CN213470366U - Positioning fixture for machining axial holes of thin-wall sleeve parts - Google Patents
Positioning fixture for machining axial holes of thin-wall sleeve parts Download PDFInfo
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- CN213470366U CN213470366U CN202022401849.3U CN202022401849U CN213470366U CN 213470366 U CN213470366 U CN 213470366U CN 202022401849 U CN202022401849 U CN 202022401849U CN 213470366 U CN213470366 U CN 213470366U
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Abstract
The utility model provides a positioning fixture for thin wall cover class part axial hole processing, the dish face symmetry is fixed with two location bedplate on the chassis, location bedplate upper end middle part system has the notch setting up and with the arc wall of thin wall cover class part outer circumferential wall adaptation, location bedplate top is equipped with the arc seat that the arc mouth set up down, the removable thin wall cover class part that is fixed in above the bedplate of location and will be located between location bedplate and the arc seat of arc seat presss from both sides the clamp and fixes of arc seat lower extreme, removable the locating piece that is fixed with the axial hole adaptation on the outer circumferential wall of thin wall cover class part on the chassis between two location bedplate. The utility model discloses effectively solved thin wall cover type part clamping and taken time and time, yielding drawback, improved the machining efficiency in axial hole to by the locating piece of locating the chassis middle part and the axial hole adaptation that thin wall cover type part one side was processed, thereby confirm the machined position in thin wall cover type part opposite side axial hole, guarantee the position precision in two axial holes, improve processingquality and efficiency.
Description
Technical Field
The utility model belongs to the technical field of positioning fixture, concretely relates to positioning fixture for thin wall cover class part axial hole processing.
Background
At present, a cylinder jacking device for fixing a cylinder sleeve in a valve assembly in a slurry pump is of a thin-wall sleeving structure, as shown in fig. 1, a slurry hole (axial hole) perpendicular to a central axis is formed in the middle of the outer circumferential wall of the cylinder jacking device (a thin-wall sleeving part), due to the particularity of a processing surface, when the slurry hole (axial hole) in the outer circumferential wall of the cylinder jacking device is processed, a four-jaw chuck is required to be adopted to clamp the cylinder jacking device, then the processing surface is aligned, then a dial indicator is used for correcting, the preparation work before processing is time-consuming and labor-consuming, the processing efficiency is low, due to the fact that the cylinder jacking device is of the thin-wall sleeving structure, the deformation of the cylinder jacking device is easily caused by improper control of clamping force, the processing quality of the cylinder jacking device is affected, after the slurry hole (axial hole) in one side wall of the cylinder jacking device is processed, the slurry hole (axial hole) in the other side of the cylinder jacking device needs to be clamped and aligned again, the secondary clamping and aligning difficulty is high, so that the processing efficiency of a mud hole (axial hole) of the cylinder jacking device is low, the processing consistency is poor, and therefore improvement is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem: the utility model provides a positioning fixture for thin wall cover class part axial hole processing, adopt the chassis, the symmetry is fixed in the location bedplate of chassis up end and the removable arc seat that links firmly in the location bedplate top will be located the thin wall cover class part clamp between location bedplate and the arc seat and press from both sides tightly fixedly, the thin wall cover class part clamping that has effectively solved thin wall cover class part is taken a lot of work and is taken time, yielding drawback, the machining efficiency of axial hole is improved, and by the locating piece of locating the chassis middle part and the good axial hole adaptation of thin wall cover class part one side processing, thereby confirm the machined position of thin wall cover class part opposite side axial hole, guarantee the position accuracy in two axial holes, the machining quality is improved and efficiency, higher use value has.
The utility model adopts the technical proposal that: a positioning fixture for thin wall cover class part axial bore processing, which comprises a base, the dish face symmetry is fixed with two location bedplate on the chassis, location bedplate upper end middle part system have the notch set up and with the arc wall of the outer periphery adaptation of thin wall cover class part, location bedplate top is equipped with the arc seat that the arc mouth set up down, the removable thin wall cover class part that is fixed in location bedplate top and will be located between location bedplate and the arc seat of being fixed in of arc seat lower extreme presss from both sides tightly fixedly, two removable being fixed with on the chassis between the location bedplate with the locating piece of the axial bore adaptation on the outer periphery of thin wall cover class part.
And a positioning plate which is positioned outside the positioning seat plate and is used for axially positioning the thin-wall sleeve type part is adjustably fixed on the chassis.
Furthermore, the positioning plate is of an L-shaped structure, a vertical plate of the positioning plate is higher than an arc-shaped groove on the positioning seat plate, a connecting long groove is formed in the horizontal plate surface of the lower end of the positioning plate, and a locking bolt penetrating through the connecting long groove is in threaded connection with the chassis to fix the position of the positioning plate on the chassis in an adjustable mode.
Furthermore, the arc seat is of an omega-shaped structure consisting of an arc plate with the upper end matched with the outer circumferential wall of the thin-wall sleeve part and an L-shaped plate of which the lower end is of an integrated structure, a stud located at the outer end part of the positioning seat plate is fixed on the upper disc face of the chassis, and the stud penetrates through a through hole in a horizontal plate face at the lower end of the arc seat and is connected with a locking nut in an adaptive mode to be detachably fixed above the positioning seat plate.
Furthermore, two ends of the positioning block are arc-shaped structures matched with axial holes in the outer circumferential wall of the thin-wall sleeve part, a counter bore is formed in the middle of the positioning block, and an inner hexagonal bolt penetrates through the counter bore to be matched and screwed with a threaded hole formed in the center of the chassis.
The utility model has the advantages compared with the prior art:
1. according to the technical scheme, the thin-wall sleeve part between the positioning seat plate and the arc-shaped seat is clamped and fixed by the chassis, the positioning seat plates symmetrically fixed on the upper end surface of the chassis and the arc-shaped seat detachably fixedly connected above the positioning seat plates, so that the defects that the clamping of the thin-wall sleeve part is labor-consuming and time-consuming and is easy to deform are effectively overcome, and the machining efficiency of the axial hole is improved;
2. according to the technical scheme, the positioning block arranged in the middle of the chassis is matched with the axial hole machined in one side of the thin-wall sleeve part, so that the machining position of the axial hole in the other side of the thin-wall sleeve part is determined, the position accuracy of the two axial holes is ensured, and the machining quality and efficiency are improved;
3. according to the technical scheme, the positioning plate positioned on the outer side of the positioning seat plate is fixed on the chassis in an adjustable position, and the positioning plate is used for positioning the axial direction of the thin-wall sleeve part, so that the influence on the position precision of an axial hole due to the axial movement of the thin-wall sleeve part in the machining process is avoided, and a reliable positioning condition is provided for the machining of the axial hole;
4. the technical scheme has the advantages of simple structure, novel design and high clamping efficiency, is suitable for processing the axial hole of the thin-wall sleeve part and has higher use value.
Drawings
FIG. 1 is a schematic structural view of a cylinder jacking device (thin-wall sleeve type part);
FIG. 2 is an exploded view of the present invention;
fig. 3 is a schematic view of the installation structure of the present invention.
Detailed Description
An embodiment of the present invention will be described in conjunction with fig. 1-3 to clearly and completely describe the technical solution, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, not the whole embodiment.
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, and are only for convenience of description and simplicity of description, but 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 therefore, should not be construed as limiting the present invention.
The positioning fixture for processing the axial hole of the thin-wall sleeve part comprises a base plate 1 and a three-jaw chuck clamping base plate 1, wherein two positioning seat plates 2 are symmetrically fixed on the upper plate surface of the base plate 1, an arc-shaped groove 3 with an upward notch and matched with the outer circumferential wall of the thin-wall sleeve part 14 is formed in the middle of the upper end of each positioning seat plate 2, an arc-shaped seat 4 with a downward arc-shaped notch is arranged above each positioning seat plate 2, the lower end of each arc-shaped seat 4 is detachably fixed above each positioning seat plate 2 and clamps and fixes the thin-wall sleeve part 14 between each positioning seat plate 2 and the arc-shaped seat 4, and a positioning block 5 matched with the axial hole 15 in the outer circumferential wall of the thin-wall sleeve part 14 is detachably fixed on the base plate 1 between the two positioning seat plates; in the structure, the chassis 1, the positioning seat plate 2 symmetrically fixed on the upper end surface of the chassis 1 and the arc-shaped seat 4 detachably fixed above the positioning seat plate 2 are adopted to clamp and fix the thin-wall sleeve part 14 positioned between the positioning seat plate 2 and the arc-shaped seat 4, so that the defects that the clamping of the thin-wall sleeve part 14 is time-consuming and easy to deform are effectively overcome, and the processing efficiency of the axial hole 15 is improved;
a positioning plate 6 which is positioned at the outer side of the positioning seat plate 2 and is used for axially positioning the thin-wall sleeve type part 14 is fixed on the chassis 1 in an adjustable position; in the structure, the positioning plate 6 positioned on the outer side of the positioning seat plate 2 is fixed on the chassis 1 in a position-adjustable manner, and the positioning plate 6 is used for positioning the axial direction of the thin-wall sleeve part 14, so that the influence on the position precision of the axial hole 15 caused by the axial movement of the thin-wall sleeve part 14 in the processing process is avoided, reliable positioning conditions are provided for the processing of the axial hole 15, the alignment of the axial hole 15 on the other side is realized, and the axial holes 15 on the two sides are positioned on the same central axis;
the positioning plate 6 is of an L-shaped structure, a vertical plate of the positioning plate 6 is higher than the arc-shaped groove 3 on the positioning seat plate 2, a long connecting groove 7 is formed in the horizontal plate surface at the lower end of the positioning plate 6, and the positioning plate 6 is fixed on the chassis 1 in an adjustable manner after a locking bolt 8 penetrating through the long connecting groove 7 is in threaded connection with the chassis 1; when the position of the positioning plate 6 needs to be known, the locking bolt 8 is loosened, the positioning plate 6 is moved inwards or outwards to a proper position, and the locking bolt 8 is screwed tightly, so that the axial holes 15 of the thin-wall sleeve parts 14 with different lengths and sizes can be machined by adjusting the fixed position of the positioning plate 6, and the application range is wide;
the arc seat 4 is of an omega-shaped structure consisting of an arc plate with the upper end matched with the outer circumferential wall of the thin-wall sleeve part 14 and an L-shaped plate with the lower end of the arc plate in an integrated structure, a stud 9 positioned at the outer end part of the positioning seat plate 2 is fixed on the disc surface of the chassis 1, and the stud 9 is detachably fixed above the positioning seat plate 2 after penetrating through a through hole in the horizontal plate surface at the lower end of the arc seat 4 and being matched and connected with a locking nut 10.
The two end parts of the positioning block 5 are arc-shaped structures matched with axial holes 15 on the outer circumferential wall of a thin-wall sleeve part 14, a counter bore 11 is formed in the middle of the positioning block 5, and an inner hexagonal bolt 12 penetrates through the counter bore 11 to be matched and screwed with a threaded hole 13 formed in the center of the chassis 1; in the structure, when the axial hole 15 on the thin-wall sleeve part 14 is not processed, the positioning block 5 needs to be removed, the positioning block 5 can be removed by rotating the inner hexagonal bolt 12, after the axial hole 15 on one side of the thin-wall sleeve part 14 is processed, the inner hexagonal bolt 12 is rotated to be screwed with the threaded hole 13, the positioning block 5 is specified on the chassis 1, the positioning block 5 is matched with the axial hole 15 processed on one side of the thin-wall sleeve part 14, and after the thin-wall sleeve part 14 is clamped and fixed by the top plate seat plate 2 and the arc-shaped seat 4, the processing position of the axial hole 15 on the other side of the thin-wall sleeve part 14 can be determined, so that the position accuracy of the two axial holes 15 is ensured, and the processing quality and efficiency are improved;
the technical scheme has the advantages of simple structure, novel design and high clamping efficiency, is suitable for processing the axial hole 15 (slurry hole) on the thin-wall sleeve part 14 (especially a cylinder jacking device), and has higher use value.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. A positioning fixture for thin wall cover class part axial hole processing, its characterized in that: including chassis (1), the facial symmetry is fixed with two location bedplate (2) on chassis (1), location bedplate (2) upper end middle part system have notch set up and with arc wall (3) of outer periphery adaptation of thin wall cover type part (14), location bedplate (2) top is equipped with arc seat (4) that the arc mouth set up down, arc seat (4) lower extreme is removable to be fixed in location bedplate (2) top and will be located thin wall cover type part (14) between location bedplate (2) and arc seat (4) and press from both sides the fastening and fix, two removable locating piece (5) that are fixed with axial hole (15) adaptation on the outer periphery of thin wall cover type part (14) on chassis (1) between location bedplate (2).
2. The positioning fixture for machining the axial hole of the thin-wall sleeve part according to claim 1, characterized in that: the positioning plate (6) which is positioned at the outer side of the positioning seat plate (2) and is used for axially positioning the thin-wall sleeve type part (14) is fixed on the chassis (1) in an adjustable manner.
3. The positioning fixture for machining the axial hole of the thin-wall sleeve part as claimed in claim 2, wherein: the positioning plate (6) is of an L-shaped structure, a vertical plate of the positioning plate (6) is higher than an arc-shaped groove (3) in the positioning seat plate (2), a connecting long groove (7) is formed in the horizontal plate surface at the lower end of the positioning plate (6), and a locking bolt (8) penetrating through the connecting long groove (7) is in threaded connection with the chassis (1) and then fixes the positioning plate (6) on the chassis (1) in an adjustable position.
4. The positioning fixture for machining the axial hole of the thin-wall sleeve part according to claim 1, characterized in that: arc seat (4) by the upper end with thin wall cover part (14) outer periphery wall adaptation the arc and with the omega shape structure that the L shaped plate of arc lower extreme formula structure is constituteed, pan face is fixed with double-screw bolt (9) that are located the outer tip of location bedplate (2) on chassis (1), after through-hole and lock nut (10) adaptation connection on the arc seat (4) lower extreme horizontal plate face is passed in double-screw bolt (9) with arc seat (4) removable be fixed in location bedplate (2) top.
5. The positioning fixture for machining the axial hole of the thin-wall sleeve part according to claim 1, 2, 3 or 4, wherein: the positioning block (5) is characterized in that two end parts of the positioning block (5) are arc-shaped structures matched with axial holes (15) in the outer circumferential wall of the thin-wall sleeve part (14), a counter bore (11) is formed in the middle of the positioning block (5), and an inner hexagonal bolt (12) penetrates through the counter bore (11) to be matched and screwed with a threaded hole (13) formed in the center of the chassis (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022401849.3U CN213470366U (en) | 2020-10-26 | 2020-10-26 | Positioning fixture for machining axial holes of thin-wall sleeve parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022401849.3U CN213470366U (en) | 2020-10-26 | 2020-10-26 | Positioning fixture for machining axial holes of thin-wall sleeve parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213470366U true CN213470366U (en) | 2021-06-18 |
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ID=76369492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022401849.3U Active CN213470366U (en) | 2020-10-26 | 2020-10-26 | Positioning fixture for machining axial holes of thin-wall sleeve parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213470366U (en) |
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2020
- 2020-10-26 CN CN202022401849.3U patent/CN213470366U/en active Active
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