CN111421343B - Supporting device for polishing thin-wall parts - Google Patents
Supporting device for polishing thin-wall parts Download PDFInfo
- Publication number
- CN111421343B CN111421343B CN202010256168.4A CN202010256168A CN111421343B CN 111421343 B CN111421343 B CN 111421343B CN 202010256168 A CN202010256168 A CN 202010256168A CN 111421343 B CN111421343 B CN 111421343B
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- Prior art keywords
- supporting
- rod
- spring
- thin
- wall
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses a supporting device for polishing thin-wall parts, which comprises a supporting block, a spring rod, a fixed shaft, a fixed ring and an elastic telescopic rod, wherein the spring rod is fixedly connected with the supporting block; the number of the supporting blocks is multiple, and the supporting blocks are circularly and uniformly arranged at intervals; the number of the spring rods is the same as that of the supporting blocks, two ends of each spring rod are respectively and fixedly connected with two adjacent supporting blocks, and the supporting blocks are connected through the spring rods to form a circular ring; the fixed shaft is coaxially arranged in a circular ring formed by the supporting block and the spring rod; at least one fixed ring is detachably sleeved on the fixed shaft; the quantity of elasticity telescopic link is the same with the quantity of supporting shoe, and one end and solid fixed ring's outer wall fixed connection, and the other end is connected with the inside wall of supporting shoe to can adjust its length. The invention improves the universality of the tool and also enlarges the machinable area of the inner hole supporting process; the fixing shaft can be sleeved with at least one circular ring structure, so that the stability of the supporting structure can be ensured under different conditions, and the processing precision is higher.
Description
Technical Field
The invention relates to the technical field of thin-wall part machining, in particular to a supporting device for polishing a thin-wall revolving body part.
Background
The thin-wall revolving body part is a revolving body part with the diameter-wall thickness ratio not less than 20, an inner hole is required to be used as a positioning clamping reference during the turning processing of an outer circle and an end face, and tools such as an internal expanding mandrel and the like are usually used for supporting the inner hole of the thin-wall revolving body part.
However, the tools such as the internal expanding mandrel used in the turning process of the outer circle and the end face of the thin-wall revolving body part have the following problems in use: the size of each internal expansion type mandrel tool is matched with the size of an inner hole of a thin-wall revolving body part, and due to the fact that the sizes of the inner holes of the parts are different in different processing stages, the size matching clamping can be achieved by customizing a new internal expansion type mandrel tool, and the tool is poor in universality; secondly, in order to obtain enough clamping force, when the thin-wall revolving body part is used, the thin-wall revolving body part is sleeved outside the internal expanding type core shaft, the core shaft extends out of two ends of the part, the processing of the inner step inner hole of the thin-wall revolving body part cannot be realized, and the shape of the tool limits the processing area of the part.
Therefore, how to improve the universality of the tool for clamping the inner hole of the thin-wall rotary part to inner holes with different diameters and the limitation of the shape of the tool to the machinable area of the part is a problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
In view of this, the present invention provides a supporting device for polishing thin-walled parts, which aims to solve the above technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a support device for thin-walled part grinding, comprising: the supporting block, the spring rod, the fixed shaft, the fixed ring and the elastic telescopic rod are arranged on the supporting block;
the number of the supporting blocks is multiple, and the supporting blocks are circularly and uniformly arranged at intervals;
the number of the spring rods is the same as that of the supporting blocks, two ends of each spring rod are respectively and fixedly connected with two adjacent supporting blocks, and the supporting blocks are connected through the spring rods to form a circular ring;
the fixed shaft is coaxially arranged inside a circular ring formed by the supporting block and the spring rod;
at least one fixing ring is detachably sleeved on the fixing shaft;
the number of the elastic telescopic rods is the same as that of the supporting blocks, one end of each elastic telescopic rod is fixedly connected with the outer wall of the corresponding fixing ring, and the other end of each elastic telescopic rod is connected with the inner side wall of the corresponding supporting block and can adjust the length of the corresponding supporting block.
According to the technical scheme, the inner hole of the thin-wall rotary part is supported by the circular ring structure with the adjustable size, which is matched with the supporting block and the spring rod, and meanwhile, the size of the circular ring structure is changed by adjusting the length of the elastic telescopic rod, so that the operation is simple, the universality of the tool is improved, and the machinable area of the inner hole supporting process is enlarged; in addition, at least one circular ring structure can be sleeved on the fixing shaft, so that the stability of the supporting structure can be ensured according to different conditions, the using effect is better, and the processing precision is higher.
Preferably, in the above supporting device for polishing the thin-walled part, the elastic telescopic rod comprises an internal threaded tube, an external threaded rod, a sliding sleeve and a supporting spring; one end of the internal threaded pipe is rotatably connected with the inner side wall of the supporting block; the external thread rod is in threaded connection with the internal thread pipe; one end of the sliding sleeve is sleeved on the outer side of the external thread rod, and the other end of the sliding sleeve is fixed on the outer wall of the fixing ring; the supporting spring is positioned in the sliding sleeve, and two ends of the supporting spring are respectively fixedly connected with the external thread rod and the fixing ring. The length adjustment can be realized through twisting of internal thread pipe to the elasticity telescopic link, simultaneously, because supporting spring's setting makes it at length adjustment's in-process, prevents that excessive adjustment from causing the damage to thin wall part, and after the regulation is accomplished, the ring structure that connecting spring and support block form to the support of cooperation elasticity bracing piece makes holistic strutting arrangement form a strong stability structure, and the supporting effect is better.
Preferably, in the supporting device for polishing the thin-wall part, the outer wall of the external threaded rod is uniformly provided with a plurality of limiting grooves which do not penetrate through the end heads of the external threaded rod along the axial direction; the sliding sleeve and the end edge that external screw thread pole is connected have with spacing groove sliding connection's stopper. The setting of spacing groove and stopper can prevent that the external screw thread pole from deviating from the sliding sleeve.
Preferably, in the above supporting device for grinding the thin-walled part, the internally threaded pipe is rotatably connected with the supporting block through a bearing. The smooth degree of rotation of internal thread pipe is improved.
Preferably, in the above supporting device for polishing a thin-walled part, an outer wall of an end of the internal threaded pipe connected with the external threaded rod is provided with a hexagonal screwing part. The internal thread pipe is convenient for the operator to manually screw.
Preferably, in the supporting device for polishing the thin-wall part, a plurality of groups of threaded connecting holes are uniformly formed in the outer circumferential surface of the fixed shaft; the fixing ring is provided with a plurality of through holes corresponding to the threaded connecting holes, and the fixing ring penetrates through the through holes through screws and is fixedly connected with the threaded connecting holes. Can realize solid fixed ring's high-speed joint and dismantlement through the screw connection to can adjust the stationary ring position according to the demand, and stability is strong.
Preferably, in the supporting device for grinding the thin-wall part, the number of the screws is 4. The stability of the fixed ring after fixing can be ensured.
Preferably, in the above supporting device for grinding thin-walled parts, the outer surface of the supporting block is of a smooth arc structure. Can prevent to cause the damage to the inner wall of thin wall gyration part.
Preferably, in the supporting device for polishing the thin-wall part, the spring rod comprises a connecting spring and a connecting rod, and both ends of the connecting spring are fixedly connected with the connecting rod; the two connecting rods are respectively and fixedly connected with the two adjacent supporting blocks. Simple structure, the connection effect is stable.
Preferably, in the supporting device for grinding the thin-wall part, the number of the supporting blocks is 6. The stability of the connection structure can be ensured.
Compared with the prior art, the supporting device for grinding the thin-wall part has the following beneficial effects that:
1. the inner hole supporting device adopts the circular ring structure with adjustable size, which is matched with the supporting block and the spring rod, to support the inner hole of the thin-wall rotary part, and simultaneously, the size of the circular ring structure is changed by adjusting the length of the elastic telescopic rod, so that the operation is simple, the universality of the tool is improved, and the machinable area of the inner hole supporting process is also expanded.
2. The fixing shaft can be sleeved with at least one circular ring structure, different numbers can be set according to different conditions, different positions can be adjusted, the stability of the supporting structure is guaranteed, the using effect is better, and the processing precision is higher.
3. The length adjustment can be realized through twisting of internal thread pipe to the elasticity telescopic link, simultaneously, because supporting spring's setting makes it at length adjustment's in-process, prevents that excessive adjustment from causing the damage to thin wall part, and after the regulation is accomplished, the ring structure that connecting spring and support block form to the support of cooperation elasticity bracing piece makes holistic strutting arrangement form a strong stability structure, and the supporting effect is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure provided by the present invention;
FIG. 2 is an enlarged view of a portion of the structure provided by the present invention;
fig. 3 is an exploded schematic view of the elastic support rod according to the present invention.
Wherein:
1-a support block;
2-a spring rod;
21-connecting a spring;
22-a connecting rod;
3, fixing a shaft;
31-threaded connection holes;
4-fixing the ring;
41-through holes;
5-an elastic telescopic rod;
51-an internally threaded tube;
511-hexagonal screwing part;
52-externally threaded rod;
521-a limiting groove;
53-a sliding sleeve;
531-a limiting block;
54-a support spring;
55-a bearing;
6-screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawing 1, the embodiment of the invention discloses a supporting device for grinding a thin-wall part, which comprises: the supporting device comprises a supporting block 1, a spring rod 2, a fixed shaft 3, a fixed ring 4 and an elastic telescopic rod 5;
the number of the supporting blocks 1 is multiple, and the supporting blocks are circularly and uniformly arranged at intervals;
the number of the spring rods 2 is the same as that of the supporting blocks 1, two ends of each spring rod 2 are fixedly connected with two adjacent supporting blocks 1 respectively, and the supporting blocks 1 are connected through the spring rods 2 to form a circular ring;
the fixed shaft 3 is coaxially arranged in a circular ring formed by the supporting block 1 and the spring rod 2;
at least one fixed ring 4 is detachably sleeved on the fixed shaft 3;
the quantity of elastic telescopic rods 5 is the same as that of the supporting blocks 1, one end of each elastic telescopic rod is fixedly connected with the outer wall of the corresponding fixing ring 4, and the other end of each elastic telescopic rod is connected with the inner side wall of the corresponding supporting block 1 and can be adjusted in length.
Referring to fig. 2 and 3, the elastic telescopic rod 5 includes an internally threaded tube 51, an externally threaded rod 52, a sliding sleeve 53 and a support spring 54; one end of the internal threaded pipe 51 is rotationally connected with the inner side wall of the supporting block 1; the external thread rod 52 is in threaded connection with the internal thread tube 51; one end of the sliding sleeve 53 is sleeved outside the external thread rod 52, and the other end is fixed on the outer wall of the fixed ring 4; the supporting spring 54 is located in the sliding sleeve 53, and both ends are fixedly connected with the external thread rod 52 and the fixing ring 4, respectively.
In order to further optimize the technical scheme, a plurality of limiting grooves 521 which do not penetrate through the end heads of the outer threaded rods 52 are uniformly formed in the outer walls of the outer threaded rods along the axial direction; the edge of the end of the sliding sleeve 53 connected with the external screw rod 52 is provided with a limiting block 531 connected with the limiting groove 521 in a sliding way.
In order to further optimize the above technical solution, the internal threaded tube 51 is rotatably connected with the support block 1 through a bearing 55.
In order to further optimize the above technical solution, the external wall of the end of the female screw tube 51 connected to the male screw rod 52 has a hexagonal driving portion 511.
In order to further optimize the technical scheme, a plurality of groups of threaded connecting holes 31 are uniformly formed in the outer circumferential surface of the fixed shaft 3; the fixing ring 4 is provided with a plurality of through holes 41 corresponding to the threaded connection holes 31, and the fixing ring 4 is fixedly connected with the threaded connection holes 31 by passing through the through holes 41 through screws 6.
In order to further optimize the above solution, the number of screws 6 is 4.
In order to further optimize the technical scheme, the outer surface of the supporting block 1 is of a smooth arc-shaped structure.
In order to further optimize the above technical solution, the spring rod 2 includes a connecting spring 21 and a connecting rod 22, and both ends of the connecting spring 21 are fixedly connected with the connecting rod 22; the two connecting rods 22 are respectively fixedly connected with the two adjacent supporting blocks 1.
In order to further optimize the above technical solution, the number of the supporting blocks 1 is 6.
The using method of the invention comprises the following steps:
the fixing ring 4 is sleeved on the fixing shaft 3, the number and the position of the fixing ring 4 can be correspondingly adjusted according to the number and the position of demands, the screw 6 penetrates through the through hole 41 to be tightly connected with the threaded connecting hole 31, the fixing ring 4 is fixed on the fixing shaft 3, and then the fixing shaft 3 is fixed and driven to be processed.
The length of the elastic telescopic rod 5 is shortened by sequentially adjusting the internal threaded pipe 51 according to the size of the inner hole of the thin-wall part, the thin-wall part is sleeved on the supporting block 1 after the size is proper, and then the internal threaded pipe 51 is sequentially adjusted to lengthen the length of the elastic telescopic rod 5 until the supporting block tightly pushes against the inner hole wall of the thin-wall part, so that the adjustment and the support are completed.
In the adjusting process of the supporting block 1, the spring rod 2 limits the position of the supporting block 1, so that the supporting block 1 always keeps an integrated stable circular ring structure.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A support arrangement for be used for thin wall part to polish, characterized by, includes: the supporting block (1), the spring rod (2), the fixed shaft (3), the fixed ring (4) and the elastic telescopic rod (5);
the number of the supporting blocks (1) is multiple, and the supporting blocks are circularly and uniformly arranged at intervals;
the number of the spring rods (2) is the same as that of the supporting blocks (1), two ends of each spring rod (2) are fixedly connected with two adjacent supporting blocks (1) respectively, and the supporting blocks (1) are connected through the spring rods (2) to form a circular ring;
the fixed shaft (3) is coaxially arranged inside a circular ring formed by the supporting block (1) and the spring rod (2);
at least one fixing ring (4) is detachably sleeved on the fixing shaft (3);
the number of the elastic telescopic rods (5) is the same as that of the supporting blocks (1), one end of each elastic telescopic rod is fixedly connected with the outer wall of the corresponding fixing ring (4), and the other end of each elastic telescopic rod is connected with the inner side wall of the corresponding supporting block (1) and the length of each elastic telescopic rod can be adjusted; the elastic telescopic rod (5) comprises an internal threaded pipe (51), an external threaded rod (52), a sliding sleeve (53) and a supporting spring (54); one end of the internal threaded pipe (51) is rotatably connected with the inner side wall of the supporting block (1); the external thread rod (52) is in threaded connection with the internal thread pipe (51); one end of the sliding sleeve (53) is sleeved on the outer side of the external thread rod (52), and the other end of the sliding sleeve is fixed on the outer wall of the fixing ring (4); the supporting spring (54) is positioned in the sliding sleeve (53), and two ends of the supporting spring are respectively fixedly connected with the external thread rod (52) and the fixing ring (4).
2. The supporting device for grinding the thin-walled part as claimed in claim 1, wherein the outer wall of the external thread rod (52) is uniformly provided with a plurality of limiting grooves (521) which do not penetrate through the end head of the external thread rod along the axial direction; the edge of the end head of the sliding sleeve (53) connected with the external thread rod (52) is provided with a limiting block (531) which is connected with the limiting groove (521) in a sliding way.
3. A support device for sanding of thin-walled parts according to claim 1 or 2, characterized in that the internally threaded tube (51) is rotatably connected with the support block (1) by means of a bearing (55).
4. The supporting device for grinding of thin-walled parts as claimed in claim 3, wherein the external wall of the end of the internally threaded tube (51) connected with the externally threaded rod (52) is provided with a hexagonal driving part (511).
5. The supporting device for grinding the thin-wall parts is characterized in that a plurality of groups of threaded connecting holes (31) are uniformly formed in the outer circumferential surface of the fixed shaft (3); the fixing ring (4) is provided with a plurality of through holes (41) corresponding to the threaded connecting holes (31), and the fixing ring (4) penetrates through the through holes (41) and the threaded connecting holes (31) through screws (6) in a fastening connection mode.
6. A supporting device for grinding of thin-walled parts according to claim 5, characterized in that the number of said screws (6) is 4.
7. The supporting device for grinding of thin-walled parts as claimed in claim 1, characterized in that the outer surface of the supporting block (1) is of smooth arc structure.
8. The supporting device for grinding of thin-walled parts is characterized in that the spring rod (2) comprises a connecting spring (21) and a connecting rod (22), and the connecting rod (22) is fixedly connected to both ends of the connecting spring (21); the two connecting rods (22) are respectively and fixedly connected with the two adjacent supporting blocks (1).
9. The supporting device for grinding of thin-walled parts according to claim 1, characterized in that the number of the supporting blocks (1) is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010256168.4A CN111421343B (en) | 2020-04-02 | 2020-04-02 | Supporting device for polishing thin-wall parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010256168.4A CN111421343B (en) | 2020-04-02 | 2020-04-02 | Supporting device for polishing thin-wall parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111421343A CN111421343A (en) | 2020-07-17 |
| CN111421343B true CN111421343B (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010256168.4A Active CN111421343B (en) | 2020-04-02 | 2020-04-02 | Supporting device for polishing thin-wall parts |
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| CN (1) | CN111421343B (en) |
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| CN111958369B (en) * | 2020-07-27 | 2021-10-22 | 横店集团东磁股份有限公司 | Magnetic ring burr polishing device and magnetic ring multi-station polishing and machining integrated production method |
| CN112008559A (en) * | 2020-09-09 | 2020-12-01 | 邱先祥 | High-efficient many functions equipment of polishing accurately |
| CN112719969B (en) * | 2020-11-25 | 2022-04-05 | 河南航天液压气动技术有限公司 | Large-scale thin wall spare damping clamping frock |
| CN112496815A (en) * | 2020-12-28 | 2021-03-16 | 河南恒远恒山工业有限公司 | Aerogenerator base anchor disc drilling location clamping device |
| CN112846879A (en) * | 2021-01-04 | 2021-05-28 | 张晓民 | Machining and positioning device for anti-deformation thin-wall part |
| CN113275472B (en) * | 2021-05-21 | 2022-08-19 | 中国人民解放军海军航空大学 | Ring support device with adjustable diameter size |
| CN113245997B (en) * | 2021-07-14 | 2021-09-21 | 新沂特瑞斯机械设备有限公司 | Polishing and derusting device before galvanizing of snakelike metal threading pipe |
| CN114232609B (en) * | 2021-12-09 | 2023-07-18 | 中国一冶集团有限公司 | Anti-floating device for cast-in-place pile reinforcement cage and construction method thereof |
| CN114536218A (en) * | 2022-04-25 | 2022-05-27 | 江苏惠庆电器科技有限公司 | Supporting device for polishing thin-wall parts |
| CN116276599B (en) * | 2023-05-19 | 2023-09-08 | 合肥倍豪海洋装备技术有限公司 | Large-diameter thin-wall sleeve polishing device |
| CN117798422B (en) * | 2024-03-01 | 2024-05-28 | 山东华恒智能装备有限公司 | Cutting device for machining sealing valve cover |
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| GB201402290D0 (en) * | 2014-02-11 | 2014-03-26 | Rolls Royce Plc | Fixture |
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| Publication number | Publication date |
|---|---|
| CN111421343A (en) | 2020-07-17 |
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