CN205110907U - Digit control machine tool graduation cutter head - Google Patents
Digit control machine tool graduation cutter head Download PDFInfo
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- CN205110907U CN205110907U CN201520949787.6U CN201520949787U CN205110907U CN 205110907 U CN205110907 U CN 205110907U CN 201520949787 U CN201520949787 U CN 201520949787U CN 205110907 U CN205110907 U CN 205110907U
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Abstract
The utility model discloses a digit control machine tool graduation cutter head belongs to the numerical control machine tool technical field, including the main shaft, this digit control machine tool graduation cutter head still includes the main shaft casing, a rotation driving device is connected to the main shaft casing, the main shaft rotate install in in the main shaft casing, the bottom detachable of main shaft casing installs the angle head. The utility model provides a digit control machine tool graduation cutter head can realize pentahedron processing on vertical machining center, simple structure is with low costs, save the non - cutting time, improve production efficiency.
Description
Technical field
The utility model belongs to numerical control machine tool technique field, particularly relates to one and is applicable to process pentahedral Digit Control Machine Tool calibration milling head.
Background technology
Vertical machining centre is the one of Digit Control Machine Tool, it refers to that main shaft is the machining center of plumbness, its version mostly is vertical columns, workbench is rectangle, without calibration revolute function, be applicable to processing dish, cover, plate parts, it generally has three rectilinear motion reference axis, and a panoramic table along horizontal rotational shaft can be installed on the table, in order to process helix class part.Vertical machining centre is installed conveniently, convenient operation, and be easy to observe processing situation, debugging routine is easy, is widely used.
At present, according to usage quantity, the vertical machining center type of what use amount was larger is three-shaft linkage.This Cutter Body Processing with Machining Center is comparatively single, only the facade operation of processing work, in order to improve its working ability and its processing characteristics of expansion, is generally realized by the form of installing accessory.
Angle head is a kind of machine tool accessories, on lathe after setting angle head, cutter rotation centerline can processing work angled with main shaft rotation centerline, use angle head, just its range of work and adaptability can be increased without the need to changing machine tool structure, the processing that some conventional methods have been difficult to is achieved, and can reduce workpiece repeated clamping, improves working (machining) efficiency and precision.
But, even if existing vertical machining centre installs angle head additional also cannot realize five-sided machining.After five-sided machining refers to workpiece clamped one time, the processing in five faces except installing bottom surface can be carried out.
In addition, existing angle head is is normally loaded and unloaded by multiple securing member such as bolt etc., and when dismounting angle head, need rely on and load and unload manually, cause the non-cutting time long, working (machining) efficiency is low.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of Digit Control Machine Tool calibration milling head, can realize five-sided machining in vertical machining centre, and structure is simple, and cost is low.
For solving the problems of the technologies described above, the technical solution of the utility model is: Digit Control Machine Tool calibration milling head, comprise main shaft, described Digit Control Machine Tool calibration milling head also comprises main shaft housing, described main shaft housing connects a rotating driving device, described main axis is installed in described main shaft housing, and the bottom of described main shaft housing is dismountable is provided with angle head.
Improve as one, described main shaft housing into rotation is installed in the ram of described Digit Control Machine Tool.
As further improvement, described rotating driving device comprises servomotor, and the clutch end of described servomotor to be in transmission connection the cylinder body of oil cylinder of forging a knife by gear pair, described in the forge a knife cylinder body of oil cylinder be fixedly connected with described main shaft housing.
As further improvement, be provided with hydraulic locking apparatus between described main shaft housing and ram, described hydraulic locking apparatus comprises:
Be fixedly mounted on the calibration fluted disc on described main shaft housing;
Be arranged on the fixed gear plate in the outside of described calibration fluted disc, described fixed gear plate is fixedly installed on described ram;
Locking cylinder, the cylinder body of described locking cylinder is fixedly installed on described fixed gear plate, and the piston of described locking cylinder is provided with the stop fluted disc corresponding with described calibration fluted disc and fixed gear plate.
As further improvement, the outside of described main shaft housing is arranged with a gripping sleeve, described gripping sleeve is fixedly installed on described ram, forms an airtight hydraulic fluid chamber between described gripping sleeve and described ram, and described ram is provided with the oil-in communicated with described hydraulic fluid chamber.
Improve as one, the bottom of described main shaft housing captures the described angle head of the dismountable installation of angle head device by several.
As further improvement, each described crawl angle head device includes:
Be fixedly installed in the first blind rivet on described angle head;
First hydraulic cylinder, the cylinder body of described first hydraulic cylinder is fixedly installed in described main shaft housing;
Be slidably mounted on the pull bar in the cylinder body of described first hydraulic cylinder, the upper end of described pull bar connects the piston of described first hydraulic cylinder;
Be located at the jaw for clamping or unclamp described first blind rivet of described pull bar lower end;
Elastomer is provided with between the piston of described first hydraulic cylinder and cylinder body.
As further improvement, each described crawl angle head device includes:
Be fixedly installed in the second blind rivet on described angle head;
Second hydraulic cylinder, the cylinder body of described second hydraulic cylinder is fixedly installed on described main shaft housing, the cavity that one holds the piston of described second hydraulic cylinder is formed outside the cylinder body of described second hydraulic cylinder and between described main shaft housing, the installing hole suitable with described second blind rivet is provided with inside the cylinder body of described second hydraulic cylinder, the cylinder body of described second hydraulic cylinder is radially slidably fitted with several for clamping or unclamp the lock ball of described second blind rivet, each described lock ball all offsets with the piston of described second hydraulic cylinder.
After have employed technique scheme, the beneficial effects of the utility model are: because Digit Control Machine Tool calibration milling head comprises main shaft, described Digit Control Machine Tool calibration milling head also comprises main shaft housing, described main shaft housing connects a rotating driving device, described main axis is installed in described main shaft housing, and the bottom of described main shaft housing is dismountable is provided with angle head, thus when being pulled down by angle head, cutter directly can be installed on main shaft, complete the processing in workpiece portion face; When angle head is installed on main shaft housing, can cutter be installed on angle head, drive main shaft housing and angle head to rotate by rotating driving device, thus the circumferential position of adjustment cutter, the processing in the residue face of workpiece except bottom surface can be completed, and then realize five-sided machining.The Digit Control Machine Tool calibration milling head that the utility model provides, can realize five-sided machining in vertical machining centre, and structure is simple, and cost is low.
Because described main shaft housing into rotation is installed in described ram, the length of Digit Control Machine Tool calibration milling head can be shortened, make the installation of Digit Control Machine Tool calibration milling head take up room little, increase the scope of application.
Because described rotating driving device comprises servomotor, the clutch end of described servomotor to be in transmission connection the cylinder body of oil cylinder of forging a knife by gear pair, described in the forge a knife cylinder body of oil cylinder be fixedly connected with described main shaft housing, make rotating driving device structure simple.
Owing to being provided with hydraulic locking apparatus between described main shaft housing and ram, described hydraulic locking apparatus comprises calibration fluted disc, fixed gear plate, locking cylinder and stop fluted disc, thus after main shaft housing into rotation puts in place, hydraulic oil enters locking cylinder and makes its piston movement, stop fluted disc is pressed on calibration fluted disc and fixed gear plate, and then locking main shaft housing, prevent in process, main shaft housing rotates.
Because the outside of described main shaft housing is arranged with a gripping sleeve, described gripping sleeve is fixedly installed on described ram, an airtight hydraulic fluid chamber is formed between described gripping sleeve and described ram, described ram is provided with the oil-in communicated with described hydraulic fluid chamber, adding man-hour, hydraulic oil is entered in hydraulic fluid chamber by oil-in and gripping sleeve is out of shape, and holds main shaft housing tightly, thus eliminate the shake of main shaft housing, substantially increase machining accuracy.
Because each described crawl angle head device includes the first blind rivet, the first hydraulic cylinder, pull bar, jaw and elastomer, thus when setting angle head, the piston of all first hydraulic cylinders is moved down, thus drive pull bar and jaw to move down, jaw is unclamped, the first blind rivet on angle head is loaded corresponding jaw, then made by elastomer the piston of all first hydraulic cylinders moves, make jaw clamp the first blind rivet, thus make angle head be fixed on main shaft housing; Adopt crawl angle head device to instead of existing securing member, save the non-cutting time long, substantially increase working (machining) efficiency.
Because each described crawl angle head device includes the second blind rivet, the second hydraulic cylinder and several lock balls, thus when setting angle head, the piston of all second hydraulic cylinders is moved down, thus lock ball is ejected, second blind rivet of angle head is loaded in installing hole, then make the piston of all second hydraulic cylinders moves, thus make lock ball clamp the second blind rivet, thus angle head is fixed on main shaft housing; Adopt crawl angle head device to instead of existing securing member, save the non-cutting time long, substantially increase working (machining) efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation after angle head is pulled down by the utility model embodiment one;
Fig. 3 is the relative position schematic diagram of ram in the utility model embodiment two, angle head and crawl angle head device;
Fig. 4 is A place close-up schematic view in Fig. 3;
In figure: 1, main shaft, 2, main shaft housing, 3, rotating driving device, 31, servomotor, 32, to forge a knife the cylinder body of oil cylinder, 33, driving gear, 34, driven gear, 4, angle head, 5, ram, 6, capture angle head device, 61, first blind rivet, 62, first hydraulic cylinder, 621, cylinder body, 622, piston, 623, shoulder hole, 63, pull bar, 64, jaw, 65, disk spring, 7, hydraulic locking apparatus, 71, calibration fluted disc, 72, fixed gear plate, 73, locking cylinder, 731, cylinder body, 732, piston, 74, stop fluted disc, 8, gripping sleeve, 9, hydraulic fluid chamber, 10, capture angle head device, 101, second blind rivet, 102, second hydraulic cylinder, 103, cylinder body, 104, piston, 106, lock ball, 107, annular groove.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment one
As Fig. 1 and Fig. 2 jointly shown in, a kind of Digit Control Machine Tool calibration milling head, comprise main shaft 1, this Digit Control Machine Tool calibration milling head also comprises main shaft housing 2, main shaft housing 2 connects a rotating driving device 3, main shaft 1 rotates and is installed in main shaft housing 2, and the bottom of main shaft housing 2 is dismountable is provided with angle head 4, and angle head 4 is preferably right-angle milling head.
In order to shorten the length of Digit Control Machine Tool calibration milling head, main shaft housing 2 rotates and is installed in the ram 5 of Digit Control Machine Tool, and the installation of Digit Control Machine Tool calibration milling head can be made to take up room little, increases the scope of application.
The bottom of main shaft housing 2 captures the dismountable setting angle head 4 of angle head device 6 by several, and in the present embodiment, capturing angle head device 6 has four, and four capture the center line annular array of angle head device 6 along main shaft 1.
Each crawl angle head device 6 includes: be fixedly installed in the first blind rivet 61 on angle head 4; The cylinder body 621 of the first hydraulic cylinder 62, first hydraulic cylinder 62 is fixedly installed in main shaft housing 2; Be slidably mounted on the pull bar 63 in the cylinder body 621 of the first hydraulic cylinder 62, the upper end of pull bar 63 connects the piston 622 of the first hydraulic cylinder 62; Be located at the jaw 64 for clamping or unclamp the first blind rivet 61 of pull bar 63 lower end, preferably, in cylinder body 621, be provided with shoulder hole 623, jaw 64 is slidably mounted in shoulder hole 623, certainly, other forms also can be adopted to realize the clamping of jaw 64 or unclamp, do not repeat them here; Be provided with elastomer between the piston 622 of the first hydraulic cylinder 62 and cylinder body 621, in the present embodiment, elastomer is multiple disk springs 65, and each disk spring 65 is all set on pull bar 63.
Above-mentioned rotating driving device 3 comprises servomotor 31, the clutch end of servomotor 31 to be in transmission connection the cylinder body 32 of oil cylinder of forging a knife by gear pair, gear pair comprises the driving gear 33 be arranged on servomotor 31 output shaft and the driven gear 34 be arranged on the cylinder body 32 of oil cylinder of forging a knife, in the present embodiment, the cylinder body 32 of driven gear 34 and oil cylinder of forging a knife is fixed together, the cylinder body 32 of oil cylinder of forging a knife is fixedly connected with main shaft housing 2, makes rotating driving device 3 structure simple.
Certainly, above-mentioned rotating driving device 3 also can adopt Chinese utility model patent CN203804640U disclosed for the first power set in five axle unit head A axles of CNC milling machine and the drive unit of C axle, the rotation of main shaft housing 2 can be realized, do not repeat them here.
Be provided with hydraulic locking apparatus 7 between above-mentioned main shaft housing 2 and ram 5, hydraulic locking apparatus 7 comprises: be fixedly mounted on the calibration fluted disc 71 on main shaft housing 2; Be arranged on the fixed gear plate 72 in the outside of calibration fluted disc 71, fixed gear plate 72 is fixedly installed on ram 5; Locking cylinder 73, the cylinder body 731 of locking cylinder 73 is fixedly installed on fixed gear plate 72, and the piston 732 of locking cylinder 73 is provided with the stop fluted disc 74 corresponding with calibration fluted disc 71 and fixed gear plate 72.
The outside of main shaft housing 2 is arranged with a gripping sleeve 8, and gripping sleeve 8 is fixedly installed on ram 5, and form an airtight hydraulic fluid chamber 9 between gripping sleeve 8 and ram 5, ram 5 is provided with the oil-in (not shown) communicated with hydraulic fluid chamber 9.
Its operation principle is as follows:
When angle head 4 is pulled down, cutter (not shown) directly can be installed on main shaft 1, complete the processing in workpiece portion face.
When processing residue face except the base, angle head 4 is needed to install on main shaft housing 2, when setting angle head 4, the piston 622 of all first hydraulic cylinders 62 is moved down, thus drive pull bar 63 and jaw 64 to move down, when jaw 64 is displaced downwardly to the large chamber of shoulder hole 623, jaw 64 unclamps, the first blind rivet 61 on angle head 4 is loaded corresponding jaw 64, then made by elastomer the piston 622 of all first hydraulic cylinders 62 moves, when jaw 64 moving to the loculus of shoulder hole 623, jaw 64 clamps the first blind rivet 61, thus make angle head 4 be fixed on main shaft housing 2, adopt crawl angle head device 6 to instead of existing securing member, save the non-cutting time long, substantially increase working (machining) efficiency.
When angle head 4 installs to after on main shaft housing 2, now cutter can be installed on angle head 4, the processing in the residue face of workpiece except bottom surface can be completed, and then realize five-sided machining.
Concrete, when needing the circumferential position adjusting cutter, starting servomotor 31, driving the cylinder body 32 of oil cylinder of forging a knife to rotate by gear pair, and then drive main shaft housing 2 rotation together with angle head 4 to carry out calibration, after forwarding assigned address to, servomotor 31 stops, and hydraulic oil enters locking cylinder 73 makes its piston 732 move, stop fluted disc 74 is pressed on calibration fluted disc 71 and fixed gear plate 72, and then locking main shaft housing 2, prevent in process, main shaft housing 2 rotates.
Resistance to cutting or reaction force acts can be produced on main shaft housing 2 in cutting process, main shaft housing 2 is caused to be shaken, adding man-hour, in hydraulic fluid chamber 9, hydraulic oil is passed into by oil-in, gripping sleeve 8 is out of shape, hold main shaft housing 2 tightly, thus eliminate the shake of main shaft housing 2, substantially increase machining accuracy.
Embodiment two
The present embodiment is substantially identical with embodiment one, and its difference is, as Fig. 3 and Fig. 4 jointly shown in, each crawl angle head device 10 includes: be fixedly installed in the second blind rivet 101 on angle head 4; Second hydraulic cylinder 102, the cylinder body 103 of the second hydraulic cylinder 102 is fixedly installed on main shaft housing 2, the cavity that one holds the piston 104 of the second hydraulic cylinder 102 is formed outside the cylinder body 103 of the second hydraulic cylinder 102 and between main shaft housing 2, the installing hole (in figure do not mark) suitable with the second blind rivet 101 is provided with inside the cylinder body 103 of the second hydraulic cylinder 102, the cylinder body 103 of the second hydraulic cylinder 102 is radially slidably fitted with several for clamping or unclamp the lock ball 106 of the second blind rivet 101, each lock ball 106 all offsets with the piston 104 of the second hydraulic cylinder 102.
The surface that piston 104 contacts with lock ball 106 is variable diameters surface.
In order to make reliable clamping, the second blind rivet 101 is provided with the annular groove 107 suitable with lock ball 106.
In order to prevent lock ball 106 from deviating from from the cylinder body 103 of the second hydraulic cylinder 102, the lock ball sliding eye on cylinder body 103 is variable diameters hole, and on cylinder body 103, the aperture of inner side is less than the diameter of lock ball 106.
When setting angle head 4, the piston 104 of all second hydraulic cylinders 102 is moved down, thus lock ball 106 is outwards ejected, second blind rivet 101 of angle head 4 is loaded in installing hole, then make the piston 104 of all second hydraulic cylinders 102 moves, thus make lock ball 106 clamp the second blind rivet 101, thus angle head 4 is fixed on main shaft housing 2; Adopt crawl angle head device to instead of existing securing member, save the non-cutting time long, substantially increase working (machining) efficiency.
The Digit Control Machine Tool calibration milling head that the utility model provides, can realize five-sided machining in vertical machining centre, and structure is simple, and cost is low; Save the non-cutting time, enhance productivity.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. Digit Control Machine Tool calibration milling head, comprises main shaft, it is characterized in that, described Digit Control Machine Tool calibration milling head also comprises main shaft housing, described main shaft housing connects a rotating driving device, and described main axis is installed in described main shaft housing, and the bottom of described main shaft housing is dismountable is provided with angle head.
2. Digit Control Machine Tool calibration milling head according to claim 1, is characterized in that, described main shaft housing into rotation is installed in the ram of described Digit Control Machine Tool.
3. Digit Control Machine Tool calibration milling head according to claim 2, it is characterized in that, described rotating driving device comprises servomotor, and the clutch end of described servomotor to be in transmission connection the cylinder body of oil cylinder of forging a knife by gear pair, described in the forge a knife cylinder body of oil cylinder be fixedly connected with described main shaft housing.
4. Digit Control Machine Tool calibration milling head according to claim 3, is characterized in that, be provided with hydraulic locking apparatus between described main shaft housing and ram, described hydraulic locking apparatus comprises:
Be fixedly mounted on the calibration fluted disc on described main shaft housing;
Be arranged on the fixed gear plate in the outside of described calibration fluted disc, described fixed gear plate is fixedly installed on described ram;
Locking cylinder, the cylinder body of described locking cylinder is fixedly installed on described fixed gear plate, and the piston of described locking cylinder is provided with the stop fluted disc corresponding with described calibration fluted disc and fixed gear plate.
5. Digit Control Machine Tool calibration milling head according to claim 4, it is characterized in that, the outside of described main shaft housing is arranged with a gripping sleeve, described gripping sleeve is fixedly installed on described ram, form an airtight hydraulic fluid chamber between described gripping sleeve and described ram, described ram is provided with the oil-in communicated with described hydraulic fluid chamber.
6. according to the Digit Control Machine Tool calibration milling head in claim 1 to 5 described in any one claim, it is characterized in that, the bottom of described main shaft housing captures the described angle head of the dismountable installation of angle head device by several.
7. Digit Control Machine Tool calibration milling head according to claim 6, is characterized in that, each described crawl angle head device includes:
Be fixedly installed in the first blind rivet on described angle head;
First hydraulic cylinder, the cylinder body of described first hydraulic cylinder is fixedly installed in described main shaft housing;
Be slidably mounted on the pull bar in the cylinder body of described first hydraulic cylinder, the upper end of described pull bar connects the piston of described first hydraulic cylinder;
Be located at the jaw for clamping or unclamp described first blind rivet of described pull bar lower end;
Elastomer is provided with between the piston of described first hydraulic cylinder and cylinder body.
8. Digit Control Machine Tool calibration milling head according to claim 6, is characterized in that, each described crawl angle head device includes:
Be fixedly installed in the second blind rivet on described angle head;
Second hydraulic cylinder, the cylinder body of described second hydraulic cylinder is fixedly installed on described main shaft housing, the cavity that one holds the piston of described second hydraulic cylinder is formed outside the cylinder body of described second hydraulic cylinder and between described main shaft housing, the installing hole suitable with described second blind rivet is provided with inside the cylinder body of described second hydraulic cylinder, the cylinder body of described second hydraulic cylinder is radially slidably fitted with several for clamping or unclamp the lock ball of described second blind rivet, each described lock ball all offsets with the piston of described second hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520949787.6U CN205110907U (en) | 2015-11-25 | 2015-11-25 | Digit control machine tool graduation cutter head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520949787.6U CN205110907U (en) | 2015-11-25 | 2015-11-25 | Digit control machine tool graduation cutter head |
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| CN205110907U true CN205110907U (en) | 2016-03-30 |
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| CN201520949787.6U Active CN205110907U (en) | 2015-11-25 | 2015-11-25 | Digit control machine tool graduation cutter head |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106378481A (en) * | 2016-12-08 | 2017-02-08 | 沈机集团昆明机床股份有限公司 | Milling head applied to numerical control machine tool, and numerical control machine tool |
| CN110170692A (en) * | 2019-07-22 | 2019-08-27 | 江苏新瑞重工科技有限公司 | The installation aligning method of oil cylinder mechanism, milling head automatic tension and back-off assembly and the device |
| CN110560769A (en) * | 2019-10-10 | 2019-12-13 | 雷亿尔精密机械科技(常州)有限公司 | self-pulling type right-angle milling head and multifunctional head comprising same |
| CN112276190A (en) * | 2020-10-15 | 2021-01-29 | 周云 | Double-piston indexing milling head |
| CN112276191A (en) * | 2020-10-15 | 2021-01-29 | 周云 | Cutter head with cutter head indexing fluted disc and cutter head rotating fluted disc matched and positioned |
| CN112276189A (en) * | 2020-10-15 | 2021-01-29 | 周云 | Oil receiving pressure plate of vertical milling machine |
| CN112720061A (en) * | 2020-12-15 | 2021-04-30 | 山西江淮重工有限责任公司 | Connecting mechanism for indexing of machine tool angle head with indexing value of 5 degrees |
-
2015
- 2015-11-25 CN CN201520949787.6U patent/CN205110907U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106378481A (en) * | 2016-12-08 | 2017-02-08 | 沈机集团昆明机床股份有限公司 | Milling head applied to numerical control machine tool, and numerical control machine tool |
| CN106378481B (en) * | 2016-12-08 | 2018-06-01 | 沈机集团昆明机床股份有限公司 | For the milling head and numerically-controlled machine tool of numerically-controlled machine tool |
| CN110170692A (en) * | 2019-07-22 | 2019-08-27 | 江苏新瑞重工科技有限公司 | The installation aligning method of oil cylinder mechanism, milling head automatic tension and back-off assembly and the device |
| CN110170692B (en) * | 2019-07-22 | 2019-10-15 | 江苏新瑞重工科技有限公司 | Oil cylinder mechanism, milling head automatic tension and back-off assembly and its installation aligning method |
| CN110560769A (en) * | 2019-10-10 | 2019-12-13 | 雷亿尔精密机械科技(常州)有限公司 | self-pulling type right-angle milling head and multifunctional head comprising same |
| CN110560769B (en) * | 2019-10-10 | 2024-04-26 | 雷亿尔精密机械科技(常州)有限公司 | Self-pulling right-angle milling head and multifunctional head comprising same |
| CN112276190A (en) * | 2020-10-15 | 2021-01-29 | 周云 | Double-piston indexing milling head |
| CN112276191A (en) * | 2020-10-15 | 2021-01-29 | 周云 | Cutter head with cutter head indexing fluted disc and cutter head rotating fluted disc matched and positioned |
| CN112276189A (en) * | 2020-10-15 | 2021-01-29 | 周云 | Oil receiving pressure plate of vertical milling machine |
| CN112720061A (en) * | 2020-12-15 | 2021-04-30 | 山西江淮重工有限责任公司 | Connecting mechanism for indexing of machine tool angle head with indexing value of 5 degrees |
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Effective date of registration: 20161124 Address after: 261500 Gaomi City Province, Weifang City, the road west of the three real security North Avenue, North Patentee after: Gaomi Hongtai Machine Manufacturing Co., Ltd. Address before: 261501 Shandong city of Weifang province Gaomi City Bai town Shandong Hongtai mechanical Polytron Technologies Inc Patentee before: Shandong Hongtai Machinery Technology Co., Ltd. |