A sampling tool positioning device and method

Abstract

A kind of sampling cutter positioning device and method, including handle clamping sleeve fixing seat, positioning plate, cutter, handle, handle clamping sleeve, cutter position adjusting screw;Cutter is installed in handle, handle is installed in handle clamping sleeve, handle clamping sleeve is connected with handle clamping sleeve fixing seat, the upper end of cutter position adjusting screw is against cutter, and cutter is positioned by positioning plate.The present application solves the difficult situation of cutter positioning, improves the installation precision of automatic sampling equipment cutter, solves the problem that personnel is difficult to install cutter due to limited equipment position, space and glove box peep window reflection.At the same time, the device is simple to operate, and the operator can quickly replace the cutter using the device, which greatly shortens the exposure time of workers.

Description

Technical Field

[0001] This patent relates to the field of nuclear material production technology, specifically to a sampling tool positioning device and method. Background Technology

[0002] Metal sampling requires a sampling device with two cutting tools: a twist drill and a milling cutter. The milling cutter removes oxide scale from the metal surface, while the twist drill extracts a sample from the oxide-removed metal surface. The sampling process demands extremely high precision in the flatness of the cutting edges of both the milling cutter and the twist drill; both tips must be on the same horizontal plane. Otherwise, tool damage and reduced sampling accuracy will occur. The sampling equipment is located in a sealed chamber. Due to limited space and the reflective nature of the glove box viewing window, manual tool loading is extremely difficult, and the accuracy of the tool placement after installation is hard to guarantee. Furthermore, during automated sampling, surface hardness of the material and equipment malfunctions can damage the cutting tools. In such cases, operators must replace the tools in a highly radioactive environment, resulting in prolonged external radiation exposure.

[0003] Based on the above situation, a tool setting device is needed to ensure that the tips of the two tools are in the same horizontal plane after installation, thereby improving work efficiency and reducing personnel exposure to radiation. Summary of the Invention

[0004] The purpose of this invention is to address the problem of inconsistent positioning accuracy during sampling tool installation by providing a sampling tool positioning device and method. This reduces the difficulty of tool installation for operators, improves tool installation accuracy and efficiency, reduces equipment failure rate, and minimizes personnel exposure.

[0005] The technical solution of the present invention is as follows: a sampling tool positioning device, comprising a tool holder clamping sleeve fixing seat, a positioning plate, a tool, a tool holder, a tool holder clamping sleeve, and a tool position adjusting screw; the tool is installed in the tool holder, the tool holder is installed in the tool holder clamping sleeve, the tool holder clamping sleeve is connected to the tool holder clamping sleeve fixing seat, the upper end of the tool position adjusting screw abuts against the tool, and the tool is positioned by the positioning plate; The tool holder clamp accommodates the tool holder; the middle part of the tool holder clamp includes an inner surface and a step, the inner surface of the tool holder clamp is provided with a keyway, a tool holder positioning key is installed on the keyway, and the tool holder has a tool holder positioning groove that cooperates with the tool holder positioning key; the bottom of the tool holder clamp is provided with a threaded hole A, and a tool position adjusting screw is installed in the threaded hole A; the tool position adjusting screw passes through the threaded hole A, and its top contacts and tightens with the bottom of the tool; The tool holder clamping sleeve has a side boss and a rear boss; the side boss has a threaded hole B, and the second tool holder locking nut is installed in the threaded hole B; the rear boss has a positioning groove, and the positioning groove has a through bolt connection hole C. The positioning plate guide rod is installed through the positioning groove 105. The upper part of the positioning plate guide rod has a V-shaped annular groove, and the positioning plate is installed through the V-shaped annular groove. The tool holder positioning key has a hole in the middle, and the tool holder positioning key fixing screw passes through the connecting hole C and the hole to fix the tool holder positioning key in the keyway of the tool holder clamping sleeve; The upper part of the positioning plate guide rod is provided with multiple V-shaped annular grooves; The positioning plate has a round hole and a threaded hole at the tail. The positioning plate locking screw is installed in the threaded hole at the tail, and the round hole mates with the fixed V-shaped ring groove. The positioning plate locking ball and the positioning plate locking spring are both installed in the threaded hole at the tail of the positioning plate. The positioning plate locking screw presses against the positioning plate locking spring, and the positioning plate locking spring presses against the positioning plate locking ball, thus pushing the positioning plate locking ball into the V-shaped ring groove. The tool holder includes a tapered tool holder base, a tool spring clip, and a second tool holder locking nut. The tool spring clip has a tool mounting hole in the center for mounting a tool. The second tool holder locking nut is fitted onto the outside of the tapered tool holder base and contacts the upper end face of the tool spring clip. The outer surface of the tool spring clip mates with the tapered hole inside the tapered tool holder base. The tapered tool holder base also includes a radial positioning surface and an axial positioning surface. The radial positioning surface mates with the inner surface of the tool holder clamping sleeve, and the axial positioning surface mates with a step. The tool holder clamping sleeve has a mounting hole on the right side, and the tool holder clamping sleeve is connected and fixed to the tool holder clamping sleeve fixing seat by screws and mounting holes; It also includes a glove box bottom plate and a mounting plate. The glove box bottom plate is fixed to the glove box bottom plate by welding, and the bottom of the tool holder clamping sleeve fixing seat is provided with a flat plate with connecting holes on the surface of the flat plate, which is connected to the mounting plate by screws.

[0006] The significant advantages of this invention are: by solving the current difficulty in tool positioning, it improves the tool installation accuracy of automated sampling equipment and solves the problem of difficulty in tool installation caused by equipment location and space constraints, as well as reflections from the glove box viewing window. At the same time, the device is simple to operate, allowing operators to quickly change tools and significantly reducing the exposure time of workers. Attached Figure Description

[0007] Figure 1 This is a schematic diagram of the overall structure of the tool setting device.

[0008] Figure 2 This is a cross-sectional schematic diagram of the tool setting device.

[0009] Figure 3 This is a schematic diagram of the tool holder clamping sleeve structure.

[0010] Figure 4 This is a schematic diagram of the tool holder clamping sleeve structure from another angle.

[0011] Figure 5 This is a schematic diagram of the knife handle.

[0012] Figure 6 This is a schematic diagram of the cross-sectional structure of the tool holder.

[0013] Figure 7 This is a schematic diagram of the tool holder positioning key.

[0014] Figure 8 This is a cross-sectional schematic diagram of the tool setting device.

[0015] In the diagram: 1. Glove box bottom plate; 2. Mounting plate; 3. Tool holder clamping sleeve fixing seat; 4. First tool holder locking nut; 5. Positioning plate guide rod; 6. Positioning plate locking screw; 7. Positioning plate; 8. Tool; 9. Tool holder; 10. Tool holder clamping sleeve; 11. Tool position adjusting screw; 12. Tool holder positioning key; 13. Positioning plate locking ball; 14. Positioning plate locking spring; 15. Tool holder positioning key fixing screw.

[0016] 91 Tapered tool holder base, 92 Tool spring clip, 93 Second tool holder locking nut, 921 Tool mounting hole, 911 Tool holder positioning groove, 912 Tool holder radial positioning surface, 913 Tool holder axial positioning surface; 101 Threaded hole A, 102 Threaded hole B, 103 Inner surface of tool holder clamping sleeve, 104 Keyway, 105 Positioning groove, 106 Connecting hole C, 107 Step, 108 Mounting hole, 141 V-ring groove; 121 Screws are used to fix the threaded holes. Detailed Implementation

[0017] Many specific details are set forth in the following description to provide a full understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of this application; therefore, this application is not limited to the specific embodiments disclosed below.

[0018] The terminology used in one or more embodiments of this application is for the purpose of describing particular embodiments only and is not intended to limit the scope of one or more embodiments of this application. The singular forms “a,” “the,” and “the” used in one or more embodiments of this application and in the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” used in one or more embodiments of this application refers to and includes any or all possible combinations of one or more associated listed items.

[0019] It should be understood that although the terms first, second, etc., may be used to describe various information in one or more embodiments of this application, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, first may also be referred to as second without departing from the scope of one or more embodiments of this application, and similarly, second may also be referred to as first.

[0020] This invention discloses a sampling tool positioning device, and the specific structure and working principle of the tool setting device are illustrated in detail with reference to the accompanying drawings. Figures 1-3 As shown: Includes glove box bottom plate 1, mounting plate 2, and tool holder clamping sleeve fixing seat 3; The glove box bottom plate 1 is fixed to the glove box bottom plate 1 by welding.

[0021] The tool holder clamping base 3 has a gun-shaped structure with a flat plate at the bottom. The surface of the flat plate has connecting holes and is connected to the mounting plate 2 with screws.

[0022] It also includes the tool holder clamping sleeve 10, whose overall structure is a hollow part, such as Figure 3 , 4 As shown, the bottom has a threaded hole A101 for installing the tool position adjusting screw 11. The inner surface 103 of the tool holder clamping sleeve has a keyway 104 for installing the tool holder positioning key 12. A side boss is provided on the left side, and the side boss has a through threaded hole B102 for installing the first tool holder locking nut 4. The middle part of the tool holder clamping sleeve 10 is a hollow structure to accommodate the tool holder 9. The outer surface of the tool holder 9 has a corresponding keyway that can cooperate with the tool holder positioning key 12 to prevent the tool holder 9 from rotating radially. The rear part of the tool holder clamping sleeve 10 has a rear boss with a positioning slot 105. The positioning slot 105 has a through bolt connection hole C106 and two threaded blind holes on the surface of the positioning slot 105. The positioning plate guide rod 5 is fixed in the positioning slot 105 with screws. The tool holder clamping sleeve 10 has a step 107, which is used for axial (vertical) positioning of the tool holder 9. The right side plane of the tool holder clamping sleeve 10 is provided with a tool holder clamping sleeve fixing seat 3 mounting hole 108, which is used to connect and fix the tool holder clamping sleeve 10 to the tool holder clamping sleeve fixing seat 3.

[0023] The positioning plate guide rod 5 is a cylindrical part with multiple V-shaped annular grooves 141 on the upper part and a square shape on the lower part. The lower part of the positioning plate guide rod 5 has a mounting hole and is fixed in the positioning groove 105 of the tool holder clamping sleeve 10 by screws.

[0024] The positioning plate 7 has a round hole and a threaded hole at its tail. The threaded hole intersects the axis of the round hole and is used to install the positioning plate locking screw 6. The round hole of the positioning plate 7 mates with the V-shaped annular groove 141 of the positioning plate guide rod 5. The positioning plate 7 can move along the axis of the positioning plate guide rod 5 and can also rotate 360° around the axis of the positioning plate guide rod 5.

[0025] Specifically, such as Figure 1 , 8 As shown, the positioning plate locking ball 13 and the positioning plate locking spring 14 are both installed in the threaded hole at the tail of the positioning plate 7. The positioning plate locking screw 6 presses against the positioning plate locking spring 14, and the positioning plate locking spring 14 presses against the positioning plate locking ball 13, and pushes the positioning plate locking ball 13 into the V-shaped ring groove 141, thereby locking the positioning plate 7 and preventing the positioning plate 7 from shaking up and down; when the positioning plate 7 moves up and down, the positioning plate locking spring 14 will spring out. Specifically, the positioning plate guide rod 5 has multiple V-shaped grooves 141 at different heights, and the positioning plate 7 can be fixed in the V-shaped grooves 141 at different heights as needed; The tool position adjusting screw 11 has a threaded section on its surface. The tool position adjusting screw 11 is installed in the threaded hole A101 of the tool holder clamping sleeve 10. Rotating the tool position adjusting screw 11 allows it to move upwards or downwards. The tool position adjusting screw 11 passes through the threaded hole A101, and its top contacts and presses against the lower part of the tool 8.

[0026] The first tool holder locking nut 4 has a threaded section on its surface. The first tool holder locking nut 4 is installed in the threaded hole B102 of the tool holder clamping sleeve 10 by a screw, and the first tool holder locking nut 4 can move relative to the axis of the threaded hole 102. The function of the first tool holder locking nut 4 is to press the tool holder 9 tightly and fix it in the tool holder clamping sleeve 10, preventing the tool holder 9 from moving.

[0027] like Figure 4 , 7 As shown, the tool holder positioning key 12 is a circular ring structure with a hole 121 in the center. The tool holder positioning key fixing screw 15 passes through the connecting hole C106 and the hole 121, thereby fixing the tool holder positioning key 12 in the keyway 104 of the tool holder clamping sleeve 10. The tool holder positioning key 12 prevents the tool holder 9 from rotating in a circumferential manner.

[0028] like Figure 5 , 6As shown in Figure 8, the tool holder 9 is located in the tool holder clamping sleeve 10. The tool holder 9 includes a tapered tool holder base 91, a tool spring clip 92, and a second tool holder locking nut 93. The tool spring clip 92 has a tool mounting hole 921 in its center for mounting the tool 8. The second tool holder locking nut 93 is fitted onto the outside of the tapered tool holder base 91 and contacts the upper end face of the tool spring clip 92. The outer surface of the tool spring clip 92 has a certain taper, which mates with the inner tapered hole of the tapered tool holder base 91, and their axes coincide. The tool spring clip 92 has a spring function. When the second tool holder locking nut 93 rotates clockwise, it moves downward and generates an axial downward pressure on the tool spring clip 92. The tool spring clip 92 is constrained by the tapered hole of the tapered tool holder base 91, which causes the tool mounting hole 921 of the tool spring clip 92 to contract radially, thereby clamping the tool 8.

[0029] The conical tool holder base 91 and the radial positioning surface 912 of the tool holder mate with the tool holder clamping sleeve 10 and the inner surface 103 of the tool holder clamping sleeve.

[0030] The conical tool holder base 91 and the tool holder axial positioning surface 913 are engaged with the tool holder clamping sleeve 10 step 107.

[0031] The following is the operating procedure for the tool setting device provided in this embodiment: S1: The operator rotates the positioning plate 7 away from the tool holder 9, and then unscrews the first tool holder locking nut 4 and the tool position adjusting screw 11 to the loosest position.

[0032] S2: Insert the tool holder 9, which contains the cutting tool 8, into the inner surface 103 of the tool holder clamping sleeve 10, and make the tool holder positioning key 12 engage with the tool holder positioning groove 911; screw the first tool holder locking nut 4 into the locking tool holder 9, so that the first tool holder locking nut 4 abuts against the side of the tool holder 9 from the radial direction. And use a special tool to unlock the first tool holder locking nut 4.

[0033] S3: Fix the positioning plate 7 onto the V-shaped groove 141 at a suitable height, and rotate it above the tool 8. Lock the positioning plate 7 with the positioning plate locking screw 6 to prevent it from wobbling up and down. Manually adjust the tool position adjusting screw 11 to push the tool 8 upwards until it contacts the positioning plate 7. Stop when you feel resistance on the tool position adjusting screw 11. Use a special tool to lock the tool holder 9. S4: Slightly loosen the positioning plate locking screw 6, rotate the positioning plate 7 away from the tool 8, loosen the first tool holder locking nut 4, and remove the tool holder 9 containing the tool. Insert the new tool holder with the new tool into the inner surface 103 of the tool holder clamping sleeve 10. Use a special tool to unlock the locking nut, rotate the positioning plate 7 above the new tool 8, and lock the positioning plate locking screw 6 and the first tool holder locking nut 4. Adjust the rotating tool position adjusting screw 11 to lift the new tool until it contacts the positioning plate 7. Use a special tool to lock the tool holder 9. Performing the above steps will ensure that the tool 8 and the new tool are at the same height. S5: Pull out the new handle.

[0034] The above description is merely a preferred embodiment of this patent and is not intended to limit this patent. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this patent shall be included within the scope of protection of this patent.

[0035] It should be noted that, for the sake of simplicity, the foregoing method embodiments are all described as a series of actions. However, those skilled in the art should understand that this application is not limited to the described order of actions, as some steps may be performed in other orders or simultaneously according to this application. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions and modules involved are not necessarily essential to this application.

[0036] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0037] The preferred embodiments disclosed above are merely illustrative of this application. The optional embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this application. These embodiments are selected and specifically described in this application to better explain the principles and practical applications of this application, thereby enabling those skilled in the art to better understand and utilize this application.

Claims

1. A sampling tool positioning device, characterized in that: Includes a tool holder clamping base (3), a positioning plate (7), a tool (8), a tool holder (9), a tool holder clamping sleeve (10), and a tool position adjusting screw (11); the tool (8) is installed in the tool holder (9), the tool holder (9) is installed in the tool holder clamping sleeve (10), the tool holder clamping sleeve (10) is connected to the tool holder clamping base (3), the upper end of the tool position adjusting screw (11) presses against the tool (8), and the tool (8) is positioned by the positioning plate (7); The tool holder clamp (10) accommodates the tool holder (9); the middle part of the tool holder clamp (10) includes the inner surface (103) and the step (107) of the tool holder clamp, the inner surface (103) of the tool holder clamp is provided with a keyway (104), the tool holder positioning key (12) is installed on the keyway (104), and the tool holder (9) has a tool holder positioning groove (911) that cooperates with the tool holder positioning key (12); the bottom of the tool holder clamp (10) is provided with a threaded hole A (101), and the tool position adjusting screw (11) is installed in the threaded hole A (101); the tool position adjusting screw (11) passes through the threaded hole A (101), and its top contacts and presses against the lower part of the tool (8); The tool holder clamping sleeve (10) has a side boss and a rear boss; the side boss has a threaded hole B (102), and the first tool holder locking nut (4) is installed in the threaded hole B (102); the rear boss has a positioning groove (105), and the positioning groove (105) has a through bolt connection hole C (106), and the positioning plate guide rod (5) is installed through the positioning groove (105). The upper part of the positioning plate guide rod (5) has a V-shaped ring groove (141), and the positioning plate (7) is installed through the V-shaped ring groove (141). The tool holder positioning key (12) has a hole (121) in the middle, and the tool holder positioning key fixing screw (15) passes through the connecting hole C (106) and the hole (121) to fix the tool holder positioning key (12) in the keyway (104) of the tool holder clamping sleeve (10); The upper part of the positioning plate guide rod (5) is provided with multiple V-shaped annular grooves (141); The positioning plate (7) has a round hole and a threaded hole at the tail. The positioning plate locking screw (6) is installed in the threaded hole at the tail, and the round hole is matched with the V-shaped ring groove (141). The positioning plate locking ball (13) and the positioning plate locking spring (14) are both installed in the threaded hole at the tail of the positioning plate (7). The positioning plate locking screw (6) presses against the positioning plate locking spring (14), and the positioning plate locking spring (14) presses against the positioning plate locking ball (13) and pushes the positioning plate locking ball (13) into the V-shaped ring groove (141). The tool holder (9) includes a tapered tool holder base (91), a tool spring clip (92), and a second tool holder locking nut (93). The tool spring clip (92) has a tool mounting hole (921) in the center for mounting a tool (8). The second tool holder locking nut (93) is fitted on the outside of the tapered tool holder base (91) and contacts the upper end face of the tool spring clip (92). The outer surface of the tool spring clip (92) is fitted with the inner tapered hole of the tapered tool holder base (91). The tapered tool holder base (91) also includes a tool holder radial positioning surface (912) and a tool holder axial positioning surface (913). The tool holder radial positioning surface (912) is fitted with the inner surface (103) of the tool holder clamping sleeve, and the tool holder axial positioning surface (913) is fitted with the step (107). The tool holder clamp (10) has a mounting hole (108) on the right side. The tool holder clamp (10) is connected and fixed to the tool holder clamp fixing seat (3) by screws and mounting holes (108). It also includes a glove box bottom plate (1) and a mounting plate (2). The glove box bottom plate (1) is fixed to the glove box bottom plate (1) by welding, and the bottom of the tool holder clamping bracket (3) is provided with a flat plate with connecting holes on the surface of the flat plate, which is connected to the mounting plate (2) by screws.

2. A sampling tool positioning method, using the sampling tool positioning device according to claim 1, characterized in that: Includes the following steps: S1: Rotate the positioning plate (7) away from the tool holder (9), and then turn the first tool holder locking nut (4) and the tool position adjusting screw (11) out to the loosest state in sequence; S2: Insert the tool holder (9) with the tool (8) into the inner surface (103) of the tool holder clamping sleeve (10), and make the tool holder positioning key (12) engage with the tool holder positioning groove (911); screw the first tool holder locking nut (4) into the locking tool holder (9), so that the first tool holder locking nut (4) abuts the side of the tool holder (9) from the radial direction; S3: Fix the positioning plate (7) on the V-shaped annular groove (141) at a suitable height, and rotate it above the tool (8). Lock the positioning plate (7) by the positioning plate locking screw (6). Adjust the tool position adjusting screw (11) to push the tool (8) upward until it contacts the positioning plate (7). Stop when there is resistance on the tool position adjusting screw (11). S4: Loosen the positioning plate locking screw (6), rotate the positioning plate (7) away from the tool (8), loosen the first tool holder locking nut (4), and take out the tool holder (9) with the tool; put the new tool holder with the new tool into the inner surface (103) of the tool holder clamping sleeve (10), rotate the positioning plate (7) above the new tool, lock the positioning plate locking screw (6) and the first tool holder locking nut (4), and adjust the rotating tool position adjusting screw (11) to lift the new tool to contact the positioning plate (7); S5: Pull out the new handle.

Images