CN104441743A - Fully-automatic powder pressing device - Google Patents
Fully-automatic powder pressing device Download PDFInfo
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- CN104441743A CN104441743A CN201410593896.9A CN201410593896A CN104441743A CN 104441743 A CN104441743 A CN 104441743A CN 201410593896 A CN201410593896 A CN 201410593896A CN 104441743 A CN104441743 A CN 104441743A
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- depression bar
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Abstract
The invention provides a fully-automatic powder pressing device. The device is characterized by comprising a cylinder corresponding to powder and a pressing rod arranged in the cylinder, and a pressing head used for pressing powder is arranged at one end of the pressing rod; the device further comprises a pressing rod clamping mechanism used for clamping the pressing rod with constant clamping force, a pressing driving mechanism used for driving the pressing rod clamping mechanism to enable the pressing rod to make reciprocating pressing and lifting movement in the cylinder, and a circumferential movement mechanism used for driving the pressing rod clamping mechanism and the pressing driving mechanism to make circumferential movement in the cylinder, and powder on the circumferential surface of the inner wall of the cylinder is pressed gradually through the circumferential movement of the pressing head in the cylinder. According to the device, powder can be evenly pressed in a mechanical and automatic mode, pressed powder is evenly distributed by certain density, and product forming is facilitated.
Description
Technical field
The present invention relates to cold isostatic compaction field, before particularly relating to isostatic cool pressing operation, powder pre-pressing is become the powder hold down gag of the close degree of certain matter and shape.
Background technology
In prior art, before cold isostatic compaction is carried out for the in-built effigurate powder as tubulose or column of cylindrical shell, needing to carry out pre-pressing to it makes it shape, roughly step is as follows for it, first powder is placed in the cylindrical shell of correspondingly-shaped, in cylindrical shell, the rubber pocket corresponding with cylindrical shape is set, now add powder in rubber pocket, artificial powder is constantly compressed of depression bar being provided with pressure head by end is needed in the process adding powder, the object compressed is that powder is distributed uniformly with the close degree of certain matter in rubber pocket, after this step completes, what produce is semi-finished product, be convenient to the cold isostatic compaction in later stage, in the process of pre-pressing, generally carried out the compression of multiple step format by the powder of pressure head to cylindrical shell inner peripheral surface place, namely the size of pressure head is generally less than the periphery in cylindrical shell, is not so unfavorable for feeding in raw material compressing.
But in the process of carrying out artificial pre-pressing, there will be uneven problem firmly, the close degree of the powder matter through compressing in rubber pocket finally can be caused uneven, by uneven for close for matter degree, that compression is not enough or comparatively loose semi-finished product, be positioned in cold isostatic press, after overmolding, finished product can produce the problem that the stable not and product diameter of the various aspects of performance caused due to product local defect can be less than theoretical value.Namely for the measuring phase of powder, the performance of product and the qualification rate of radial dimension is determined.
In addition, the powder carrying out compressing has multiple, and as pulverous pottery, plastics and iron powder etc., the material behavior of its correspondence is also different, and required thrust is also different, and the requirement for operating personnel is higher, is difficult to reach comparatively suitable compression effect.
The concrete concept of the close degree of the matter of drawing in the present invention, is intended to express pulverous object in certain volume unit premised on being uniformly distributed, its concrete abundance situation.
Summary of the invention
The object of the invention is to provide a kind of automatic Powder hold down gag, can adopt mechanization, the mode of automation evenly compresses powder, the powder of compression be distributed uniformly with the close degree of certain matter, is convenient to the shaping of product.
For above problem, provide following technical scheme: a kind of automatic Powder hold down gag, the depression bar that described hold down gag comprises the cylindrical tube corresponding with powder and is placed in cylindrical shell, the end of depression bar arranges the pressure head for compressing powder; It is characterized in that: also comprise depression bar clamping device depression bar to constant clamping force, drive depression bar clamping device to make depression bar in cylindrical shell, do the driving mechanism for compressing back and forth moved up and down, driving depression bar clamping device, driving mechanism for compressing make depression bar in cylindrical shell, do the circumferential movement mechanism of circumference movement; By pressure head in cylindrical shell move up and down and mobile realization of circumference progressively compresses the powder at cylinder inboard wall periphery place.
Adopt said structure, depression bar is under the cooperation of driving mechanism for compressing and circumferential movement mechanism drives, the pressure head of corresponding depression bar takes turns doing along cylinder inboard wall and presses down, promotes the alternating movement with circumference movement, depression bar compresses the multiple step format that circumferentially does of the powder in cylindrical shell at cylindrical shell, can realize evenly compressing accurately powder, powder is uniformly distributed in cylindrical shell; Carrying out in the process to powder pre-pressing, powder can constantly increase at the height and position of cylindrical shell, because depression bar clamping device has constant chucking power to depression bar, namely the ram position of depression bar can constantly raise, to ensure that the pressure of pressure head for powder is for steady state value, be convenient to the even compression of depression bar to powder, be convenient to the shaping of product.
The present invention is also set to further, described depression bar clamping device comprises clamping limb depression bar being carried out to constant clamping, described circumferential movement mechanism comprises the rotary flange that can rotate relative to cartridge openings end, described rotary flange arranges lead, clamping limb and lead pivot bush unit, described clamping limb is moved up and down along lead by the driving of driving mechanism for compressing; Described circumferential movement mechanism also comprises the unidirectional walked frame linked with rotary flange and the circumferential drive link linked with clamping limb; Described unidirectional walked frame is arranged circumferential transmission component and the ground-engaging wheel of one-directional rotation can be done relative to cylinder body outer wall, circumferential drive link move up and down by the transmission of circumferential transmission component thus ground-engaging wheel does one-directional rotation.
Adopt said structure, clamping limb can carry out the clamping of constant clamping force to depression bar, and clamping limb drives it to be synchronized with the movement up and down with depression bar on the lead of rotary flange by driving mechanism for compressing in the process compressed; Circumference drive link and clamping limb link and move back and forth in the vertical direction, by the transmission of circumferential transmission component, thus indirectly driving the road wheel of unidirectional walked frame to do one-directional rotation, unidirectional walked frame and the interlock of rotary flange arrange and make rotary flange and clamping limb, depression bar and driving mechanism for compressing realize synchronous circumference to rotate.
The present invention is also set to further, and described circumferential transmission component comprises the motion tooth bar that can reciprocatingly slide, the one-way clutch gear engaged with motion rack pinion, and described ground-engaging wheel coordinates with one-way clutch gear drive; The end of described circumferential drive link is arranged through it and moves up and down thus the wedge-like engagement block that reciprocatingly slides of actuation movement tooth bar, described unidirectional walked frame is also arranged for making the end of motion tooth bar and wedge-like engagement block extrude the extruding return spring coordinated.
Adopt said structure, circumference drive link and clamping limb link and arrange, namely circumferential drive link synchronously moves up and down with clamping limb under the driving of driving mechanism for compressing, the wedge-like engagement block of circumference drive link end moves up and down, the tapered ramp of wedge-like engagement block and the matching ends of motion tooth bar, thus actuation movement tooth bar carries out in the enterprising line slip of unidirectional walked frame, the one-way clutch gear that motion rack drives is corresponding and ground-engaging wheel rotate, because cylindrical shell is for being fixedly installed, ground-engaging wheel and cylinder body outer wall produce relative motion, namely ground-engaging wheel does circumference walking at cylinder body outer wall, the unidirectional walked frame of circumferential movement mechanism and the circumferential drive link of correspondence do circumferential movement at the outer wall of cylindrical shell, thus it is mobile to make clamping limb and rotary flange thereof produce circumference, arranging of return spring of extruding can carry out return relative to the tapered ramp of wedge-like engagement block by actuation movement tooth bar, in the process of return, because one-way clutch gear has the function of one-way check function, avoid the reverse return of circumference movement of whole depression bar clamping device, driving mechanism for compressing.
The present invention is also set to further, described clamping limb is arranged the clamping hole being socketed on depression bar, clamping hole inwall arranges the constant clamping device for clamping depression bar, described constant clamping device is the air expansion sleeve be fixed in clamping hole, and air expansion sleeve inwall arranges multiple scalable projection for fixed clamp depression bar.
Adopt said structure, air expansion sleeve in use, when needs clamp depression bar, corresponding projection just stretches out, when needing to dismantle, corresponding projection then pinch in, this step can control the clamping of flexible projection for the constant clamping force of depression bar by air expansion sleeve being connected to high-pressure air source.
The present invention is also set to further, and the openend of described cylindrical shell arranges the ring flange for supporting rotary flange, and arranges between ring flange and rotary flange and make in both plane bearings in relative rotation.
Adopt said structure, rotary flange rotates in a circumferential direction relative to ring flange, makes structure structure of the present invention simpler.
The present invention is also set to further, and described driving mechanism for compressing is drive the cylinder that moves up and down of clamping limb, and described cylinder to be arranged on rotary flange and to be positioned at and arranges near the position of depression bar.
Adopt said structure, cylinder can realize arranging with the interlock of clamping limb, and cylinder is close to depression bar direction and arranges, and the operating efficiency of cylinder can be made higher, is convenient to drive moving up and down of clamping limb.
The present invention is also set to further, described ground-engaging wheel is the walking gear that coordinates with one-way clutch gear and both are coaxially connected up and down by fixed axis, described ground-engaging wheel is walking gear, and companion flange dish arranges the circumference walking rack rails corresponding with walking gear on its circumferential side wall.
Adopt said structure, unidirectional walked frame structure can be made more compact, the setting of the rack rails of circumference walking simultaneously makes ground-engaging wheel carry out circumferential movement on the circumferential side wall at ring flange place.
The present invention is also set to further, and described wedge-like engagement block comprises vertical portion setting up and down and wedge-shaped part, and corresponding motion tooth bar end arranges corresponding vertical mating surface and wedge-like engagement face.
Adopt said structure, can make depression bar after completing local compaction, now circumferential drive link rises, and motion tooth bar coordinates with vertical portion, and namely motion tooth bar does not produce slip, when depression bar rising arrive certain altitude time; Corresponding wedge-shaped part coordinates with motion tooth bar, rotary flange just can be made to produce circumference mobile, such structure, preventing the pressure head of depression bar from just producing circumference when contacting with powder mobile, being not easy to the compression to powder, only having when depression bar rises to certain height, now carry out circumference to depression bar again to move, pressure head, when circumferential movement, just can not contact with the powder of surrounding, is convenient to the even compression of powder.
The present invention is also set to further, described clamping limb and circumferential drive link are socketed on lead and setting up and down on lead respectively, removably connect between described clamping limb and circumferential drive link, and the cylinder of correspondence is fixedly connected with circumferential drive link.
After completing the compression to powder, by dismantle separately clamping limb and depression bar, just the powder after compression can be taken out, be convenient to follow-up processing, operate simpler.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of top view of the present invention;
Fig. 3 is cross-sectional view of the present invention;
Fig. 4 is the structural representation of circumferential drive link of the present invention;
Fig. 5 is the structural representation of motion tooth bar of the present invention
Fig. 6 is the structural representation of another embodiment of the invention.
Number in the figure implication: 1-cylindrical shell; 11-ring flange; 12-circumference walking rack rails; 13-inner barrel; 14-rubber sleeve; 15-rod core; 2-depression bar; 21-pressure head; 3-rotary flange; 31-lead; 4-clamping limb; 41-air expansion sleeve; 5-circumference drive link; 51-wedge-like engagement block; 511-vertical portion; 512-wedge-shaped part; The unidirectional walked frame of 6-; 61-ground-engaging wheel; 62-motion tooth bar; The vertical mating surface of 621-; 622-wedge-like engagement face; 63-extrudes return spring; 64-fixed axis; 65-one-way clutch gear; 7-cylinder; 8-bolt.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
As shown in Figures 1 to 5, a kind of automatic Powder hold down gag, the depression bar 2 that this hold down gag comprises the cylindrical tube 1 corresponding with powder and is placed in cylindrical shell 1, the end of depression bar 2 arranges the pressure head 21 for compressing powder; For the ease of the shaping taking-up of powder after compacting, when carrying out routine compacting, in cylindrical shell 1, inner barrel 13 is also set, in inner barrel 13, rubber sleeve 14 is also set, also comprise depression bar clamping device depression bar 2 to constant clamping force, drive depression bar clamping device to make depression bar 2 in cylindrical shell 1, do the driving mechanism for compressing back and forth moved up and down, driving depression bar clamping device, driving mechanism for compressing make depression bar 2 in cylindrical shell 1, do the circumferential movement mechanism of circumference movement; By pressure head 21 in cylindrical shell 1 move up and down and mobile realization of circumference progressively compresses the powder at cylindrical shell 1 inwall periphery place.
Wherein depression bar clamping device comprises the clamping limb 4 depression bar 2 being carried out to constant clamping, clamping limb 4 is arranged the clamping hole being socketed on depression bar 2, clamping hole inwall arranges the constant clamping device for clamping depression bar 2, constant clamping device is the air expansion sleeve 41 be fixed in clamping hole, air expansion sleeve 41 inwall arranges multiple scalable projection for fixed clamp depression bar 2, air expansion sleeve 41 is general in use can control the clamping of flexible projection for the constant clamping force of depression bar 2 by being connected to high-pressure air source, air expansion sleeve 41 is when needs clamp depression bar 2, corresponding projection just stretches out, when needing to dismantle depression bar, corresponding projection then pinch in, simultaneously can according to the difference being pressed powder, the force value of high-pressure air source can be regulated, circumferential movement mechanism comprises the rotary flange 3 that can rotate relative to cylindrical shell 1 open end, the openend of cylindrical shell 1 arranges the ring flange 11 for supporting rotary flange 3, and arranges between ring flange 11 and rotary flange 3 and make in both plane bearings (omitting in accompanying drawing) in relative rotation, rotary flange 3 is arranged lead 31, clamping limb 4 and lead 31 pivot bush unit, clamping limb 4 is moved up and down along lead 31 by the driving of driving mechanism for compressing, in the present embodiment, driving mechanism for compressing is the cylinder 7 for driving clamping limb 4, and cylinder 7 to be arranged on rotary flange 3 and to be positioned at and arranges near the position of depression bar 2.Cylinder 7 can realize arranging with the interlock of clamping limb 4, and cylinder 7 is close to depression bar 2 direction and arranges, and the operating efficiency of cylinder 7 can be made higher, is convenient to drive moving up and down of clamping limb 4; Clamping limb 4 can carry out the clamping of constant clamping force to depression bar 2, clamping limb 4 drives it to be synchronized with the movement with depression bar about 2 on the lead 31 of rotary flange 3 by cylinder 7 in the process compressed, and the setting of rotary flange 3 makes it realize synchronous circumference with clamping limb 4, depression bar 2 and cylinder 7 to rotate.Depression bar 2 is under the cooperation of driving mechanism for compressing and circumferential movement mechanism drives, the pressure head 21 of corresponding depression bar 2 takes turns doing along cylindrical shell 1 inwall and presses down, promotes the alternating movement with circumference movement, powder in depression bar 2 pairs of cylindrical shells 1 compresses at the multiple step format that circumferentially does of cylindrical shell 1, can realize evenly compressing accurately powder, powder is uniformly distributed in cylindrical shell 1; In the process of the pre-pressing of conducting powder material, powder can constantly increase at the height and position of cylindrical shell 1, because depression bar clamping device has constant chucking power to depression bar 2, namely depression bar 2 can constantly raise relative to the position of clamping limb 4, to ensure that the pressure of pressure head 21 for powder is for steady state value, be convenient to the even compression of depression bar 2 pairs of powders, be convenient to the shaping of product.
For the ease of the driving of rotary flange 3, circumferential movement mechanism also comprises the unidirectional walked frame 6 linked with rotary flange 3 and the circumferential drive link 5 linked with clamping limb 4, unidirectional walked frame 6 is arranged the ground-engaging wheel 61 doing circumferential movement relative to cylindrical shell 1 outer wall, circumference transmission component, after the transmission moved up and down by circumferential transmission component of circumference drive link 5, drive the rotation of ground-engaging wheel 61, in this enforcement, unidirectional walked frame 6 is fixed on rotary flange 3, circumference transmission component comprises the motion tooth bar 62 that can reciprocatingly slide, with the one-way clutch gear 65 of motion tooth bar 62 gears meshing, ground-engaging wheel 61 coordinates with one-way clutch gear 65 transmission and does unidirectional circumferential movement relative to cylindrical shell 1 outer wall, the end of circumference drive link 5 is arranged through it and moves up and down thus the wedge-like engagement block 51 that reciprocatingly slides of actuation movement tooth bar 62, motion tooth bar 62 is vertically arranged relative to the direction that moves up and down of circumferential drive link 5, described unidirectional walked frame 6 is also arranged for making the end of motion tooth bar 62 extrude with wedge-like engagement block 51 the extruding return spring 63 coordinated.Circumference drive link 5 links with clamping limb 4 and arranges, namely circumferential drive link 5 synchronously moves up and down with clamping limb 4 under the driving of driving mechanism for compressing, the wedge-like engagement block 51 of circumference drive link 5 end moves up and down, the tapered ramp of wedge-like engagement block 51 and the matching ends of motion tooth bar 62, thus actuation movement tooth bar 62 carries out in the enterprising line slip of unidirectional walked frame 6, motion tooth bar 62 drives corresponding one-way clutch gear 65 to rotate with ground-engaging wheel 61, because cylindrical shell 1 is for being fixedly installed, ground-engaging wheel 61 and cylindrical shell 1 outer wall produce relative motion, namely ground-engaging wheel 61 does circumference walking at cylindrical shell 1 outer wall, the unidirectional walked frame 6 of circumferential movement mechanism and the circumferential drive link 5 of correspondence do circumferential movement at the outer wall of cylindrical shell 1, thus it is mobile to make clamping limb 4 and rotary flange 3 thereof produce circumference, arranging of return spring 63 of extruding can carry out return relative to the tapered ramp of wedge-like engagement block 51 by actuation movement tooth bar 62, in the process of return, because one-way clutch gear 65 has the function of one-way check function, avoid the reverse return of circumference movement of whole depression bar clamping device, driving mechanism for compressing.
In order to simplify circumferential movement mechanism, ground-engaging wheel 61 is the walking gear that coordinates with one-way clutch gear 65 and both are connected up and down by fixed axis 64 is coaxial, ground-engaging wheel 61 is walking gear, and companion flange dish 11 arranges the circumference walking rack rails 12 corresponding with walking gear on its circumferential side wall.Unidirectional walked frame 6 structure can be made more compact, and the setting of the rack rails 12 of circumference walking simultaneously makes ground-engaging wheel 61 carry out circumferential movement on the circumferential side wall at ring flange 11 place.
In order to more be convenient to the compression of depression bar 2 pairs of powders, wedge-like engagement block 51 comprises vertical portion 511 setting up and down and wedge-shaped part 512, and corresponding motion tooth bar 62 end arranges corresponding vertical mating surface 621 and wedge-like engagement face 622.Can make depression bar 2 after completing local compaction, now circumferential drive link 5 rises, and motion tooth bar 62 coordinates with vertical portion 511, and namely motion tooth bar 62 does not produce slip, when depression bar 2 rise to certain altitude time; Corresponding wedge-shaped part 512 coordinates with motion tooth bar 62, rotary flange 3 just can be made to produce circumference mobile, such structure, preventing the pressure head 21 of depression bar 2 from just producing circumference when contacting with powder mobile, being not easy to the compression to powder, only having when depression bar 2 rises to certain height, now carry out circumference to depression bar 2 again to move, pressure head 21, when circumferential movement, just can not contact with the powder of surrounding, is convenient to the even compression of powder.
For the ease of by the shaping taking-up of powder after compressing and to be convenient to follow-up compression shaping, clamping limb 4 and circumferential drive link 5 be socketed on lead 31 respectively and lead twist on 31 setting up and down, removably connected by bolt 8 between clamping limb 4 and circumferential drive link 5, and the cylinder 7 of correspondence is fixedly connected with circumferential drive link 5; Can, by dismantle separately clamping limb 4 and depression bar 2, operate simpler.
As shown in Figure 6, the shape of cylindrical shell 1 of the present invention is except for except cylindrical tube 1, it can also be Polygonal barrel, certainly in the process to powder pre-pressing, compacted powder semi-finished product can be hollow, also can be entity, when powder semi-finished product are hollow, need to place excellent core 15 in rubber sleeve 14, corresponding pressure head 21 is between excellent core 15 and rubber sleeve 14 inwall.
The above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improvement of above-mentioned hypothesis and modification also should be considered as protection scope of the present invention.
Claims (9)
1. an automatic Powder hold down gag, the depression bar that described hold down gag comprises the cylindrical tube corresponding with powder and is placed in cylindrical shell, the end of depression bar arranges the pressure head for compressing powder; It is characterized in that: also comprise depression bar clamping device depression bar to constant clamping force, drive depression bar clamping device to make depression bar in cylindrical shell, do the driving mechanism for compressing back and forth moved up and down, driving depression bar clamping device, driving mechanism for compressing make depression bar in cylindrical shell, do the circumferential movement mechanism of circumference movement; By pressure head in cylindrical shell move up and down and mobile realization of circumference progressively compresses the powder at cylinder inboard wall periphery place.
2. a kind of automatic Powder hold down gag according to claim 1, it is characterized in that: described depression bar clamping device comprises clamping limb depression bar being carried out to constant clamping, described circumferential movement mechanism comprises the rotary flange that can rotate relative to cartridge openings end, described rotary flange arranges lead, clamping limb and lead pivot bush unit, described clamping limb is moved up and down along lead by the driving of driving mechanism for compressing; Described circumferential movement mechanism also comprises the unidirectional walked frame linked with rotary flange and the circumferential drive link linked with clamping limb; Described unidirectional walked frame is arranged circumferential transmission component and the ground-engaging wheel of one-directional rotation can be done relative to cylinder body outer wall, circumferential drive link move up and down by the transmission of circumferential transmission component thus ground-engaging wheel does one-directional rotation.
3. a kind of automatic Powder hold down gag according to claim 2, it is characterized in that: described circumferential transmission component comprises the motion tooth bar that can reciprocatingly slide, the one-way clutch gear engaged with motion rack pinion, and described ground-engaging wheel coordinates with one-way clutch gear drive; The end of described circumferential drive link is arranged through it and moves up and down thus the wedge-like engagement block that reciprocatingly slides of actuation movement tooth bar, described unidirectional walked frame is also arranged for making the end of motion tooth bar and wedge-like engagement block extrude the extruding return spring coordinated.
4. a kind of automatic Powder hold down gag according to Claims 2 or 3, it is characterized in that: described clamping limb is arranged the clamping hole being socketed on depression bar, clamping hole inwall arranges the constant clamping device for clamping depression bar, described constant clamping device is the air expansion sleeve be fixed in clamping hole, and air expansion sleeve inwall arranges multiple scalable projection for fixed clamp depression bar.
5. a kind of automatic Powder hold down gag according to claim 1 or 2 or 3, it is characterized in that: the openend of described cylindrical shell arranges the ring flange for supporting rotary flange, and arrange between ring flange and rotary flange and make in both plane bearings in relative rotation.
6. a kind of automatic Powder hold down gag according to claim 1 or 2 or 3, is characterized in that: described driving mechanism for compressing is drive the cylinder that moves up and down of clamping limb, and described cylinder to be arranged on rotary flange and to be positioned at and arranges near the position of depression bar.
7. a kind of automatic Powder hold down gag according to claim 3, it is characterized in that: described ground-engaging wheel is the walking gear that coordinates with one-way clutch gear and both are coaxially connected up and down by fixed axis, described ground-engaging wheel is walking gear, and companion flange dish arranges the circumference walking rack rails corresponding with walking gear on its circumferential side wall.
8. a kind of automatic Powder hold down gag according to claim 3 or 7, is characterized in that: described wedge-like engagement block comprises vertical portion setting up and down and wedge-shaped part.
9. a kind of automatic Powder hold down gag according to claim 6, it is characterized in that: described clamping limb and circumferential drive link are socketed on lead and setting up and down on lead respectively, removably connect between described clamping limb and circumferential drive link, and the cylinder of correspondence is fixedly connected with circumferential drive link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593896.9A CN104441743B (en) | 2014-10-16 | 2014-10-16 | A kind of automatic Powder hold down gag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593896.9A CN104441743B (en) | 2014-10-16 | 2014-10-16 | A kind of automatic Powder hold down gag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104441743A true CN104441743A (en) | 2015-03-25 |
| CN104441743B CN104441743B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410593896.9A Expired - Fee Related CN104441743B (en) | 2014-10-16 | 2014-10-16 | A kind of automatic Powder hold down gag |
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| CN (1) | CN104441743B (en) |
Cited By (3)
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| CN105500762A (en) * | 2016-01-28 | 2016-04-20 | 浙江大学 | Powder laying device for shaping face powder |
| CN109016305A (en) * | 2018-09-06 | 2018-12-18 | 陈烈 | A kind of high voltage bearing lining of pipe line molding machine and its forming method |
| CN112895567A (en) * | 2021-01-18 | 2021-06-04 | 重庆医药高等专科学校 | Powder tablet press |
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| CN112895567A (en) * | 2021-01-18 | 2021-06-04 | 重庆医药高等专科学校 | Powder tablet press |
| CN112895567B (en) * | 2021-01-18 | 2023-02-10 | 重庆医药高等专科学校 | Powder tablet press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104441743B (en) | 2016-08-31 |
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