CN115921955A - Clamp and method for machining long and thin through hole - Google Patents
Clamp and method for machining long and thin through hole Download PDFInfo
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- CN115921955A CN115921955A CN202211507292.9A CN202211507292A CN115921955A CN 115921955 A CN115921955 A CN 115921955A CN 202211507292 A CN202211507292 A CN 202211507292A CN 115921955 A CN115921955 A CN 115921955A
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- hole
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- elongated
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000003754 machining Methods 0.000 title claims description 20
- 238000003825 pressing Methods 0.000 claims description 17
- 238000005553 drilling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model provides an anchor clamps of processing elongated through-hole, including the location main part, location main part upper end is equipped with the base, the base has set gradually the supporting shoe along same direction, first screw hole and locating piece, first screw hole sets up along vertical direction, the locating piece both sides are equipped with the baffle, supporting shoe and baffle upper end are provided with the clamp plate jointly, be provided with the through-hole on the clamp plate, be provided with first bolt on the clamp plate, first bolt lower extreme passes the through-hole and is connected fixedly with first screw hole, two baffles and locating piece constitute the logical groove column structure of open-ended that makes progress jointly, the one end of clamp plate is located logical groove column structure top, the other end of clamp plate is located the supporting shoe top, two baffles and locating piece are provided with the second screw hole along the horizontal direction, and fix through second bolted connection. The invention also provides a method for processing the slender through hole, after the part is fixed by using the clamp, the part is provided with two opposite processing end surfaces, and holes are sequentially drilled from the two processing end surfaces, so that the form and position tolerance of the slender long hole is ensured.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a clamp and a method for machining a long and thin through hole.
Background
With the leap development of the manufacturing technology in China, the required fineness of each machining part reaches the assembly requirement. Originally, adopt vice single face processing, because the hole that the part will be processed is slender, this just leads to because the drill bit is too thin, and the rigidity is not good, not only can the deviation be serious during drill bit processing part, can lead to the risk that the drill bit damaged when serious, directly influences the processingquality of part to can't guarantee the geometric tolerances requirement of part.
Disclosure of Invention
The invention aims to: the utility model provides a anchor clamps of long and thin through-hole of processing for solve above problem, make its effective accurate quick processing part itself, fix and fix a position the back to the part, make the part have two relative processing terminal surfaces, and follow these two processing terminal surfaces drilling in proper order, thereby guarantee the geometric tolerances of tiny slot hole.
In order to realize the purpose, the following technical scheme is adopted: the utility model provides an anchor clamps of processing elongated through-hole, includes the location main part, location main part upper end is provided with the base, the base has set gradually supporting shoe, first screw hole and locating piece along same direction, first screw hole sets up along vertical direction, the locating piece both sides are provided with the baffle, supporting shoe and baffle upper end are provided with the clamp plate jointly, be provided with the through-hole on the clamp plate, be provided with first bolt on the clamp plate, first bolt lower extreme passes the through-hole and is connected fixedly, two with first screw hole the logical groove column structure of opening upwards is constituteed jointly to baffle and locating piece, the one end of clamp plate is located leads to groove column structure top, the other end of clamp plate is located the supporting shoe top, and two baffles and locating piece are provided with the second screw hole along the horizontal direction to it is fixed to connect through the second bolt.
Preferably, the positioning main body comprises a connecting shaft and a fixing disc, one end of the connecting shaft is fixedly connected to the end face of the fixing disc, and the base is fixedly arranged on the other end face of the fixing disc.
Preferably, the lower surface of the pressing plate is provided with a limiting post, the supporting block is provided with a limiting groove, and the limiting post is located in the limiting groove.
Preferably, the limiting groove is of a semi-waist-shaped structure and is provided with an opening towards one side far away from the positioning block, and the cross section of the through hole is of a waist-shaped structure.
Preferably, the lower surface of one end of the pressure plate is provided with two convex parts, and the two convex parts are positioned above the through groove-shaped structure.
Preferably, the lower surface of the bulge is provided with anti-skid grains.
Preferably, the first bolt and the second bolt are both provided with a gasket.
A method for machining a long and thin through hole is characterized in that the clamp for machining the long and thin through hole is used, a machined part is placed above a positioning block and fixed through a first bolt and a second bolt, the machined part is provided with two opposite machining end faces when located in a through groove-shaped structure, and the machined part is sequentially positioned and drilled from the two opposite machining end faces.
The invention has the following beneficial effects:
according to the method for processing the slender through hole, the part is provided with two opposite processing end surfaces after being fixed and positioned, and holes are sequentially drilled from the two processing end surfaces in a double-surface processing mode, so that the part is effectively, accurately and quickly processed, and the form and position tolerance of the tiny long hole is ensured; meanwhile, the product quality is ensured, and the conditions of fracture, bending and the like of the drill bit in one-time processing are avoided. The clamp has detachability and universality, and is suitable for positioning and processing parts of the same type; and has the advantages of simple structure, low manufacturing cost and convenient and quick use.
Drawings
FIG. 1 is a schematic view of a front axial view of a jig for machining a slender through hole according to the present invention.
Fig. 2 is a schematic diagram of a rear axle measuring structure of a clamp for processing a slender through hole.
Fig. 3 is a schematic front structural view of the machined part a.
Fig. 4 is a schematic side view of the machined part a.
In the drawing, 1-a positioning main body, 2-a base, 3-a supporting block, 4-a first threaded hole, 5-a positioning block, 6-a baffle, 7-a pressing plate, 8-a through hole, 9-a first bolt, 10-a second threaded hole, 11-a second bolt, 12-a connecting shaft, 13-a fixed disc, 14-a limiting column, 15-a limiting groove, 16-a gasket and A-a processing part.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings, 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, a fixture for processing a long and thin through hole includes a positioning main body 1, a base 2 is disposed at an upper end of the positioning main body 1, a supporting block 3, a first threaded hole 4 and a positioning block 5 are sequentially disposed on the base 2 along the same direction, the first threaded hole 4 is disposed along a vertical direction, baffles 6 are disposed on two sides of the positioning block 5, a pressing plate 7 is disposed at upper ends of the supporting block 3 and the baffles 6, a through hole 8 is disposed on the pressing plate 7, a first bolt 9 is disposed on the pressing plate 7, a lower end of the first bolt 9 penetrates through the through hole 8 and is fixedly connected with the first threaded hole 4, the two baffles 6 and the positioning block 5 jointly form a through groove-shaped structure with an upward opening, one end of the pressing plate 7 is located above the through groove-shaped structure, the other end of the pressing plate 7 is located above the supporting block 3, and the two baffles 6 and the positioning block 5 are horizontally disposed with a second threaded hole 10 and are fixedly connected with each other through a second bolt 11.
The positioning main body 1 comprises a connecting shaft 12 and a fixed disc 13, the connecting shaft 12 is used for connecting a drilling and tapping center spindle or other machine tool facilities, one end of the connecting shaft 12 is fixedly connected onto the end face of the fixed disc 13, and the base 2 is fixedly arranged on the other end face of the fixed disc 13.
The base 2, the supporting block 3, the connecting shaft 12 and the fixed disk 13 may be designed integrally, i.e., designed integrally, or designed separately.
In order to avoid the rotation of the pressing plate 7, a limiting column 14 is arranged on the lower surface of the pressing plate 7, a limiting groove 15 is formed in the supporting block 3, and the limiting column 14 is located in the limiting groove 15.
The limiting groove 15 is of a semi-waist-shaped structure and is provided with an opening towards one side far away from the positioning block 5, and the cross section of the through hole 8 is of a waist-shaped structure, so that the limiting structure is limited and the pressing plate is prevented from rotating, and the limiting structure is suitable for processing parts of different specifications.
The one end lower surface of clamp plate 7 is provided with two bellyings, two the bellyings is located logical trough-shaped structure top, the bellyings lower surface is provided with anti-skidding line to reach the locking purpose of antiskid, the convenience is fixed to the better clamp of processing part.
The first bolt 9 and the second bolt 11 are provided with a gasket 16. So as to be convenient for better fixed, avoid processing the part not hard up.
The invention also provides a method for processing the slender through hole, which is characterized in that the clamp is used for placing the processed part above the positioning block 5, and the processed part is fixed through the first bolt 9 and the second bolt 11, so that the processed part has two opposite processed end surfaces when being positioned in the through groove-shaped structure, and the processed part is sequentially positioned and drilled from the two opposite processed end surfaces, thereby ensuring that the coaxiality of the small long holes on the two end surfaces is within 0.05mm, simultaneously ensuring that the verticality of the small long holes on the two end surfaces relative to the end surfaces is within 0.06mm, and ensuring that the form and position tolerance meets the requirement.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (8)
1. A fixture for processing an elongated through hole comprises a positioning main body (1), and is characterized in that: the positioning device is characterized in that a base (2) is arranged at the upper end of the positioning main body (1), a supporting block (3), a first threaded hole (4) and a positioning block (5) are sequentially arranged on the base (2) along the same direction, the first threaded hole (4) is arranged along the vertical direction, baffle plates (6) are arranged on two sides of the positioning block (5), a pressing plate (7) is jointly arranged at the upper ends of the supporting block (3) and the baffle plates (6), through holes (8) are formed in the pressing plate (7), first bolts (9) are arranged on the pressing plate (7), the lower ends of the first bolts (9) penetrate through holes (8) and are fixedly connected with the first threaded hole (4), the two baffle plates (6) and the positioning block (5) jointly form a through groove-shaped structure with an upward opening, one end of the pressing plate (7) is located above the through groove-shaped structure, the other end of the pressing plate (7) is located above the supporting block (3), and second threaded holes (10) are arranged in the horizontal direction of the two baffle plates (6) and the positioning block (5) and are fixedly connected through second bolts (11).
2. The jig for machining an elongated through hole according to claim 1, wherein: the positioning main body (1) comprises a connecting shaft (12) and a fixed disc (13), one end of the connecting shaft (12) is fixedly connected to the end face of the fixed disc (13), and the base (2) is fixedly arranged on the other end face of the fixed disc (13).
3. The jig for machining an elongated through hole according to claim 1, wherein: the lower surface of the pressing plate (7) is provided with a limiting column (14), a limiting groove (15) is formed in the supporting block (3), and the limiting column (14) is located in the limiting groove (15).
4. A jig for processing an elongated through hole according to claim 3, wherein: the limiting groove (15) is of a semi-waist-shaped structure, an opening is formed in one side far away from the positioning block (5), and the cross section of the through hole (8) is of a waist-shaped structure.
5. The jig for machining an elongated through hole according to claim 1, wherein: the lower surface of one end of the pressing plate (7) is provided with two protruding parts, and the two protruding parts are located above the through groove-shaped structure.
6. The jig for machining an elongated through hole according to claim 5, wherein: the lower surface of the bulge is provided with anti-skid grains.
7. The jig for machining an elongated through hole according to claim 1, wherein: and gaskets (16) are arranged on the first bolt (9) and the second bolt (11).
8. A method of machining an elongate through hole comprising the jig of any one of claims 1 to 7, wherein: the machining part is placed above the positioning block (5) and fixed through the first bolt (9) and the second bolt (11), so that the machining part is provided with two opposite machining end faces when located in the through groove-shaped structure, and the machining part is positioned and drilled from the two opposite machining end faces in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211507292.9A CN115921955A (en) | 2022-11-29 | 2022-11-29 | Clamp and method for machining long and thin through hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211507292.9A CN115921955A (en) | 2022-11-29 | 2022-11-29 | Clamp and method for machining long and thin through hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115921955A true CN115921955A (en) | 2023-04-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211507292.9A Pending CN115921955A (en) | 2022-11-29 | 2022-11-29 | Clamp and method for machining long and thin through hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115921955A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202411878U (en) * | 2011-12-23 | 2012-09-05 | 三一重工股份有限公司 | Workpiece drilling clamp |
| CN104259519A (en) * | 2014-09-25 | 2015-01-07 | 天津市奥瑞特阀门有限公司 | Valve bod drilling device |
| CN208304453U (en) * | 2018-05-04 | 2019-01-01 | 苏州东钜精密机械有限公司 | A kind of fixture for numerically controlled lathe bias hole machined |
| CN109940194A (en) * | 2019-04-16 | 2019-06-28 | 维格斯(上海)流体技术有限公司 | A kind of adjustable stainless steel pipe clamping and fixing device |
| CN213052885U (en) * | 2020-08-21 | 2021-04-27 | 江苏大学 | Self-centering rapid drilling clamp for rocker shaft of speed regulator |
-
2022
- 2022-11-29 CN CN202211507292.9A patent/CN115921955A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202411878U (en) * | 2011-12-23 | 2012-09-05 | 三一重工股份有限公司 | Workpiece drilling clamp |
| CN104259519A (en) * | 2014-09-25 | 2015-01-07 | 天津市奥瑞特阀门有限公司 | Valve bod drilling device |
| CN208304453U (en) * | 2018-05-04 | 2019-01-01 | 苏州东钜精密机械有限公司 | A kind of fixture for numerically controlled lathe bias hole machined |
| CN109940194A (en) * | 2019-04-16 | 2019-06-28 | 维格斯(上海)流体技术有限公司 | A kind of adjustable stainless steel pipe clamping and fixing device |
| CN213052885U (en) * | 2020-08-21 | 2021-04-27 | 江苏大学 | Self-centering rapid drilling clamp for rocker shaft of speed regulator |
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