CN107891172B - Machining die for combined clamp of engine cylinder cover and using method of machining die - Google Patents
Machining die for combined clamp of engine cylinder cover and using method of machining die Download PDFInfo
- Publication number
- CN107891172B CN107891172B CN201711418544.XA CN201711418544A CN107891172B CN 107891172 B CN107891172 B CN 107891172B CN 201711418544 A CN201711418544 A CN 201711418544A CN 107891172 B CN107891172 B CN 107891172B
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- engine cylinder
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- positioning pin
- cylinder cover
- hydraulic lifting
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- 238000003754 machining Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000012545 processing Methods 0.000 claims description 6
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 description 19
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2247/00—Details of drilling jigs
- B23B2247/12—Drilling jigs with means to affix the jig to the workpiece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Automatic Assembly (AREA)
Abstract
The invention relates to a machining jig for an engine cylinder head combined clamp, which can clamp and machine a plurality of engine cylinder heads at one time, is quick, accurate and in-place in clamping of the engine cylinder heads, and is convenient to operate, and a using method of the machining jig; a plurality of groups of guide double sliding blocks are longitudinally arranged on the upper end surface of the middle template, and a hydraulic lifting tray is arranged between each group of guide double sliding blocks; the upper end face of the base is provided with a plurality of hydraulic lifting tables, and lifting rods of the hydraulic lifting tables are fixedly connected with the lower end face of the corresponding hydraulic lifting tray after passing through the middle template; the upper end face of the upper template is provided with a plurality of square holes, and a plurality of main positioning pin holes are formed in the upper end face of the upper template. The advantages are that: firstly, the machining jig of the combined clamp of the engine cylinder cover is labor-saving and time-saving, and can greatly improve the production quality and the production efficiency; and secondly, the engine cylinder cover combined clamp machining jig adopts a one-surface two-pin mode to position and clamp the engine cylinder cover, so that the engine cylinder cover can be clamped rapidly and accurately.
Description
Technical Field
The invention relates to an engine cylinder head combined clamp machining die capable of clamping and machining a plurality of engine cylinder heads at one time, and the engine cylinder head combined clamp machining die is fast, accurate and in-place in clamping and convenient to operate, and a use method thereof, and belongs to the field of manufacturing of engine cylinder head clamps.
Background
An important index for measuring the damage of an engine cylinder cover is that a plurality of groups of cylinder cover seat ring holes and cylinder guide pipe holes are formed in the engine cylinder cover (like the roundness of each cylinder cover seat ring hole and the coaxiality between the cylinder cover seat ring hole and the cylinder guide pipe holes), and the vector precision between the cylinder cover seat ring holes and the cylinder guide pipe holes of adjacent groups of cylinder cover seat ring holes is achieved, so that the existing engine cylinder cover is installed and clamped by adopting a handheld tool. The defects are that: firstly, the pressing force of the hand-held installation pressing on each point of the workpiece is uneven, and the phenomenon of workpiece swinging and cutter collision during processing caused by the fact that the workpiece is not put in place; secondly, the workpiece is installed into the workpiece to be uneven and inclined, the size error of a machining hole position is large, and the precision of the machining position is difficult to ensure; and thirdly, the processing and clamping of the independent working procedure of the workpiece are labor-consuming, time-consuming, high in rejection rate and low in production efficiency.
Disclosure of Invention
The design purpose is as follows: in order to avoid the defects in the background art, the engine cylinder cover combined clamp machining jig capable of clamping and machining a plurality of engine cylinder covers at one time is designed, and the engine cylinder cover is fast, accurate and in-place in clamping and convenient to operate.
The design scheme is as follows: to achieve the above design objective. 1. The design that a plurality of groups of guide double sliding blocks are longitudinally arranged on the upper end face of the middle template and a hydraulic lifting tray is arranged between each group of guide double sliding blocks is one of the technical characteristics of the invention. The purpose of this design is: when the hydraulic lifting pallet is used, a plurality of engine cylinder heads to be processed are respectively arranged in corresponding clamping chambers through the guide double sliding blocks; then, inserting the first positioning pin into the main positioning pin hole, and inserting the lower end of the first positioning pin into a pin shaft hole corresponding to the engine cylinder cover after the first positioning pin passes through the main positioning pin hole, so as to realize positioning before clamping the engine cylinder cover; then, the hydraulic lifting platform is started to enable the hydraulic lifting tray to drive the engine cylinder cover to move upwards together until the upper end face of the engine cylinder cover and the lower end face of the upper template are in surface-to-surface contact with each other, so that the quick clamping of a plurality of engine cylinder covers is realized, and the clamping efficiency and the processing efficiency (at least 3 times of efficiency) of the engine cylinder covers are greatly improved; in addition, the hydraulic lifting tray is pushed by the hydraulic lifting table to clamp the engine cylinder cover, so that the pressing force of each point of the engine cylinder cover is uniform, and the engine cylinder cover is clamped in place, so that the engine cylinder cover cannot swing during processing, and the phenomenon that the engine cylinder cover and a cutter collide with each other due to swing is avoided. 2. The design that the upper end face of the upper template is provided with a plurality of main positioning pin holes penetrating through the upper end face and the lower end face of the upper template is a second technical feature of the invention. The purpose of this design is: the upper end face of the upper template is provided with a plurality of main positioning pin holes which are communicated with the upper end face and the lower end face of the upper template, a positioning pin is inserted into the main positioning pin holes after the positioning pin holes corresponding to the main positioning pin holes on the upper end face of the engine cylinder cover and the main positioning pin holes on the upper template are communicated, and therefore after the engine cylinder cover is clamped by the hydraulic lifting tray, the coaxiality and the respective roundness of the same group of cylinder cover seat ring holes and the cylinder cover guide pipe holes after the engine cylinder cover is processed can be ensured, and the rejection rate of the engine cylinder cover is reduced. 3. The design that the upper end face of the upper template is provided with a plurality of auxiliary positioning pin holes penetrating through the upper end face and the lower end face of the upper template is a third technical feature of the invention. The purpose of this design is: the upper end face of the upper template is provided with a plurality of auxiliary locating pin holes which are communicated with the upper end face and the lower end face of the upper template, another locating pin is inserted into the auxiliary locating pin holes after the locating pin holes corresponding to the auxiliary locating pin holes on the upper end face of the engine cylinder cover are communicated with the auxiliary locating pin holes on the upper template, and thus the engine cylinder cover is positioned and clamped through one surface and two pins, the vector accuracy between each group of cylinder cover seat ring holes and cylinder cover guide holes can be improved, and the production qualification rate of the engine cylinder cover is further improved. 4. The design that the upper end surface of the middle template is transversely provided with a limiting stop bar is a fourth technical feature of the invention. The purpose of this design is: the upper end face of the middle template is transversely provided with a limiting stop bar, and the limiting stop bar plays a limiting blocking role on an engine cylinder cover pushed into the clamping chamber. 5. The design of the guide double sliding blocks consisting of two L-shaped sliding rails which are oppositely arranged is a fifth technical feature of the invention. The purpose of this design is: the guide double sliding blocks are composed of two L-shaped sliding rails which are oppositely arranged, and the two L-shaped sliding rails which are oppositely arranged can enable the cylinder cover of the engine to be installed and taken out, so that time and labor are saved; secondly, the vertical bar part of the L-shaped sliding rail plays a limiting and guiding role in the clamping and loosening process of the engine cylinder cover, so that the engine cylinder cover is ensured to move up and down in situ; and the front end of the guide double slide block is provided with a splayed guide opening, so that the cylinder head of the engine can automatically rectify and enter the guide double slide block formed by two L-shaped slide rails which are oppositely arranged. 6. The design that two support strips are longitudinally arranged on the upper end face of the hydraulic lifting tray is six in technical characteristics of the invention. The purpose of this design is: the hydraulic lifting tray is characterized in that two supporting strips are longitudinally arranged on the upper end face of the hydraulic lifting tray, and the supporting strips can avoid turning the hydraulic lifting tray by a perforating cutter when the cylinder cover conduit hole is opened because the cylinder cover conduit hole penetrates through the upper end face and the lower end face of the engine cylinder cover.
Technical scheme 1: the machining jig for the engine cylinder cover combined clamp comprises a base, wherein a middle template and an upper template are arranged at the upper end of the base through a plurality of columns, and the upper template is positioned above the middle template; a plurality of groups of guide double sliding blocks are longitudinally arranged on the upper end surface of the middle template, and a hydraulic lifting tray is arranged between each group of guide double sliding blocks; the upper end face of the base is provided with a plurality of hydraulic lifting tables, each hydraulic lifting table is located right below the corresponding hydraulic lifting tray, and the lifting rod of the hydraulic lifting table is fixedly connected with the lower end face of the corresponding hydraulic lifting tray after passing through the middle template; the upper end face of the upper template is provided with a plurality of square holes which are communicated with the upper end face and the lower end face of the upper template, each square hole is located right above the corresponding hydraulic lifting tray, and the upper end face of the upper template is provided with a plurality of main positioning pin holes which are communicated with the upper end face and the lower end face of the upper template, and each main positioning pin hole is located on one side of the corresponding square hole.
Technical scheme 2: the use method of the engine cylinder cover combined clamp machining jig comprises the steps of firstly, respectively loading a plurality of engine cylinder covers to be machined into corresponding clamping chambers through a plurality of guide double sliding blocks; then, inserting the first positioning pin into the main positioning pin hole, and inserting the lower end of the first positioning pin into a pin shaft hole corresponding to the engine cylinder cover after the first positioning pin passes through the main positioning pin hole, so as to realize positioning before clamping the engine cylinder cover; and then, starting the hydraulic lifting platform to enable the hydraulic lifting tray to drive the engine cylinder cover to move upwards together until the upper end face of the engine cylinder cover and the lower end face of the upper template are in surface-to-surface contact with each other, so that clamping of a plurality of engine cylinder covers is realized.
Compared with the background technology, the invention has the advantages that the working mould for processing the combined clamp of the engine cylinder cover is labor-saving and time-saving, and the production quality and the production efficiency can be greatly improved; and secondly, the engine cylinder cover combined clamp machining jig adopts a one-surface two-pin mode to position and clamp the engine cylinder cover, so that the engine cylinder cover can be clamped rapidly and accurately.
Drawings
Fig. 1 is a schematic structural view of an engine cylinder head combined clamp machining die and the like.
Fig. 2 is a schematic top view of an engine cylinder head sectional fixture machining die.
Fig. 3 is a schematic diagram of a front view of an engine cylinder head combined clamp machining die.
Fig. 4 is a schematic cross-sectional view of the engine cylinder head sectional jig in a side view.
Detailed Description
Example 1: with reference to fig. 1-4. The machining jig for the combined clamp of the engine cylinder cover comprises a base 1, wherein a middle template 3 and an upper template 4 are arranged at the upper end of the base 1 through a plurality of columns 2, and the upper template 4 is positioned above the middle template 3; a plurality of groups of guide double slide blocks 5 are longitudinally arranged on the upper end surface of the middle die plate 3, and a hydraulic lifting tray 6 is arranged between each group of guide double slide blocks 5 (namely, a hydraulic lifting tray 6 is arranged between two L-shaped slide rails 51 in the guide double slide blocks 5); the upper end face of the base 1 is provided with a plurality of hydraulic lifting tables 7, each hydraulic lifting table 7 is positioned right below the corresponding hydraulic lifting tray 6, and the lifting rod of the hydraulic lifting table 7 is fixedly connected with the lower end face of the corresponding hydraulic lifting tray 6 after passing through the middle template 3 (namely, a lifting rod through hole penetrating through the upper end face and the lower end face of the middle template 3 is formed in the middle template 3); the upper end face of the upper template 4 is provided with a plurality of square holes 41 which are communicated with the upper end face and the lower end face of the upper template, each square hole 41 is located right above the corresponding hydraulic lifting tray 6, and the upper end face of the upper template 4 is provided with a plurality of main positioning pin holes 42 which are communicated with the upper end face and the lower end face of the upper template 4, and each main positioning pin hole 42 is located on one side of the corresponding square hole 41. The upper end face of the upper template 4 is provided with a plurality of auxiliary positioning pin holes 43 which penetrate through the upper end face and the lower end face of the upper template 4, and each auxiliary positioning pin hole 43 is positioned at the other side of the corresponding square hole 41. The upper end face of the middle die plate 3 is transversely provided with a limiting stop bar 8, and the limiting stop bar 8 is positioned at the rear side of the guide double slide block 5. The guide double slide block 5 is composed of two L-shaped slide rails 51 which are oppositely arranged, and the distance between the two L-shaped slide rails 51 is matched with the width of the engine cylinder cover; the height of the rail vertical bar portion in the L-shaped rail 51 is larger than the height that rises when the engine cylinder head is clamped by the hydraulic lifting tray 6. The front end of the guide double slide block 5 is provided with a splayed guide opening 52. Two supporting strips 61 are longitudinally arranged on the upper end face of the hydraulic lifting tray 6.
The upper end surface of the rail horizontal bar part in the L-shaped sliding rail 51 is provided with a hydraulic die lifter along the length direction of the L-shaped sliding rail 51, when the engine cylinder head is arranged between the middle die plate 3 and the upper die plate 4 through the guide double sliding blocks 5, the guide rollers in the hydraulic die lifter are in a lifting state, at the moment, the engine cylinder head is easily and laborsaving in a clamping chamber between the middle die plate 3 and the upper die plate 4 through the guide rollers of the hydraulic die lifter, two positioning pin holes on the upper end surface of the engine cylinder head are respectively communicated with a main positioning pin hole 42 and a secondary positioning pin hole 43 on the upper die plate 4, and then a positioning pin is respectively inserted into the main positioning pin hole 42 and the secondary positioning pin hole 43 (the positioning pin positioned in the main positioning pin hole 42 enters the positioning pin hole corresponding to the main positioning pin hole 42 after passing through the main positioning pin hole 42, and the positioning pin positioned in the secondary positioning pin hole 43 enters the positioning pin hole corresponding to the main positioning pin hole 43 after passing through the secondary positioning pin hole 43), and then the guide rollers in the hydraulic die lifter slowly and slowly descending the guide rollers in the hydraulic die lifter enable the engine cylinder head to smoothly fall on the hydraulic lifting tray 6, so that the positioning pin is prevented from being in the hydraulic lifting tray 6 due to collision of the hydraulic lifting tray 6 and the main positioning pin hole 42 and the secondary positioning pin hole 43 and can not be worn down or the secondary positioning pin hole 43; after the cylinder cover of the engine is processed by the cylinder cover seat ring hole 9 and the cylinder cover guide pipe hole 10, the hydraulic lifting tray 6 descends to enable the cylinder cover of the engine to fall back onto the guide double sliding blocks 5, and the guide rollers in the hydraulic mould lifter are lifted to enable the cylinder cover of the engine to be easily and laborsaving to be moved out of the clamping chamber.
Example 2: on the basis of example 1. When the use method of the engine cylinder cover combined clamp machining jig is used, a plurality of engine cylinder covers to be machined are respectively arranged in corresponding clamping chambers through a plurality of guide double sliding blocks 5; then, inserting the first positioning pin into the main positioning pin hole 42, and inserting the lower end of the first positioning pin into a pin shaft hole corresponding to the engine cylinder cover after the first positioning pin passes through the main positioning pin hole 42, so as to realize positioning before clamping the engine cylinder cover; then, starting the hydraulic lifting platform 7 to enable the hydraulic lifting tray 6 to drive the engine cylinder heads to move upwards together until the upper end face of the movable engine cylinder head is in surface-to-surface contact with the lower end face of the upper template 4, so that clamping of a plurality of engine cylinder heads is realized; after the cylinder cover seat ring holes 9 and the cylinder cover guide pipe holes 10 are machined on the upper end surfaces of the plurality of engine cylinder covers, the hydraulic lifting platform 7 is started to enable the hydraulic lifting tray 6 to drive the engine cylinder covers to move downwards together until the engine cylinder covers fall back onto the guide double slide blocks 5, the positioning pins are pulled out, and then the plurality of engine cylinder covers are taken out one by one through the guide double slide blocks 5 where the engine cylinder covers are located. Before the hydraulic lifting platform 7 is started to lift, the second positioning pin is inserted into the auxiliary positioning pin hole 43, and the lower end of the second positioning pin is inserted into the pin hole of the corresponding engine cylinder head after passing through the auxiliary positioning pin hole 43.
It should be understood that: although the above embodiments describe the design concept of the present invention in more detail, these descriptions are merely descriptions of the design concept of the present invention, and not limitations on the design concept of the present invention, and any combination, addition or modification not exceeding the design concept of the present invention falls within the scope of the present invention.
Claims (7)
1. The utility model provides an engine cylinder head sectional fixture adds clamping apparatus processing worker mould, includes base (1), characterized by: the upper end of the base (1) is provided with a middle template (3) and an upper template (4) through a plurality of columns (2), and the upper template (4) is positioned above the middle template (3); the upper end face of the middle die plate (3) is longitudinally provided with a plurality of groups of guide double slide blocks (5), each guide double slide block consists of two L-shaped slide rails which are oppositely arranged, the two L-shaped slide rails which are oppositely arranged can enable an engine cylinder cover to be installed and taken out to be time-saving and labor-saving, a slide rail vertical bar part in the L-shaped slide rails plays a limiting guide role in the clamping and loosening process of the engine cylinder cover, the engine cylinder cover is ensured to move up and down in situ, the front end of each guide double slide block is provided with a splayed guide opening, so that the engine cylinder cover can automatically rectify and enter the guide double slide blocks formed by the two L-shaped slide rails which are oppositely arranged, and a hydraulic lifting tray (6) is arranged between each group of guide double slide blocks (5); the upper end face of the base (1) is provided with a plurality of hydraulic lifting tables (7), each hydraulic lifting table (7) is located right below the corresponding hydraulic lifting tray (6), and lifting rods of the hydraulic lifting tables (7) are fixedly connected with the lower end face of the corresponding hydraulic lifting tray (6) after passing through the middle template (3); the upper end face of the upper die plate (4) is provided with a plurality of square holes (41) which are communicated with the upper end face and the lower end face of the upper die plate, each square hole (41) is positioned right above the corresponding hydraulic lifting tray (6), the upper end face of the upper die plate (4) is provided with a plurality of main positioning pin holes (42) which are communicated with the upper end face and the lower end face of the upper die plate (4), each main positioning pin hole (42) is positioned at one side of the corresponding square hole (41), and one positioning pin is inserted into the main positioning pin hole after the positioning pin holes corresponding to the main positioning pin holes on the upper end face of the engine cylinder cover are communicated with the main positioning pin holes on the upper die plate, so that the coaxiality of the cylinder cover seat ring holes and the cylinder cover guide pipe holes of the same group and the respective roundness of the cylinder cover after the engine cylinder cover is clamped by the hydraulic lifting tray can be ensured, and the rejection rate of the engine cylinder cover is reduced; the application method comprises the following steps: firstly, a plurality of engine cylinder heads to be processed are respectively arranged in corresponding clamping chambers through a plurality of guide double sliding blocks (5); then, the first positioning pin is inserted into the main positioning pin hole (42), the lower end of the first positioning pin is inserted into the pin hole of the corresponding engine cylinder cover after passing through the main positioning pin hole (42), and positioning of the engine cylinder cover before clamping is realized; and then, starting the hydraulic lifting platform (7) to enable the hydraulic lifting tray (6) to drive the engine cylinder heads to move upwards together until the upper end surfaces of the engine cylinder heads and the lower end surfaces of the upper templates (4) are in surface-to-surface contact with each other, so that clamping of a plurality of engine cylinder heads is realized.
2. The engine cylinder head sectional fixture machining jig of claim 1, wherein: the upper end face of the upper template (4) is provided with a plurality of auxiliary positioning pin holes (43) which penetrate through the upper end face and the lower end face of the upper template (4), and each auxiliary positioning pin hole (43) is positioned at the other side of the corresponding square hole (41).
3. The engine cylinder head sectional fixture machining jig of claim 1, wherein: the upper end face of the middle die plate (3) is transversely provided with a limiting stop bar (8), and the limiting stop bar (8) is positioned at the rear side of the guide double slide block (5).
4. The engine cylinder head sectional fixture machining jig of claim 1, wherein: the guide double slide block (5) is composed of two L-shaped slide rails (51) which are oppositely arranged, and the distance between the two L-shaped slide rails (51) is matched with the width of the engine cylinder cover.
5. The engine cylinder head sectional fixture machining jig of claim 4, wherein: the front end of the guide double slide block (5) is provided with a splayed guide opening (52).
6. The engine cylinder head sectional fixture machining jig of claim 1, wherein: two supporting strips (61) are longitudinally arranged on the upper end face of the hydraulic lifting tray (6).
7. The engine cylinder head sectional fixture machining jig of claim 1, wherein: before the hydraulic lifting platform (7) is started to lift, the second positioning pin is inserted into the auxiliary positioning pin hole (43), and the lower end of the second positioning pin is inserted into the pin hole of the corresponding engine cylinder cover after passing through the auxiliary positioning pin hole (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418544.XA CN107891172B (en) | 2017-12-25 | 2017-12-25 | Machining die for combined clamp of engine cylinder cover and using method of machining die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418544.XA CN107891172B (en) | 2017-12-25 | 2017-12-25 | Machining die for combined clamp of engine cylinder cover and using method of machining die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107891172A CN107891172A (en) | 2018-04-10 |
| CN107891172B true CN107891172B (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711418544.XA Active CN107891172B (en) | 2017-12-25 | 2017-12-25 | Machining die for combined clamp of engine cylinder cover and using method of machining die |
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| CN (1) | CN107891172B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11047781B2 (en) | 2019-01-30 | 2021-06-29 | Toyota Motor Engineering & Manufacturing North America, Inc. | Mounting jig assemblies for supporting test components on testing platforms of testing assemblies |
| CN113118522B (en) * | 2020-01-15 | 2022-10-18 | 汉达精密电子(昆山)有限公司 | Automatic milling thimble seal equipment |
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| CN201500894U (en) * | 2009-07-07 | 2010-06-09 | 无锡动力工程股份有限公司 | Compound mechanism clamp for processing diverse cylinder covers |
| CN103406783A (en) * | 2013-08-01 | 2013-11-27 | 芜湖永裕汽车工业有限公司 | Engine cylinder head end face drilling and milling method |
| CN105415023A (en) * | 2015-12-05 | 2016-03-23 | 重庆新红旗缸盖制造有限公司 | Cylinder cover valve line locating machining clamp |
| CN205394091U (en) * | 2016-03-08 | 2016-07-27 | 重庆颖熙科技有限公司 | Left -hand thread anchor clamps |
| CN207709948U (en) * | 2017-12-25 | 2018-08-10 | 杭州德曼汽车零部件有限公司 | Engine cylinder cap built-up jig processes work mould |
-
2017
- 2017-12-25 CN CN201711418544.XA patent/CN107891172B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05220639A (en) * | 1991-03-13 | 1993-08-31 | Nippei Toyama Corp | Work supporting device of operating machine |
| JPH07100719A (en) * | 1993-09-30 | 1995-04-18 | Suzuki Motor Corp | Workpiece mounting jig |
| CN201500894U (en) * | 2009-07-07 | 2010-06-09 | 无锡动力工程股份有限公司 | Compound mechanism clamp for processing diverse cylinder covers |
| CN103406783A (en) * | 2013-08-01 | 2013-11-27 | 芜湖永裕汽车工业有限公司 | Engine cylinder head end face drilling and milling method |
| CN105415023A (en) * | 2015-12-05 | 2016-03-23 | 重庆新红旗缸盖制造有限公司 | Cylinder cover valve line locating machining clamp |
| CN205394091U (en) * | 2016-03-08 | 2016-07-27 | 重庆颖熙科技有限公司 | Left -hand thread anchor clamps |
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