CN210938923U - Flexible quick-adjustment self-centering suction tool suitable for energy-containing rotary part - Google Patents
Flexible quick-adjustment self-centering suction tool suitable for energy-containing rotary part Download PDFInfo
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- CN210938923U CN210938923U CN201921798082.3U CN201921798082U CN210938923U CN 210938923 U CN210938923 U CN 210938923U CN 201921798082 U CN201921798082 U CN 201921798082U CN 210938923 U CN210938923 U CN 210938923U
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Abstract
The utility model discloses a be suitable for flexible quick adjustment formula of containing ability gyration part from feeling relieved utensil belongs to combined material machining field. The suction cup comprises a suction cup body and an aligner, wherein the upper part of the suction cup body is an adsorption end face, the middle part in the suction cup body is provided with a main suction pipeline penetrating through the adsorption end face, the adsorption end face of the suction cup body is provided with a concentric ring cavity structure with gradually increased diameter, 3 vent holes are formed in each ring cavity at intervals of 120 degrees in the direction vertical to the adsorption end face, the adjacent vent holes in the adjacent ring cavities are positioned on the same straight line, the vent holes positioned on the same straight line are provided with opposite threaded hole channels at intervals of 120 degrees in the direction vertical to the adsorption end face in the suction cup body, the bottoms of the vent holes positioned on the same straight line are communicated with the corresponding threaded hole channels, one end of each threaded hole channel is communicated with the main suction pipeline, the other end of each threaded hole channel is communicated with; the alignment device shaft is connected in the vent hole of the annular cavity.
Description
Technical Field
The utility model relates to a combined material machining technical field, more specifically the utility model relates to a be suitable for containing can the flexible quick adjustment formula of gyration part from feeling relieved suction tool that says so.
Background
Because some energy-containing revolving body parts processed by full-profile surfaces have higher requirements on clamping reliability and centering precision, the composite materials belong to weak rigid materials and are easy to deform, and a plurality of conventional metal clamping methods (such as clamping of a chuck, adhesion positioning and the like, which can damage or stain a workpiece) are difficult to popularize and apply in the field. However, the vacuum adsorption technology is very effective for reliable and centering clamping in the processing of the energy-containing parts, and has obvious advantages in the aspects of preventing product clamping damage, one-time full-profile processing and the like. The vacuum chuck ensures the isostatic stress of the suction end surface by using the Pascal principle, and is widely used for clamping weak-rigidity or precision parts, such as various composite materials and optical glass devices. Although traditional cavity formula vacuum chuck obtains more general use, still have some problems, can arouse the work piece center to cave in and cause great deformation after adsorbing, the cutting fluid easily gets into the vacuum cavity and reduces the absorption reliability through adsorbing the contact surface, and sucking disc structural fixation can not be from the centering, lack the flexibility and be difficult to satisfy many varieties part quick replacement requirements. These problems all have a certain influence on the processing precision, production efficiency and clamping safety of the energy-containing component.
At present, the special application of energetic material machining and dress card is limited, and few general vacuum suction tool development to this field, borrow the frock design experience of the same kind for reference, many manufacturers' customization development have non-standard product, through installing soft rubber pad additional between many empty ceramic sucking discs and processing silicon chip like Applied Materials company to adopt the aperture that runs through of evenly distributed, can reduce work piece deformation and improve machining efficiency. Une of Japan proposes a cylinder pin type vacuum chuck, which does not use porous ceramics but uses cylinder pins densely and uniformly distributed on the surface thereof, and the composite material workpiece to be processed is in contact with only the short cylinder end face, so that the processing surface thereof can be made extremely flat, and the adsorption effect of minute dust can be eliminated. Bendfeldt increases the suction area and significantly increases the suction force of the workpiece through the expansion of the groove suction cup design. Strasbaugh corporation has developed a zoned vacuum chuck that can select a vacuum suction area based on the machining of sheet parts of different sizes, i.e., can only internally evacuate when machining small diameters, and can both internally and externally evacuate when machining large sheet parts. The vacuum chuck is mainly used for grinding the end face of a sheet part, and the size of the vacuum chuck and the size of a machined part need to be matched for use under the condition of needing end face and excircle turning. Especially for the flexible production line of small-batch and variable-size part processing, the vacuum chucks with various sizes and specifications need to be frequently installed and replaced, repeated installation and positioning calibration are needed each time, the production preparation time is long, the processing efficiency and the production flexibility are greatly influenced, and the flexibility is reduced.
In summary, there still exists a certain popularization difficulty for the application process of the vacuum chucking technology in the machining of the energy-containing revolving body, and the reason is as follows: 1) the processing and clamping safety of the energy-containing rotary parts have special requirements on the material selection and the process structure design of the vacuum suction tool; 2) the vacuum suction has the functional requirements of sealing performance and automatic alignment during the full profile processing of energy-containing components; 3) the cavity type vacuum suction tool commonly used at present has single functional structure and lacks flexibility. Therefore, in view of the current technical situation of vacuum chucking of energetic materials, the structure of a vacuum sucker needs to be improved, the quick and agile processing adaptability of the sucker is enhanced, and a vacuum sucker with uniform distribution stress, adjustable vacuum area and convenient self-centering is designed and developed so as to adapt to the high-efficiency and safe processing requirements of energetic material parts, which is very beneficial to solving the practical problems in production.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be suitable for containing can the flexible quick adjustment formula of rotating part from feeling relieved suction tool to solve containing can the rotating part production in need swiftly alternate sucking disc and the automatic problem of centering of part. The vacuum chuck has the advantages that the specification of the chuck is convenient and controllable through the design of the flexible quick-adjustment type vacuum chuck, and the function of quickly adapting to reliable clamping of workpieces with different sizes is achieved. The device adopts annular sucking disc structural design, and convenient adjustable and adsorption affinity evenly distributed of effective adsorption plane then adopts the mode of pendulum table alignment to realize its automatic centering to the gyration part, and these functions realize very portably, can show improvement production efficiency to satisfy gyration type contain the flexible reliable absorption and the high-efficient processing demand of ability spare part.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a flexible quick-adjustment self-centering suction tool suitable for containing rotatable parts comprises a suction cup body and an aligner, wherein the upper part of the suction cup body is provided with an adsorption end face, the middle part in the suction cup body is provided with a main suction pipeline penetrating through the adsorption end face, the adsorption end face of the suction cup body is provided with a concentric annular cavity structure with gradually enlarged diameter, 3 vent holes are arranged in each annular cavity at intervals of 120 degrees in the direction vertical to the adsorption end face, adjacent vent holes in adjacent ring cavities are positioned on the same straight line, the vent holes positioned on the same straight line are provided with opposite threaded hole channels at intervals of 120 degrees in the direction vertical to the adsorption end surface in the sucker body, the bottoms of the vent holes positioned on the same straight line are communicated with the corresponding threaded hole channels, one ends of the threaded hole channels are communicated with the main air suction pipeline, the other ends of the threaded hole channels are communicated with the side wall of the adsorption end surface, and sealing plugs are screwed in the threaded hole channels; the alignment device shaft is connected in the vent hole of the annular cavity.
Further, the alignment device comprises: lock nut, thrust rod, holding screw, amesdial, wherein, set up threadedly on the measuring staff of amesdial, lock nut passes through the screw thread spiro union can realize the optional position location locking of measuring staff on the measuring staff, and the upper end of thrust rod is for the U type clamp that is used for the centre gripping amesdial, installs the frame table centre gripping position at the amesdial through the mode of holding screw fastening centre gripping, and through holding screw fastening centre gripping, the lower extreme of thrust rod be equipped with air vent matched with toper thrust rod, through the air vent accurate cooperation gyration megger self-centering function of thrust rod and suction cup body upper surface. The thrust rod and the vent hole need to be matched, the rotation precision is ensured to be less than 0.005mm, and the vacuum degree of a vacuum air source system is required to be less than-0.1 Mpa.
Further, the sealing plug is a top thread coated with sealing paint.
Furthermore, the diameter of the adjacent annular cavity is 2mm-10 mm.
Furthermore, a pipe joint is arranged at the lower part of the sucker body, one end of the pipe joint is communicated with the main air suction pipeline, and the other end of the pipe joint is communicated with the side wall of the sucker body.
The utility model also provides a flexible quick adjustment formula of containing ability rotating part is from centering method, wraps foretell from the centering suction apparatus, including following step:
step 1: firstly, a suction cup body is arranged on a machine tool spindle rotary worktable through a chuck or a mechanical fastening method, and a rotary workpiece containing energy is arranged in the central area of the suction cup body;
step 2: selecting a vent hole at a proper position from vent holes on the same straight line of the adsorption end surface of the sucker body according to the outer diameter of the workpiece as a radial positioning hole A;
and step 3: inserting the alignment device into the positioning hole A by using the thrust rod, swinging the dial indicator to enable the measuring rod to slide through the major diameter of a workpiece, recording the state of the dial indicator and reading the maximum indication a1, selecting 120-degree equally-divided positioning holes B and C corresponding to the positioning hole A in the same ring groove according to the method, and respectively swinging the dial indicator to read the maximum indication values B1 and C1;
and 4, step 4: locking a measuring rod of the dial indicator at a position with an indication value d equal to (a1+ b1+ c1)/3 through a locking nut, swinging the dial indicator again by taking the positioning hole A as an axis, and quickly screwing a jackscrew in a threaded hole channel opposite to the positioning hole A to a position positioned by the aligner through a wrench;
and 5: locking a measuring rod of the dial indicator at a position with an indication value d equal to (a1+ B1+ c1)/3 through a locking nut, swinging the dial indicator again by taking the positioning hole B as an axis, and quickly screwing a jackscrew in a threaded hole channel opposite to the positioning hole B to a position positioned by the aligner through a wrench;
step 6: locking a measuring rod of the dial indicator at a position with an indication value d equal to (a1+ b1+ C1)/3 through a locking nut, swinging the dial indicator again by taking the positioning hole C as an axis, and quickly screwing a jackscrew in a threaded hole channel opposite to the positioning hole C to a position positioned by the aligner through a wrench; the self-centering alignment of the workpiece can be completed;
and 7: the accessory thrust rod and the wrench are removed, the vacuum gas circuit is communicated by using the pipe joint, and finally the flexible quick-adjustment vacuum adsorption of the sucker body is realized.
In step 2, the flatness of the suction end face of the suction cup body is not more than 0.003 mm.
The further technical scheme is as follows: the thrust rod and the vent hole need to be matched, the rotation precision is ensured to be less than 0.005mm, and the vacuum degree of a vacuum air source system is required to be less than-0.1 Mpa.
Compared with the prior art, the utility model beneficial effect who has is:
(1) the utility model discloses a be suitable for and contain can the flexible quick adjustment formula of gyration part from centering inhale the utensil and realized in small batch flexible production, the vacuum of multiple specification shape size parts machining is inhaled tightly and is reliably adorned the card, can realize multiple vacuum chuck's function integration, and quick adjustment and change are convenient.
(2) The utility model discloses a be suitable for and contain can the flexible quick adjustment formula of gyration part from centering inhale the utensil can convenient realization to the body of revolution work piece from the centering function, solved in the past contain can the part small batch processing, need frequently change numerous and diverse operations such as sucking disc, repeated installation correcting appliance for adapting to not unidimensional work piece dress card, and its repeated centering precision can satisfy the production requirement.
(3) The utility model discloses a be suitable for and contain can the flexible quick-adjustment formula of gyration part from feeling relieved suction tool has simple structure, convenient to use, the even reliable characteristics of adsorption affinity, have the ponding structural feature of preventing of annular sucking disc moreover, can solve the cutting fluid seepage problem of work piece and sucking disc adsorption surface department, effective reduction system leakage coefficient.
(4) The utility model discloses a flexible formula of transferring is from line-up function design, realizes being suitable for the research of the novel swift, reliable vacuum adsorption method of energetic material machining, satisfies the flexible actual demand of transferring soon, waterproof leak protection, pressure homogenization, precision promotion of processing frock, has low cost and easily with the integrated and dismantlement of lathe advantage, can show the uniformity that improves product processingquality.
Drawings
Fig. 1 is a general structure diagram of the flexible quick-adjusting self-centering suction tool suitable for the rotatable parts of the present invention.
Fig. 2 is a front view of the flexible fast-adjustable self-centering suction tool suitable for the rotatable part, and illustrates the working principle of changing the suction range of the fast-adjustable self-centering suction tool.
Fig. 3 is a top view of fig. 2, illustrating the positional relationship of the array holes and the self-centering principle.
As shown, in which corresponding reference characters designate:
1-a sucker body, 2-a pipe joint, 3-a jackscrew, 4-a wrench, 5-an aligner, 5.1-a lock nut, 5.2-a thrust rod, 5.3-a set screw, 5.4-a dial indicator, 6-a workpiece, 7-a ring cavity, 8-a main air suction pipeline, 9-a threaded hole and 10-an air vent.
Detailed Description
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
as shown in figures 1-3, the flexible quick-adjustment self-centering suction tool suitable for parts containing energy to rotate comprises a suction cup body 1 and an aligner 5, wherein the upper part of the suction cup body 1 is provided with an adsorption end face, the lower part of the suction cup body 1 is provided with a high-precision cylindrical section for positioning and clamping, and the suction cup body 1 is arranged on a machine tool spindle or a rotary middle table by a chuck or a mechanical fastening method. The middle part in the sucker body 1 is provided with a main air suction pipeline 8 penetrating through an adsorption end face, the adsorption end face of the sucker body 1 is provided with a concentric annular cavity 7 structure with the diameter gradually increased, 3 vent holes 10 are formed in each annular cavity 7 at intervals of 120 degrees in the direction vertical to the adsorption end face, the adjacent vent holes 10 in the adjacent annular cavities 7 are positioned on the same straight line, the vent holes 10 positioned on the same straight line are provided with opposite threaded hole channels 9 at intervals of 120 degrees in the direction vertical to the adsorption end face in the sucker body 1, the bottoms of the vent holes 10 positioned on the same straight line are communicated with the corresponding threaded hole channels 9, one end of each threaded hole channel 9 is communicated with the main air suction pipeline 8, the other end of each threaded hole channel 9 is communicated with the side wall of the adsorption end face, and a; the aligner 5 is connected by a shaft in a vent hole 10 of the ring cavity 7.
In this embodiment, the aligner 5 includes: lock nut 5.1, thrust bar 5.2, holding screw 5.3, amesdial 5.4, wherein, set up threadedly on the measuring staff of amesdial 5.4, lock nut 5.1 passes through the screw thread spiro union is on the measuring staff, can realize the optional position location locking of measuring staff, and the upper end of thrust bar 5.2 is the U type clamp that is used for centre gripping amesdial 5.4, installs at the frame table centre gripping position of amesdial 5.4 through the mode of holding screw 5.3 fastening centre gripping, and through holding screw 5.3 fastening centre gripping, the lower extreme of thrust bar 5.2 be equipped with air vent 10 matched with toper thrust bar 5.2, through the air vent 10 accurate cooperation gyration megger self-centering function of thrust bar 5.2 and sucking disc body 1 upper surface. The thrust rod 5.2 and the vent hole 10 need to be matched, the rotation precision is ensured to be less than 0.005mm, and the vacuum degree of a vacuum air source system is required to be less than-0.1 Mpa.
The adsorption end face of the sucker body 1 is provided with a concentric ring cavity 7 structure with the diameter gradually increased, the processing requirements of easy deformation of energy-containing components and uniform adsorption force distribution are met, and the diameter of the adjacent ring cavity 7 can be selected before manufacturing (generally between 2mm and 10 mm).
The utility model provides an alignment ware 5 both can regard as the push rod of 6 alignment of work pieces also has the locking utensil of the quick location of annular sucking disc jackscrew 3. The sealing plug is the jackscrew 3 that scribbles sealing paint, can realize sealed, and can adjust effective vacuum adsorption's area through the jackscrew 3 position in screw hole 9. The utility model discloses a suction cup body 1's structure is very novel, and jackscrew 3 and threaded hole way 9's cooperation can play the position that adjusts sealed pipeline according to the work piece 6 of different diameters, realizes flexible quick adjustment. It is not necessary to replace different suction cups.
Preferably, a pipe joint 2 is arranged at the lower part of the suction cup body 1, one end of the pipe joint 2 is communicated with the main suction pipeline 8, and the other end of the pipe joint 2 is communicated with the side wall of the suction cup body 1.
In order to ensure the utility model discloses an end use precision and system reliability, should propose reasonable required precision to the precision of the manufacturing of its key spare part and assembly, the plane degree less than or equal to 0.003mm of the absorption terminal surface of suction cup 1. The thrust rod 5.2 and the vent hole 10 need to be matched, the rotation precision is ensured to be less than 0.005mm, and the vacuum degree of a vacuum air source system is required to be less than-0.1 Mpa.
In addition, 3 micro through holes are arranged in a certain annular cavity 7 of the suction cup body 1 at intervals of 120 degrees in the direction of a vertical end face, the through holes are mainly used for draining accumulated water in the annular cavity 7 caused by gap leakage of a contact surface, and the through holes are arranged outside the selected effective vacuum annular cavity 7, but can be plugged according to the use condition to avoid air leakage.
The utility model also provides a flexible quick adjustment formula of containing ability rotating part is from centering method, wraps foretell from the centering suction apparatus, including following step:
step 1: firstly, a suction cup body 1 is arranged on a machine tool spindle rotary worktable by a chuck or a mechanical fastening method, and a rotatable workpiece 6 is arranged in the central area of the suction cup body 1; thereby setting the effective area of the sucker; in order to reduce the leakage coefficient of the vacuum system, the sucker body 1 needs to be cleaned of residual particles before use.
Step 2: selecting a vent hole 10 at a proper position from vent holes 10 on the same straight line of the adsorption end surface of the suction cup body 1 according to the outer diameter of the workpiece 6 as a radial positioning hole A;
and step 3: inserting the aligner 5 into the positioning hole A by using the thrust rod 5.2, swinging the dial indicator 5.4 to enable the measuring rod to slide through the major diameter of the workpiece 6, recording the jump indicator state and reading the maximum indication a1, selecting the 120-degree equally-divided positioning hole B and the positioning hole C corresponding to the positioning hole A in the same ring groove according to the method, and respectively swinging the dial indicator to read the maximum indication B1 and C1;
and 4, step 4: locking a measuring rod of a dial indicator 5.4 at a position with an indication value d equal to (a1+ b1+ c1)/3 through a lock nut 5.1, swinging the dial indicator 5.4 again by taking the positioning hole A as an axis, and quickly screwing the jackscrew 3 in the threaded hole channel 9 opposite to the positioning hole A to the position where the aligner 5 is positioned through a wrench 4;
and 5: locking a measuring rod of a dial indicator 5.4 at a position with an indication value d equal to (a1+ B1+ c1)/3 through a lock nut 5.1, swinging the dial indicator 5.4 again by taking a positioning hole B as an axis, and quickly screwing a jackscrew 3 in a threaded hole channel 9 opposite to the positioning hole B to a position where an aligner 5 is positioned through a wrench 4;
step 6: locking a measuring rod of a dial indicator 5.4 at a position with an indication value d equal to (a1+ b1+ C1)/3 by a lock nut 5.1, swinging the dial indicator 5.4 again by taking a positioning hole C as an axis, and quickly screwing a jackscrew 3 in a threaded hole channel 9 opposite to the positioning hole C to a position where an aligner 5 is positioned by a wrench 4; the self-centering alignment of the workpiece 6 can be completed;
and 7: the accessory thrust rod 5.2 and the wrench 4 are removed, the pipe joint 2 is used for connecting a vacuum gas circuit, and finally the flexible quick-adjustment vacuum adsorption of the suction cup body 1 is realized.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A flexible quick-adjustment self-centering suction tool suitable for parts containing rotary energy is characterized by comprising a suction cup body and an aligner, wherein the upper part of the suction cup body is provided with an adsorption end face, the middle part in the suction cup body is provided with a main suction pipeline penetrating through the adsorption end face, the adsorption end face of the suction cup body is provided with a concentric ring cavity structure with gradually increased diameter, each ring cavity is internally provided with 3 vent holes at intervals of 120 degrees in the direction vertical to the adsorption end face, adjacent vent holes in adjacent ring cavities are positioned on the same straight line, the vent holes positioned on the same straight line are provided with opposite threaded hole channels at intervals of 120 degrees in the direction vertical to the adsorption end surface in the sucker body, the bottoms of the vent holes positioned on the same straight line are communicated with the corresponding threaded hole channels, one ends of the threaded hole channels are communicated with the main air suction pipeline, the other ends of the threaded hole channels are communicated with the side wall of the adsorption end surface, and sealing plugs are screwed in the threaded hole channels; the alignment device shaft is connected in the vent hole of the annular cavity.
2. The flexible, fast-adjusting, self-centering tool adapted to contain a rotatable part as set forth in claim 1, wherein said aligner comprises: lock nut, thrust bar, holding screw, amesdial, wherein, seted up threadedly on the measuring staff of amesdial, lock nut passes through the screw thread spiro union is on the measuring staff, and the upper end of thrust bar is for the U type clamp that is used for the centre gripping amesdial, and through holding screw fastening centre gripping, the lower extreme of thrust bar be equipped with air vent matched with toper thrust bar realizes gyration megger through the air vent cooperation of thrust bar and suction cup body upper surface.
3. The flexible quick-adjustment self-centering suction tool suitable for parts containing rotatable parts according to claim 1, wherein the sealing plug is a jackscrew coated with sealing paint.
4. The flexible, fast-adjusting, self-centering suction tool for containing rotatable parts according to claim 1, wherein the adjacent annular cavities have a diameter of 2mm to 10 mm.
5. The flexible quick-adjusting self-centering suction tool suitable for containing rotatable parts as claimed in claim 1, wherein a pipe joint is provided at a lower portion of the suction cup body, one end of the pipe joint is communicated with the main suction pipe, and the other end of the pipe joint is communicated with the side wall of the suction cup body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921798082.3U CN210938923U (en) | 2019-10-24 | 2019-10-24 | Flexible quick-adjustment self-centering suction tool suitable for energy-containing rotary part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921798082.3U CN210938923U (en) | 2019-10-24 | 2019-10-24 | Flexible quick-adjustment self-centering suction tool suitable for energy-containing rotary part |
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| CN210938923U true CN210938923U (en) | 2020-07-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893895A (en) * | 2021-01-15 | 2021-06-04 | 哈尔滨工业大学 | Vacuum chuck with adjustable adsorption diameter for ultra-precise turning |
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2019
- 2019-10-24 CN CN201921798082.3U patent/CN210938923U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893895A (en) * | 2021-01-15 | 2021-06-04 | 哈尔滨工业大学 | Vacuum chuck with adjustable adsorption diameter for ultra-precise turning |
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