Automatic pre-detection system

Abstract

The utility model discloses an automatic pre-detection system which is characterized in that a workpiece tray is detachably positioned and mounted on a zero point positioner, the zero point positioner is rotatably connected to a rotary main shaft, and the rotary main shaft is fixedly mounted on a workbench; the automatic air supply device is fixed on the workbench and is arranged opposite to the zero-point positioner so as to supply air; the automatic scanning device is fixedly mounted on the mounting frame and is arranged above the workpiece tray; the automatic scanning device comprises a laser scanner, a fixing assembly and a base, the base is fixedly installed on the installation frame, the laser scanner is connected with the fixing assembly, and the fixing assembly is in sliding connection with the base to ensure that the laser scanner is located over the workpiece all the time. The automatic pre-detection system can automatically position the workpiece, automatically detect the positioning accuracy of the workpiece and mark the space coordinates of the detected surface of the workpiece, so that the smooth operation of a full-automatic detection and repair line of valve sealing surface repair equipment can be ensured, and the pre-detection efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning detection, in particular to an automatic pre-detection system. Background Art

[0002] The valve sealing surface repair equipment is a machine specially used to detect and repair valves. The valve workpiece needs to be pre-inspected before entering the CNC valve polishing machine of the valve sealing surface repair equipment to ensure the smooth operation of the fully automatic inspection and repair line of the valve sealing surface repair equipment. The pre-inspection work mainly includes detecting the contour of the valve workpiece, detecting whether the valve workpiece is correctly installed, and marking the spatial coordinates of the measured surface of the valve workpiece.

[0003] At present, valve workpieces that need to be repaired are mostly inspected manually due to their structural characteristics. However, in industries such as nuclear power, petrochemicals and marine engineering, there are a large number of valve workpieces that need to be inspected, and manual inspection is extremely inefficient and requires a lot of manpower costs. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an automatic pre-inspection system.

[0005] The technical solution adopted by the utility model to solve the technical problem is: an automatic pre-inspection system, including a workpiece tray for fixing the workpiece, a zero point locator, an automatic air supply device, an automatic scanning device, a rotary spindle, a workbench and a mounting frame, the workpiece tray is detachably mounted on the zero point locator, the zero point locator is rotatably connected to the rotary spindle, and the rotary spindle is fixedly mounted on the workbench;

[0006] The automatic air supply device is fixed on the workbench and arranged opposite to the zero point locator to facilitate air supply;

[0007] The automatic scanning device is fixedly mounted on the mounting frame and is arranged above the workpiece pallet;

[0008] The automatic scanning device includes a laser scanner, a fixing component and a base, wherein the base is fixedly mounted on the mounting frame, the laser scanner is connected to the fixing component, and the fixing component is slidably connected to the base to ensure that the laser scanner is always located directly above the workpiece.

[0009] Preferably, in the automatic pre-inspection system described in the utility model, the automatic air supply device includes a fixed seat, at least one power part, a joint frame and several quick joints, the fixed seat is fixedly installed on the workbench, the power part is installed on the fixed seat and the power shaft of the power part moves relative to the zero point locator, the joint frame is connected to the power shaft and moves with the power shaft relative to the zero point locator, and the quick joint is fixedly installed on the joint frame.

[0010] Preferably, in the automatic pre-inspection system described in the utility model, the automatic air supply device also includes at least two followers slidably connected to the fixed seat, and the two followers are arranged on both sides of the power member and are fixedly connected to the joint frame respectively.

[0011] Preferably, in the automatic pre-inspection system described in the utility model, the zero point locator includes a locator body, at least two locating parts and a plurality of quick connectors 2 for connecting the quick connector 1, the two locating parts are respectively arranged on the locator body, and the quick connector 2 is arranged on one side of the locator body and is connected to the locator body.

[0012] Preferably, in the automatic pre-check system of the utility model, the zero point locator further comprises at least two locating pins, and the two locating pins are arranged on the locator body on both sides of the second quick connector;

[0013] The automatic air supply device further comprises at least two positioning holes, and the two positioning holes are arranged on the connector frame on both sides of the quick connector.

[0014] Preferably, in the automatic pre-inspection system described in the utility model, the fixing assembly includes a fixing plate and a first sliding member, the fixing plate is fixedly connected to the laser scanner, and the first sliding member is slidably connected to the base;

[0015] The base comprises a bottom plate and a second sliding member, the bottom plate is fixedly connected to the mounting frame, and the second sliding member is slidably connected to the first sliding member;

[0016] The fixing assembly or the base further comprises a power cylinder, and the power cylinder is respectively connected to the fixing plate and the bottom plate.

[0017] Preferably, in the automatic pre-inspection system described in the present invention, the first sliding member is a slider and the second sliding member is a sliding rod, or the first sliding member is a sliding rod and the second sliding member is a slider.

[0018] Preferably, in the automatic pre-inspection system described in the utility model, the workpiece pallet includes a pallet body, a workpiece positioning portion and a positioning clamping portion, the positioning clamping portion is at least arranged at the upper portion of the pallet body for storing and positioning the workpiece, and the workpiece positioning portion is arranged at the lower portion of the pallet body and is detachably connected to the zero point locator.

[0019] Preferably, in the automatic pre-inspection system described in the utility model, the workpiece positioning portion includes a plurality of through holes, and the plurality of through holes are arranged through the tray body.

[0020] Preferably, in the automatic pre-inspection system described in the utility model, the power component is a cylinder or a hydraulic cylinder.

[0021] By implementing the utility model, the following beneficial effects are achieved:

[0022] The automatic pre-inspection system of the utility model can automatically position the workpiece and automatically detect the positioning accuracy of the workpiece, and mark the spatial coordinates of the measured surface of the workpiece, which can ensure the smooth operation of the fully automatic detection and repair line of the valve sealing surface repair equipment and greatly improve the pre-inspection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0024] Figure 1 This is one of the structural schematic diagrams of an automatic pre-checking system of an embodiment of the utility model;

[0025] Figure 2 This utility model Figure 1 The second structural diagram of the automatic pre-inspection system;

[0026] Figure 3 This utility model Figure 2 A magnified schematic diagram of structure B in the middle;

[0027] Figure 4 This utility model Figure 1 A magnified schematic diagram of the structure in Figure 1. DETAILED DESCRIPTION

[0028] In order to have a clearer understanding of the technical features, purposes and effects of the present utility model, the specific implementation methods of the present utility model are now described in detail with reference to the accompanying drawings.

[0029] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0030] In the description of the utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, "multiple" means two or more.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or a chemical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0032] See also Figures 1 to 4 An embodiment of the utility model discloses an automatic pre-inspection system, which can be used to pre-inspect the valve workpiece before it enters the CNC valve polishing machine of the valve sealing surface repairing equipment, so as to ensure the smooth operation of the fully automatic inspection and repair line of the valve sealing surface repairing equipment. The valve workpiece is referred to as the workpiece below.

[0033] like Figure 1 As shown, the automatic pre-inspection system includes a workpiece pallet 1 for fixing the workpiece, a zero point locator 2, an automatic air supply device 4, an automatic scanning device 5, a rotary spindle 3, a workbench 6 and a mounting frame 7. The workpiece pallet 1 is detachably positioned and mounted on the zero point locator 2, the zero point locator 2 is rotatably connected to the rotary spindle 3, and the rotary spindle 3 is fixedly mounted on the workbench 6. The automatic air supply device 4 is fixed on the workbench 6 and arranged opposite to the zero point locator 2 for air supply. The automatic scanning device 5 is fixedly mounted on the mounting frame 7 and is arranged above the workpiece pallet 1. The mounting frame 7 is located on the side of the workbench 6 and the height of the mounting frame 7 is higher than the height of the workbench 6, so that the automatic scanning device 5 is always located above the workbench 6.

[0034] See also Figure 2The automatic scanning device 5 includes a laser scanner 51, a fixing assembly 52 and a base 53. The base 53 is fixedly mounted on the mounting frame 7, the laser scanner 51 is connected to the fixing assembly 52, and the fixing assembly 52 is slidably connected to the base 53 to ensure that the laser scanner 51 is always located directly above the workpiece, so as to vertically scan the workpiece and ensure the pre-inspection accuracy of the laser scanner 51.

[0035] Further, see Figure 3 In some embodiments, the fixing assembly 52 may include a fixing plate 521 and a first sliding member 522. The fixing plate 521 is fixedly connected to the laser scanner 51, and the first sliding member 522 is slidably connected to the base 53. Preferably, the first sliding member 522 is disposed on the bottom surface of the fixing plate 521, and the laser scanner 51 is fixedly mounted on the top surface of the fixing plate 521. The first sliding member 522 is a slider or a slide bar.

[0036] The base 53 includes a bottom plate 531 and a second sliding member 532. The bottom plate 531 is fixedly connected to the mounting frame 7, and the second sliding member 532 is slidably connected to the first sliding member 522. Preferably, the second sliding member 532 is located on a side opposite to the bottom plate 531 and the fixed plate 521, so that the second sliding member 532 is slidably connected to the first sliding member 522. Accordingly, when the first sliding member 522 is a slider, the second sliding member 532 is a sliding rod. When the first sliding member 522 is a sliding rod, the second sliding member 532 is a slider.

[0037] The base 53 further includes a power cylinder 533, which is respectively connected to the fixing plate 521 and the bottom plate 531. Preferably, the power cylinder 533 is fixedly mounted on the bottom plate 531, and the extended shaft of the power cylinder 533 is fixedly connected to the fixing plate 521.

[0038] Start the power cylinder 533 to extend or retract the shaft, and at the same time drive the fixed plate 521 to move. The first sliding member 522 and the second sliding member 532 slide synchronously as the follower 43 to support the fixed plate 521 to support the stable movement of the fixed plate 521, thereby driving the laser scanner 51 to slide relative to the base 53, so that the laser scanner 51 always scans the workpiece vertically.

[0039] It can be understood that in some other embodiments, the power cylinder 533 can be fixedly installed under the fixing assembly 52, and the extended shaft of the power cylinder 533 is fixedly connected to the base 53, which can achieve the same purpose of driving the fixing plate 521 to move.

[0040] like Figure 2 and Figure 4As shown, the automatic air supply device 4 is used to provide air pressure to the zero point positioning device to realize the clamping or loosening function of the zero point positioning device. In some embodiments, the automatic air supply device 4 may include a fixed seat 41, at least one power member 42, a joint frame 44, a plurality of quick connectors 45, at least two driven members 43 slidably connected to the fixed seat 41, and at least two positioning holes 46. The fixed seat 41 is fixedly mounted on the workbench 6, the power member 42 is mounted on the fixed seat 41 and the power shaft of the power member 42 moves relative to the zero point locator 2, the joint frame 44 is connected to the power shaft and moves with the power shaft relative to the zero point locator 2, the quick connector 45 is fixedly mounted on the joint frame 44, two driven members 43 are arranged on both sides of the power member 42 and are respectively fixedly connected to the joint frame 44, and two positioning holes 46 are arranged on the joint frame 44 on both sides of the quick connector 45. Preferably, the power member 42 can be a cylinder or a hydraulic cylinder.

[0041] Accordingly, in some embodiments, the zero point locator 2 may include a locator body 21, at least two positioning disks 22, a plurality of quick connectors 23 for connecting the quick connector 1 45, and at least two positioning pins 24. The two positioning disks 22 are respectively arranged on the locator body 21 and communicate with the locator body 21, the quick connector 23 is arranged on one side of the locator body 21 and communicates with the positioning disk 22 through the locator body 21, and the two positioning pins 24 are arranged on the locator body 21 on both sides of the quick connector 23. Other settings of the zero point positioning device are in the prior art and will not be described in detail here.

[0042] The power member 42 can drive the joint frame 44 to approach or move away from the zero point locator 2, and the two positioning pins 24 are aligned respectively through the two positioning holes 46, and the quick connector 1 45 and the quick connector 2 23 can be quickly aligned and ventilated or cut off to achieve the clamping or loosening function of the zero point locator 2. How to achieve the clamping or loosening of the zero point locator 2 by ventilation and cut-off is an existing technology and is not described here.

[0043] Furthermore, in some embodiments, the workpiece pallet 1 may include a pallet body 11, a workpiece positioning portion 12 and a positioning clamping portion, wherein the positioning clamping portion is not shown in the figure, and the positioning clamping portion is at least arranged at the upper portion of the pallet body 11 for storing and positioning the workpiece, and the workpiece positioning portion 12 is arranged at the lower portion of the pallet body 11 and is detachably connected to the zero point locator 2.

[0044] Furthermore, since the workpiece needs to be fixed on the pallet body 11 through an auxiliary part, the workpiece positioning portion 12 may include a plurality of through holes in some embodiments, and the plurality of through holes are arranged through the pallet body 11, and the plurality of through holes may be of different sizes. It can be understood that the auxiliary part is a prior art, and its function is to assist the workpiece in positioning on the workpiece pallet 1, and the plurality of through holes are arranged according to the structural requirements of the auxiliary part, which will not be described in detail here.

[0045] The workflow of the automatic pre-inspection system of the utility model is as follows: first, the workpiece pallet 1 is placed above the zero point locator 2, and then the zero point locator 2 and the workpiece pallet 1 are driven to rotate by the rotating spindle 3. When the workpiece pallet 1 rotates to a specific position, the power part 42 of the automatic air supply device 4 is started, driving the quick connector 1 45 and the quick connector 2 23 to ventilate, so that the two positioning disks 22 of the zero point locator 2 respectively clamp the two positioning clamping parts of the workpiece pallet 1. Before placing the workpiece pallet 1 above the zero point locator 2, it is necessary to first place the workpiece on the workpiece pallet 1, position the workpiece by the workpiece positioning part 12, and then transfer the workpiece pallet 1 and the workpiece to the top of the zero point locator 2 at the same time.

[0046] After the workpiece tray 1 is positioned, the laser scanner 51 of the automatic scanning device 5 is started to scan the workpiece, and at the same time, the fixed plate 521 and the laser scanner 51 are driven to slide by the power cylinder 533, so that the laser scanner 51 always scans the workpiece vertically, automatically detects the positioning accuracy of the workpiece and marks the spatial coordinates of the measured surface of the workpiece. Among them, the detection of the positioning of the workpiece mainly refers to the position of the workpiece placed on the workpiece tray 1.

[0047] If it is detected that the positioning does not meet the requirements, the position of the workpiece needs to be adjusted, and then the above work process is repeated until the detection is qualified.

[0048] By implementing the utility model, the following beneficial effects are achieved:

[0049] The automatic pre-inspection system of the utility model can automatically position the workpiece and automatically detect the positioning accuracy of the workpiece, and mark the spatial coordinates of the measured surface of the workpiece, which can ensure the smooth operation of the fully automatic detection and repair line of the valve sealing surface repair equipment and greatly improve the pre-inspection efficiency.

[0050] It can be understood that the above embodiments only express the preferred implementation methods of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the utility model; it should be pointed out that for ordinary technicians in this field, without departing from the concept of the utility model, the above embodiments or technical features can be freely combined, and several deformations and improvements can be made, which all belong to the protection scope of the utility model, that is, the embodiments described in "some embodiments" can be freely combined with any of the above and below embodiments; therefore, all equivalent changes and modifications made to the scope of the claims of the utility model should fall within the scope of the claims of the utility model.

Claims

1. An automatic pre-inspection system, characterized in that: The invention comprises a workpiece tray (1) for fixing and placing a workpiece, a zero point locator (2), an automatic air supply device (4), an automatic scanning device (5), a rotary spindle (3), a workbench (6) and a mounting frame (7), wherein the workpiece tray (1) is detachably mounted on the zero point locator (2), the zero point locator (2) is rotatably connected to the rotary spindle (3), and the rotary spindle (3) is fixedly mounted on the workbench (6); The automatic air supply device (4) is fixed on the workbench (6) and is arranged opposite to the zero point locator (2) to facilitate air supply; The automatic scanning device (5) is fixedly mounted on the mounting frame (7) and is arranged above the workpiece pallet (1); The automatic scanning device (5) comprises a laser scanner (51), a fixing component (52) and a base (53), wherein the base (53) is fixedly mounted on the mounting frame (7), the laser scanner (51) is connected to the fixing component (52), and the fixing component (52) is slidably connected to the base (53) to ensure that the laser scanner (51) is always located directly above the workpiece.

2. The automatic pre-inspection system according to claim 1, characterized in that: The automatic air supply device (4) comprises a fixed seat (41), at least one power member (42), a joint frame (44) and a plurality of quick joints (45); the fixed seat (41) is fixedly mounted on the workbench (6); the power member (42) is mounted on the fixed seat (41) and the power shaft of the power member (42) moves relative to the zero point locator (2); the joint frame (44) is connected to the power shaft and moves with the power shaft relative to the zero point locator (2); and the quick joint (45) is fixedly mounted on the joint frame (44).

3. The automatic pre-check system according to claim 2, characterized in that: The automatic air supply device (4) further comprises at least two follower members (43) slidably connected to the fixing seat (41); the two follower members (43) are arranged on both sides of the power member (42) and are respectively fixedly connected to the joint frame (44).

4. The automatic pre-inspection system according to claim 2, characterized in that: The zero point locator (2) comprises a locator body (21), at least two locating plates (22) and a plurality of quick connectors (23) for connecting the quick connector (45), wherein the two locating plates (22) are respectively arranged on the locator body (21) and are in communication with the locator body (21), and the quick connector (23) is arranged on a side of the locator body (21) and is in communication with the locating plates (22) through the locator body (21).

5. The automatic pre-check system according to claim 4, characterized in that: The zero point locator (2) further comprises at least two locating pins (24), wherein the two locating pins (24) are arranged on the locator body (21) on both sides of the second quick connector (23); The automatic air supply device (4) further comprises at least two positioning holes (46), wherein the two positioning holes (46) are arranged on the connector frame (44) on both sides of the quick connector (45).

6. The automatic pre-inspection system according to claim 1, characterized in that: The fixing assembly (52) comprises a fixing plate (521) and a first sliding member (522), wherein the fixing plate (521) is fixedly connected to the laser scanner (51), and the first sliding member (522) is slidably connected to the base (53); The base (53) comprises a bottom plate (531) and a second sliding member (532), wherein the bottom plate (531) is fixedly connected to the mounting frame (7), and the second sliding member (532) is slidably connected to the first sliding member (522); The fixing assembly (52) or the base (53) further comprises a power cylinder (533), and the power cylinder (533) is respectively connected to the fixing plate (521) and the bottom plate (531).

7. The automatic pre-check system according to claim 6, characterized in that: The first sliding member (522) is a slider and the second sliding member (532) is a slide rod, or the first sliding member (522) is a slide rod and the second sliding member (532) is a slider.

8. The automatic pre-check system according to claim 1, characterized in that: The workpiece pallet (1) comprises a pallet body (11), a workpiece positioning portion (12) and at least two positioning clamping portions, wherein the workpiece positioning portion (12) is at least arranged on the upper portion of the pallet body (11) for storing and positioning the workpiece, and the two positioning clamping portions are arranged on the lower portion of the pallet body (11) and are detachably connected to the zero point locator (2).

9. The automatic pre-check system according to claim 8, characterized in that: The workpiece positioning portion (12) comprises a plurality of through holes, and the plurality of through holes are arranged through the tray body (11).

10. The automatic pre-inspection system according to any one of claims 2 to 5, characterized in that: The power member (42) is a cylinder or a hydraulic cylinder.

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