Self-centering tool with pre-positioning function for large-diameter disc parts
By designing a self-centered tool with annular groove, rotating ring, clamping plate and other structures, the problems of unstable fixation of large disc parts and low top surface fixation efficiency are solved, and the stable fixation and rapid positioning of disc parts are achieved.
Patent Information
- Application Number
- CN202421885970.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-08-06
AI Technical Summary
Existing large disc parts are fixed and unstable during processing, easy to shift, and the top surface fixation efficiency is low.
A self-centered tool for large-diameter disc-type parts with pre-positioning is designed. By setting up structures such as annular grooves, rotating rings, clamping plates, fixing frames, positioning columns and spring pads, the stable fixing and rapid positioning of disc-type parts are achieved.
It improves the fixing efficiency of the top surface of disc parts, avoids displacement during processing, and simplifies the positioning process of disc parts.
Smart Images
Figure CN222843960U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of disc parts, and in particular relates to a self-centering tool with pre-positioning for large-diameter disc parts. Background Art
[0002] When a certain large disk-like part is currently processed, it is necessary to position it. However, the current disk-like part positioning device cannot stably fix the disk-like part when in use, so that the disk-like part is easily displaced during processing, affecting the processing of the disk-like part. In addition, when fixing the top surface of the disk-like part, a pressing frame is usually used and connected to the circular plate of the positioning device by bolts, so that the top surface of the disk-like part is fixed. This method requires multiple bolts to be connected between the pressing frame and the circular plate, which reduces the fixing efficiency of the top surface of the disk-like part.
[0003] Therefore, a self-centering tooling with pre-positioning for large diameter disc parts is needed to solve the problems in the prior art that the disc parts are unstable in fixation, easy to shift during processing, and the fixing efficiency is low when the top surface of the disc parts is fixed. Utility Model Content
[0004] The utility model aims to provide a self-centering tool with pre-positioning for large-diameter disk parts, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-centering tooling with pre-positioning for large-diameter disk-like parts, comprising a circular plate, four circumferentially distributed toothed frames are fixed on the top surface of the circular plate, a pressing frame is arranged above the circular plate, four circumferentially distributed top openings are opened on the top surface of the pressing frame and match with the corresponding toothed frames, an annular groove is opened on the inner side wall of the pressing frame, a rotating ring is rotatably connected in the annular groove, four circumferentially distributed fixed frames are fixed on the top surface of the rotating ring, two positioning columns are fixed between the top and bottom surfaces of the inner side wall of the fixed frame, a clamping plate is movably connected on the outer side walls of the two positioning columns, the clamping plate matches with the corresponding toothed frames, and a connecting ring is fixed between the four clamping plates.
[0006] It should be noted in the scheme that four limit seats distributed in a circle are fixed to the top surface of the circular plate, a slider is movably engaged in the limit seat, one end of the slider is an inclined surface, a placement hole is opened at the center of the top surface of the circular plate, a guide column is fixed to the bottom surface of the inner wall of the placement hole, a fixing plate is fixed to the outer wall of the guide column near the bottom position, the outer wall of the guide column is movably connected with a cone sleeve, a docking hole is opened at the center of the bottom surface of the cone sleeve, and a second spring is arranged on the outer wall of the guide column near the bottom position.
[0007] It is further worth mentioning that a bolt is fixed to the top surface of the guide column, a guide cylinder is movably sleeved on the outer wall of the guide column, a spring pad is sleeved on the outer wall of the bolt, the bottom surface of the spring pad is in contact with the top surface of the guide cylinder, and a nut is movably connected to the outer wall of the bolt.
[0008] It should be further explained that a bottom opening is provided on the bottom surface of the slider, a circular hole is provided on the top surface of the inner wall of the bottom opening, a first spring is arranged in the circular hole, one end of the first spring is fixed to one side of the inner wall of the circular hole, four circumferentially distributed pins are fixed to the top surface of the circular plate, the pins are correspondingly located at the bottom opening and the circular hole, a push plate is fixed to the top of the outer wall of the pin, and the other end of the first spring is fixed to a side surface of the push plate.
[0009] As a preferred embodiment, two adjacent side surfaces of the inner wall of the limiting seat are respectively provided with side openings, a T-shaped plate is fixed to the top surface of the sliding block, and two ends of the T-shaped plate are respectively and movably engaged in the side openings.
[0010] As a preferred embodiment, a bottom plate is fixed to the bottom surface of the circular plate, a V-shaped block is fixed to one side of the top surface of the bottom plate, guide grooves are respectively provided on both sides of the top surface of the V-shaped block, and two hexagon socket screws are movably connected to one side of the top surface of the bottom plate, and the hexagon socket screws are correspondingly located in the guide grooves.
[0011] As a preferred implementation, four cushion blocks distributed in a circumference are fixed to the top surface of the circular plate.
[0012] Compared with the prior art, the self-centering tooling with pre-positioning for large-diameter disk-like parts provided by the utility model has at least the following beneficial effects:
[0013] (1) The annular groove and the rotating ring enable the connecting ring to rotate, thereby enabling the four clamping plates to rotate. The fixing frame and the positioning column enable the position of the clamping plate to be movably limited in the vertical direction. The clamping plate, the toothed frame and the pressing frame enable the top surface of the disc-like parts to be pressed and fixed, thereby enabling the top surface of the disc-like parts to be quickly fixed, thereby improving the fixing efficiency of the top surface of the disc-like parts.
[0014] (2) The provided nuts and bolts enable the cone sleeve to be pushed, and the provided spring pad increases the contact area between the nut and the guide cylinder, thereby facilitating the nut to push the guide cylinder to move. The provided cone sleeve and slider enable the disk parts to be firmly fixed, thereby facilitating the processing of the disk parts and avoiding displacement of the disk parts during processing.
[0015] (3) By setting the V-shaped block, the outer wall of the disk-like parts can contact the arc surface of the V-shaped block, so that the disk-like parts can be pre-positioned, which is convenient for the final positioning of the disk-like parts and improves the convenience of positioning the disk-like parts. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the overall top view structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the connecting ring of the utility model;
[0019] Figure 4 This is a schematic diagram of the annular groove structure of the utility model;
[0020] Figure 5 This is a schematic diagram of the structure of the clamping plate of the utility model;
[0021] Figure 6 This is a schematic diagram of the toothed frame structure of the utility model;
[0022] Figure 7 This is a schematic diagram of the T-type plate structure of the utility model;
[0023] Figure 8 This is a schematic diagram of the cross-sectional structure of the limit seat of the utility model;
[0024] Fig. 9 It is a schematic diagram of the sectional structure of the cone sleeve of the utility model.
[0025] In the figure:
[0026] 100, circular plate; 101, toothed frame; 102, pressing frame; 103, top opening; 104, annular groove; 105, rotating ring;
[0027] 200, fixed frame; 201, clamping plate; 202, positioning column; 203, connecting ring;
[0028] 300, limit seat; 301, slider; 302, side opening; 303, T-plate;
[0029] 400, circular hole; 401, bottom opening; 402, first spring; 403, push plate; 404, pin;
[0030] 500, placement hole; 501, guide column; 502, fixing plate; 503, cone sleeve; 504, docking hole; 505, second spring;
[0031] 600, guide cylinder; 601, spring washer; 602, bolt; 603, nut;
[0032] 700, V-block; 701, guide groove; 702, hexagon socket screw; 703, bottom plate;
[0033] 800. Pad. DETAILED DESCRIPTION
[0034] See also Figure 1-Figure 9 The utility model provides a self-centering tooling with pre-positioning for large-diameter disk-like parts, including a circular plate 100, four circumferentially distributed toothed frames 101 are fixed on the top surface of the circular plate 100, a pressing frame 102 is arranged above the circular plate 100, four circumferentially distributed top openings 103 are opened on the top surface of the pressing frame 102 and matched with the corresponding toothed frames 101, an annular groove 104 is opened on the inner side wall of the pressing frame 102, a rotating ring 105 is rotatably connected in the annular groove 104, four circumferentially distributed fixed frames 200 are fixed on the top surface of the rotating ring 105, two positioning columns 202 are fixed between the top and bottom surfaces of the inner side wall of the fixed frame 200, and a clamping plate 201 is movably connected on the outer side walls of the two positioning columns 202, the clamping plate 201 is matched with the corresponding toothed frame 101, and a connecting ring 203 is fixed between the four clamping plates 201.
[0035] Further Figure 7 and Fig. 9 As shown, four limiting seats 300 distributed in a circle are fixed on the top surface of the circular plate 100, a slider 301 is movably engaged in the limiting seat 300, one end of the slider 301 is an inclined surface, a placement hole 500 is opened at the center of the top surface of the circular plate 100, a guide column 501 is fixed to the bottom surface of the inner wall of the placement hole 500, a fixing plate 502 is fixed to the outer wall of the guide column 501 near the bottom position, the outer wall of the guide column 501 is movably connected with a cone sleeve 503, a docking hole 504 is opened at the center of the bottom surface of the cone sleeve 503, and a second spring 505 is arranged on the outer wall of the guide column 501 near the bottom position.
[0036] The position of the slider 301 can be movably limited by the setting of the limit seat 300, and the setting of the cone sleeve 503 can push the four sliders 301 to move outward synchronously when the cone sleeve 503 moves downward, so that the four sliders 301 can abut against the inner wall of the disc part and fix it.
[0037] This solution has the following working process: when pre-positioning the disk-like parts, first place the disk-like parts on the top surfaces of the four pads 800, adjust the position of the disk-like parts so that the outer wall of the disk-like parts contacts the arc surface of the V-block 700, and then the disk-like parts are pre-positioned.
[0038] When positioning the disk-like parts, rotate the nut 603, the nut 603 rotates to push the spring washer 601 downward, the spring washer 601 moves downward to push the guide cylinder 600 downward, the guide cylinder 600 moves downward to push the cone sleeve 503 downward, at this time the second spring 505 is compressed, the cone sleeve 503 moves downward to push the four sliders 301 to move outward synchronously, at this time the first spring 402 is stretched, so that the disk-like parts are pushed by the four sliders 301 to the fixed column, completing the positioning of the disk-like parts.
[0039] When fixing the top surface of the disc-like parts, the pressing frame 102 is placed on the four toothed frames 101 so that the top opening 103 is correspondingly engaged with the toothed frames 101. At this time, the bottom surface of the pressing frame 102 is in contact with the top surface of the disc-like parts, and the height of the connecting ring 203 is adjusted so that the four clamping plates 201 correspond to the two teeth in the toothed frame 101. Then the connecting ring 203 is rotated so that the four clamping plates 201 are correspondingly engaged between the two teeth in the toothed frame 101. At this time, the bottom surface of the pressing frame 102 is in stable contact with the top surface of the disc-like parts, so that the top surface of the disc-like parts is fixed, wherein the end of the clamping plate 201 that is engaged with the toothed frame 101 is an arc, and the inner side wall of the toothed frame 101 is also an arc, so that when the connecting ring 203 is rotated, the clamping plate 201 can be rotated into the toothed frame 101 and engaged with two adjacent teeth in the toothed frame 101.
[0040] According to the above working process, it can be known that: through the set annular groove 104 and the rotating ring 105, the connecting ring 203 can be rotated, and then the four clamping plates 201 can be rotated, and through the set fixing frame 200 and the positioning column 202, the position of the clamping plate 201 can be movably limited in the vertical direction, and through the set clamping plate 201, the toothed frame 101 and the pressing frame 102, the top surface of the disc-like parts can be pressed and fixed, so that the top surface of the disc-like parts can be quickly fixed, thereby improving the fixing efficiency of the top surface of the disc-like parts.
[0041] By means of the provided nut 603 and bolt 602, the cone sleeve 503 can be pushed, and by means of the provided spring washer 601, the contact area between the nut 603 and the guide cylinder 600 is increased, thereby facilitating the nut 603 to push the guide cylinder 600 to move, and by means of the provided cone sleeve 503 and slider 301, the disc parts can be firmly fixed, thereby facilitating the processing of the disc parts and avoiding displacement of the disc parts during processing.
[0042] By setting the V-shaped block 700, the outer wall of the disc part can contact the arc surface of the V-shaped block 700, so that the disc part can be pre-positioned, and then the disc part is finally positioned, which improves the convenience of positioning the disc part.
[0043] Further Fig. 9As shown, a bolt 602 is fixed to the top surface of the guide column 501, a guide cylinder 600 is movably sleeved on the outer wall of the guide column 501, a spring washer 601 is sleeved on the outer wall of the bolt 602, the bottom surface of the spring washer 601 contacts the top surface of the guide cylinder 600, and a nut 603 is movably connected to the outer wall of the bolt 602.
[0044] By setting the bolt 602 and the nut 603, the nut 603 can push the guide cylinder 600 downward when rotating, and then push the cone sleeve 503 downward, so that the four sliders 301 move outward synchronously, and the spring washer 601 is set to increase the contact area between the nut 603 and the guide cylinder 600.
[0045] Further Figure 8 As shown, a bottom opening 401 is provided on the bottom surface of the slider 301, a circular hole 400 is provided on the top surface of the inner wall of the bottom opening 401, a first spring 402 is arranged in the circular hole 400, one end of the first spring 402 is fixed to one side of the inner wall of the circular hole 400, four circumferentially distributed column pins 404 are fixed to the top surface of the circular plate 100, the column pins 404 are correspondingly located in the bottom opening 401 and the circular hole 400, a push plate 403 is fixed to the top of the outer wall of the column pin 404, and the other end of the first spring 402 is fixed to a side surface of the push plate 403.
[0046] By means of the circular hole 400, the position of the first spring 402 can be movably limited, and by means of the pin 404, one end of the spring can be fixed, so that when the cone sleeve 503 moves upward, the first spring 402 can pull the slider 301 inward, so that the position of the disc part is unfixed.
[0047] Further Figure 7 As shown, two side surfaces of the inner wall of the limiting seat 300 are respectively provided with side openings 302 , a T-shaped plate 303 is fixed to the top surface of the sliding block 301 , and two ends of the T-shaped plate 303 are respectively and movably engaged in the side openings 302 .
[0048] The T-shaped plate 303 and the side opening 302 are provided so that the position of the slider 301 can be further limited, thereby preventing the slider 301 from moving out of the limiting seat 300 .
[0049] Further Figure 2 As shown, a bottom plate 703 is fixed to the bottom surface of the circular plate 100, a V-shaped block 700 is fixed to one side of the top surface of the bottom plate 703, guide grooves 701 are respectively provided on both sides of the top surface of the V-shaped block 700, and two hexagon socket screws 702 are movably connected to one side of the top surface of the bottom plate 703, and the hexagon socket screws 702 are correspondingly located in the guide grooves 701.
[0050] By setting the V-block 700, the disk parts can be pre-positioned before positioning, thereby facilitating the positioning of the disk parts. By setting the hexagon socket screw 702, the V-block 700 can be replaced, thereby facilitating the pre-positioning of disk parts of different diameters.
[0051] Further Figure 2 As shown, four cushion blocks 800 distributed in a circumference are fixed to the top surface of the circular plate 100 .
[0052] By providing the spacers 800 , disk-like parts can be placed on the top surfaces of the four spacers 800 .
[0053] In summary: when pre-positioning a disk-like part, first place the disk-like part on the top surface of the four pads 800, adjust the position of the disk-like part so that the outer wall of the disk-like part contacts the arc surface of the V-block 700, and then the disk-like part is pre-positioned.
[0054] When positioning the disk-like parts, rotate the nut 603, the nut 603 rotates to push the spring washer 601 downward, the spring washer 601 moves downward to push the guide cylinder 600 downward, the guide cylinder 600 moves downward to push the cone sleeve 503 downward, at this time the second spring 505 is compressed, the cone sleeve 503 moves downward to push the four sliders 301 to move outward synchronously, at this time the first spring 402 is stretched, so that the disk-like parts are pushed by the four sliders 301 to the fixed column, completing the positioning of the disk-like parts.
[0055] When fixing the top surface of the disc-like parts, the pressing frame 102 is placed on the four toothed frames 101 so that the top opening 103 is correspondingly engaged with the toothed frames 101. At this time, the bottom surface of the pressing frame 102 is in contact with the top surface of the disc-like parts, and the height of the connecting ring 203 is adjusted so that the four clamping plates 201 correspond to the two teeth in the toothed frame 101. Then the connecting ring 203 is rotated so that the four clamping plates 201 are correspondingly engaged between the two teeth in the toothed frame 101. At this time, the bottom surface of the pressing frame 102 is in stable contact with the top surface of the disc-like parts, so that the top surface of the disc-like parts is fixed, wherein the end of the clamping plate 201 that is engaged with the toothed frame 101 is an arc, and the inner side wall of the toothed frame 101 is also an arc, so that when the connecting ring 203 is rotated, the clamping plate 201 can be rotated into the toothed frame 101 and engaged with two adjacent teeth in the toothed frame 101.
[0056] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A self-centering tool with pre-positioning for large-diameter disk-like parts, comprising a circular plate (100), characterized in that: Four toothed frames (101) distributed in a circumference are fixed on the top surface of the circular plate (100), a pressing frame (102) is arranged above the circular plate (100), four top openings (103) distributed in a circumference and corresponding to the toothed frames (101) are opened on the top surface of the pressing frame (102), an annular groove (104) is opened on the inner side wall of the pressing frame (102), and a rotating ring (104) is rotatably connected in the annular groove (104). 5), four circumferentially distributed fixed frames (200) are fixed on the top surface of the rotating ring (105), two positioning columns (202) are fixed between the top surface and the bottom surface of the inner wall of the fixed frame (200), and a clamping plate (201) is movably connected on the outer wall of the two positioning columns (202), and the clamping plate (201) cooperates with the corresponding toothed frame (101), and a connecting ring (203) is fixed between the four clamping plates (201).
2. A self-centering tool with pre-positioning for large-diameter disk parts according to claim 1, characterized in that: Four limiting seats (300) distributed in a circumference are fixed on the top surface of the circular plate (100), a slider (301) is movably engaged in the limiting seat (300), one end of the slider (301) is an inclined surface, a placement hole (500) is provided at the center of the top surface of the circular plate (100), a guide column (501) is fixed to the bottom surface of the inner wall of the placement hole (500), a fixing plate (502) is fixed to the outer wall of the guide column (501) near the bottom position, a cone sleeve (503) is movably connected to the outer wall of the guide column (501), a docking hole (504) is provided at the center of the bottom surface of the cone sleeve (503), and a second spring (505) is provided at the outer wall of the guide column (501) near the bottom position.
3. A self-centering tool with pre-positioning for large-diameter disk parts according to claim 2, characterized in that: A bolt (602) is fixed to the top surface of the guide column (501); a guide cylinder (600) is movably sleeved on the outer wall of the guide column (501); a spring washer (601) is sleeved on the outer wall of the bolt (602); the bottom surface of the spring washer (601) contacts the top surface of the guide cylinder (600); and a nut (603) is movably connected to the outer wall of the bolt (602).
4. A self-centering tool with pre-positioning for large-diameter disk parts according to claim 3, characterized in that: The bottom surface of the slider (301) is provided with a bottom opening (401), and the top surface of the inner wall of the bottom opening (401) is provided with a circular hole (400). A first spring (402) is arranged in the circular hole (400), and one end of the first spring (402) is fixed to one side of the inner wall of the circular hole (400). Four column pins (404) distributed in a circle are fixed to the top surface of the circular plate (100), and the column pins (404) are correspondingly located in the bottom opening (401) and the circular hole (400). A push plate (403) is fixed to the top of the outer wall of the column pin (404), and the other end of the first spring (402) is fixed to one side of the push plate (403).
5. A self-centering tool with pre-positioning for large-diameter disk parts according to claim 4, characterized in that: Side openings (302) are respectively provided on two adjacent side surfaces of the inner wall of the limiting seat (300), a T-shaped plate (303) is fixed on the top surface of the sliding block (301), and two ends of the T-shaped plate (303) are respectively and movably engaged in the side openings (302).
6. A self-centering tool with pre-positioning for large-diameter disk parts according to claim 5, characterized in that: A bottom plate (703) is fixed to the bottom surface of the circular plate (100), a V-shaped block (700) is fixed to one side of the top surface of the bottom plate (703), guide grooves (701) are respectively provided on both sides of the top surface of the V-shaped block (700), and two hexagon socket screws (702) are movably connected to one side of the top surface of the bottom plate (703), and the hexagon socket screws (702) are correspondingly located in the guide grooves (701).
7. A self-centering tool with pre-positioning for large-diameter disk parts according to claim 6, characterized in that: Four cushion blocks (800) distributed in a circumference are fixed to the top surface of the circular plate (100).