CN204771765U - Automobile -used clamping device of hydraulic cylinder cylinder end - Google Patents
Automobile -used clamping device of hydraulic cylinder cylinder end Download PDFInfo
- Publication number
- CN204771765U CN204771765U CN201520453548.1U CN201520453548U CN204771765U CN 204771765 U CN204771765 U CN 204771765U CN 201520453548 U CN201520453548 U CN 201520453548U CN 204771765 U CN204771765 U CN 204771765U
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- China
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- locating
- briquetting
- plate
- cylinder head
- clamping device
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Abstract
The utility model discloses automobile -used clamping device of hydraulic cylinder cylinder end relates to a lathe turning clamping device, comprising a base plate, the location mesa, the left side board, the right side board, locating component with compress tightly the subassembly, the bottom plate passes through chuck seat and is connected with the main shaft of lathe, the location mesa is by the bottom level extension formation forward of bottom plate, left side board and right side board set up the both sides at the location mesa respectively, locating component sets up on the board of left side and extends to between left side board and the right side board, compress tightly the top of subassembly location at left side board and right side board, be equipped with the holding ring on the mesa of location, it fixes a position in the holding ring of location mesa with internal hole positioning and plane locate mode to wait to process the work piece, can make clamp bolt drive the briquetting through the rotatory clamp bolt who compresses tightly the subassembly reciprocates, make the briquetting compress tightly or loosen and wait to process the work piece. The utility model discloses the effectual work efficiency that has improved, can be quick, accurate step up the location to the work piece, easy and simple to handle, reliable operation can realize the quick batch production of work piece.
Description
Technical field
The utility model relates to a kind of lathe turning clamping device, belongs to Machining Technology field.
Background technology
Hydraulic jack is at machinery industry, and particularly construction machinery industry is widely used.Realize the motion of various complexity for meeting Driven by Hydraulic Cylinder mechanism, location cylindrical installed by hydraulic pressure cylinder head and pin shaft hole requires higher position degree requirement.
At present, the processing of pin shaft hole generally adopts chuck to carry out clamping, and relies on manual synchronizing, adopts clamping workpiece in this way, at least needs the time of a hours just can complete the Set and Positioning of a workpiece.The maximum drawback of this kind of installation way is manual synchronizing not only inefficiency, increase the labour intensity of workman, and machining accuracy not easily ensures, unstable product quality, can not meet the production of part volume and high-precision requirement.
Summary of the invention
The purpose of this utility model be to provide a kind ofly to increase work efficiency, the automobile-used clamping device of the hydraulic oil cylinder head of accurate positioning, this device is easy and simple to handle, clamping and positioning can be carried out fast, accurately to workpiece, reliable operation, the rapid batch that can realize workpiece is produced, and solves above-mentioned background technology Problems existing.
The technical scheme that the utility model adopts for achieving the above object is: a kind of automobile-used clamping device of hydraulic oil cylinder head, comprise base plate, locating table, left plate, right plate, positioning component and holding down assembly, described base plate is connected with the main shaft of lathe by chuck seat, described locating table is extended to form by the bottom forward horizontal of base plate, left plate and right plate are separately positioned on the both sides of locating table, described positioning component to be arranged on left plate and to extend between left plate and right plate, described holding down assembly is positioned at the top of left plate and right plate, locating table is also provided with the locating ring for locating workpiece to be processed, workpiece to be processed is positioned in the locating ring of locating table with Internal hole positioning and plane positioning mode, described holding down assembly comprises cross bar, hold-down bolt, hold-down bolt locating support and briquetting, the two ends of cross bar are positioned on the upside of left plate and right plate respectively by bolt, and cross bar can move up and down by relative positioning bolt, the through hole for locating briquetting is provided with in the middle part of described cross bar, the upper end of briquetting is passed through hole and locates in through-holes by alignment pin, described hold-down bolt locating support is connected to the upper surface of cross bar and is arranged on the top of through hole, hold-down bolt passes hold-down bolt locating support from top to bottom and is connected with the screw of briquetting upper end, hold-down bolt can be made to drive briquetting to move up and down by rotatably compressing bolt, briquetting is made to compress or unclamp workpiece to be processed.
Further technical scheme of the present utility model is: described positioning component comprises mounting bracket, two guide rods, two guide pin bushings, location-plate and clamping screw, described mounting bracket is positioned at the outside of left plate, two guide pin bushings are separately positioned on the inner side of locating support, two guide rods are each passed through mounting bracket and guide pin bushing and extend to the inner side of left plate, location-plate is connected to two guide rod front ends, the rear end of described two guide rods is connected by connecting plate, described clamping screw passes the side of mounting bracket and is pressed on the guide rod through mounting bracket, two guide rods can drive location-plate to move between left plate and right plate along guide pin bushing synchronizing moving.
Further technical scheme of the present utility model is: described briquetting comprises briquetting main body and the pressure arm for compressing workpiece to be processed, pressure arm is tilted to extend to form to both sides by briquetting main body lower end, screw is arranged on the upper end of briquetting main body, briquetting main body also offers the locating hole of strip, briquetting is positioned in cross bar through locating hole by alignment pin.
Further technical scheme of the present utility model is: the below at described cross bar two ends is respectively arranged with spring, described spring is enclosed within bolt outer surface respectively, described locating ring is dismountable to be positioned on locating table, and the top end position of described base plate is also provided with for regulating dynamically balanced balancing weight.
Further technical scheme of the present utility model is: described chuck seat front end face protrudes and is provided with round boss, base plate rear end face is provided with the circular groove corresponding with round boss, and described chuck seat and base plate to be coordinated with circular groove by round boss locates and is bolted.
The automobile-used clamping device of the utility model hydraulic oil cylinder head, owing to adopting said structure, has following beneficial effect:
1, the automobile-used clamping device of the utility model hydraulic oil cylinder head effectively can improve the working (machining) efficiency of hydraulic oil cylinder head, this device is easy and simple to handle, can carry out clamping and positioning to workpiece fast, accurately, reliable operation, the high accuracy rapid batch that can realize workpiece is produced.
2, the automobile-used clamping device locating table of the utility model hydraulic oil cylinder head is provided with the locating ring for positioning workpieces, is coordinated with the cylindrical bottom workpiece by the endoporus of locating ring, and workpiece is positioned on locating table accurately; Locating ring is positioned on locating table by bolt is dismountable in addition, according to the corresponding locating ring of the workpiece replacing of different size, can realize a clamping device and can process the close workpiece of plurality of specifications, have good versatility.
3, the utility model is provided with positioning component, location-plate is made to be pressed on the side of workpiece to be processed by the guide rod promoting positioning component, because workpiece to be processed is positioned on locating table in the mode of Internal hole positioning and plane positioning, workpiece to be processed can only rotate and can not move in locating ring, when location-plate is pressed on the side of workpiece to be processed, workpiece to be processed turns to contact with locating piece and aligns in locating ring, ensure that the main shaft of workpiece and lathe is positioned on same axis, guarantee that location cylindrical installed by the hydraulic pressure cylinder head processed vertical with pin shaft hole, the machining accuracy of workpiece is guaranteed.
4, the automobile-used clamping device of the utility model hydraulic oil cylinder head limits cross bar stroke by adjustment bolt, to adapt to the workpiece of different size, rotatably compressing bolt again makes the pressure arm of briquetting be positioned at firmly in locating ring by hydraulic oil cylinder head, ensure that hydraulic oil cylinder head can not rotate or rock in Tutrning Process, ensure crudy; Meanwhile, the below at cross bar two ends is provided with the spring for support rail, when making dismounting, cross bar and briquetting can not move down because of Action of Gravity Field, but depart from surface of the work, can take out the hydraulic oil cylinder head processed very easily.
5, the automobile-used clamping device of the utility model hydraulic oil cylinder head by arranging the balancing weight of different size on base plate, dynamic balancing is kept when this device and lathe spindle can be made to rotate, can not shake when high-speed rotation, carrying out the rotating speed that can improve main shaft in Tutrning Process to workpiece, effectively raise working (machining) efficiency.
Be further described below in conjunction with the automobile-used clamping device of drawings and Examples to the utility model hydraulic oil cylinder head.
Accompanying drawing explanation
Fig. 1 is one of structural representation of the automobile-used clamping device of the utility model hydraulic oil cylinder head;
Fig. 2 is the structural representation two of the automobile-used clamping device of the utility model hydraulic oil cylinder head;
Fig. 3 is the front view (partial sectional view) of the automobile-used clamping device of hydraulic oil cylinder head shown in Fig. 1;
Fig. 4 is the side view (partial sectional view) of the automobile-used clamping device of hydraulic oil cylinder head shown in Fig. 1;
Fig. 5 is the structural representation of base plate shown in Fig. 1 and locating table;
Fig. 6 is the structural representation of hydraulic oil cylinder head;
Fig. 7 is the structural representation held down assembly shown in Fig. 1;
Fig. 8 is the sectional view held down assembly shown in Fig. 7;
Fig. 9 is the structural representation of briquetting shown in Fig. 7;
Figure 10 is the structural representation of chuck seat shown in Fig. 1;
Figure 11 is the schematic diagram of the other direction of base plate shown in Fig. 5 and locating table;
Drawing reference numeral illustrates: 1-chuck seat, 11-round boss, 2-base plate, 21-circular groove, 3-balancing weight, 4-holds down assembly, 41-hold-down bolt, 42-hold-down bolt locating support, 43-cross bar, 44-bolt, 45-briquetting, 451-pressure arm, 452-briquetting main body, 453-locating hole, 454-screw, 46-alignment pin, 47-spring, 5-right plate, 6-hydraulic oil cylinder head, 61-pin shaft hole, 62-locates cylindrical, 7-locating table, 71-locating ring, 8-positioning component, 81-location-plate, 82-guide pin bushing, 83-clamping screw, 84-guide rod, 85-connecting plate, 86-mounting bracket, 9-left plate, 10-lathe spindle.
Detailed description of the invention
As shown in Figures 1 to 4, the automobile-used clamping device of the utility model hydraulic oil cylinder head, comprise base plate 2, locating table 7, left plate 9, right plate 5, positioning component 8 and hold down assembly 4, described base plate 2 is connected with lathe spindle 10 by chuck seat 1, chuck seat 1 front end face protrudes and is provided with round boss 11, base plate 2 rear end face is provided with the circular groove 21(corresponding with round boss 11 as Figure 10, shown in Figure 11), described chuck seat 1 and base plate 2 to be coordinated with circular groove 21 by round boss 11 locates and is bolted, to be coordinated with circular groove 21 by round boss 11 and locate, make the axiality of clamping device of the present utility model and lathe spindle better, ensure the machining accuracy of workpiece.
As shown in Figure 5, described locating table 7 is extended to form by the bottom forward horizontal of base plate 2, left plate 9 and right plate 5 are separately positioned on the both sides of locating table 7, locating table 7 is also provided with the locating ring 71 for positioning hydraulic oil cylinder head 6, described locating ring 71 is dismountable to be positioned on locating table 7, hydraulic oil cylinder head 6 is positioned in the locating ring of locating table with Internal hole positioning and plane positioning mode, coordinated with the cylindrical bottom hydraulic oil cylinder head 6 by the endoporus of locating ring 71, make hydraulic oil cylinder head 6 accurate, be positioned at fast in the locating ring 71 of locating table 7.Use bolt to be positioned on locating table 7 by locating ring 71 in the present embodiment, the mode be threaded also can be adopted to be positioned on locating table 7 by locating ring 71.Locating ring is dismountable to be positioned on locating table, according to the corresponding locating ring of the workpiece replacing of different size, can realize a clamping device and can process the close workpiece of plurality of specifications, have good versatility.
Described positioning component 8 comprises mounting bracket 86, two guide rods 84, two guide pin bushings 82, location-plate 81 and clamping screw 83, described mounting bracket 86 is positioned at the outside of left plate 9, two guide pin bushings 82 are separately positioned on the inner side of locating support 86, two guide rods 84 are each passed through mounting bracket 86 and guide pin bushing 82 and extend to the inner side of left plate 9, location-plate 81 is connected to two guide rod 84 front ends, the rear end of described two guide rods 84 is connected by connecting plate 85, described clamping screw 83 passes the side of mounting bracket 86 and is pressed on the guide rod 84 through mounting bracket 86, two guide rods 84 can drive location-plate 81 to move between left plate 9 and right plate 5 along guide pin bushing 82 synchronizing moving.
Hydraulic oil cylinder head 6 to be processed is positioned on locating table 7, location-plate 81 is made to be pressed on the side of hydraulic oil cylinder head by the guide rod 84 promoting positioning component 8, because hydraulic oil cylinder head 6 is positioned on locating table 7 in the mode of Internal hole positioning, hydraulic oil cylinder head 6 can only rotate and can not move in locating ring 71, when location-plate 81 is pressed on the side of hydraulic oil cylinder head 6, hydraulic oil cylinder head 6 turns to contact with locating piece 81 and aligns in locating ring, now hydraulic oil cylinder head 6 is positioned on same axis with the main shaft of lathe, guarantee that location cylindrical 62 installed by the hydraulic pressure cylinder head 6 processed vertical with pin shaft hole 61, the machining accuracy of workpiece is guaranteed, finally tighten clamping screw 83 guide rod 84 is locked, prevent hydraulic oil cylinder head 6 from rotating in locating ring 71 in process.
As shown in Figure 7, Figure 8, described holding down assembly 4 comprises cross bar 43, hold-down bolt 41, hold-down bolt locating support 42 and briquetting 45, the two ends of cross bar 43 are positioned on the upside of left plate 9 and right plate 5 respectively by bolt 44, and cross bar 43 can move up and down by relative positioning bolt 44, in the middle part of described cross bar 43, be provided with the through hole for locating briquetting 45; Described briquetting 45 comprises briquetting main body 452 and the pressure arm 451 for compressing hydraulic oil cylinder head 6, pressure arm 451 is tilted to extend to form to both sides by briquetting main body 452 lower end, the upper end of briquetting main body 452 is provided with the screw 454 for being connected with hold-down bolt 41, briquetting main body 452 also offers the locating hole 453(of strip as shown in Figure 9), briquetting 45 is positioned in the through hole of cross bar 43 through locating hole 453 by alignment pin 46.Described hold-down bolt locating support 42 is connected to the upper surface of cross bar 43 and is arranged on the top of the through hole of cross bar 43, hold-down bolt 41 passes hold-down bolt locating support 42 from top to bottom and is connected with the screw 454 of briquetting 45 upper end, hold-down bolt 41 can be made to drive briquetting 45 to move up and down by rotatably compressing bolt 41, making the pressure arm 451 of briquetting 45 compress or unclamp hydraulic oil cylinder head 6.
After locating ring 71 and positioning component 4 have been located hydraulic oil cylinder head 6 to be processed, cross bar 43 and briquetting 45 is made to carry out pre-pressing to being positioned at the hydraulic oil cylinder head 6 held down assembly below 4 by adjustment bolt 44, rotatably compressing bolt 41 makes briquetting 45 move down, pressure arm 451 is pressed on hydraulic oil cylinder head 6 upper end, is pressed in locating ring 71 by hydraulic oil cylinder head 6.
For the ease of taking out the hydraulic oil cylinder head processed, the utility model is respectively arranged with spring 47 in the below at cross bar 43 two ends, and described spring 47 is enclosed within bolt 44 outer surface respectively.After unclamping bolt 44, owing to there being the support of spring 47, cross bar 43 and briquetting 45 can not move down because of Action of Gravity Field, can take out the hydraulic oil cylinder head processed very easily.
For keeping dynamic balancing when the automobile-used clamping device and lathe spindle that make the utility model hydraulic oil cylinder head rotate, be also provided with for regulating dynamically balanced balancing weight 3 at the top end position of base plate 2.By adjusting the weight of balancing weight, the utility model can not be shaken when high-speed rotation, the rotating speed that can improve main shaft in Tutrning Process being carried out to workpiece, effectively improves working (machining) efficiency.
Above embodiment is only preferred embodiment of the present utility model; structure of the present utility model is not limited to the form that above-described embodiment is enumerated; all any amendments, equivalent replacement etc. done within spirit of the present utility model and principle, all should be included within protection domain of the present utility model.
Claims (7)
1. the automobile-used clamping device of a hydraulic oil cylinder head, comprise base plate (2), locating table (7), left plate (9), right plate (5), positioning component (8) and hold down assembly (4), described base plate (2) is connected with the main shaft of lathe by chuck seat (1), described locating table (7) is extended to form by the bottom forward horizontal of base plate (2), left plate (9) and right plate (5) are separately positioned on the both sides of locating table (7), it is characterized in that, described positioning component (8) is arranged on left plate (9) and goes up and extend between left plate (9) and right plate (5), described hold down assembly (4) are positioned at the top of left plate (9) and right plate (5), locating table (7) is also provided with the locating ring (71) for locating workpiece to be processed, workpiece to be processed is positioned in the locating ring (71) of locating table (7) with Internal hole positioning and plane positioning mode, described hold down assembly (4) comprise cross bar (43), hold-down bolt (41), hold-down bolt locating support (42) and briquetting (45), the two ends of cross bar (43) are positioned at left plate (9) and right plate (5) upside respectively by bolt (44), and cross bar (43) can move up and down by relative positioning bolt (44), described cross bar (43) middle part is provided with the through hole for locating briquetting (45), the upper end of briquetting (45) through through hole also by alignment pin (46) location in through-holes, described hold-down bolt locating support (42) is connected to the upper surface of cross bar (43) and is arranged on the top of through hole, hold-down bolt (41) passes hold-down bolt locating support (42) from top to bottom and is connected with the screw (454) of briquetting (45) upper end, hold-down bolt (41) can be made to drive briquetting (45) to move up and down by rotatably compressing bolt (41), briquetting (45) is made to compress or unclamp workpiece to be processed.
2. the automobile-used clamping device of hydraulic oil cylinder head as claimed in claim 1, it is characterized in that, described positioning component (8) comprises mounting bracket (86), two guide rods (84), two guide pin bushings (82), location-plate (81) and clamping screw (83), described mounting bracket (86) is positioned at the outside of left plate (9), two guide pin bushings (82) are separately positioned on the inner side of locating support (86), two guide rods (84) are each passed through mounting bracket (86) and guide pin bushing (82) and extend to the inner side of left plate (9), location-plate (81) is connected to two guide rod (84) front ends, the rear end of described two guide rods (84) is connected by connecting plate (85), described clamping screw (83) through mounting bracket (86) side and be pressed on the guide rod (84) through mounting bracket (86), two guide rods (84) can drive location-plate (81) to move between left plate (9) and right plate (5) along guide pin bushing (82) synchronizing moving.
3. the automobile-used clamping device of hydraulic oil cylinder head as claimed in claim 1, it is characterized in that, described briquetting (45) comprises briquetting main body (452) and the pressure arm (451) for compressing workpiece to be processed, pressure arm (451) is tilted to extend to form to both sides by briquetting main body (452) lower end, screw (454) is arranged on the upper end of briquetting main body (452), briquetting main body (452) also offers the locating hole (453) of strip, briquetting (45) is positioned in cross bar (43) through locating hole (453) by alignment pin (46).
4. the automobile-used clamping device of hydraulic oil cylinder head as claimed in claim 1, it is characterized in that, the below at described cross bar (43) two ends is respectively arranged with spring (47), and described spring (47) is enclosed within bolt (44) outer surface respectively.
5. the automobile-used clamping device of hydraulic oil cylinder head as claimed in claim 1, it is characterized in that, described locating ring (71) is dismountable to be positioned on locating table (7).
6. the automobile-used clamping device of hydraulic oil cylinder head as claimed in claim 1, it is characterized in that, described chuck seat (1) front end face protrudes and is provided with round boss (11), base plate (2) rear end face is provided with the circular groove (21) corresponding with round boss (11), and described chuck seat (1) and base plate (2) to be coordinated with circular groove (21) by round boss (11) locates and is bolted.
7. the automobile-used clamping device of hydraulic oil cylinder head as claimed in claim 1, it is characterized in that, described base plate (2) top end position is also provided with for regulating dynamically balanced balancing weight (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520453548.1U CN204771765U (en) | 2015-06-26 | 2015-06-26 | Automobile -used clamping device of hydraulic cylinder cylinder end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520453548.1U CN204771765U (en) | 2015-06-26 | 2015-06-26 | Automobile -used clamping device of hydraulic cylinder cylinder end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204771765U true CN204771765U (en) | 2015-11-18 |
Family
ID=54511891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520453548.1U Expired - Fee Related CN204771765U (en) | 2015-06-26 | 2015-06-26 | Automobile -used clamping device of hydraulic cylinder cylinder end |
Country Status (1)
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|---|---|
| CN (1) | CN204771765U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271782A (en) * | 2016-10-27 | 2017-01-04 | 安徽安通机械有限公司 | The piston hole processing equipment of cylinder body in a kind of large-scale quartering hammer |
| CN106624619A (en) * | 2016-10-27 | 2017-05-10 | 安徽安通机械有限公司 | Anti-deformation turning and grinding machining method for cylinder block inner cavity |
| CN107186526A (en) * | 2017-07-18 | 2017-09-22 | 邢台中伟卓特液压科技有限公司 | Gear-box in-car hole tool |
| CN108406381A (en) * | 2018-04-27 | 2018-08-17 | 上海众源燃油分配器制造有限公司 | A kind of lathe hydraulic fixing device for the processing of stainless steel forging rail |
| CN108453542A (en) * | 2018-04-17 | 2018-08-28 | 无锡德申精密机械制造有限公司 | A kind of lathe dog for irregular shape valve body |
| CN108723438A (en) * | 2018-07-28 | 2018-11-02 | 蚌埠液力机械有限公司 | A kind of processing unit (plant) and its processing method of hydraulic cylinder casting cylinder bottom fuel feed hole |
| CN113084561A (en) * | 2021-03-23 | 2021-07-09 | 徐州徐工传动科技有限公司 | Thin-wall box body clamp mechanism |
| CN113084556A (en) * | 2021-04-30 | 2021-07-09 | 章丘市宝华锻造有限公司 | Oil cylinder head milling tool and clamping method |
| CN113084464A (en) * | 2021-04-30 | 2021-07-09 | 章丘市宝华锻造有限公司 | Method for machining cylinder head of oil cylinder |
| CN113290401A (en) * | 2021-06-08 | 2021-08-24 | 浙江中柴机器有限公司 | Reverse-pulling type clamp device for machining thin-wall gearbox body |
| CN113305616A (en) * | 2021-06-10 | 2021-08-27 | 孟令洋 | Special lathe fixture for processing inner hole and end face of telescope-shaped workpiece |
-
2015
- 2015-06-26 CN CN201520453548.1U patent/CN204771765U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271782A (en) * | 2016-10-27 | 2017-01-04 | 安徽安通机械有限公司 | The piston hole processing equipment of cylinder body in a kind of large-scale quartering hammer |
| CN106624619A (en) * | 2016-10-27 | 2017-05-10 | 安徽安通机械有限公司 | Anti-deformation turning and grinding machining method for cylinder block inner cavity |
| CN107186526A (en) * | 2017-07-18 | 2017-09-22 | 邢台中伟卓特液压科技有限公司 | Gear-box in-car hole tool |
| CN108453542A (en) * | 2018-04-17 | 2018-08-28 | 无锡德申精密机械制造有限公司 | A kind of lathe dog for irregular shape valve body |
| CN108406381A (en) * | 2018-04-27 | 2018-08-17 | 上海众源燃油分配器制造有限公司 | A kind of lathe hydraulic fixing device for the processing of stainless steel forging rail |
| CN108723438A (en) * | 2018-07-28 | 2018-11-02 | 蚌埠液力机械有限公司 | A kind of processing unit (plant) and its processing method of hydraulic cylinder casting cylinder bottom fuel feed hole |
| CN113084561A (en) * | 2021-03-23 | 2021-07-09 | 徐州徐工传动科技有限公司 | Thin-wall box body clamp mechanism |
| CN113084556A (en) * | 2021-04-30 | 2021-07-09 | 章丘市宝华锻造有限公司 | Oil cylinder head milling tool and clamping method |
| CN113084464A (en) * | 2021-04-30 | 2021-07-09 | 章丘市宝华锻造有限公司 | Method for machining cylinder head of oil cylinder |
| CN113290401A (en) * | 2021-06-08 | 2021-08-24 | 浙江中柴机器有限公司 | Reverse-pulling type clamp device for machining thin-wall gearbox body |
| CN113305616A (en) * | 2021-06-10 | 2021-08-27 | 孟令洋 | Special lathe fixture for processing inner hole and end face of telescope-shaped workpiece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20180626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |