Mounting chuck for rotary lathe
By designing a support shaft and reinforcing structure, combined with a clamping and rotating mechanism and bearings, the problem of fixing heavy rotating parts on a rotary lathe has been solved, achieving stable clamping and high-precision machining of heavy parts.
Patent Information
- Application Number
- CN202423216021.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Existing rotary lathes have difficulty in stably fixing heavy rotating parts, which affects the machining quality.
The design employs a support shaft and a reinforced structure, combined with the use of a clamping and rotating mechanism and bearings. The reinforced structure withstands the axial and radial forces of the clamping and rotating mechanism, and the clamping force of the four-jaw chuck is used to stably clamp heavy rotating parts.
It improves the connection stability and machining accuracy of heavy rotating parts, enhances the axial and radial load-bearing capacity of the four-jaw chuck, and extends its service life.
Smart Images
Figure CN223718342U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of rotary mounting, in particular to a mounting chuck for a rotary lathe. BACKGROUND
[0002] In the process of mechanical processing production, different shapes of rotary parts, such as shaft parts, sleeve parts and special-shaped parts, often need to be mounted on a rotary lathe for processing. The rotary lathe is provided with a rotary shaft for fixing the rotary parts, so that the sleeve parts to be processed can be sleeved on the rotary shaft. For the shaft parts and special-shaped parts to be processed, they need to be drilled or additionally inserted with a plug beforehand, so that the shaft parts and special-shaped parts can be fixed on the rotary shaft for subsequent mechanical processing.
[0003] However, this fixing method makes the rotary shaft only suitable for light-weight rotary parts. When the rotary shaft is used to fix heavy rotary parts, it is difficult to center the heavy rotary parts for processing, thereby affecting the processing quality, and there is room for improvement. CONTENT OF THE UTILITY MODEL
[0004] In order to realize stable mounting of heavy rotary parts, the application provides a mounting chuck for a rotary lathe.
[0005] The mounting chuck for the rotary lathe provided by the application adopts the following technical scheme:
[0006] The mounting chuck for the rotary lathe comprises a supporting shaft fixedly connected to a rotary shaft of the rotary lathe and a clamping rotating mechanism for clamping and fixing heavy rotary parts, and the supporting shaft is connected with a reinforcing structure for bearing axial force and radial force of the clamping rotating mechanism, and the reinforcing structure is arranged on a side of the clamping rotating mechanism away from the heavy rotary parts.
[0007] By adopting the above technical scheme, one end of the supporting shaft is connected to the rotary shaft of the rotary lathe, one end of the supporting shaft is connected to the reinforcing structure, and when the rotary lathe is operated to drive the rotary shaft to rotate the supporting shaft, the supporting shaft drives the reinforcing structure and the clamping rotating mechanism to rotate. By arranging the reinforcing structure, the reinforcing structure can bear the axial force and radial force generated when the clamping rotating mechanism rotates, thereby improving the connection stability of the clamping rotating mechanism to the heavy rotary parts.
[0008] Preferably, the clamping rotating mechanism is arranged as a four-jaw chuck.
[0009] By adopting the above technical scheme, the four-jaw chuck is arranged, the clamping force of the four-jaw chuck is strong, so that the four-jaw chuck can stably clamp heavy rotary parts and workpieces of various shapes and sizes, thereby improving the stability and precision of clamping.
[0010] Preferably, the reinforcing structure comprises a bearing seat, a first angular bearing, a tapered roller bearing and an end cover for sealing the bearing seat, the bearing seat is arranged on the side of the four-jaw chuck away from the heavy rotary part, the first angular bearing and the tapered roller bearing are both sleeved on the end of the support shaft away from the rotary lathe, and the first angular bearing and the tapered roller bearing are both arranged in the bearing seat, and the end cover is detachably connected with the bearing seat.
[0011] By adopting the above technical scheme, the first angular bearing and the tapered roller bearing can bear the axial force and the radial force generated during use of the four-jaw chuck, the axial and radial load-carrying capacity of the four-jaw chuck is improved, and the stability and safety of the four-jaw chuck structure are ensured.
[0012] Preferably, the bearing seat is internally provided with a second angular bearing, the second angular bearing is sleeved on the support shaft, and the first angular bearing and the second angular bearing are in abutting fit.
[0013] By adopting the above technical scheme, the second angular bearing is arranged to further bear the axial force and the radial force generated during use of the four-jaw chuck, thereby enhancing the load-carrying capacity of the four-jaw chuck and improving the stability and service life of the four-jaw chuck.
[0014] Preferably, the support shaft comprises a support part and a standard taper part, the support part and the standard taper part are fixedly connected, the support part is arranged in the bearing seat, the standard taper part is connected with the rotary lathe, and the first angular bearing and the tapered roller bearing are both arranged on the support part.
[0015] By adopting the above technical scheme, the support part can be connected with the bearing seat by arranging the support part, and the standard taper part has high dimensional accuracy, position requirement and surface roughness accuracy requirement in connection with the rotary lathe, thereby improving the connection stability between the standard taper part and the rotary lathe.
[0016] Preferably, the bearing seat is internally provided with a spacer sleeve washer, the spacer sleeve washer is sleeved on the support part, one end of the spacer sleeve washer is in abutting fit with the second angular bearing, and the other end of the spacer sleeve washer is in abutting fit with the tapered roller bearing.
[0017] By adopting the above technical scheme, the spacer sleeve washer helps to maintain the proper clearance of the first angular bearing and the tapered roller bearing, thereby improving the running stability of the first angular bearing and the tapered roller bearing, respectively.
[0018] Preferably, the end cover is provided with a through hole for facilitating supplement of lubricating grease into the bearing seat, and the through hole is arranged between the end cover and the support part.
[0019] By adopting the technical scheme, the through hole is arranged, so that the staff can supplement the lubricating grease into the bearing seat through the through hole, the first angular bearing and the tapered roller bearing are ensured to be well lubricated, the possibility of friction or wear on the first angular bearing and the tapered roller bearing is reduced, and the service life of the first angular bearing and the tapered roller bearing is respectively improved.
[0020] Preferably, an O-shaped sealing ring for sealing the gap between the end cover and the supporting part is arranged in the through hole of the end cover.
[0021] By adopting the technical scheme, the O-shaped sealing ring is arranged, dust and moisture and other impurities are effectively prevented from entering the bearing seat, and the service life of the first angular bearing, the tapered roller bearing or other components in the bearing seat is prolonged.
[0022] In summary, the present application has at least one of the following beneficial technical effects:
[0023] 1. One end of the supporting shaft is connected to the rotating shaft of the rotary lathe, and the other end of the supporting shaft is connected to the reinforcing structure. When the rotating shaft of the rotary lathe is driven to rotate the supporting shaft, the supporting shaft drives the reinforcing structure and the clamping rotating mechanism to rotate. The reinforcing structure is arranged to withstand the axial force and radial force generated when the clamping rotating mechanism rotates, thereby improving the connection stability of the clamping rotating mechanism to heavy rotating parts.
[0024] 2. The first angular bearing and the tapered roller bearing are arranged to withstand the axial force and radial force generated when the four-jaw chuck is used, thereby improving the axial and radial load-carrying capacity of the four-jaw chuck and ensuring the stability and safety of the four-jaw chuck structure.
[0025] 3. The second angular bearing is arranged to further withstand the axial force and radial force generated when the four-jaw chuck is used, thereby enhancing the load-carrying capacity of the four-jaw chuck and improving the stability and service life of the four-jaw chuck. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 is the axis measurement schematic diagram mainly embodying the overall structure in the embodiment of the present application;
[0027] Figure 2 is the sectional view mainly embodying the internal structure of the reinforcing structure in the embodiment of the present application.
[0028] Fig. 1, support shaft; 11, support part; 111, blocking ring; 112, stepped ring; 12, standard taper part; 2, clamping rotating mechanism; 21, four-jaw chuck; 3, reinforcing structure; 31, bearing seat; 311, spacer sleeve washer; 32, first angular bearing; 33, tapered roller bearing; 34, end cover; 341, through hole; 3411, O-shaped sealing ring; 35, second angular bearing. DETAILED DESCRIPTION
[0029] The following will be described in detail below with reference to the accompanying drawings. Figure 1 - the accompanying drawings Figure 2 The application is further described in detail.
[0030] The embodiment of the application discloses a mounting chuck for a rotary lathe.
[0031] Referring to Figure 1 A mounting chuck for a rotary lathe, comprising a support shaft 1 fixedly connected to a rotary shaft of the rotary lathe and a clamping rotating mechanism 2 for clamping and fixing a heavy rotary part, wherein a reinforcing structure 3 is arranged between the support shaft 1 and the clamping rotating mechanism 2, the reinforcing structure 3 is used for bearing most of axial force and radial force generated when the clamping rotating mechanism 2 rotates, the reinforcing structure 3 is connected to an end of the support shaft 1 away from the rotary lathe, and the reinforcing structure is arranged on a side of the clamping rotating mechanism 2 away from the heavy rotary part.
[0032] Referring to Figure 1 and Figure 2 In the embodiment, the clamping rotating mechanism 2 is arranged as a four-jaw chuck 21, the four-jaw chuck 21 has strong clamping force, so that the four-jaw chuck 21 can stably clamp the heavy rotary part and workpieces of various shapes and sizes, and the stability and precision of clamping are improved.
[0033] Referring to Figure 2 For shaft parts and special-shaped parts, a worker can clamp and fix two ends of the shaft parts or the special-shaped parts by adjusting the claws of the four-jaw chuck 21; for sleeve parts, the worker can respectively sleeve two ends of the sleeve parts on the claws of the four-jaw chuck 21, and stably support the sleeve parts by adjusting the claw positions of the four-jaw chuck 21.
[0034] Referring to Figure 1 and Figure 2 The support shaft 1 comprises a support part 11 and a standard taper part 12, and the support part 11 and the standard taper part 12 are fixedly connected, in the embodiment, the support part 11 and the standard taper part 12 are arranged in an integral mode, the support part 11 is arranged inside the bearing seat 31, and the standard taper part 12 is fixedly connected to the rotary shaft of the rotary lathe through bolts.
[0035] Referring to Figure 2, with the setting of the standard taper 12, the connection of the standard taper 12 and the rotating shaft of the rotary lathe has high dimensional accuracy, position accuracy and surface roughness accuracy requirements, which improves the connection stability between the standard taper 12 and the rotary lathe.
[0036] With reference to Figure 1 and Figure 2 , the reinforcing structure 3 includes a bearing seat 31, a first angular bearing 32, a tapered roller bearing 33 and an end cover 34 for sealing the bearing seat 31, the bearing seat 31 is bolted on the side of the four-jaw chuck 21 away from the heavy rotating part, the first angular bearing 32 and the tapered roller bearing 33 are both sleeved on the end of the support shaft 1 away from the rotary lathe, and the first angular bearing 32 and the tapered roller bearing 33 are both arranged inside the bearing seat 31, the end cover 34 is detachably connected with the bearing seat 31, and in this embodiment, the end cover 34 is bolted on the bearing seat 31.
[0037] With reference to Figure 2 , the inner ring of the first angular bearing 32 and the inner ring of the tapered roller bearing 33 are both in interference fit with the outer ring of the support part 11, and the outer ring of the first angular bearing 32 and the outer ring of the tapered roller bearing 33 are both in interference fit with the inner ring of the bearing seat 31, the first angular bearing 32 and the tapered roller bearing 33 can withstand most of the axial force and radial force generated during use of the four-jaw chuck 21, which improves the axial and radial load-carrying capacity of the four-jaw chuck 21 and ensures the stability and safety of the structure of the four-jaw chuck 21.
[0038] With reference to Figure 2 , the support part 11 is integrally formed with a blocking ring 111 near one end of the first angular bearing 32, the blocking ring 111 is used to limit the first angular bearing 32 on the support part 11, so as to prevent the first angular bearing 32 from shifting during rotation and affecting the structural performance; the support part 11 is integrally formed with a stepped ring 112 near one end of the standard end, the stepped surface of the stepped ring 112 is in abutting fit with the inner surface of the end cover 34, and the side of the stepped ring 112 away from the end cover 34 is in abutting fit with the tapered roller bearing 33, so that the support part 11 can stably drive the bearing seat 31 to rotate.
[0039] With reference to Figure 1 and Figure 2The reinforcing structure 3 further comprises a second angular bearing 35 arranged in the bearing seat 31, the second angular bearing 35 is sleeved on the support shaft 1, the inner ring of the second angular bearing 35 is in interference fit with the outer ring of the support shaft 1, the outer ring of the second angular bearing 35 is in interference fit with the inner ring of the bearing seat 31, the first angular bearing 32 and the second angular bearing 35 are arranged side by side and form an abutting fit, the second angular bearing 35 further bears the axial force and radial force generated during use of the four-jaw chuck 21, thereby enhancing the load capacity of the four-jaw chuck 21 and improving the stability and service life of the four-jaw chuck 21.
[0040] With reference to Figure 2 The bearing seat 31 is internally provided with a spacer washer 311, the spacer washer 311 is sleeved on the support portion 11 and is in interference fit with the outer ring of the support portion 11, one end of the spacer washer 311 forms an abutting fit with the second angular bearing 35, and the other end of the spacer washer 311 forms an abutting fit with the tapered roller bearing 33, the spacer washer 311 helps to maintain the proper clearance of the first angular bearing 32 and the tapered roller bearing 33, thereby improving the smooth running of the first angular bearing 32 and the tapered roller bearing 33, respectively.
[0041] With reference to Figure 2 The end cover 34 is provided with a through hole 341 for facilitating the replenishment of lubricating grease into the bearing seat 31, the through hole 341 is arranged between the end cover 34 and the support portion 11, the through hole 341 facilitates the replenishment of lubricating grease into the bearing seat 31 by the staff through the through hole 341, thereby ensuring the good lubrication of the first angular bearing 32 and the tapered roller bearing 33, reducing the possibility of friction or wear on the first angular bearing 32 and the tapered roller bearing 33, and improving the service life of the first angular bearing 32 and the tapered roller bearing 33, respectively.
[0042] With reference to Figure 2 The through hole 341 of the end cover 34 is provided with an O-ring seal 3411 for sealing the gap between the end cover 34 and the support portion 11, the O-ring seal 3411 can seal the through hole 341, effectively preventing impurities such as dust and water from entering the bearing seat 31, and prolonging the service life of the first angular bearing 32, the second angular bearing 35 and the tapered roller bearing 33 in the bearing seat 31.
[0043] The implementation principle of the embodiment of the application is as follows: in actual operation, the staff successively installs and fixes the first angular bearing 32, the second angular bearing 35, the spacer sleeve washer 311 and the tapered roller bearing 33 on the support part 11 of the support shaft 1 in sequence, then installs the support part 11 of the support shaft 1 into the bearing seat 31, and makes the first angular bearing 32, the second angular bearing 35, the spacer sleeve washer 311 and the tapered roller bearing 33 form interference fit with the inner ring of the bearing seat 31, then seals the bearing seat 31 by using the end cover 34, makes the side, away from the tapered roller bearing 33, of the stepped ring 112 form abutting fit with the end cover 34, and threadedly connects the end cover 34 on the bearing seat 31 by using the bolts, then threadedly connects the bearing seat 31 on the side, away from the heavy-duty rotary part, of the four-jaw chuck 21 by using the bolts, finally installs and fixes the standard taper part 12 on the support shaft 1 to the rotary shaft of the rotary lathe, then uses the four-jaw chuck 21 to stably fix the heavy-duty shaft part according to the specification of the heavy-duty shaft part, and the first angular bearing 32 and the tapered roller bearing 33 can all bear most of the axial force and radial force generated when the four-jaw chuck 21 is used, the axial and radial carrying capacity of the four-jaw chuck 21 is improved, and thus the stable installation of the heavy-duty rotary part is realized.
[0044] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so: equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.
Claims
1. A mounting chuck for a rotary lathe, characterised in that: The supporting shaft (1) fixedly connected with the rotating shaft of the rotary lathe and the clamping rotating mechanism (2) for clamping the heavy rotary part are provided with the reinforcing structure (3) for bearing the axial force and radial force of the clamping rotating mechanism (2), which is arranged on the side of the clamping rotating mechanism (2) away from the heavy rotary part.
2. A mounting chuck for a rotary turning machine according to claim 1, wherein: The clamping rotating mechanism (2) is a four-jaw chuck (21).
3. A mounting chuck for a rotary turning machine according to claim 1, wherein: The reinforcing structure (3) comprises a bearing seat (31), a first angular bearing (32), a tapered roller bearing (33) and an end cover (34) for sealing the bearing seat (31), the bearing seat (31) is arranged on the side of the four-jaw chuck (21) away from the heavy rotary part, the first angular bearing (32) and the tapered roller bearing (33) are both arranged on the end of the supporting shaft (1) away from the rotary lathe, and the first angular bearing (32) and the tapered roller bearing (33) are both arranged in the bearing seat (31), and the end cover (34) is detachably connected with the bearing seat (31).
4. A mounting chuck for a rotary turning machine according to claim 3, wherein: The reinforcing structure (3) further comprises a second angular bearing (35), which is arranged in the bearing seat (31) and sleeved on the supporting shaft (1), and the first angular bearing (32) and the second angular bearing (35) are in abutting fit.
5. A mounting chuck for a rotary turning machine according to claim 3, wherein: The supporting shaft (1) comprises a supporting part (11) and a standard taper part (12), which are fixedly connected, the supporting part (11) is arranged in the bearing seat (31), the standard taper part (12) is connected with the rotary lathe, and the first angular bearing (32) and the tapered roller bearing (33) are both arranged on the supporting part (11).
6. A mounting chuck for a rotary turning machine according to claim 4, wherein: The bearing seat (31) is provided with a spacer washer (311) arranged on the supporting part (11), and one end of the spacer washer (311) is in abutting fit with the second angular bearing (35) and the tapered roller bearing (33).
7. A mounting chuck for a rotary turning machine according to claim 5 wherein: The end cover (34) is provided with a through hole (341) for facilitating the supplement of lubricating grease to the inside of the bearing seat (31), and the end cover (34) is arranged between the end cover (34) and the supporting part (11).
8. A mounting chuck for a rotary turning machine according to claim 7, wherein: The through hole (341) of the end cover (34) is provided with an O-shaped sealing ring (3411) for sealing the gap between the end cover (34) and the supporting part (11).