CN214490175U - Precision parts high accuracy adds clamping apparatus device - Google Patents
Precision parts high accuracy adds clamping apparatus device Download PDFInfo
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- CN214490175U CN214490175U CN202120719713.9U CN202120719713U CN214490175U CN 214490175 U CN214490175 U CN 214490175U CN 202120719713 U CN202120719713 U CN 202120719713U CN 214490175 U CN214490175 U CN 214490175U
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- nut
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052802 copper Inorganic materials 0.000 claims abstract description 15
- 239000010949 copper Substances 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 5
- 238000003754 machining Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000007769 metal material Substances 0.000 description 2
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- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The utility model discloses an accurate part high accuracy adds clamping apparatus device belongs to artillery part machining technical field. The special taper mandrel fixture comprises a body A and a nut, the grinding fixture comprises a body B, a pressing plate, a bolt, an inner hexagon screw and a copper screw, the size of the working part of the taper mandrel on the left side of the body A is obtained by calculation according to the taper and the length of an inner hole of a part to be processed, the nut is installed on the body A and connected to the right side of the body A in the horizontal direction, and the nut is adjustable in the length direction of the body A; bolt, socket head cap screw are the standard component, and the clamp plate passes through the bolt to be connected respectively in body B front and back both sides end position, and the even erection joint in the front and back both sides of clamp plate in a plurality of socket head cap screw interval, copper screw fixed connection is in socket head cap screw's end department. The utility model provides the high uniformity of parts machining makes part taper hole and terminal surface size and position accuracy keep unanimous.
Description
Technical Field
The utility model relates to an accurate part high accuracy adds clamping apparatus device belongs to artillery part machining technical field.
Background
The machined part has a tapered bore with a 0.8 finish and requires a full length dimension 58
The requirements of the prior art are met, after the original process machining method firstly uses a special cutter to machine the taper hole and the end face, a bench worker uses a special taper hole lapping rod to grind the taper hole to ensure the roughness requirement, the full length size is that a single part is ground by a surface grinder, and the requirements of consistency of the taper hole, the end face size and the full length size cannot be met after the machining is finished by the method, so that the assembly requirement is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides an accurate part high accuracy adds clamping device, the device are applicable to accurate part's clamping processing, have improved the uniformity of parts machining, guarantee the unanimity of full length size precision among a plurality of parts, guarantee the requirement of part design interchangeability, improve parts machining quality to can improve parts machining efficiency, shorten production cycle.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a precision parts high accuracy adds clamping apparatus device, includes special tapering dabber anchor clamps and grinds and uses anchor clamps, and special tapering dabber anchor clamps include body A and nut again, grinds and uses anchor clamps to include body B, clamp plate, bolt, socket head cap screw and copper screw again.
The nut is arranged on the body A and connected to the right side of the body A in the horizontal direction, the taper of the working part of the body A is 0.0256 per millimeter of length, and the nut is adjustable in the length direction of the body A; the bolt, the socket head cap screw is the standard component, and the size is fixed, and body B, clamp plate are variable structure, and body B and clamp plate high position are confirmed according to the length of the part that will process, and the V type groove structure size of body B both sides obtains according to the diameter size calculation of processing part, and the clamp plate passes through the bolt and connects respectively in body B front and back both sides end position, and the even erection joint in the front and back both sides of clamp plate in a plurality of socket head cap screw interval, copper screw fixed connection is in socket head cap screw's end department.
When the machining is carried out, firstly, a special cutter is used for machining a taper hole of a part, a bench worker uses a special taper hole lapping rod to grind the taper hole, then a special taper mandrel clamp is used for clamping and positioning the part to be machined, the special taper mandrel clamp is fixed on a lathe, a working part of a taper mandrel of a main body A is inserted into the taper hole of the part, automatic centering is carried out, clamping is completed, the size of the end face of the turned part is determined, the size and the position accuracy of the taper hole of the part are kept consistent with those of the end face, and after the part is machined, the machined part can be disassembled only by screwing a nut without the help of other tools, so that the machining is convenient and practical; the processed parts are vertically installed in V-shaped grooves on two sides of the body B, the bolts are screwed, the pressing plate is closed, the inner hexagon screws are locked, the parts are tightly pressed by the copper screws, automatic centering is achieved, clamping is completed, the parts are fixed on the workbench, meanwhile, the surface of the parts is ground by the surface grinding machine, the overall length size is determined, and the parts are absolutely uniform.
Because the smooth finish of the outer surface of the part is very high, the copper screw is a relatively soft metal material, the surface of the part cannot be damaged, and the copper screw is a protection for the outer surface of the part; by adopting the special taper mandrel fixture, the consistency of the size and position precision of the taper hole and the end face can be ensured; when the whole length size of the processed part is ground, sixteen parts can be ground simultaneously, and the requirement of a product drawing is guaranteed. Adopt and grind and use anchor clamps to body B is main, and the simple and easy structure of clamp plate as assisting can fix a plurality of parts and carry out the grinding simultaneously on the workstation, guarantees the product drawing requirement, and assurance part length size precision uniformity that can be fine guarantees the part interchangeability requirement, and part production efficiency is high, reduces intensity of labour, and maneuverability is strong, improves part processingquality.
The utility model has the advantages that: the utility model has the advantages of simple structure and reasonable design, convenient operation had both satisfied the requirement of product drawing, had also satisfied the production requirement of batch, improved part production efficiency, maneuverability is strong, and the manufacturing degree of difficulty is little, improves parts machining quality, satisfies the requirement of part interchangeability. The taper mandrel fixture is successfully applied to a certain product, and the consistency of the size and the position precision of a part taper hole and an end face can be well ensured by adopting the taper mandrel fixture; by adopting the novel grinding clamp, the length size precision consistency of a plurality of parts can be well ensured; the quick clamping can be realized, the labor intensity of workers is reduced, and the operability is strong; the fixture device can be popularized to the design of similar fixtures, can play an important role in the aspects of ensuring the quality of workpieces and improving the production efficiency, has an important guiding role in the high-precision processing of precise parts, and has relatively wide popularization value.
Drawings
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Fig. 1 is a schematic structural view of the special taper mandrel fixture of the present invention.
Fig. 2 is a front view of the grinding jig of the present invention.
Fig. 3 is a plan view of the grinding jig of the present invention.
Reference numbers in the figures:
1. the special taper mandrel fixture comprises a special taper mandrel fixture, 101, a body A, 102, a nut, 2, a grinding fixture, 201, a body B, 202, a pressing plate, 203, bolts, 204, socket head cap screws, 205, copper screws, 3 and parts.
Detailed Description
As shown in fig. 1-3, a precision part high-precision machining fixture device comprises a special taper mandrel fixture 1 and a grinding fixture 2, wherein the special taper mandrel fixture 1 comprises a body a101 and a nut 102, and the grinding fixture 2 comprises a body B201, a pressure plate 202, a bolt 203, an inner hexagon screw 204 and a copper screw 205; the body A101 and the nut 102 are both variable structures, the size of the working part of the taper mandrel on the left side of the body A101 is obtained by calculation according to the taper and the length of an inner hole of a part 3 to be processed, the nut 102 is installed on the body A101 and connected to the right side of the body A101 in the horizontal direction, the taper of the working part of the body A101 is 0.0256 per millimeter of long diameter, and the nut 102 is adjustable in the length direction of the body A101; the bolt 203 and the socket head cap 204 are standard parts and are fixed in size, the body B201 and the pressing plate 202 are both variable structures, the height positions of the body B201 and the pressing plate 202 are determined according to the length of a part 3 to be processed, the structural size of the V-shaped groove on the two sides of the body B201 is calculated according to the diameter size of the processed part 3, the pressing plate 202 is respectively connected to the front end and the rear end of the body B201 through the bolt 203, the socket head cap caps 204 are evenly arranged and connected to the front side and the rear side of the pressing plate 202 at intervals, and the copper screws 205 are fixedly connected to the ends of the socket head cap screws 204.
When in processing, firstly, a special cutter is used for processing a taper hole of the part 3, a bench worker uses a special taper hole lapping rod to grind the taper hole, then a special taper mandrel clamp 1 is used for clamping and positioning the part 3 to be processed, the special taper mandrel clamp 1 is fixed on a lathe, a working part of a taper mandrel of the main body A101 is inserted into the taper hole of the part 3, automatic centering is performed, clamping is completed, the size of the end face of the part 3 is determined, the size and the position precision of the taper hole and the end face of the part 3 are kept consistent, after the part 3 is processed, the part 3 can be dismounted and processed by only screwing the nut 102 without using other tools, and the processing is convenient and practical; the processed parts 3 are vertically installed in V-shaped grooves on two sides of a body B201, bolts 203 are screwed down, a pressing plate 202 is closed, inner hexagon screws 204 are locked, the parts 3 are tightly pressed by copper screws 205, automatic centering is achieved, clamping is completed, the parts 3 are fixed on a workbench, meanwhile, a surface of each part 3 is ground by a surface grinding machine, the full-length size is determined, and the parts are absolutely uniform.
Because the smooth finish of the outer surface of the part 3 is very high, the copper screw 5 is a relatively soft metal material, the surface of the part 3 cannot be damaged, and the copper screw is a protection for the outer surface of the part 3; by adopting the special taper mandrel clamp 1, the consistency of the size and the position precision of the taper hole and the end face can be ensured; when grinding is carried out on the full-length size of the machined part 3, sixteen parts can be ground simultaneously, and the requirement of a product drawing is met. Adopt and grind with anchor clamps 2 to body B201 is the main, and simple and easy structure that clamp plate 202 was assisted can fix a plurality of parts 3 and carry out the grinding simultaneously on the workstation, guarantees the requirement of product drawing, and 3 length size accuracy uniformity of assurance parts that can be fine guarantee part guarantees the requirement of 3 interchangeability of part, and part 3 production efficiency is high, reduces intensity of labour, and maneuverability is strong, improves 3 processingquality of part.
Claims (1)
1. The utility model provides a precision parts high accuracy adds clamping apparatus, includes special tapering dabber anchor clamps (1) and grinds with anchor clamps (2), its characterized in that: the special taper mandrel clamp (1) comprises a body A (101) and a nut (102), and the grinding clamp (2) comprises a body B (201), a pressing plate (202), a bolt (203), an inner hexagon screw (204) and a copper screw (205); the body A (101) and the nut (102) are both variable structures, the size of a working part of a taper mandrel on the left side of the body A (101) is obtained through calculation according to the taper and the length of an inner hole of a part (3) to be processed, the nut (102) is installed on the body A (101) and connected to the right side of the body A (101) in the horizontal direction, the taper of the working part of the body A (101) is 0.0256 per millimeter of long diameter, and the nut (102) is adjustable in the length direction of the body A (101); bolt (203), socket head cap screw (204) are the standard component, the size is fixed, body B (201), clamp plate (202) are variable structure, body B (201) and clamp plate (202) high position are confirmed according to the length of part (3) that will process, the V type groove structure size of body B (201) both sides calculates according to the diameter size of processing part (3) and obtains, clamp plate (202) are connected respectively in body B (201) both sides end position around through bolt (203), the even erection joint in the front and back both sides of clamp plate (202) of a plurality of socket head cap screw (204) interval, copper screw (205) fixed connection is in the end department of socket head cap screw (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120719713.9U CN214490175U (en) | 2021-04-09 | 2021-04-09 | Precision parts high accuracy adds clamping apparatus device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120719713.9U CN214490175U (en) | 2021-04-09 | 2021-04-09 | Precision parts high accuracy adds clamping apparatus device |
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| Publication Number | Publication Date |
|---|---|
| CN214490175U true CN214490175U (en) | 2021-10-26 |
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| CN202120719713.9U Active CN214490175U (en) | 2021-04-09 | 2021-04-09 | Precision parts high accuracy adds clamping apparatus device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227418A (en) * | 2021-11-24 | 2022-03-25 | 沈阳航天新光集团有限公司 | Small circular sleeve end face grinding surface grinding machine fixture |
| CN115519419A (en) * | 2022-09-20 | 2022-12-27 | 中国第一汽车股份有限公司 | Bolt end face grinding tool and equipment including the tool |
-
2021
- 2021-04-09 CN CN202120719713.9U patent/CN214490175U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227418A (en) * | 2021-11-24 | 2022-03-25 | 沈阳航天新光集团有限公司 | Small circular sleeve end face grinding surface grinding machine fixture |
| CN115519419A (en) * | 2022-09-20 | 2022-12-27 | 中国第一汽车股份有限公司 | Bolt end face grinding tool and equipment including the tool |
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