CN110757213A - Multi-station vertical machining center four-axis hydraulic clamp - Google Patents
Multi-station vertical machining center four-axis hydraulic clamp Download PDFInfo
- Publication number
- CN110757213A CN110757213A CN201911213468.8A CN201911213468A CN110757213A CN 110757213 A CN110757213 A CN 110757213A CN 201911213468 A CN201911213468 A CN 201911213468A CN 110757213 A CN110757213 A CN 110757213A
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- positioning
- assembly
- clamping
- axis
- machining center
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/061—Work-clamping means adapted for holding a plurality of workpieces
Abstract
The invention discloses a four-axis hydraulic clamp of a multi-station vertical machining center, which comprises a rotary worktable arranged on a machine tool worktable, wherein the rotary worktable is provided with positioning and clamping components and pre-positioning components, and the pre-positioning components are respectively connected between two adjacent positioning and clamping components and between the rotary worktable and the adjacent positioning and clamping components. The invention relates to a four-axis hydraulic clamp of a vertical machining center, wherein a workpiece is vertically arranged, a Y-axis positioning surface is constructed by three points in four process positioning surfaces of the workpiece, the limitation of 6 degrees of freedom is realized, an auxiliary support is arranged, the machining stability is improved, a spring positioning pin assembly is adopted to determine the axis position of the workpiece X, Z, and a clamp is arranged at the corresponding positions of a positioning point and the auxiliary support point to clamp the workpiece.
Description
Technical Field
The invention relates to the technical field of hydraulic clamps, in particular to a four-shaft hydraulic clamp of a multi-station vertical machining center.
Background
The existing machining method is generally a single-station machining center hydraulic clamp, a workpiece is horizontally placed and is positioned by adopting a surface-pin method, a positioning surface and an auxiliary support are arranged below the workpiece, and a clamp is arranged above the workpiece to clamp the workpiece. The clamp can only process one workpiece each time, so that the processing efficiency is difficult to improve, and the overall size and weight are large; the fixture does not reliably pre-position three shafts of the workpiece X, Y, Z, manual alignment is needed when the workpiece is placed, the placing difficulty is high, and the workpiece cannot be accurately positioned easily; because of no reliable pre-positioning, the clamp needs a larger space in the vertical direction (Z axis), so that the travel of the clamp is large.
In the process of research and design, the company experiences a plurality of difficulties:
firstly, the push-pull oil cylinder pushes the right clamping component to move left, the right clamping component is contacted with the pre-positioning component to drive the pre-positioning component to move left together, the pre-positioning component is contacted with the positioning component to drive the positioning component to move left together, the right clamping component is pushed against the left once, and the return position is driven by the chain when the push-pull oil cylinder is loosened, but the scheme has the following problems: 1. the stroke of the push-pull oil cylinder is very large; 2. errors exist in the thickness of a workpiece blank, and the accumulated errors can cause poor machining precision; 3. the oil circuit needs to be provided with an exposed pipe.
Then, the push-pull oil cylinder pushes the right clamping assembly, the remaining three groups of clamping assemblies are driven to move left through the T-shaped guide rail, the clamping assemblies contact the pre-positioning assembly after moving for a certain distance, the pre-positioning assembly is driven to move left to the positioning assembly, and the clamping oil cylinder and the auxiliary support clamp the workpiece; when the device is loosened, the push-pull oil cylinder firstly drives the clamping component to move rightwards, and drives the pre-positioning component to move rightwards together after moving for a certain distance, but the scheme has the following problems: the T-shaped guide rail is too long and has high processing difficulty; 2. the oil distribution is complicated, and the response speed of the oil cylinder is influenced; 3. and each group of three pushing rods cannot simultaneously contact the workpiece under the influence of workpiece blank errors.
Disclosure of Invention
The invention provides a four-shaft hydraulic clamp of a multi-station vertical machining center, aiming at solving the problems.
In order to solve the technical problems, the technical scheme of the invention is as follows: the four-axis hydraulic clamp of the multi-station vertical machining center comprises a rotary worktable arranged on a machine tool worktable, positioning and clamping components and pre-positioning components are arranged on the rotary worktable, and one pre-positioning component is connected between two adjacent positioning and clamping components and between the rotary worktable and the adjacent positioning and clamping components;
the rotary working table comprises a rotary table, a tailstock, a positioning assembly, a clamping assembly, a bridge plate, a rotary joint and a T-shaped guide rail, wherein the bridge plate is connected between the rotary table and the tailstock, the positioning assembly, the clamping assembly and the T-shaped guide rail are fixedly arranged on the bridge plate, the positioning assembly is fixed on the inner side of the tailstock, the clamping assembly is fixed on the inner side of the rotary table, the clamping assembly is connected with the rotary joint, and the rotary joint is positioned on the outer side of the rotary table;
the positioning assembly comprises a plurality of groups of positioning seats, a spring positioning pin assembly and an auxiliary support;
the clamping assembly comprises a plurality of main clamping oil cylinders, auxiliary clamping oil cylinders and push-pull oil cylinders;
the positioning and clamping assembly comprises a positioning assembly, a clamping assembly and a clamping and positioning substrate, wherein the positioning assembly is arranged on one side of the clamping and positioning substrate, and the clamping assembly is arranged on the other side of the clamping and positioning substrate;
the spring positioning pin assembly comprises an adjusting cushion block, an adjusting gasket, a positioning pin base, a positioning taper pin, a first set screw, a first nut and a first spring, wherein the first spring is installed in the positioning pin base;
the pre-positioning assembly comprises a movable base plate, an X-axis limiting plate, a Y-axis limiting plate, a Z-axis limiting assembly and a push-pull block, wherein the X-axis limiting plate, the Z-axis limiting assembly and the push-pull block are mounted on the movable base plate;
the Z-axis limiting assembly comprises a base, a pin shaft, a top block, a screw, a second set screw, a second nut and a second spring, the second spring is installed in an inner cavity in the bottom of the pin shaft, the bottom of the pin shaft is installed in the base and limited by the second set screw and the second nut, and the top of the pin shaft is sleeved with the top block through the screw.
Furthermore, the bridge plate is positioned through a pin shaft, and a bolt is combined and is respectively connected with the positioning assembly and the clamping assembly.
Furthermore, a limiting block is arranged on the positioning substrate.
Furthermore, the positioning assembly is fixed on the inner side of the tailstock through the positioning substrate, the positioning seat and the spring positioning pin assembly are connected with the positioning substrate through bolts, and the auxiliary support is in threaded connection with the positioning substrate.
Furthermore, the clamping assembly is fixed on the inner side of the rotary table through a clamping base plate, the main clamping oil cylinder and the auxiliary clamping oil cylinder are both arranged on a clamping oil cylinder seat, and the clamping oil cylinder seat, the push-pull oil cylinder and the clamping base plate are connected through bolts.
Furthermore, the adjusting cushion block and the adjusting gasket form an L shape.
Furthermore, the X-axis limiting plate and the Z-axis limiting assembly are connected with the movable base plate through bolts.
Furthermore, the push-pull block is positioned through a pin shaft, and the bolt is closed and connected with the movable substrate.
Furthermore, the Y-axis limiting plate is connected with the X-axis limiting plate through a bolt handle.
The invention relates to a four-axis hydraulic clamp of a vertical machining center, wherein a workpiece is vertically arranged, a Y-axis positioning surface is constructed by three points in four process positioning surfaces of the workpiece, the limitation of 6 degrees of freedom is realized, an auxiliary support is arranged, the machining stability is improved, a spring positioning pin assembly is adopted to determine the axis position of the workpiece X, Z, and a clamp is arranged at the corresponding positions of a positioning point and the auxiliary support point to clamp the workpiece. The fixture can process a plurality of workpieces each time, and the fixture is stopped to clamp the workpieces once, so that the preparation working time is greatly saved, particularly, in the processing process, a processing center can process a plurality of workpieces by changing the tool once, the non-processing time is reduced, the working efficiency is greatly improved, two adjacent stations share one mounting plate, the size of the fixture is reduced, and the weight of the fixture is also reduced; the clamp is specially provided with a movable pre-positioning assembly, X, Y, Z three axes of a workpiece are reliably limited, enough space is reserved for placing the workpiece, the pre-positioning assembly drives the workpiece to move to a positioning surface after the workpiece is placed, the workpiece is effectively controlled to topple in the moving process, workers can conveniently install the workpiece, and accuracy is guaranteed; because of the reliable pre-positioning, no excess space is required for the installation of the workpiece, and the travel of the gripper is reduced. The method has obvious effect on reducing the processing tact of the single piece.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a front view of the rotary table;
FIG. 4 is a top view of the rotary table;
FIG. 5 is a front view of the positioning assembly;
FIG. 6 is a top view of the positioning assembly;
FIG. 7 is a front view of the clamping assembly;
FIG. 8 is a top view of the clamping assembly;
FIG. 9 is a front view of the positioning and clamping assembly;
FIG. 10 is a left side view of the positioning clamp assembly;
FIG. 11 is a right side view of the positioning and clamping assembly;
FIG. 12 is a cross-sectional view of the spring locator pin assembly;
FIG. 13 is a top view of the spring locator pin assembly;
FIG. 14 is a front view of the pre-positioning assembly;
FIG. 15 is a top view of the pre-positioning assembly;
FIG. 16 is a front view of the Z-axis stop assembly;
FIG. 17 is a top view of the Z-axis stop assembly;
figure 18 is a cross-sectional view of the Z-axis stop assembly.
Wherein: 1. a machine tool workbench, 2, a rotary workbench, 3, a positioning and clamping assembly, 4, a pre-positioning assembly, 5, a rotary table, 6, a tailstock, 7, a positioning assembly, 8, a clamping assembly, 9, a bridge plate, 10, a rotary joint, 11, a T-shaped guide rail, 12, a positioning base plate, 13, a positioning seat, 14, a spring positioning pin assembly, 15, an auxiliary support, 16, a limiting block, 17, a clamping base plate, 18, a main clamping cylinder, 19, an auxiliary clamping cylinder, 20, a push-pull cylinder, 21, a clamping cylinder seat, 22, a clamping and positioning base plate, 23, a push-pull block, 24, a base, 25, a pin shaft, 26, a top block, 27, a screw, 28, a set screw II, 29, a nut II, 30, a spring II, 31, a set cushion block, 32, an adjusting gasket, 33, a positioning pin base, 34, a positioning taper pin, 35, a set screw I, 36, a nut I, 37, a spring I, 38 and a moving base plate, 39. x-axis limiting plate, 40, Y-axis limiting plate, 41 and Z-axis limiting assembly.
Detailed Description
As shown in fig. 1-18, the four-axis hydraulic clamp for the multi-station vertical machining center comprises a rotary table 2 mounted on a machine tool table 1, wherein positioning and clamping assemblies 3 and pre-positioning assemblies 4 are mounted on the rotary table 2, and one pre-positioning assembly 4 is connected between two adjacent positioning and clamping assemblies 3 and between the rotary table 2 and the adjacent positioning and clamping assembly 3;
the rotary workbench 2 comprises a rotary table 5, a tailstock 6, a positioning assembly 7, a clamping assembly 8, a bridge plate 9, a rotary joint 10 and a T-shaped guide rail 11, wherein the bridge plate 9 is connected between the rotary table 5 and the tailstock 6, the positioning assembly 7, the clamping assembly 8 and the T-shaped guide rail 11 are fixedly arranged on the bridge plate 9, the positioning assembly 7 is fixed on the inner side of the tailstock 6, the clamping assembly 8 is fixed on the inner side of the rotary table 5, the clamping assembly 8 is connected with the rotary joint 10, the rotary table 5 limits the rotation of the clamping assembly 8, and oil is supplied to the clamping assembly 8; the rotary joint 10 is positioned at the outer side of the rotary table 5; providing mounting base surfaces for the positioning and clamping assembly 3 and the pre-positioning assembly 4, and supplying oil for the positioning and clamping assembly 3;
the positioning assembly 7 comprises a plurality of groups of positioning seats 13, a spring positioning pin assembly 14 and an auxiliary support 15; the specific number, placing position and direction of the group positioning seats 13, the spring positioning pin assemblies 14 and the auxiliary supports 15 are determined by the actual condition of the workpiece; the positioning component 7 is positioned by a pin shaft, and a bolt handle is connected with the tailstock 6;
the clamping assembly 8 comprises a plurality of main clamping oil cylinders 18, auxiliary clamping oil cylinders 19 and push-pull oil cylinders 20; the specific number and the placing positions of the main clamping oil cylinder 18, the auxiliary clamping oil cylinder 19 and the push-pull oil cylinder 20 are determined by the actual condition of the workpiece; the clamping component 8 is positioned by a pin shaft, and a bolt handle is connected with the rotary table 5;
the positioning and clamping assembly 3 comprises a positioning assembly 7, a clamping assembly 8 and a clamping and positioning substrate 22, wherein the positioning assembly 7 is arranged on one side of the clamping and positioning substrate 22, and the clamping assembly 8 is arranged on the other side of the clamping and positioning substrate 22;
the spring positioning pin assembly 14 comprises an adjusting cushion block 31, an adjusting gasket 32, a positioning pin base 33, a positioning taper pin 34, a set screw I35, a nut I36 and a spring I37, wherein the spring I37 is installed in the positioning pin base 33, the positioning taper pin 34 is sleeved on the top of the spring I37 and limited by the set screw I35 and the nut I36 on the side surface, the adjusting gasket 32 and the adjusting cushion block 31 are arranged on the outer side of the positioning pin base 33, and the adjusting gasket 32 is positioned between the positioning pin base 33 and the adjusting cushion block 31;
the pre-positioning assembly 4 comprises a movable base plate 38, an X-axis limiting plate 39, a Y-axis limiting plate 40, a Z-axis limiting assembly 41 and a push-pull block 23, wherein the X-axis limiting plate 39, the Z-axis limiting assembly 41 and the push-pull block 23 are mounted on the movable base plate 38, the Y-axis limiting plate 40 is connected with the X-axis limiting plate 39, the pre-positioning assembly 4 is connected with the push-pull oil cylinder 20, and the bottom of the movable base plate 38 is in sliding connection with the rotary workbench 2 through a T-shaped guide rail; the specific number and the placing positions of the X-axis limiting plate 39, the Y-axis limiting plate 40, the Z-axis limiting component 41 and the push-pull block 23 are determined by the actual condition of the workpiece;
the Z-axis limiting component 41 comprises a base 24, a pin shaft 25, a top block 26, a screw 27, a second set screw 28, a second nut 29 and a second spring 30, the second spring 30 is installed in the inner cavity of the bottom of the pin shaft 25, the bottom of the pin shaft 25 is installed in the base 24 and limited through the second set screw 28 and the second nut 29, and the top of the pin shaft 25 is sleeved with the top block 26 through the screw 27.
The bridge plate 9 is positioned by a pin shaft and is connected with the positioning component 7 and the clamping component 8 by a bolt handle, and the clamping component 8 supplies oil to the bridge plate.
The positioning substrate 12 is provided with a stopper 16.
The positioning assembly 7 is fixed on the inner side of the tailstock 6 through a positioning base plate 12, the positioning seat 13, the spring positioning pin assembly 14 and the positioning base plate 12 are connected through bolts, and the auxiliary support 15 is in threaded connection with the positioning base plate 12.
The clamping assembly 8 is fixed on the inner side of the rotary table 5 through a clamping base plate 17, the main clamping oil cylinder 18 and the auxiliary clamping oil cylinder 19 are both arranged on a clamping oil cylinder seat 21, and the clamping oil cylinder seat 21, the push-pull oil cylinder 20 and the clamping base plate 17 are connected through bolts.
The adjusting cushion block 31 and the adjusting shim 32 form an L shape.
The X-axis limiting plate 39 and the Z-axis limiting assembly 41 are connected with the movable base plate 38 through bolts.
The push-pull block 23 is positioned by a pin shaft and is connected with the movable base plate 38 by a bolt.
The Y-axis stopper plate 40 is connected to the X-axis stopper plate 39 by a bolt.
The rotary worktable 2 is positioned by a key, is fastened by a bolt and is fixed on the machine tool worktable 1; the positioning and clamping assembly 3 is positioned by a pin shaft, is fastened by a bolt and is fixed on the rotary worktable 2; the pre-positioning assembly 4 is arranged on the rotary workbench 2 through a T-shaped guide rail 11, the T-shaped guide rail 11 determines the axis of the pre-positioning assembly 4Y, Z, and the X axis moves under the action of the push-pull oil cylinder 20.
Wherein the rotary worktable 2 and the positioning and clamping component 3 are fixed, and the pre-positioning component 4 moves along the X-axis direction. All the hydraulic components retract to be in an initial state of the clamp, the workpiece is placed on the pre-positioning assembly 4, at the moment, the clamp starts to act, firstly, the push-pull oil cylinder 20 pushes the pre-positioning assembly 4 to drive the workpiece to move to the limiting block 16, and the spring positioning pin assembly 14 positions the workpiece; then, the main clamping oil cylinder 18 carries out main clamping on the workpiece to determine the positioning of the workpiece; then the auxiliary support 15 is lifted to support the workpiece; and then the auxiliary clamping oil cylinder 19 is used for carrying out auxiliary clamping on the workpiece, so that the processing stability is improved.
In the whole research and development design process of the company, the serious difficulty is overcome, the technical scheme of the invention is formed only through a large amount of trial production and improvement, and the hard creative work is paid.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (9)
1. The four-shaft hydraulic clamp for the multi-station vertical machining center is characterized by comprising a rotary workbench (2) arranged on a machine tool workbench (1), wherein positioning and clamping assemblies (3) and pre-positioning assemblies (4) are arranged on the rotary workbench (2), and one pre-positioning assembly (4) is connected between every two adjacent positioning and clamping assemblies (3) and between the rotary workbench (2) and the adjacent positioning and clamping assembly (3);
the rotary workbench (2) comprises a rotary table (5), a tailstock (6), a positioning assembly (7), a clamping assembly (8), a bridge plate (9), a rotary joint (10) and a T-shaped guide rail (11), wherein the bridge plate (9) is connected between the rotary table (5) and the tailstock (6), the positioning assembly (7), the clamping assembly (8) and the T-shaped guide rail (11) are fixedly installed on the bridge plate (9), the positioning assembly (7) is fixed on the inner side of the tailstock (6), the clamping assembly (8) is fixed on the inner side of the rotary table (5), the clamping assembly (8) is connected with the rotary joint (10), and the rotary joint (10) is positioned on the outer side of the rotary table (5);
the positioning assembly (7) comprises a plurality of groups of positioning seats (13), a spring positioning pin assembly (14) and an auxiliary support (15);
the clamping assembly (8) comprises a plurality of main clamping oil cylinders (18), auxiliary clamping oil cylinders (19) and push-pull oil cylinders (20);
the positioning and clamping assembly (3) comprises a positioning assembly (7), a clamping assembly (8) and a clamping and positioning substrate (22), wherein the positioning assembly (7) is installed on one side of the clamping and positioning substrate (22), and the clamping assembly (8) is installed on the other side of the clamping and positioning substrate;
the spring positioning pin assembly (14) comprises an adjusting cushion block (31), an adjusting gasket (32), a positioning pin base (33), a positioning taper pin (34), a set screw I (35), a nut I (36) and a spring I (37), wherein the spring I (37) is installed in the positioning pin base (33), the positioning taper pin (34) is sleeved on the top of the spring I (37) and limited by the set screw I (35) and the nut I (36) on the side surface, the adjusting gasket (32) and the adjusting cushion block (31) are arranged on the outer side of the positioning pin base (33), and the adjusting gasket (32) is located between the positioning pin base (33) and the adjusting cushion block (31);
the pre-positioning assembly (4) comprises a movable base plate (38), an X-axis limiting plate (39), a Y-axis limiting plate (40), a Z-axis limiting assembly (41) and a push-pull block (23), wherein the X-axis limiting plate (39), the Z-axis limiting assembly (41) and the push-pull block (23) are mounted on the movable base plate (38), the Y-axis limiting plate (40) is connected with the X-axis limiting plate (39), the pre-positioning assembly (4) is connected with a push-pull oil cylinder (20), and the bottom of the movable base plate (38) is in sliding connection with the rotary workbench (2) through a T-shaped guide rail (11);
the Z-axis limiting component (41) comprises a base (24), a pin shaft (25), a top block (26), a screw (27), a set screw II (28), a nut II (29) and a spring II (30), the spring II (30) is installed in the inner cavity of the bottom of the pin shaft (25), the bottom of the pin shaft (25) is installed in the base (24) and is limited through the set screw II (28) and the nut II (29), and the top of the pin shaft (25) is sleeved with the top block (26) through the screw (27).
2. The four-shaft hydraulic clamp of the multi-station vertical machining center according to claim 1, wherein the bridge plate (9) is positioned by a pin shaft and is connected with the positioning assembly (7) and the clamping assembly (8) through a bolt handle.
3. The four-axis hydraulic clamp of the multi-station vertical machining center according to claim 1, wherein a limiting block (16) is arranged on the positioning base plate (12).
4. The four-axis hydraulic clamp for the multi-station vertical machining center of claim 1, wherein the positioning assembly (7) is fixed on the inner side of the tailstock (6) through a positioning base plate (12), the positioning seat (13) and the spring positioning pin assembly (14) are connected with the positioning base plate (12) through bolts, and the auxiliary support (15) is connected with the positioning base plate (12) through threads.
5. The four-axis hydraulic clamp of the multi-station vertical machining center according to claim 1, wherein the clamping assembly (8) is fixed on the inner side of the turntable (5) through a clamping base plate (17), the main clamping cylinder (18) and the auxiliary clamping cylinder (19) are both mounted on a clamping cylinder seat (21), and the clamping cylinder seat (21), the push-pull cylinder (20) and the clamping base plate (17) are connected through bolts.
6. The four-axis hydraulic clamp of the multi-station vertical machining center according to claim 1, wherein the adjusting cushion block (31) and the adjusting gasket (32) form an L shape.
7. The four-axis hydraulic clamp of the multi-station vertical machining center according to claim 1, wherein the X-axis limiting plate (39) and the Z-axis limiting assembly (41) are connected with the movable base plate (38) through bolts.
8. The four-axis hydraulic clamp of the multi-station vertical machining center according to claim 1, wherein the push-pull block (23) is positioned by a pin shaft and is connected with the movable base plate (38) by a bolt.
9. The four-axis hydraulic clamp of the multi-station vertical machining center according to claim 1, wherein the Y-axis limiting plate (40) is connected with the X-axis limiting plate (39) through a bolt handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911213468.8A CN110757213A (en) | 2019-12-02 | 2019-12-02 | Multi-station vertical machining center four-axis hydraulic clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911213468.8A CN110757213A (en) | 2019-12-02 | 2019-12-02 | Multi-station vertical machining center four-axis hydraulic clamp |
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| Publication Number | Publication Date |
|---|---|
| CN110757213A true CN110757213A (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911213468.8A Pending CN110757213A (en) | 2019-12-02 | 2019-12-02 | Multi-station vertical machining center four-axis hydraulic clamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774901A (en) * | 2020-06-16 | 2020-10-16 | 嘉善华凯机械有限公司 | End cover drilling multi-station fixing device for solar cylinder body |
-
2019
- 2019-12-02 CN CN201911213468.8A patent/CN110757213A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774901A (en) * | 2020-06-16 | 2020-10-16 | 嘉善华凯机械有限公司 | End cover drilling multi-station fixing device for solar cylinder body |
| CN111774901B (en) * | 2020-06-16 | 2021-06-11 | 嘉善华凯机械有限公司 | End cover drilling multi-station fixing device for solar cylinder body |
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