CN111745156B - Multi-station composite pressing equipment for shaped charge covers of perforating charges - Google Patents
Multi-station composite pressing equipment for shaped charge covers of perforating charges Download PDFInfo
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- CN111745156B CN111745156B CN202010650359.9A CN202010650359A CN111745156B CN 111745156 B CN111745156 B CN 111745156B CN 202010650359 A CN202010650359 A CN 202010650359A CN 111745156 B CN111745156 B CN 111745156B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
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- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a perforating charge type cover multi-station composite pressing device which comprises a hydraulic press unit, wherein the hydraulic press unit is a three-station eight-column hydraulic press unit, the hydraulic press unit of each station comprises an upper cross beam, a lower cross beam, a sliding block, a workbench, stand columns, nuts and a main cylinder, anti-rotation guide devices are arranged between the top of the sliding block and the upper cross beam, a rotating mechanism device is arranged between the bottom of the workbench and the lower cross beam, each anti-rotation guide device comprises a guide rod and a guide cylinder, a precise coupling part is arranged between the guide rod and the guide cylinder, the guide rods and the guide cylinders are movably inserted, the number of the guide rods and the guide cylinders of each station is four, the guide rods are uniformly arranged relative to the top of the sliding block, and the guide cylinders are arranged inside the upper cross beam. According to the invention, the three-station arrangement of the device is beneficial to pre-pressing by adopting the station with lower pressure, and then shaping and pressing by replacing the station with higher pressure, so that the forming efficiency of the liner is improved.
Description
Technical Field
The invention relates to the technical field of pressing forming of perforating charge powder shaped charge covers, in particular to a multi-station composite pressing device for a perforating charge shaped charge cover.
Background
The quality of the perforating bullet used as a well completion equipment for establishing effective channels in a shaft and an oil layer greatly influences the oil and gas production of a production well. The liner is a key part of the perforating bullet, and the structural size and quality uniformity of the liner are very critical to the performance of the perforating bullet product. Therefore, the pressing of the perforating bullet-shaped cover is a crucial link.
In the past, perforating charge type covers were machined from copper rod material; currently, a powder formula is developed and pressed and formed by adopting a single-machine vibration and single-machine spinning mode of a hydraulic press; the two pressing methods are that an independent hydraulic press is adopted to directly apply high pressure to the metal powder to form the metal powder (the forming pressure of a general formula type cover is 110T-120T); the defects that the high-pressure can greatly damage the die, the die is easy to deform, and the probability of unqualified products of the product is greatly improved, and particularly, the high-pressure can damage the die core more greatly when the die core is spun in the die by the single-machine spinning mode under the action of the high-pressure.
Therefore, the invention provides a multi-station composite pressing device for a perforating charge type cover to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a multi-station composite pressing device for a shaped charge liner of a perforating charge, which is beneficial to pre-pressing by adopting a station with lower pressure and then shaping and pressing by replacing the station with higher pressure by adopting the device with three stations, thereby improving the forming efficiency of the shaped charge liner and solving the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a multi-station composite pressing device for a shaped cover of perforating ammunition comprises a hydraulic press unit, wherein the hydraulic press unit comprises three stations and eight upright column type hydraulic press units, each station hydraulic press unit comprises an upper cross beam, a lower cross beam, a sliding block, a workbench, upright columns, nuts and a main cylinder, an anti-rotation guide device is arranged between the top of the sliding block and the upper cross beam, a rotating mechanism device is arranged between the bottom of the workbench and the lower cross beam and comprises guide rods and guide cylinders, precise coupling parts are arranged between the guide rods and the guide cylinders and movably inserted, the guide rods and the guide cylinders of each station are four, the guide rods are uniformly arranged relative to the top of the sliding block, the guide cylinders are arranged in the upper cross beam, the upper cross beam is arranged at the top of the guide cylinders and provided with air exchange channels, the top of the air exchange channels are provided with filter blocks, and the ends of the tops of the guide cylinders, which are communicated with the air exchange channels, are provided with air outlet holes and air inlet holes, the air outlet device comprises a bottom support, a section of the top of the bottom support is fixedly connected with a workbench, a bearing is fixedly sleeved at one section of the bottom support, a main shaft is rotatably arranged at one side of a lower cross beam, bevel gears are sleeved at one end of the main shaft and the surface of the support shaft, the two bevel gears are meshed, one end of the main shaft, which is positioned outside the lower cross beam, is connected with a driving motor, the workbench bottom fixedly connected with locating piece, the locating piece bottom is provided with a plurality of ball, the bottom end rail surface seted up with locating piece and ball assorted recess, recess lateral wall and workbench bottom position all are provided with the ring form acoustical panel in slider both sides.
Preferably, the upper cross beam and the lower cross beam are integrally arranged, the number of the sliding blocks, the main cylinder and the workbench of the three-station eight-column type hydraulic press unit is three and arranged side by side, and one sliding block, one main cylinder and one workbench form one station.
Preferably, the upper cross beam and the lower cross beam are connected through an upright column, the bottom of the main cylinder penetrates through the upper cross beam and is fixedly connected with the top of the sliding block, and the workbench is arranged on the top of the lower cross beam.
Preferably, the upright post adopts a convex structure and a nut anti-loosening structure, so that the dynamic precision of the equipment is ensured.
Preferably, the elastic coefficient of the first spring is greater than the elastic coefficient of the second spring.
Preferably, the number of the air inlet holes is larger than that of the air outlet holes, and the inner diameter of the air inlet holes is smaller than that of the air outlet holes.
Preferably, the pressures of the three stations of the hydraulic press unit are set to be equal, and the pressure of the middle station is greater than the pressures of the stations on the two sides.
Preferably, the upper cross beam and the lower cross beam are arranged in parallel, and the sliding block and the workbench are arranged in parallel.
Preferably, a speed regulator is arranged between the driving motor and the main shaft, and two ends of the speed regulator are connected with the main shaft and the driving motor through couplings.
The invention has the technical effects and advantages that:
1. according to the device, the three-station arrangement is realized, so that the pre-pressing is favorably carried out by adopting the station with lower pressure, and then the station with higher pressure is replaced to carry out the shaping pressing, so that the die core is effectively prevented from being damaged more by high pressure when the die core is spun in the high-pressure application die in a single-machine spinning mode, and the forming efficiency of the shaped charge liner is improved.
2. The anti-rotation guide device is arranged, so that the slide block can be positioned and moved conveniently through the guide rod and the guide cylinder, and the slide block is effectively buffered through the sealing ball of the air inlet and the sealing plug of the air outlet, so that the slide block is prevented from being damaged due to large movement amplitude.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a left side view of the overall structure of the present invention;
FIG. 3 is a schematic view of the structure of part A of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the structure of part B in FIG. 3 according to the present invention;
fig. 5 is a schematic view of the structure of the part C in fig. 2 according to the present invention.
In the figure: 1. a hydraulic press unit; 2. an upper cross beam; 3. a lower cross beam; 4. a slider; 5. a work table; 6. a column; 7. a nut; 8. a master cylinder; 9. a guide bar; 10. a guide cylinder; 11. a ventilation channel; 12. filtering blocks; 13. an air outlet; 14. an air intake; 15. a sealing plug; 16. a T-shaped rod; 17. a first spring; 18. a sealing ball; 19. a slide plate; 20. a chute; 21. a slide bar; 22. a second spring; 23. a support shaft; 24. a main shaft; 25. a bevel gear; 26. a drive motor; 27. positioning blocks; 28. a ball bearing; 29. a groove; 30. an acoustical panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
according to the multi-station composite pressing equipment for the shaped charge cover of the perforating charges shown in the figures 1-5, the equipment comprises a hydraulic press unit 1, the hydraulic press unit 1 is a three-station eight-column type hydraulic press unit 1, each station of the hydraulic press unit 1 comprises an upper cross beam 2, a lower cross beam 3, a sliding block 4, a workbench 5, a column 6, a nut 7 and a main cylinder 8, an anti-rotation guide device is arranged between the top of the sliding block 4 and the upper cross beam 2, and a rotating mechanism device is arranged between the bottom of the workbench 5 and the lower cross beam 3, so that the device is provided with three stations, the pre-pressing and pressing are favorably carried out by adopting the station with lower pressure, and then the station with higher pressure is replaced to carry out the shaping and pressing, and therefore, when the mold core is spun in a high-pressure applying mold in a single-machine spinning mode, the high-pressure can damage the mold core more, and the forming efficiency of the shaped charge cover is improved, the anti-rotation guide device comprises guide rods 9 and guide cylinders 10, precision coupling parts are arranged between the guide rods 9 and the guide cylinders 10 and are movably inserted and arranged, the guide rods 9 and the guide cylinders 10 of each station are four, the guide rods 9 are uniformly arranged on the top of a sliding block 4, the guide cylinders 10 are arranged inside an upper cross beam 2, the upper cross beam 2 is arranged at the top of the guide cylinders 10 and provided with a ventilation channel 11, the top of the ventilation channel 11 is provided with filter blocks 12, the top of the guide cylinders 10 and the end communicated with the ventilation channel 11 are provided with air outlet holes 13 and air inlet holes 14, the top of the air outlet holes 13 is provided with sealing plugs 15, T-shaped rods 16 are connected between the bottoms of the filter blocks 12 and the sealing plugs 15 in a penetrating manner, first springs 17 are sleeved on the surfaces of the T-shaped rods 16, sealing balls 18 are arranged at the bottoms of the air inlet holes 14, and sliding plates 19 are fixedly connected to the bottoms of the sealing balls 18, the guide cylinder 10 is internally provided with a sliding groove 20 matched with one end of a sliding plate 19, the sliding groove 20 is internally provided with a sliding rod 21, the surface of the sliding rod 21 is sleeved with a second spring 22, the sliding rod is beneficial to positioning and moving the slider 4 through the guide rod 9 and the guide cylinder 10 by being provided with an anti-rotation guide device, the slider 4 is effectively buffered by passing through a sealing ball 18 of an air inlet and a sealing plug 15 of an air outlet, the slider 4 is prevented from being damaged due to larger moving amplitude, the sliding plate 19 and the sliding rod 21 are arranged in a sliding manner, the rotating mechanism device comprises a supporting shaft 23, one section of the top of the supporting shaft 23 is fixedly connected with the workbench 5, one section of the bottom of the supporting shaft 23 is fixedly sleeved with a bearing, one side of the lower cross beam 3 is rotatably provided with a main shaft 24 in a penetrating manner, one end of the main shaft 24 and the surface of the supporting shaft 23 are both sleeved with bevel gears 25, and the two bevel gears 25 are meshed, one end of the main shaft 24, which is positioned outside the lower cross beam 3, is connected with a driving motor 26, the bottom of the workbench 5 is fixedly connected with a positioning block 27, the bottom of the positioning block 27 is provided with a plurality of balls 28, the positioning block 27 and the balls 28 are arranged, so that the damage caused by uneven stress of the workbench 5 is favorably prevented, the abrasion between the workbench 5 and the lower cross beam 3 is prevented, the surface of the lower cross beam 3 is provided with a groove 29 matched with the sliding block 4 and the balls 28, the side wall of the groove 29 and the bottom of the workbench 5, which are positioned at two sides of the positioning block 27, are both provided with annular acoustical panels 30, and the noise generated in the rotation process of the workbench 5 is favorably isolated by the acoustical panels 30;
further, in the above technical scheme, the upper cross beam 2 and the lower cross beam 3 are integrally arranged, the number of the sliding blocks 4, the main cylinder 8 and the workbench 5 of the three-station eight-column hydraulic press unit 1 is three and arranged side by side, and one sliding block 4, the main cylinder 8 and the workbench 5 form one station arrangement, which is beneficial to secondary pressing and prevents the workpiece from being damaged;
further, in the above technical solution, the upper beam 2 and the lower beam 3 are connected by the upright post 6, the bottom of the master cylinder 8 penetrates through the upper beam 2 and is fixedly connected with the top of the slider 4, and the workbench 5 is arranged on the top of the lower beam 3;
furthermore, in the technical scheme, the upright post 6 adopts an outward convex structure and a nut 7 anti-loosening structure, so that the dynamic precision of the equipment is ensured, and the upright post 6 can be fixed according to the required length between the upper cross beam 2 and the lower cross beam 3;
further, in the above technical solution, the elastic coefficient of the first spring 17 is greater than the elastic coefficient of the second spring 22;
further, in the above technical solution, the number of the air inlet holes 14 is greater than the number of the air outlet holes 13, and the inner diameter of the air inlet holes 14 is smaller than the inner diameter of the air outlet holes 13;
further, in the above technical scheme, the pressures of the three stations of the hydraulic press unit 1 are set to be equal to the pressures of the stations on both sides, and the pressure of the station in the middle is greater than the pressures of the stations on both sides;
further, in the above technical solution, the upper beam 2 and the lower beam 3 are arranged in parallel, and the slider 4 and the worktable 5 are arranged in parallel;
further, in the above technical solution, a speed regulator is disposed between the driving motor 26 and the main shaft 24, and two ends of the speed regulator are connected to the main shaft 24 and the driving motor 26 by couplings.
The working principle of the invention is as follows:
referring to the attached drawings 1-5 of the specification, when the hydraulic press unit 1 is in use, the slide block 4 is pushed by the main cylinder 8 to move downwards to press an article on the surface of the workbench 5, wherein the guide rod 9 moves downwards in the guide cylinder 10 in the downward movement process of the slide block 4, the slide block 4 is prevented from being deviated in the downward movement process through the limiting action of the guide rod 9 and the guide cylinder 10, the article pressing accuracy is affected, when the guide rod 9 moves in the guide cylinder 10, a vacuum is generated in the guide cylinder through the arrangement of a precision coupling between the guide rod 9 and a wire guide cylinder, the pressure is lower, external air pushes open air from the sealing ball 18 at the bottom of the air inlet hole 14 into the guide cylinder 10, the vacuum pressure generated in the guide cylinder 10 is prevented, the guide rod 9 is prevented from being moved by higher resistance, and the guide rod 9 is prevented from being moved by lower resistance through the arrangement of the sealing ball 18, the stability of the slide block 4 during moving is increased, certain pressing buffering is carried out, when the slide block 4 is retracted, the guide rod 9 compresses air inside the guide cylinder 10, when the pressure reaches a certain value, the sealing plug 15 of the air outlet hole 13 is jacked open to discharge the air, so that the slide block 4 is buffered when being retracted under the action of the sealing plug 15, the stability of the slide block 4 is ensured, in the pressing process of the liner, the main shaft 24 is driven to rotate by the driving motor 26, the worktable 5 is rotated under the action of the bevel gear 25, so that the pressing in a spinning mode is generated, the device is arranged in three stations, the pre-pressing is carried out by adopting the station with lower pressure firstly in the pressing process of the liner, then the liner after the pre-pressing is replaced to the station with higher pressure for shaping pressing, so that the single-machine spinning mode is effectively prevented from being used for spinning the mold core in the high-pressure application mold, the high pressure can cause larger damage to the mold core, thereby improving the molding efficiency of the liner.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a perforation ammunition type cover multistation composite pressing is equipped, includes hydraulic press unit (1), its characterized in that: the hydraulic press unit (1) is a three-station eight-column hydraulic press unit (1), the hydraulic press unit (1) of each station comprises an upper cross beam (2), a lower cross beam (3), a sliding block (4), a workbench (5), columns (6), nuts (7) and a main cylinder (8), an anti-rotation guide device is arranged between the top of the sliding block (4) and the upper cross beam (2), a rotating mechanism device is arranged between the bottom of the workbench (5) and the lower cross beam (3), the anti-rotation guide device comprises guide rods (9) and guide cylinders (10), precise coupling parts are arranged between the guide rods (9) and the guide cylinders (10) and are movably inserted, the guide rods (9) and the guide cylinders (10) of each station are four, the guide rods (9) are uniformly arranged relative to the top of the sliding block (4), and the guide cylinders (10) are arranged inside the upper cross beam (2), the air exchange device is characterized in that the upper cross beam (2) is positioned at the top of the guide cylinder (10) and provided with an air exchange channel (11), the top of the air exchange channel (11) is provided with a filter block (12), the end, communicated with the air exchange channel (11), of the top of the guide cylinder (10) is provided with an air outlet hole (13) and an air inlet hole (14), the top of the air outlet hole (13) is provided with a sealing plug (15), a T-shaped rod (16) penetrates through and is connected between the bottom of the filter block (12) and the sealing plug (15), a first spring (17) is sleeved on the surface of the T-shaped rod (16), a sealing ball (18) is arranged at the bottom of the air inlet hole (14), the bottom of the sealing ball (18) is fixedly connected with a sliding plate (19), a sliding groove (20) matched with one end of the sliding plate (19) is formed inside the guide cylinder (10), a sliding rod (21) is arranged inside the sliding groove (20), a second spring (22) is sleeved on the surface of the sliding rod (21), slide between slide (19) and slide bar (21) and set up, rotary mechanism device includes back shaft (23), back shaft (23) one section of top and workstation (5) fixed connection, and back shaft (23) bottom one section fixed the cup joint the bearing, bottom end rail (3) one side is rotated and is run through and is provided with main shaft (24), bevel gear (25) have all been cup jointed on main shaft (24) one end and back shaft (23) surface, two bevel gear (25) mesh mutually, main shaft (24) lie in bottom end rail (3) outside one end and are connected with driving motor (26), workstation (5) bottom fixedly connected with locating piece (27), locating piece (27) bottom is provided with a plurality of ball (28), bottom end rail (3) surface seted up with locating piece (27) and ball (28) assorted recess (29), recess (29) lateral wall and workstation (5) bottom lie in locating piece (27) both sides and all are provided with circle ball (28), recess (29) lateral wall and workstation (5) bottom are provided with circle An annular sound-absorbing panel (30).
2. The perforating charge type cover multi-station composite pressing equipment as claimed in claim 1, wherein the perforating charge type cover multi-station composite pressing equipment comprises: the upper cross beam (2) and the lower cross beam (3) are integrally arranged, the number of the sliding blocks (4), the main cylinders (8) and the working platform (5) of the three-station eight-column hydraulic press unit (1) is three, the sliding blocks (4), the main cylinders (8) and the working platform (5) are arranged side by side, and one of the sliding blocks (4), the main cylinders (8) and the working platform (5) forms a station arrangement.
3. The perforating charge type cover multi-station composite pressing equipment as claimed in claim 1, wherein the perforating charge type cover multi-station composite pressing equipment comprises: the upper cross beam (2) is connected with the lower cross beam (3) through a stand column (6), the bottom of the main cylinder (8) penetrates through the upper cross beam (2) to be fixedly connected with the top of the sliding block (4), and the workbench (5) is arranged on the top of the lower cross beam (3).
4. The perforating charge type cover multi-station composite pressing equipment as claimed in claim 1, wherein the perforating charge type cover multi-station composite pressing equipment comprises: the upright post (6) adopts a convex structure and adopts a nut (7) anti-loosening structure, so that the dynamic precision of the equipment is ensured.
5. The perforating charge type cover multi-station composite pressing equipment as claimed in claim 1, wherein the perforating charge type cover multi-station composite pressing equipment comprises: the elastic coefficient of the first spring (17) is greater than the elastic coefficient of the second spring (22).
6. The perforating charge type cover multi-station composite pressing equipment as claimed in claim 1, characterized in that: the number of the air inlet holes (14) is larger than that of the air outlet holes (13), and the inner diameter size of the air inlet holes (14) is smaller than that of the air outlet holes (13).
7. The perforating charge type cover multi-station composite pressing equipment as claimed in claim 1, wherein the perforating charge type cover multi-station composite pressing equipment comprises: the pressure of three stations of the hydraulic machine set (1) is set to be equal to that of the stations at two sides, and the pressure of the middle station is greater than that of the stations at two sides.
8. The perforating charge type cover multi-station composite pressing equipment as claimed in claim 1, wherein the perforating charge type cover multi-station composite pressing equipment comprises: the upper cross beam (2) and the lower cross beam (3) are arranged in parallel, and the sliding block (4) and the workbench (5) are arranged in parallel.
9. The perforating charge type cover multi-station composite pressing equipment as claimed in claim 1, wherein the perforating charge type cover multi-station composite pressing equipment comprises: a speed regulator is arranged between the driving motor (26) and the main shaft (24), and two ends of the speed regulator are connected with the main shaft (24) and the driving motor (26) through couplings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010650359.9A CN111745156B (en) | 2020-07-08 | 2020-07-08 | Multi-station composite pressing equipment for shaped charge covers of perforating charges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010650359.9A CN111745156B (en) | 2020-07-08 | 2020-07-08 | Multi-station composite pressing equipment for shaped charge covers of perforating charges |
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| Publication Number | Publication Date |
|---|---|
| CN111745156A CN111745156A (en) | 2020-10-09 |
| CN111745156B true CN111745156B (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010650359.9A Active CN111745156B (en) | 2020-07-08 | 2020-07-08 | Multi-station composite pressing equipment for shaped charge covers of perforating charges |
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| DE29521002U1 (en) * | 1995-06-10 | 1996-06-27 | Iska Wolfgang Katz Verwaltungs-Gmbh, 78083 Dauchingen | Gas cylinder element |
| CN101147937A (en) * | 2007-10-30 | 2008-03-26 | 华南理工大学 | Belt wheel spinning forming method and equipment |
| CN101518811A (en) * | 2009-04-07 | 2009-09-02 | 贵阳高新金睿通纳科技有限公司 | Compression moulding forming method of nano-micron superfine powder composite materials and compression moulding forming device of nano-micron superfine powder composite materials |
| CN202427947U (en) * | 2011-11-23 | 2012-09-12 | 扬州市海力精密机械制造有限公司 | Upper slider pressing mechanism of powder forming machine |
| CN204075202U (en) * | 2014-08-19 | 2015-01-07 | 宁波百琪达自动化设备有限公司 | Full-automatic pressing under magnetic field press |
| KR101488723B1 (en) * | 2014-04-30 | 2015-02-04 | (주)지케이에스 | Powder Compacting Apparatus For Valve Seat of Diesel engines and Method for Multilayer Compacting Using Thereof |
| CN105252250A (en) * | 2015-10-30 | 2016-01-20 | 四川石油射孔器材有限责任公司 | Full-automatic press-fitting equipment for perforating charge |
| CN105562685A (en) * | 2016-03-09 | 2016-05-11 | 宁波钉子博士磁性技术有限公司 | Nd-Fe-B powder molding press |
| CN106312058A (en) * | 2016-08-31 | 2017-01-11 | 安徽东海机床制造有限公司 | Use method for high-precision automatic material pressing device |
| CN210292999U (en) * | 2019-08-06 | 2020-04-10 | 合肥海得智能科技有限公司 | Explosive pressing explosion-proof hydraulic machine special for perforating bullet |
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2020
- 2020-07-08 CN CN202010650359.9A patent/CN111745156B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29521002U1 (en) * | 1995-06-10 | 1996-06-27 | Iska Wolfgang Katz Verwaltungs-Gmbh, 78083 Dauchingen | Gas cylinder element |
| CN101147937A (en) * | 2007-10-30 | 2008-03-26 | 华南理工大学 | Belt wheel spinning forming method and equipment |
| CN101518811A (en) * | 2009-04-07 | 2009-09-02 | 贵阳高新金睿通纳科技有限公司 | Compression moulding forming method of nano-micron superfine powder composite materials and compression moulding forming device of nano-micron superfine powder composite materials |
| CN202427947U (en) * | 2011-11-23 | 2012-09-12 | 扬州市海力精密机械制造有限公司 | Upper slider pressing mechanism of powder forming machine |
| KR101488723B1 (en) * | 2014-04-30 | 2015-02-04 | (주)지케이에스 | Powder Compacting Apparatus For Valve Seat of Diesel engines and Method for Multilayer Compacting Using Thereof |
| CN204075202U (en) * | 2014-08-19 | 2015-01-07 | 宁波百琪达自动化设备有限公司 | Full-automatic pressing under magnetic field press |
| CN105252250A (en) * | 2015-10-30 | 2016-01-20 | 四川石油射孔器材有限责任公司 | Full-automatic press-fitting equipment for perforating charge |
| CN105562685A (en) * | 2016-03-09 | 2016-05-11 | 宁波钉子博士磁性技术有限公司 | Nd-Fe-B powder molding press |
| CN106312058A (en) * | 2016-08-31 | 2017-01-11 | 安徽东海机床制造有限公司 | Use method for high-precision automatic material pressing device |
| CN210292999U (en) * | 2019-08-06 | 2020-04-10 | 合肥海得智能科技有限公司 | Explosive pressing explosion-proof hydraulic machine special for perforating bullet |
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| Publication number | Publication date |
|---|---|
| CN111745156A (en) | 2020-10-09 |
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