CN112517655B - Pressure maintaining jig suitable for horizontal machining center processing extrusion die - Google Patents
Pressure maintaining jig suitable for horizontal machining center processing extrusion die Download PDFInfo
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- CN112517655B CN112517655B CN202011131299.6A CN202011131299A CN112517655B CN 112517655 B CN112517655 B CN 112517655B CN 202011131299 A CN202011131299 A CN 202011131299A CN 112517655 B CN112517655 B CN 112517655B
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- body seat
- seat
- push
- pressure maintaining
- pull cylinder
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- 238000001125 extrusion Methods 0.000 title claims abstract description 24
- 238000007667 floating Methods 0.000 claims abstract description 5
- 230000000903 blocking effect Effects 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 238000003754 machining Methods 0.000 abstract description 19
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 239000003921 oil Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/21—Presses specially adapted for extruding metal
- B21C23/212—Details
- B21C23/214—Devices for changing die or container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/21—Presses specially adapted for extruding metal
- B21C23/212—Details
- B21C23/215—Devices for positioning or centering press components, e.g. die or container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C31/00—Control devices, e.g. for regulating the pressing speed or temperature of metal; Measuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a pressure maintaining jig suitable for a horizontal machining center machining extrusion die, which belongs to the technical field of machining jigs and comprises a body seat, wherein an upper push-pull cylinder is embedded at the top of the body seat, the free end of the upper push-pull cylinder is fixedly connected with an upper base plate through a floating joint, two groups of upper positioning modules are fixedly arranged at the bottom of the upper base plate, lower bearing blocks are fixedly connected on two sides of the bottom surface of the body seat, sliding rails are arranged on one side wall opposite to the two lower bearing blocks, and the two sliding rails are connected with a lower base plate in a sliding manner; can carry automatically, realize hoist and mount and clamping separation, make things convenient for mould loading and unloading handling, and adopt a font structure, whole anchor clamps body is very compact, and the maximization of stroke is guaranteed in the operation about the push-and-pull jar, and the centre gripping scope is wider, and the suitability is higher, and whole cooperation can 360 rotatory automatic exchange workstation, realizes multiple angle processing, improves machining efficiency, can realize positive and negative or multiple angle processing.
Description
Technical Field
The invention belongs to the technical field of machining tools, and particularly relates to a pressure maintaining tool suitable for machining an extrusion die of a horizontal machining center.
Background
The horizontal machining center is a machine tool for realizing milling machining through a mechanism of a horizontal layout main shaft, and because the main shaft is horizontally arranged, a cutter reciprocates along the side surface of a workpiece so as to promote effective discharge of chips, the horizontal machining center can be also provided with a double-exchange workbench so as to realize unattended operation and shorten the machining period of the workpiece, and an extrusion die extrudes articles into a die by utilizing power, so that a finished product forms a die with a certain shape.
At present, an extrusion die is processed in a horizontal processing center, and the front surface and the rear surface of the die are required to be processed, so that the following use problems exist:
1. the upper pressing block and the lower pressing block are used for manual clamping, the clamping is quite different, the clamping diameter range is small, and a plurality of sets of standard clamps are required to be arranged;
2. if the upper hydraulic clamp and the lower hydraulic clamp are used, a plurality of sets of standard clamps are also required to be arranged, and the die is difficult to assemble and disassemble without a conveying device structure;
3. the double-exchange workbench capable of automatically rotating by 360 degrees is not provided, the machining efficiency is low, and the machining of the front side and the back side or multiple angles cannot be realized.
Disclosure of Invention
The invention aims to provide a pressure maintaining jig suitable for a horizontal machining center to machine an extrusion die, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a pressurize tool suitable for horizontal machining center processing extrusion die, includes the body seat, the top of body seat inlays and is equipped with push-and-pull jar, and go up push-and-pull jar's free end and upper padding plate rigid coupling through floating joint, upper padding plate's bottom has set firmly two sets of upper positioning module, body seat bottom surface both sides all rigid coupling has down the weight-bearing piece, and all installs the slide rail on two relative lateral walls of weight-bearing piece down, and the common sliding connection has the lower bolster on two slide rails, the bottom of lower bolster and push-and-pull jar's free end rigid coupling down, and the bottom at the body seat is installed to push-and-pull jar down, set firmly two sets of lower positioning module on the lower bolster, set firmly spherical gasket on the back at body seat top, body seat is close to the lateral wall at top embedded single acting straight line jar that is equipped with, and two single acting straight line jar extend body seat's part laminating respectively in the both sides recess at upper padding plate, the bottom of body seat is located the position department of lower bolster back both sides and all installs the sequence valve.
The scheme needs to be described as follows:
the model of the sliding rail is HGR30, and the production brand of the sliding rail is upper silver;
the model of the upper push-pull cylinder is CLL090CA200, the model of the lower push-pull cylinder is CLL0750CA260, the model of the single-acting straight cylinder is CTC-25A, and the production brands of the upper push-pull cylinder and the lower push-pull cylinder are Jia cylinders;
the coupling valve is VCB-LGS, the sequence valve is VEF-LG, and the production brands of the coupling valve and the sequence valve are Pascal.
As a preferred implementation mode, the top surfaces of the two sides of the upper base plate are fixedly connected with the bottom ends of the two positioning guide rods respectively, the two positioning guide rods are sleeved in the linear bearings, the two linear bearings are embedded in the top of the body, and the linear bearings are particularly flanged linear bearings.
As a preferred implementation mode, the upper positioning module comprises an upper positioning mounting plate, an upper position block and an upper clamping seat, the lower positioning module comprises a lower positioning mounting plate, a lower position block and a lower clamping seat, a plurality of adjusting screw holes are formed in the bottom side walls of the upper positioning mounting plate and the lower positioning mounting plate, the upper position block and the lower position block are respectively arranged on the bottom side walls of the upper positioning mounting plate and the lower positioning mounting plate through bolts, and the upper position block and the lower position block are also fixedly connected with the upper clamping seat and the lower clamping seat through bolts respectively.
As a preferred embodiment, both the upper clamping seat and the lower clamping seat are inclined toward the inner side center, and the inclined surfaces of the upper clamping seat and the lower clamping seat are provided with anti-slip protrusions.
As a preferred implementation mode, a workbench is fixedly arranged at the bottom of the body seat, and a T-shaped groove is formed in the workbench.
As a preferred embodiment, a nipple is mounted on a side wall of the lower bearing block.
As a preferred embodiment, an oil pressure gauge is mounted on the side wall of the body seat near the top, and a coupling valve is mounted on the side wall of the body near the bottom.
As a preferred implementation mode, the front side and the rear side of the body seat are provided with the chip blocking metal plates, and the lower bearing block, the sliding rail and the lower push-pull cylinder are all positioned in the chip blocking metal plates.
As a preferred embodiment, the main accumulator and the standby accumulator are respectively installed on two sides of the bottom surface of the seat back of the body.
As a preferred embodiment, the upper push-pull cylinder, the lower push-pull cylinder and the single-action linear cylinder are all operated by adopting PLC control.
Compared with the prior art, the pressure maintaining jig suitable for the horizontal machining center to machine the extrusion die provided by the invention at least comprises the following beneficial effects:
(1) The lower push-pull cylinder can drive the lower backing plate to move back and forth when working by utilizing the action of the guide rail, so that the lower backing plate can be automatically conveyed, the lifting and clamping separation are realized, the die is convenient to assemble, disassemble and lift, the whole clamp body is very compact by adopting a door-shaped structure, and the upper push-pull cylinder runs up and down to ensure the maximization of the stroke;
(2) The two groups of upper positioning modules and the two groups of lower positioning modules form clamping positions, and the distance between the two groups of upper positioning modules and the two groups of lower positioning modules can be changed or the whole of the two groups of upper positioning modules and the two groups of lower positioning modules can be changed, so that the clamping operation of dies with different specifications and diameters of 285-640 mm is suitable, the clamping range is wider, and the applicability is higher;
(3) The workbench is assembled on the automatic exchange workbench, and the workbench is integrally matched with the automatic exchange workbench capable of rotating by 360 degrees, so that the machining of various angles is realized, the machining efficiency is improved, and the machining of the front side and the back side or various angles can be realized;
(4) The PLC is adopted to control, so that various automatic operations are conveniently realized, the degree of automation is good, the control precision is high, and the adaptation to various high-precision machining operations is ensured.
Drawings
FIG. 1 is a schematic perspective view of the whole structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic diagram of the front view of the present invention;
FIG. 4 is a schematic side view of the present invention;
fig. 5 is a schematic rear view of the present invention.
In the figure: 1. a body seat; 2. a push-pull cylinder is arranged; 3. a floating joint; 4. an upper backing plate; 5. positioning a guide rod; 6. a linear bearing; 7. an upper positioning module; 71. an upper positioning mounting plate; 72. an upper position block; 73. an upper clamping seat; 8. a work table; 9. a lower bearing block; 10. a nipple; 11. a slide rail; 12. a lower backing plate; 13. a push-pull cylinder is downwards pushed; 14. a lower positioning module; 141. a lower positioning mounting plate; 142. a lower position block; 143. a lower clamping seat; 15. an oil pressure gauge; 16. a coupling valve; 17. a chip blocking metal plate; 18. a spherical spacer; 19. a single-acting linear cylinder; 20. a sequence valve; 21. a main accumulator; 22. a backup accumulator.
Detailed Description
The invention is further described below with reference to examples.
The following examples are illustrative of the present invention but are not intended to limit the scope of the invention. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the invention under the premise of the conception of the invention are all within the scope of the invention as claimed.
Referring to fig. 1-5, the invention provides a pressure maintaining jig suitable for a horizontal machining center to machine an extrusion die, comprising a body seat 1, wherein an upper push-pull cylinder 2 is embedded at the top of the body seat 1, the free end of the upper push-pull cylinder 2 is fixedly connected with an upper base plate 4 through a floating joint 3, the top surfaces of two sides of the upper base plate 4 are respectively fixedly connected with the bottom ends of two positioning guide rods 5, the two positioning guide rods 5 are sleeved in a linear bearing 6, the two linear bearings 6 are embedded at the top of the body, and the linear bearing 6 is specifically a flanged linear bearing 6 (see fig. 1 and 2); through the effect of location guide bar 5 to make upper backing plate 4 have more stability when reciprocating, reduce rocking, linear bearing 6 makes location guide bar 5 more stable effective when moving simultaneously.
Two groups of upper positioning modules 7 are fixedly arranged at the bottom of the upper base plate 4, lower bearing blocks 9 are fixedly connected to two sides of the bottom surface of the body seat 1, and a nozzle tip 10 (see figure 1) is arranged on the side wall of each lower bearing block 9; the lubricating oil is convenient to be added into the lower bearing block 9, and the lubricating function is realized.
The two opposite side walls of the two lower bearing blocks 9 are respectively provided with a sliding rail 11, the two sliding rails 11 are connected with a lower base plate 12 in a sliding manner, the bottom of the lower base plate 12 is fixedly connected with the free end of a lower push-pull cylinder 13, the lower push-pull cylinder 13 is arranged at the bottom of the body seat 1, two groups of lower positioning modules 14 are fixedly arranged on the lower base plate 12, the upper positioning module 7 consists of an upper positioning mounting plate 71, an upper position block 72 and an upper clamping seat 73, the lower positioning module 14 consists of a lower positioning mounting plate 141, a lower position block 142 and a lower clamping seat 143, the bottom side walls of the upper positioning mounting plate 71 and the lower positioning mounting plate 141 are respectively provided with a plurality of adjusting screw holes, the upper position block 72 and the lower position block 142 are respectively arranged on the bottom side walls of the upper positioning mounting plate 71 and the lower positioning mounting plate 141 through bolts, and the upper position block 72 and the lower position block 142 are respectively fixedly connected with the upper clamping seat 73 and the lower clamping seat 143 through bolts (see fig. 1 and 3); the two groups of upper positioning modules 7 and the two groups of lower positioning modules 14 form clamping positions, and the distance between the two groups of upper positioning modules 7 and the two groups of lower positioning modules 14 is changed or the whole body of the two groups of upper positioning modules is replaced, so that the clamping device is suitable for clamping operation of dies with different specifications and diameters of 285-640 mm, and the clamping range is wider and the applicability is higher.
The two upper clamping seats 73 and the lower clamping seat 143 are inclined towards the inner center, and anti-slip protrusions are arranged on the inclined surfaces of the upper clamping seat 73 and the lower clamping seat 143 (see fig. 1 and 3); the outer side wall of the extrusion die is easy to attach, the formed clamping effect is better, and meanwhile, the friction force of the upper clamping seat 73 and the lower clamping seat 143 can be improved through the anti-slip protrusions, so that displacement is avoided after the extrusion die is clamped.
The back at body seat 1 top has set firmly spherical gasket 18, and body seat 1 is close to the embedded single-action straight line jar 19 that is equipped with of lateral wall at top, and the part that two single-action straight line jar 19 extended body seat 1 laminate respectively in the both sides recess of upper padding plate 4, and sequence valve 20 is all installed in the position department that the bottom of body seat 1 is located the both sides of lower bolster 12 back.
A workbench 8 is fixedly arranged at the bottom of the body seat 1, and a T-shaped groove is formed in the workbench 8 (see fig. 1 and 3); the workbench 8 is assembled on the automatic exchange workbench 8, and the workbench 8 can rotate 360 degrees in a whole matching manner, so that the machining of various angles is realized, the machining efficiency is improved, and the machining of the front side and the back side or various angles can be realized.
An oil pressure gauge 15 is arranged on the side wall of the body seat 1 close to the top, and a connecting valve 16 (see figure 1) is arranged on the side wall of the body close to the bottom; the oil pressure gauge 15 can monitor hydraulic oil pressure data in real time, while the coupling valve 16 is used for connection with an external oil pipe.
The front side and the rear side of the body seat 1 are provided with scrap blocking metal plates 17, and the lower bearing block 9, the sliding rail 11 and the lower push-pull cylinder 13 are all positioned in the scrap blocking metal plates 17 (see figure 4); the scraps blocking metal plate 17 can block scraps generated during processing, so that the scraps are prevented from entering the lower bearing block 9 or the guide rail, and the temperature running of the lower bearing block 9 or the guide rail is ensured.
The main energy accumulator 21 and the standby energy accumulator 22 are respectively arranged on two sides of the bottom surface of the back of the body seat 1 (see figure 5); in this solution, only the main accumulator 21 is needed, and the standby accumulator 22 serves as a temporary standby only when the main accumulator 21 is not available.
The upper push-pull cylinder 2, the lower push-pull cylinder 13 and the single-action linear cylinder 19 are all operated by adopting PLC control (see figures 1, 3 and 5); the PLC is adopted to control, so that various automatic operations are conveniently realized, the degree of automation is good, the control precision is high, and the adaptation to various high-precision machining operations is ensured.
When the automatic exchange workbench is used, the whole assembly is arranged on the automatic exchange workbench 8, the two groups of upper positioning modules 7 and the two groups of lower positioning modules 14 are firstly adjusted according to the size of an extrusion die, the two groups of upper positioning modules 7 and the two groups of lower positioning modules 14 can also be replaced, the two groups of upper positioning modules 7 and the two groups of lower positioning modules 14 which are suitable for the extrusion die are adjusted or installed, the extrusion die is placed on the two groups of lower positioning modules 14, the lower backing plate 12 is driven to move by utilizing the work of the lower push-pull cylinder 13, the lower backing plate 12 is driven to move under the two groups of upper positioning modules 7, the upper backing plate 4 is driven to move by utilizing the work of the upper push-pull cylinder 2, the clamping effect is formed on the extrusion die by the two groups of upper positioning modules 7 and the two groups of lower positioning modules 14, the upper backing plate 4 is stabilized by the work of the single-action linear cylinder 19, the clamping stability and the like in the machining process is ensured, the machining operation can be performed after the clamping is finished.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Pressure maintaining jig suitable for horizontal machining center processing extrusion die, including body seat (1), its characterized in that: the upper push-pull cylinder (2) is embedded at the top of the body seat (1), the free end of the upper push-pull cylinder (2) is fixedly connected with the upper base plate (4) through a floating joint (3), two groups of upper positioning modules (7) are fixedly arranged at the bottom of the upper base plate (4), lower bearing blocks (9) are fixedly connected to two sides of the bottom surface of the body seat (1), sliding rails (11) are arranged on one side wall opposite to the two lower bearing blocks (9), lower base plates (12) are connected to the two sliding rails (11) in a sliding manner, the bottom of the lower base plate (12) is fixedly connected with the free end of the lower push-pull cylinder (13), the lower push-pull cylinder (13) is arranged at the bottom of the body seat (1), two groups of lower positioning modules (14) are fixedly arranged on the lower base plate (12), spherical gaskets (18) are fixedly arranged on the back of the top of the body seat (1), single-acting linear cylinders (19) are embedded in the side walls of the body seat (1) close to the top, the two single-acting linear cylinders (19) extend out of the body seat (1) to the parts of the body seat (4) and are respectively attached to the bottom of the two base plates (20) at two sides of the bottom of the body seat (1), and the two side positions of the base seat (20) are respectively located at the bottom of the two side positions of the base seat (20 respectively;
the upper positioning module (7) is composed of an upper positioning mounting plate (71), an upper position block (72) and an upper clamping seat (73), the lower positioning module (14) is composed of a lower positioning mounting plate (141), a lower position block (142) and a lower clamping seat (143), a plurality of adjusting screw holes are formed in the bottom side walls of the upper positioning mounting plate (71) and the lower positioning mounting plate (141), the upper position block (72) and the lower position block (142) are respectively mounted on the bottom side walls of the upper positioning mounting plate (71) and the lower positioning mounting plate (141) through bolts, the upper position block (72) and the lower position block (142) are respectively fixedly connected with the upper clamping seat (73) and the lower clamping seat (143) through bolts, the two upper clamping seats (73) and the lower clamping seats (143) are inclined towards the inner side center, and anti-slip protrusions are respectively arranged on the inclined surfaces of the upper clamping seat (73) and the lower clamping seat (143).
2. The pressure maintaining jig for processing extrusion dies of a horizontal processing center according to claim 1, wherein: the top surfaces of two sides of the upper base plate (4) are fixedly connected with the bottom ends of the two positioning guide rods (5) respectively, the two positioning guide rods (5) are sleeved in the linear bearings (6), the two linear bearings (6) are embedded in the top of the body, and the linear bearings (6) are flanged linear bearings (6).
3. The pressure maintaining jig for processing extrusion dies of a horizontal processing center according to claim 1, wherein: the bottom of the body seat (1) is fixedly provided with a workbench (8), and the workbench (8) is provided with a T-shaped groove.
4. The pressure maintaining jig for processing extrusion dies of a horizontal processing center according to claim 1, wherein: and a nozzle (10) is arranged on the side wall of the lower bearing block (9).
5. The pressure maintaining jig for processing extrusion dies of a horizontal processing center according to claim 1, wherein: an oil pressure gauge (15) is arranged on the side wall, close to the top, of the body seat (1), and a connecting valve (16) is arranged on the side wall, close to the bottom, of the body seat.
6. The pressure maintaining jig for processing extrusion dies of a horizontal processing center according to claim 1, wherein: the chip blocking metal plates (17) are arranged on the front side and the rear side of the body seat (1), and the lower bearing block (9), the sliding rail (11) and the lower push-pull cylinder (13) are all positioned in the chip blocking metal plates (17).
7. The pressure maintaining jig for processing extrusion dies of a horizontal processing center according to claim 1, wherein: the two sides of the bottom surface of the back of the body seat (1) are respectively provided with a main energy accumulator (21) and a standby energy accumulator (22).
8. The pressure maintaining jig for processing extrusion dies of a horizontal processing center according to claim 1, wherein: the upper push-pull cylinder (2), the lower push-pull cylinder (13) and the single-action linear cylinder (19) are controlled to operate by adopting a PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011131299.6A CN112517655B (en) | 2020-10-21 | 2020-10-21 | Pressure maintaining jig suitable for horizontal machining center processing extrusion die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011131299.6A CN112517655B (en) | 2020-10-21 | 2020-10-21 | Pressure maintaining jig suitable for horizontal machining center processing extrusion die |
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| Publication Number | Publication Date |
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| CN112517655A CN112517655A (en) | 2021-03-19 |
| CN112517655B true CN112517655B (en) | 2024-01-09 |
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| CN202011131299.6A Active CN112517655B (en) | 2020-10-21 | 2020-10-21 | Pressure maintaining jig suitable for horizontal machining center processing extrusion die |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115722626B (en) * | 2022-11-29 | 2024-03-26 | 中国第一重型机械股份公司 | Combined step extrusion die and forming method |
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| CN112517655A (en) | 2021-03-19 |
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