with the upper end of the feeding support column 312. The feeding pallet 313 is formed with a placement hole for placing the component 100, wherein the inner diameter of the placement hole is larger than the outer diameter of the shoulder 120 and smaller than the outer diameter of the big head 110.

[0060] like Figure 7 and Figure 8As shown, the height detection module 50 includes a height measuring stand 51, a linear guide 52, a height measuring support 53, a slide 54, a detection bracket 55, a first bushing 56, a guide shaft tube 57, a contact 58, a contact sleeve 59 and a distance sensing head 591. The height measuring support 53 includes a base plate 531 and a vertical plate 532. The height measuring support 53 is slidably mounted on the base plate 531 through the linear guide 52. The slide 54 is mounted on the vertical plate 532. The detection bracket 55 is connected to the slide 54 and slides vertically under the drive of the slide 54. The detection bracket 55 is located above the first end of the linear guide 52. The detection bracket 55 is located above the first end of the linear guide 52. The frame 55 includes an upper mounting plate 551 and a lower mounting plate 552, the first bushing 56 is connected to the lower mounting plate 552, the contact sleeve 59 is coaxially installed at the lower end of the first bushing 56, the contact 58 is movably arranged in the contact sleeve 59, the guide shaft tube 57 is movably inserted in the first bushing 56 and the lower end is connected to the contact 58, the guide shaft tube 57 is hollow, and the lower end of the contact sleeve 59 is suitable for the big head 110 to enter, the distance sensing head 591 is installed on the upper mounting plate 551 and is arranged corresponding to the upper end opening of the guide shaft tube 57, and the material picking module 40 is configured to pick up and put materials when the height measuring support 53 is located at the second end of the linear guide rail 52.

[0061] Among them, the six workstations include a material taking and placing station 61a closest to the material loading and unloading assembly module 30, and a material sensor 612 is provided on the stand 20 for detecting whether there is material in the material taking and placing station 61a. A gear bushing 610 is correspondingly provided on each workstation, and a limited bearing hole is provided on the gear bushing 610. The aperture of the limited bearing hole 611 is suitable for the shoulder 120 to pass through and prevent the big head 110 from passing through, so that the component 100 is placed on the gear bushing 610 with the big head facing up, and the thickness of the gear bushing 610 is consistent with the length of the shoulder 120.

[0062] In the embodiments of this application, Figure 9As shown, the six stations include a small tooth visual inspection station 61b, and the small tooth visual inspection unit 71 includes a base 711 and a first column 712. The base 711 is fixed to one side of the small tooth visual inspection station 61b. The stand 10 is formed with a small tooth visual inspection through hole corresponding to the small tooth visual inspection station 61b. The first column 712 is fixed to the base 711 and is vertically arranged. The first column 712 is sequentially provided with an upper visual inspection component 713, an upper visual lighting component 714, a lower visual lighting component 715 and a lower visual inspection component 716 from top to bottom. 16. The upper visual lighting assembly 714 and the lower visual lighting assembly 715 are respectively located at the upper and lower ends of the component to be tested 100, the upper visual inspection assembly 713 is located directly above the component to be tested 100, and the lower visual inspection assembly 716 is located directly below the component to be tested 100; a fixed plate 717 is provided on the first column 712, and the fixed plate 717 is arranged horizontally. The material sensor 612 is installed at the end of the fixed plate, and the detection direction of the material sensor 612 is toward the component to be tested 100 located at the loading and unloading station 61a.

[0063] Combine Figure 10 As shown, the six workstations also include a small head center hole detection station 61c, and the small head center hole detection unit 72 includes a first adjustable vertical plate base 721, a measuring center hole limiter 722, and a small head center hole detection assembly 723. The first adjustable vertical plate base 721 includes a first adjustable base 7211, a first adjustable bottom plate 7212 and a first vertical plate 7213. The first adjustable base 7211 is installed on one side of the small head center hole detection station 61c, and the first adjustable bottom plate 7212 is movably installed on the first adjustable base 7211. The first adjustable base 7211 is formed with an adjustment hole along a first predetermined direction relative to the support surface, and the adjustment of the first adjustable base 7211 can be achieved by the cooperation of bolts.

[0064] The position of the first adjustable bottom plate 7212 relative to the first adjustable base 7211 along the second predetermined direction is adjustable. The first predetermined direction and the second predetermined direction are both located on a horizontal plane and are arranged perpendicular to each other, which can be understood as directions similar to the XY axis. The first vertical plate 7213 is fixedly installed on one side of the first adjustable bottom plate 7212.

[0065] The lower center hole limiter 722 is installed at the upper end of the first vertical plate 7213, and is used to fix the end face of the large head 110 of the component 100 to be tested; the small head center hole detection component 723 is slidably installed on the side of the first vertical plate 7213 away from the first adjustable base plate 7212, and the small head center hole detection component 723 is used to detect the center hole of the end face of the small head 140 of the component 100 to be tested.

[0066] Specifically, such as Figure 11As shown, the small head center hole detection assembly 723 includes a first L-plate 7231, a first XY-axis adjustable slide 7232, a small head center hole contact 7233, a first bushing 7234, a small head center hole standard detection rod 7235, a first limiting ring 7236, a first probe fixing L-plate 7237, a small head center hole sensor probe 7238 and a first compression spring 7239.

[0067] The first L-plate 7231 is slidably mounted on the first vertical plate 7213 and is formed with a first through hole. The first XY-axis adjustable slide 7232 is mounted on the lower end of the first L-plate 7231. The first bushing 7234 passes through the first L-plate 7231 and the first XY-axis adjustable slide 7232 and is fixed to the lower end of the first XY-axis adjustable slide 7232.

[0068] Among them, the small head center hole contact 7233 is fixed to the upper end of the first bushing 7234, the small head center hole standard detection rod 7235 includes a first rod body 72351 and a first standard joint 72352, the first rod body 72351 is movably arranged in the first bushing 7234, the first standard joint 72352 is connected to the upper end of the first rod body 72351, and a through hole is formed on the small head center hole contact 7233 to cooperate with the first standard joint 72352. The first limiting ring 7236 is connected to the outside of the first rod body 72351 and is arranged at the lower end of the first bushing 7234. The outer diameter of the limiting ring 7234 is larger than the inner diameter of the first bushing 7234.

[0069] The first probe fixing L-plate 7237 is installed on the lower end of the first XY-axis adjustable slide 7232, the small head center hole sensor probe 7238 is locked on the first probe fixing L-plate 7237, the small head center hole sensor probe 7238 is coaxially arranged with the first rod body 72351, and the first compression spring 7239 is arranged between the first limit ring 7236 and the first probe fixing L-plate 7237.

[0070] The small head center hole detection assembly 723 is configured so that when the first limiting ring 7236 contacts the bottom of the first bushing 7234 , the first standard connector 72352 extends a predetermined distance from the upper end surface of the small head center hole contact 7233 .

[0071] The upper end of the first standard connector 72352 is configured to be in the standard shape of the center hole of the small head 140 .

[0072] During specific inspection, the component 100 to be tested rotates with the horizontal turntable 61 to the small head center hole inspection station 61c. At this time, the center hole limiter 722 is measured to abut against the large head end face of the component 100. Then, after adjusting the verticality of the small head center hole standard inspection rod 7235 through the first XY axis adjustable slide 7232, the small head center hole detection assembly 723 is driven to move upward as a whole, so that the small head center hole contact 7233 contacts the end face of the small head 140. At this time, the displacement of the small head center hole standard inspection rod 7235 detected by the small head center hole sensor probe 7238 can be used to determine whether the center hole of the small head 140 meets the processing requirements.

[0073] Among them, such as Figures 12-14 As shown, the six workstations also include a helical gear outer diameter ring gauge detection workstation 61d, and the helical gear outer diameter ring gauge detection unit 73 includes a second adjustable vertical plate base 731, a large head center hole detection assembly 732 and a helical gear outer diameter ring gauge detection assembly 733.

[0074] Among them, the second adjustable vertical plate base 731 includes a second adjustable base 7311, a second adjustable bottom plate 7312 and a second vertical plate 7313. The second adjustable base 7311 is installed on one side of the helical gear outer diameter ring gauge detection station 61d, and the second adjustable bottom plate 7312 is installed on the second adjustable base 7312. The position of the second adjustable base 7311 relative to the supporting surface is adjustable, and the position of the second adjustable bottom plate 7312 relative to the second adjustable base 7311 is adjustable. The second vertical plate 7313 is fixedly installed on one side of the second adjustable bottom plate 73120.

[0075] The big head center hole detection assembly is vertically slidably mounted on the upper part of the vertical plate, and is used to detect the big head center hole of the component to be tested located at the helical gear outer diameter ring gauge detection station; the helical gear outer diameter ring gauge detection assembly is vertically slidably mounted on the lower part of the vertical plate, and is used to detect the helical teeth of the thread of the component to be tested;

[0076] The big head center hole detection assembly 732 includes a second L-plate 7321, a second XY-axis adjustable slide 7322, a big head center hole contact 7323, a second bushing 7324, a big head center hole standard detection rod 7325, a second limiting ring 7326, a second probe fixing L-plate 7327, a big head center hole sensor probe 7328 and a second compression spring 7329.

[0077] The second L-plate 7321 is slidably installed on the upper part of the second vertical plate 7313 and is formed with a second through hole. The second XY-axis adjustable slide is installed on the upper end of the second L-plate. The second bushing 7324 passes through the second L-plate 7321 and the second XY-axis adjustable slide 7322 and is fixed to the upper end of the second XY-axis adjustable slide 7322.

[0078] Among them, the big head center hole contact 7323 is fixed to the lower end of the second bushing 7324, the big head center hole standard detection rod 7325 includes a second rod body 73251 and a second standard joint 73252, the second rod body 73251 is movably arranged in the second bushing 73252, and a through hole is formed on the big head center hole contact 7323 to cooperate with the second standard joint 73252. The second limiting ring 7326 is connected to the outside of the second rod body 73251 and is arranged at the upper end of the second bushing 7324. The outer diameter of the second limiting ring 7326 is larger than the inner diameter of the second bushing 7324.

[0079] Preferably, the second probe fixing L plate 7327 is installed on the upper end of the second XY-axis adjustable slide 7322, the big head center hole sensor probe 7328 is locked on the second probe fixing L plate, the big head center hole sensor probe 7328 is coaxially arranged with the second rod body 73251, and the second compression spring 7329 is arranged between the second limiting ring 7326 and the second probe fixing L plate 7327.

[0080] The big head center hole detection assembly 732 is configured so that when the second limiting ring 7326 contacts the upper end of the second bushing 7324, the second standard connector 73252 extends a predetermined distance from the upper end surface of the big head center hole contact 7323; the lower end of the second standard connector 73252 is configured to the standard shape of the center hole of the big head 110.

[0081] Among them, the helical gear outer diameter ring gauge detection assembly 733 includes a floating head fixing plate 7331 and a helical gear outer diameter floating head 7332; the floating head fixing plate 7331 is slidably installed at the lower part of the second vertical plate 7313, the helical gear outer diameter floating head 7332 includes a helical gear ring gauge sleeve 73321, a helical gear outer diameter ring gauge 73322, a floating tooth gauge sleeve 73323, a floating tooth gauge cable sleeve 73324 and a floating tooth gauge universal joint 73325, and a floating tooth gauge sleeve 73323 is fixed to the upper end of the floating head fixing plate 7331, the floating gauge universal joint 73325 is arranged inside the floating gauge sleeve 73323, the floating gauge cable rod sleeve 73324 is sleeved on the outside of the floating gauge universal joint 73325, the bevel gear ring gauge sleeve 73323 is rotatably sleeved on the outside of the floating gauge cable rod sleeve 73324, and the bevel gear outer diameter ring gauge 73322 is installed inside the mounting groove at the upper end of the bevel gear ring gauge sleeve 73321.

[0082] During specific inspection, the component 100 to be tested rotates with the horizontal turntable 61 to the bevel gear outer diameter ring gauge inspection station 61d. At this time, after adjusting the verticality of the big head center hole standard detection rod 7325 through the second XY axis adjustable slide 7322, the big head center hole detection assembly 732 is driven to move downward as a whole, so that the big head center hole contact 7323 contacts the end face of the big head 110. At this time, the displacement of the big head center hole standard detection rod 7325 detected by the big head center hole sensor probe 7328 can determine whether the center hole of the big head 110 meets the processing requirements.

[0083] At the same time, the helical gear outer diameter ring gauge detection assembly 733 moves upward as a whole, and the waist 130 and the small head 140 of the component 100 extend into the interior of the helical gear outer diameter ring gauge 73322. Since the helical gear ring gauge sleeve 73323 is rotatably mounted on the outside of the floating gauge rope sleeve 73324, the helical gear outer diameter ring gauge 73322 is installed in the mounting groove at the upper end of the helical gear ring gauge sleeve 73321. Therefore, in the process of the waist 130 and the small head 140 extending into the interior of the helical gear outer diameter ring gauge 73322, the helical gear ring gauge sleeve 73323 drives the helical gear outer diameter ring gauge 73322 to rotate, thereby preventing the detection process from failing due to parts getting stuck.

[0084] At this workstation, the helical gear outer diameter ring gauge inspection and the big head center hole inspection are all integrated into one, thereby ensuring that the two inspection processes are carried out at the same time, eliminating the need to set up additional processes, effectively saving the space occupied by the inspection equipment, and carrying out the two inspections at the same time can also effectively improve the inspection efficiency.

[0085] In the embodiments of the present application, Figure 4 and 5 As shown, the six stations also include a laser marking station 61e, and the helical gear error prevention detection unit 74 and the laser marking unit 75 are arranged on one side of the laser marking station 61e. Figure 15 As shown, the bevel gear error-proofing detection unit 74 includes a bevel gear lighting assembly 741, a second column 742, and an image recognition sensor 743. The bevel gear lighting assembly 741 includes a light source bracket 7411 and an illumination light source 7412. The light source bracket 7411 is disposed obliquely below the laser marking station 61e. The illumination light source 7412 illuminates the bevel gear 131 of the component 100 to be tested located at the laser marking station 61e from the oblique direction below the laser marking station 61e.

[0086] The second column 742 is vertically fixed to the supporting surface. The image recognition sensor 743 is mounted on the second column 742 and its height in the vertical direction can be adjusted. The image recognition sensor 743 is used to identify the helical tooth direction of the component 100 to be tested.

[0087] Combine Figure 15As shown, the laser marking unit 75 includes a marking bracket 751, a marking fixing plate 752, a laser marking machine 753 and a marking clamping assembly 754. The marking bracket 751 is fixed to the supporting surface, the marking fixing plate 752 is fixed to the upper part of the marking bracket 751, and the laser marking machine 753 is installed on the marking fixing plate 752 for marking the end face of the big head 110 of the component 100 to be tested located at the laser marking station 61e.

[0088] The marking clamping assembly 754 includes a clamping arm support seat 7541, a clamping arm 7542, a clamping drive 7543 and a support rod 7544. The clamping arm support seat 7541 is arranged on the outside of the laser marking station 61e, and the clamping arm 7542 is rotatably installed on the clamping arm support seat 7541. The clamping drive 7543 is used to drive the clamping arm 7542 to rotate so that one end of the clamping arm 7542 is pressed against one side of the end face of the big head 110 to be marked. The support rod 7544 is arranged below the horizontal turntable 61 and close to the laser marking station 61e, and is used to support the horizontal turntable 61.

[0089] When the marking and clamping assembly 754 presses the end face of the big head 110, the laser marking machine 753 of the laser marking unit 75 marks and records the end face of the big head 110, generally recording the height detected in the previous detection process, the data of the center holes of the big and small heads, and whether the bevel teeth meet the processing requirements and other information.

[0090] Finally, the six workstations include a scanning rating station 61g. The scanning rating unit 76 includes a third column 761 vertically fixed to the support surface and located on one side of the scanning rating station 61g. The third column 761 is provided with a scanning component 762 and a scanning lighting component 763 from top to bottom. The scanning component 762 is located directly above the scanning rating station 61g, and the scanning lighting component 763 is arranged close to the upper end surface of the component 100 to be tested.

[0091] The marked parts are scanned and identified by the scanning component 762 , and the parts are rated. Qualified parts are sent to the discharge part of the in-and-out assembly module 30 , and the discharge is completed through the picking module 40 .

[0092] In the embodiments of this application, Figure 16 、 17 As shown, the material picking module 40 includes a material picking bracket 41, an I-shaped slide module 42, and a Z-direction material picking module 43. Specifically, the material picking bracket 41 is installed on one side of the turntable assembly and detection module 60, and the I-shaped slide module 42 is installed on the upper end of the material picking bracket 41. The I-shaped slide module 42 includes two end slides 421 and a middle slide 422. The two end slides 421 are arranged in parallel, and the two ends of the middle slide 422 are respectively slidably set on the two end slides 421.

[0093] The Z-direction material picking module 43 includes a T-shaped slide connecting plate 431, a finger fixing plate 432, and a finger clamping mechanical claw 433. The T-shaped slide connecting plate 431 is slidably installed on the middle slide 422 and vertically slidably installed on the T-shaped slide connecting plate. The finger clamping mechanical claw 433 is installed on the finger fixing plate 432 and is used to clamp the big head 110 of the component 100 to be tested.

[0094] The Z-direction material picking module 43 slides on the horizontal plane through the I-shaped slide module 42. The finger clamping mechanical claw 433 of the Z-direction material picking module 43 clamps the large head 110 of the component 100 to be tested to achieve clamping and Z-direction displacement of the component 100, thereby realizing the transportation of the component 100 at various positions in the entire component final inspection machine.

[0095] In this application, for non-conforming parts, such as Figure 4 As shown, a conveyor belt material receiving module 80 is used, which includes a conveyor belt 81, a side plate 82 and a material receiving box 83. One end of the conveyor belt 81 is arranged close to the horizontal turntable 61, the side plates 82 are arranged on both sides of the conveyor belt 81, and the material receiving box 83 is arranged at the end of the conveyor belt 81 away from the horizontal turntable 61.

[0096] The scan shows that the unqualified parts 100 are clamped by the material taking module 40 and placed on the conveyor belt 81, and are transported by the conveyor belt 81 to the receiving box 83, and then are recycled and reworked.

[0097] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A parts final inspection machine, used for final inspection of parts, wherein the parts include a large head, a shoulder, a waist and a small head connected and coaxially arranged in sequence, the large head is formed with external teeth on the outside, the waist is formed with threaded bevel teeth on the outside, the ends of the large head and the small head are designed with a center hole, the outer diameters of the large head, shoulder, waist and small head decrease in sequence, and the characteristics are as follows: It includes a stand, a material inlet and outlet assembly module, a material taking module, a height detection module and a turntable assembly detection module; The upper end of the stand is formed with a supporting surface; The feeding and discharging assembly module is arranged on one side of the supporting surface and is used for feeding and discharging parts to be inspected. The height detection module and the turntable assembly detection module are arranged on the other side of the supporting surface; the height detection module is located on one side of the turntable assembly detection module and is used to detect the axial height of the parts. The turntable assembly detection module includes a horizontal turntable, and six workstations are evenly arranged along the circumference of the horizontal turntable. A final inspection module is provided on the periphery of the horizontal turntable for inspecting the parts on the workstations; the final inspection module includes a small tooth visual inspection unit, a small head center hole inspection unit, a helical tooth outer diameter ring gauge inspection unit, and a helical tooth error prevention detection unit. Unit, laser marking unit, scanning rating unit, the six stations include a material taking and placing station closest to the material feeding and unloading assembly module for taking and placing materials, the platform is provided with a material sensor for detecting whether there is material in the material taking and placing station, each station is correspondingly provided with a gear bushing, the gear bushing is provided with a limited bearing hole, the aperture of the limited bearing hole is suitable for the shoulder to pass through and prevent the big head from passing through, so that the component is placed on the gear bushing with the big head facing up, and the thickness of the gear bushing is consistent with the length of the shoulder; The material taking module is arranged on the supporting surface, and is used to take the parts from the feeding and discharging assembly module and transport them to the height detection module or the horizontal turntable.

2. The parts final inspection machine according to claim 1, characterized in that: The material inlet and outlet assembly module includes multiple material trays and multiple horizontal transport mechanisms, each of the horizontal transport mechanisms is arranged in a one-to-one correspondence with the material tray, and is used to drive the material tray to move along the first direction or the second direction on the horizontal plane, the material tray includes a feeding base plate, a feeding support column and a feeding pallet, the feeding support column is vertically installed on the upper end surface of the feeding base plate, a limiting groove is formed on the feeding pallet to cooperate with the upper end of the feeding support column, and a placement hole is formed on the feeding pallet for placing parts, and the inner diameter of the placement hole is larger than the outer diameter of the shoulder and smaller than the outer diameter of the big head.

3. The parts final inspection machine according to claim 2, characterized in that: The height detection module includes a height measuring stand, a linear guide rail, a height measuring support, a slide, a detection bracket, a first bushing, a guide shaft tube, a contact, a contact sleeve and a distance sensing head. The height measuring stand includes a base plate and a vertical plate. The height measuring support is slidably mounted on the base plate through the linear guide rail. The slide is mounted on the vertical plate. The detection bracket is connected to the slide and slides vertically under the drive of the slide. The detection bracket is located above the first end of the linear guide rail. The detection bracket includes an upper mounting plate and a lower mounting plate. Mounting plate, the first bushing is connected to the lower mounting plate, the contact sleeve is coaxially mounted on the lower end of the first bushing, the contact is movably arranged on the contact sleeve, the guide shaft tube is movably inserted in the first bushing and the lower end is connected to the contact, the guide shaft tube is hollow, the lower end of the contact sleeve channel is suitable for the big head to enter, the distance sensing head is mounted on the upper mounting plate and correspondingly arranged at the upper end opening of the guide shaft tube, and the material picking module is configured to pick up and put out materials when the height measuring support is located at the second end of the linear guide rail.

4. The parts final inspection machine according to claim 1, characterized in that: The six workstations include a small tooth visual inspection station, and the small tooth visual inspection unit includes a base and a first column. The base is fixed to one side of the small tooth visual inspection station, and the stand is formed with a small tooth visual inspection through hole corresponding to the small tooth visual inspection station. The first column is fixed to the base and is vertically arranged. The first column is sequentially provided with an upper visual inspection component, an upper visual lighting component, a lower visual lighting component and a lower visual inspection component from top to bottom. The upper visual lighting component and the lower visual lighting component are located at the upper and lower ends of the component to be tested, respectively. The upper visual inspection component is located directly above the component to be tested, and the lower visual inspection component is located directly below the component to be tested; a fixed plate is provided on the first column, and the fixed plate is arranged horizontally. The material sensor is installed at the end of the fixed plate, and the detection direction of the material sensor is toward the component to be tested located at the material picking and placing station.

5. The parts final inspection machine according to claim 1, characterized in that: The six workstations include a small head center hole detection station, and the small head center hole detection unit includes a first adjustable vertical plate base, a measuring center hole limiter, and a small head center hole detection assembly. The first adjustable vertical plate base includes a first adjustable base, a first adjustable bottom plate and a first vertical plate. The first adjustable base is installed on one side of the small head center hole detection station, and the first adjustable bottom plate is movably installed on the first adjustable base. The position of the first adjustable base relative to the supporting surface along a first predetermined direction is adjustable, and the position of the first adjustable bottom plate relative to the first adjustable base along a second predetermined direction is adjustable. The first predetermined direction and the second predetermined direction are both located in a horizontal plane and are arranged perpendicular to each other. The first vertical plate is fixedly installed on one side of the first adjustable bottom plate; the measuring center hole limiter is installed at the upper end of the first vertical plate for fixing the large head end face of the component to be tested; the small head center hole detection assembly is slidably installed on the side of the first vertical plate away from the first adjustable bottom plate, and the small head center hole detection assembly is used to detect the center hole of the small head end face of the component to be tested.

6. The parts final inspection machine according to claim 1, characterized in that: The six workstations also include a helical gear outer diameter ring gauge detection workstation, and the helical gear outer diameter ring gauge detection unit includes a second adjustable vertical plate base, a large head center hole detection assembly, and a helical gear outer diameter ring gauge detection assembly; The second adjustable vertical plate base includes a second adjustable base, a second adjustable bottom plate and a second vertical plate. The second adjustable base is installed on one side of the helical gear outer diameter ring gauge detection station. The second adjustable bottom plate is movably installed on the second adjustable base. The second adjustable base is adjustable relative to the supporting surface. The second adjustable bottom plate is adjustable relative to the second adjustable base. The second vertical plate is fixedly installed on one side of the second adjustable bottom plate; the big head center hole detection assembly is vertically slidably installed on the upper part of the vertical plate, and is used to detect the big head center hole of the component to be tested located at the helical gear outer diameter ring gauge detection station; the helical gear outer diameter ring gauge detection assembly is vertically slidably installed on the lower part of the vertical plate, and is used to detect the threaded helical teeth of the component to be tested.

7. The parts final inspection machine according to claim 1, characterized in that: The six workstations include a laser marking workstation, the bevel gear error proofing detection unit and the laser marking unit are arranged on one side of the laser marking workstation, the bevel gear error proofing detection unit includes a bevel gear lighting assembly, a second column and an image recognition sensor, the bevel gear lighting assembly includes a light source bracket and an illumination light source, the light source bracket is arranged at an oblique lower side of the laser marking workstation, and the illumination light source illuminates the bevel gear of the component to be measured at the laser marking workstation from an oblique lower direction of the laser marking workstation; The second column is vertically fixed to the supporting surface, the image recognition sensor is mounted on the second column and its height in the vertical direction can be adjusted, and the image recognition sensor is used to identify the helical tooth direction of the component to be tested; The laser marking unit includes a marking bracket, a marking fixing plate, a laser marking machine and a marking clamping assembly. The marking bracket is fixed to the supporting surface, the marking fixing plate is fixed to the upper part of the marking bracket, and the laser marking machine is installed on the marking fixing plate for marking the big end face of the component to be measured at the laser marking station. The marking clamping assembly includes a pressure arm support seat, a pressure arm, a pressure driving member and a support rod. The pressure arm support seat is arranged on the outside of the laser marking station, and the pressure arm is rotatably installed on the pressure arm support seat. The pressure driving member is used to drive the pressure arm to rotate so that one end of the pressure arm is pressed against one side of the big end face to be marked. The support rod is arranged below the horizontal turntable and close to the laser marking station for supporting the horizontal turntable.

8. The parts final inspection machine according to claim 1, characterized in that: The six workstations include a scanning and rating workstation. The scanning and rating unit includes a third column vertically fixed to the supporting surface and located on one side of the scanning and rating workstation. The third column is provided with a scanning component and a scanning lighting component from top to bottom. The scanning component is located directly above the scanning and rating workstation, and the scanning lighting component is arranged close to the upper end surface of the component to be tested.

9. The parts final inspection machine according to claim 1, characterized in that: The material picking module includes a material picking bracket, an I-shaped slide module, and a Z-direction material picking module. The material picking bracket is installed on one side of the turntable assembly and detection module. The I-shaped slide module is installed on the upper end of the material picking bracket. The I-shaped slide module includes two end slides and a middle slide. The two end slides are arranged in parallel, and the two ends of the middle slide are respectively slidably arranged on the two end slides. The Z-direction material picking module includes a T-slide connecting plate, a finger fixing plate, and a finger clamping mechanical claw. The T-slide connecting plate is slidably mounted on the middle slide and vertically slidably mounted on the T-slide connecting plate. The finger clamping mechanical claw is mounted on the finger fixing plate and is used to clamp the large end of the component to be tested. The parts final inspection machine also includes a conveyor belt material receiving module, which includes a conveyor belt, side plates and a material receiving box. One end of the conveyor belt is arranged close to the horizontal turntable, the side plates are arranged on both sides of the conveyor belt, and the material receiving box is arranged at the end of the conveyor belt away from the horizontal turntable.

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