CN222986295U - Disc part self-centering processing positioning device - Google Patents
Disc part self-centering processing positioning device Download PDFInfo
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- CN222986295U CN222986295U CN202422155526.9U CN202422155526U CN222986295U CN 222986295 U CN222986295 U CN 222986295U CN 202422155526 U CN202422155526 U CN 202422155526U CN 222986295 U CN222986295 U CN 222986295U
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Abstract
本实用新型公开了一种圆盘零件自定心加工定位装置，属于机械加工技术领域，包括定位轴，定位轴的右端面沿圆周均匀固定设置有若干弹簧片，定位轴的右端面螺纹连接有压紧螺栓，压紧螺栓上套设有锥形压紧块。本实用新型在对圆盘零件进行固定时，首先将圆盘零件筒体套在若干弹簧片的外侧，然后转动压紧螺栓使得压紧螺栓向左移动，使得锥形压紧块的小端进入多个弹簧片之间迫使若干弹簧片向外侧分离，使得每个弹簧片的外端均抵紧圆盘零件的筒体的内侧壁，以固定圆盘零件，通过圆盘零件的内孔对圆盘零件进行定位和固定，然后对圆盘零件的外表面和两个端面进行加工，一次固定即可加工完成，加工质量高，效率加工尺寸容易保证、加工精度高、生产效率高。
The utility model discloses a self-centering processing and positioning device for a disc part, which belongs to the field of mechanical processing technology, and comprises a positioning shaft, a plurality of spring sheets are evenly fixedly arranged on the right end face of the positioning shaft along the circumference, a clamping bolt is threadedly connected to the right end face of the positioning shaft, and a conical clamping block is sleeved on the clamping bolt. When fixing the disc part, the utility model first sleeves the disc part cylinder on the outside of the plurality of spring sheets, and then rotates the clamping bolt to move the clamping bolt to the left, so that the small end of the conical clamping block enters between the plurality of spring sheets to force the plurality of spring sheets to separate outward, so that the outer end of each spring sheet is pressed against the inner side wall of the cylinder of the disc part to fix the disc part, and the disc part is positioned and fixed through the inner hole of the disc part, and then the outer surface and two end faces of the disc part are processed, and the processing can be completed by fixing once, with high processing quality, easy guarantee of efficient processing size, high processing accuracy and high production efficiency.
Description
Technical Field
The utility model belongs to the technical field of machining, and particularly relates to a self-centering machining positioning device for disc parts.
Background
In the field of machining, a conventional machining method for a disc part is to clamp a workpiece on a chuck of a horizontal lathe, tightly press the center of a tailstock against the other side surface of the disc part, fix a new disc part, rotate the workpiece, clamp a cutter on a cutter rest and machine the workpiece. The device has the advantages that the machine tool parts are directly utilized for positioning and compacting, and the operation is relatively quick.
The two end surfaces of the workpiece are required to be separately machined and are required to be fixed by turning, and the positioning accuracy of the machining is different before and after the machining because of the two fixing processes, so that the machining method is not suitable for machining products with high dimensional accuracy requirements, has poor machining dimensional stability and low machining quality, and becomes a bottleneck problem in machining of the disc parts.
Disclosure of utility model
The utility model aims to provide a self-centering processing positioning device for a disc part, which has the advantages of high positioning and fixing stability and capability of finishing processing by one-time fixing, and solves the problems of poor positioning precision, inapplicability to products with high processing dimensional precision requirements, poor processing dimensional stability and low quality of the disc part in the prior art.
The self-centering processing positioning device for the disc part comprises a positioning shaft, wherein a plurality of spring pieces are uniformly and fixedly arranged on the right end face of the positioning shaft along the circumference, a compression bolt is connected with the right end face of the positioning shaft in a threaded manner, and a conical compression block is sleeved on the compression bolt.
Further, a push-out spring is arranged between the right end face of the positioning shaft and the conical compression block.
Further, the left end of each spring piece is provided with an arc block, and the outer surface of the arc block is higher than the outer surface of the spring piece in a natural state.
Further, each of the inner side walls of the arc blocks is fixedly provided with a guide rod, the left side face of the guide rod is slidably arranged along the radial direction with the right end face of the positioning shaft, the right side of the guide rod is radially provided with a reset spring, the outer end of the reset spring is fixedly arranged with the inner side wall of the corresponding arc block, and the inner end of the reset spring is fixedly arranged with the positioning shaft.
Further, the outer surface of the positioning shaft positioned at the left side of the arc block is in threaded connection with a driving nut, the right side surface of the driving nut is coaxially and fixedly provided with a driving block, and the outer surface of the driving block is a conical surface.
Further, the right end face of the positioning shaft is provided with sliding grooves corresponding to the guide rods in the radial direction, the positioning shaft is provided with sliding blocks in a left-right sliding mode through each sliding groove, each sliding block is arranged in a radial sliding mode with the corresponding guide rod, and the guide rods are arranged in a radial sliding mode through the sliding blocks and the positioning shaft.
Further, a driving device is arranged on a positioning shaft positioned at the left side of the chute, the output end of the driving device is connected with each sliding block, and the bottom end of the return spring is fixedly arranged with the inner bottom wall of the chute.
Further, a plurality of accommodating grooves corresponding to the sliding grooves are formed in the left side of the sliding grooves on the positioning shaft in the radial direction, threaded rods are fixedly arranged on the left side face of each sliding block, and each threaded rod penetrates through the positioning shaft to enter the corresponding accommodating groove.
Further, the positioning shaft is rotationally connected with a gear through the left side wall of each accommodating groove, each threaded rod penetrates through the corresponding gear and is in threaded connection with the gear, and the driving device comprises a gear ring rotationally connected with the positioning shaft, and the gear ring is meshed with each gear.
Further, the left end of the positioning shaft is fixedly provided with a vertical plate, and the lower end face of the vertical plate is fixedly provided with a bottom plate.
1. According to the utility model, when the disc part is fixed, the disc part cylinder is sleeved on the outer sides of the spring pieces, the pressing bolt is in threaded connection with the right end face of the positioning shaft, the pressing bolt is rotated to enable the pressing bolt to move leftwards, the tapered pressing block is driven to move leftwards, the small end of the tapered pressing block enters the plurality of spring pieces to force the plurality of spring pieces to separate outwards, the outer end of each spring piece is abutted against the inner side wall of the disc part cylinder, so that the disc part is fixed, the disc part is positioned and fixed through the inner holes of the disc part, then the outer surface and the two end faces of the disc part are machined, the disc part cylinder can be machined and finished in one step, the machining quality is high, the efficiency machining size is easy to ensure, the machining precision is high, and the production efficiency is high.
2. According to the utility model, when the disc part is processed, the driving nut is rotated to move rightwards on the positioning shaft, so that the driving block fixed with the driving nut forces the arc block to move outwards in the radial direction through the cooperation of the conical surface and the inner side wall of the arc block, and the arc block is abutted against the inner side wall of the reducer union when being expanded outwards, so that the reducer union is supported, and the purpose of fixedly supporting the reducer union of the disc part is achieved.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;
FIG. 2 is a schematic elevational view of the present utility model;
FIG. 3 is a schematic view of a three-dimensional structure of a disc element according to the present utility model;
FIG. 4 is a schematic view of a three-dimensional structure of a positioning shaft according to the present utility model;
FIG. 5 is a schematic diagram of the front view of the positioning shaft in the present utility model;
FIG. 6 is a schematic view of a three-dimensional structure of a conical compaction block according to the present utility model;
FIG. 7 is a schematic view of a three-dimensional structure of an arc block according to the present utility model;
FIG. 8 is a schematic three-dimensional view of a return spring according to the present utility model;
FIG. 9 is a schematic view of a three-dimensional structure of a slider according to the present utility model;
FIG. 10 is an enlarged schematic view of the structure A in FIG. 9 according to the present utility model;
fig. 11 is a schematic three-dimensional structure of a guide rod according to the present utility model.
In the figure, 1, a cylinder body, 2, a lip plate, 3, a reducing joint, 4, a positioning shaft, 5, a spring piece, 6, a compression bolt, 7, a conical compression block, 8, a push-out spring, 9, an arc block, 10, a guide rod, 11, a return spring, 12, a driving nut, 13, a driving block, 14, a sliding chute, 15, a sliding block, 16, a containing groove, 17, a threaded rod, 18, a gear, 19, a gear ring, 20, a vertical plate, 21 and a bottom plate.
Detailed Description
The utility model is described in detail below with reference to the attached drawings and examples:
Referring to fig. 1-11, the conventional disc part comprises a cylinder 1, a lip plate 2 is coaxially and fixedly arranged on the outer surface of the cylinder 1, and a reducer union 3 is coaxially and fixedly arranged on the left side surface of the cylinder 1.
The self-centering processing and positioning device for the disc part comprises a positioning shaft 4, wherein a plurality of spring pieces 5 are uniformly and fixedly arranged on the right end face of the positioning shaft 4 along the circumference, a compression bolt 6 is connected to the right end face of the positioning shaft 4 in a threaded manner, a conical compression block 7 is sleeved on the compression bolt 6, when the self-centering processing and positioning device is used, a cylinder body 1 of the disc part is sleeved outside the plurality of spring pieces 5, then the small end of the conical compression block 7 enters the plurality of spring pieces 5 to force the plurality of spring pieces 5 to separate outwards by screwing the compression bolt 6, the outer end of each spring piece 5 abuts against the inner side wall of the cylinder body 1 of the disc part to fix the disc part, and the two end faces and the outer circle of the disc part can be processed by one-time fixation, so that the production efficiency is high.
In order to achieve the aim of facilitating the taking out of the processed disc parts, in the embodiment, a push-out spring 8 is arranged between the right end face of the positioning shaft 4 and the conical compression block 7, when the disc parts are used, the compression bolt 6 is arranged in the push-out spring 8 in a penetrating mode and is in threaded connection with the right end face of the positioning shaft 4, the conical compression block 7 forces the plurality of spring pieces 5 to be separated outwards to fix the disc parts, after the disc parts are processed, the compression bolt 6 is rotated to enable the compression bolt 6 to move rightwards, the conical compression block 7 can automatically move rightwards under the action of the push-out spring 8, the outer end of each spring piece 5 moves inwards to reset, the fixation of the cylinder body 1 of the disc parts is relieved, and the disc parts are taken down at the moment.
In order to solve the problem, in the embodiment, the left end of each spring piece 5 is provided with an arc block 9, the outer surface of the arc block 9 is higher than the outer surface of the spring piece 5 in a natural state, and when the inner side wall of the cylinder body 1 of the disc part is fixedly supported by the outer expansion of each spring piece 5, the outer expansion of the arc block 9 with the same set degree as the outer expansion of the spring piece 5 is generated, so that the outer surface of the arc block 9 is contacted with the inner side wall of the reducer union 3, the inner side wall of the reducer union 3 is fixedly supported, and the quality and the efficiency of the processing of the end surface and the outer surface of the reducer union 3 are improved.
In the embodiment, the inner side wall of each arc block 9 is fixedly provided with a guide rod 10, the left side surface of the guide rod 10 and the right end surface of the positioning shaft 4 are arranged in a sliding way in the radial direction, the right side of the guide rod 10 is provided with a reset spring 11 in the radial direction, the outer end of the reset spring 11 and the inner side wall of the corresponding arc block 9 are fixedly arranged, the inner end of the reset spring 11 and the positioning shaft 4 are fixedly arranged, the outer surface of the positioning shaft 4 positioned at the left side of the arc block 9 is in threaded connection with a driving nut 12, the right side surface of the driving nut 12 is coaxially and fixedly provided with a driving block 13, the outer surface of the driving block 13 is a conical surface, in order to increase the adaptability of the arc block 9, in the use, the driving block 13 is forced to move outwards in the radial direction through the cooperation of the conical surface and the inner side wall of the arc block 9, the corresponding guide rod 10 and the positioning shaft 4 are enabled to slide outwards in the radial direction, the inner end of the reset spring 11 is fixedly arranged at the outer end of the reset spring 11 and the inner side wall of the corresponding arc block 9, the inner side surface of the corresponding arc block 9 is enabled to be in contact with the conical surface of the radial direction, the radial spring 3 is enabled to be pressed against the inner side surface of the radial spring 9, and then the radial spring 9 is enabled to move towards the inner side surface of the radial surface of the positioning nut 6, and the conical surface of the radial spring is enabled to be pressed down, and the radial spring is enabled to be pressed against the inner side surface of the radial spring 3 is formed, and the radial expansion surface is enabled to be pressed down, and the radial expansion of the radial spring is enabled to be pressed down, and the radial expansion of the radial nut is pressed down, and the radial expansion of the radial nut is pressed down.
In practical use, the length of the cylinder 1 is of various specifications, so that the positions of the reducer union 3 are different, and in order to enable the arc block 9 to be matched with the spring piece 5 to better position and fix the disc part, in the embodiment, the right end surface of the positioning shaft 4 is radially provided with sliding grooves 14 corresponding to the guide rods 10, the positioning shaft 4 is provided with sliding blocks 15 in a left-right sliding manner through each sliding groove 14, each sliding block 15 is arranged in a radial sliding manner with the corresponding guide rod 10, and the guide rods 10 are arranged in a radial sliding manner through the sliding blocks 15 and the positioning shaft 4; the positioning shaft 4 positioned at the left side of the sliding groove 14 is also provided with a driving device, the output end of the driving device is connected with each sliding block 15, the bottom end of the return spring 11 is fixedly arranged with the inner bottom wall of the sliding groove 14, when the disc part is fixed, the cylinder 1 of the disc part is sleeved outside each spring piece 5, at the moment, if the position of the arc block 9 is not corresponding to the reducing joint 3 of the disc part, each sliding block 15 can be driven by the driving device to move left and right in the sliding groove 14, and then the sliding block 15 drives each arc block 9 to move left and right through the guide rod 10 so as to adjust the left and right positions of the arc blocks 9, the positions of the driving nuts 12 are correspondingly moved, then the compression bolt 6 is rotated so as to move the compression bolt 6 leftwards, and then the conical compression block 7 is driven to move leftwards, the small end of the conical compression block 7 enters a plurality of spring pieces 5 and is forced to abut against the inner side wall 1 of the disc part outwards through the conical surface, then the sliding block 15 is driven by the driving device to move left and the guide rod 10 to move each arc block 9 through the guide rod 10, the inner side wall of each arc block 9 is contacted with the conical surface of the driving block 13, the driving device drives each arc block 9 to move leftwards, each arc block 9 slides outwards under the limit of the conical surface of the driving block 13 due to the fact that the driving nut 12 is static, each arc block 9 is in contact with and fixed with the inner side wall of the reducer union 3, the purpose that the cylinder body 1 and the reducer union 3 of the disc part are fixed is achieved, then the outer surface and the two end faces of the disc part are machined, after machining is finished, the driving device drives each arc block 9 to move rightwards, each arc block 9 moves inwards under the action of the reset spring 11, the outer surface of each arc block 9 is separated from the inner side wall of the reducer union 3, then the compression bolt 6 is rotated, the conical compression block 7 automatically moves rightwards under the action of the push-out spring 8, the outer end of each spring piece 5 moves inwards, and then the disc part is removed.
In the scheme, the mode of driving the arc block 9 to move outwards can be realized by rotating the driving nut 12 to drive the arc block 9 to move outwards through the driving block 13, and the reset spring 11 can generate inclination adaptation when the arc block 9 is moved left and right according to practical conditions.
In this embodiment, a plurality of accommodating grooves 16 corresponding to the sliding grooves 14 are radially formed in the left side of the sliding groove 14 on the positioning shaft 4, threaded rods 17 are fixedly arranged on the left side surface of each sliding block 15, each threaded rod 17 penetrates through the positioning shaft 4 to enter the corresponding accommodating groove 16, the positioning shaft 4 is rotationally connected with a gear 18 through the left side wall of each accommodating groove 16, each threaded rod 17 penetrates through the corresponding gear 18 and is in threaded connection with the gear 18, the driving device comprises a gear ring 19 rotationally connected with the positioning shaft 4, the gear ring 19 is meshed with each gear 18, and when the driving device is used, each gear 18 is driven to rotate through rotating the gear ring 19, so that each sliding block 15 is driven to move left and right in the sliding groove 14 through the threaded rods 17, and further, each sliding block 15 is driven to move left and right through the guide rod 10, and the purpose of driving the arc blocks 9 to move left and right is achieved.
In this embodiment, the left end of the positioning shaft 4 is fixedly provided with a vertical plate 20, and the lower end surface of the vertical plate 20 is fixedly provided with a bottom plate 21.
When the utility model is used, the cylinder body 1 of the disc part is sleeved outside a plurality of spring pieces 5, each sliding block 15 is driven to move left and right in the sliding groove 14 by rotating the gear ring 19, and then the sliding blocks 15 drive each arc block 9 to move left and right by the guide rod 10 so as to adjust the left and right positions of the arc blocks 9, and the positions of the arc blocks 9 and the reducer union 3 are corresponding; then the small end of the conical compression block 7 enters between the spring pieces 5 to force the spring pieces 5 to separate outwards, so that the outer end of each spring piece 5 is abutted against the inner side wall of the cylinder body 1 of the disc part to fix the disc part, then the gear 18 is driven to rotate by the rotating gear ring 19, the gear 18 drives the guide rod 10 to move leftwards through the threaded rod 17 and the sliding block 15, the guide rod 10 drives the arc blocks 9 to move leftwards, the inner side wall of each arc block 9 is contacted with the conical surface of the driving block 13, the rotating gear ring 19 is continuously rotated to drive each arc block 9 to move leftwards, each arc block 9 slides outwards under the limit of the conical surface of the driving block 13, so that each arc block 9 is abutted against the inner side wall of the reducing joint 3 to fix the cylinder body 1 and the reducing joint 3 of the disc part, then the outer surface and the two end faces of the disc part are processed, the arc blocks 9 are driven to move rightwards by the rotating the gear ring 19, so that each arc block 9 moves inwards under the action of the reset spring 11, then the compression bolt 6 is automatically pushed out of the conical compression block 6 to the right under the action of the spring 13, the compression bolt 6 is automatically pushed out of the compression bolt 6 to the right after the processing is finished, and then the disc part is taken down.
Claims (10)
1. A self-centering processing positioning device for disc parts is characterized by comprising a positioning shaft (4), wherein a plurality of spring pieces (5) are uniformly and fixedly arranged on the right end face of the positioning shaft (4) along the circumference, a compression bolt (6) is connected with the right end face of the positioning shaft (4) in a threaded manner, and a conical compression block (7) is sleeved on the compression bolt (6).
2. The self-centering positioning device for the disc parts according to claim 1 is characterized in that a push-out spring (8) is arranged between the right end face of the positioning shaft (4) and the conical pressing block (7).
3. The self-centering positioning device for disc parts according to claim 2, wherein an arc block (9) is arranged at the left end of each spring piece (5), and the outer surface of the arc block (9) is higher than the outer surface of the spring piece (5) in a natural state.
4. The disc part self-centering machining positioning device according to claim 3, wherein guide rods (10) are fixedly arranged on the inner side walls of the arc blocks (9), the left side faces of the guide rods (10) and the right end face of the positioning shaft (4) are arranged in a sliding mode in the radial direction, return springs (11) are arranged on the right side of the guide rods (10) in the radial direction, the outer ends of the return springs (11) and the inner side walls of the corresponding arc blocks (9) are fixedly arranged, and the inner ends of the return springs (11) and the positioning shaft (4) are fixedly arranged.
5. The self-centering processing positioning device for disc parts according to claim 4, wherein the outer surface of the positioning shaft (4) positioned on the left side of the arc block (9) is in threaded connection with a driving nut (12), the right side surface of the driving nut (12) is coaxially and fixedly provided with a driving block (13), and the outer surface of the driving block (13) is a conical surface.
6. The self-centering machining positioning device for the disc parts according to claim 5, wherein sliding grooves (14) corresponding to the guide rods (10) are formed in the right end face of the positioning shaft (4) in the radial direction, the positioning shaft (4) is provided with sliding blocks (15) in a left-right sliding mode through each sliding groove (14), each sliding block (15) is arranged in a radial sliding mode with the corresponding guide rod (10), and the guide rods (10) are arranged in a radial sliding mode with the positioning shaft (4) through the sliding blocks (15).
7. The self-centering positioning device for disc parts according to claim 6 is characterized in that a driving device is arranged on a positioning shaft (4) positioned on the left side of a sliding groove (14), the output end of the driving device is connected with each sliding block (15), and the bottom end of a return spring (11) is fixedly arranged with the inner bottom wall of the sliding groove (14).
8. The self-centering machining positioning device for disc parts according to claim 7, wherein the positioning shaft (4) is provided with a plurality of accommodating grooves (16) corresponding to the sliding grooves (14) along the radial direction on the left side of the sliding grooves (14), the left side surface of each sliding block (15) is fixedly provided with a threaded rod (17), and each threaded rod (17) penetrates through the positioning shaft (4) to enter the corresponding accommodating groove (16).
9. The self-centering positioning device for disc parts according to claim 8, wherein the positioning shaft (4) is rotatably connected with gears (18) through the left side wall of each accommodating groove (16), each threaded rod (17) passes through the corresponding gear (18) and is in threaded connection with the gear (18), the driving device comprises a gear ring (19) rotatably connected with the positioning shaft (4), and the gear ring (19) is meshed with each gear (18).
10. The self-centering positioning device for disc parts according to claim 1, wherein a vertical plate (20) is fixedly arranged at the left end of the positioning shaft (4), and a bottom plate (21) is fixedly arranged on the lower end surface of the vertical plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422155526.9U CN222986295U (en) | 2024-09-03 | 2024-09-03 | Disc part self-centering processing positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422155526.9U CN222986295U (en) | 2024-09-03 | 2024-09-03 | Disc part self-centering processing positioning device |
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| CN222986295U true CN222986295U (en) | 2025-06-17 |
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| CN202422155526.9U Active CN222986295U (en) | 2024-09-03 | 2024-09-03 | Disc part self-centering processing positioning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120347478A (en) * | 2025-06-23 | 2025-07-22 | 集美大学诚毅学院 | Ultrasonic impact surface modification device and method for cutter ring of shield tunneling machine |
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2024
- 2024-09-03 CN CN202422155526.9U patent/CN222986295U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120347478A (en) * | 2025-06-23 | 2025-07-22 | 集美大学诚毅学院 | Ultrasonic impact surface modification device and method for cutter ring of shield tunneling machine |
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