CN210996498U - Hot-pressing die powder forming machine - Google Patents
Hot-pressing die powder forming machine Download PDFInfo
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- CN210996498U CN210996498U CN201922069475.7U CN201922069475U CN210996498U CN 210996498 U CN210996498 U CN 210996498U CN 201922069475 U CN201922069475 U CN 201922069475U CN 210996498 U CN210996498 U CN 210996498U
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- 239000000843 powder Substances 0.000 title claims abstract description 47
- 238000007731 hot pressing Methods 0.000 title abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 48
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 238000007667 floating Methods 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims description 13
- 230000006698 induction Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model discloses a hot-pressing die powder forming machine, which comprises a frame, a first driving piece fixed on the frame, an upper die assembly driven by the first driving piece to move up and down, a middle die assembly positioned below the upper die assembly, a lower die assembly positioned below the middle die assembly, a driving module for driving the middle die assembly to move up and down, a second driving piece for driving the lower die assembly to move up and down, and a powder feeding module, wherein the upper die assembly comprises a first cooling plate, an upper die core fixing plate fixed below the first cooling plate, a first heating plate positioned below the upper die core fixing plate and elastically connected with the first cooling plate in a floating manner, and an upper die core fixed on the upper die core fixing plate and passing through the first heating plate; the lower die assembly comprises a second cooling plate positioned at the bottommost part, a second heating plate positioned above the second cooling plate, and a lower die plate fixed on the second heating plate. The utility model discloses can heat the powder to the remolding behind the settlement temperature according to the technological requirement, application scope is wider.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of the powder forming equipment, especially, relate to a hot pressing mould powder forming machine.
[ background of the invention ]
Powder forming machines are devices for pressing metal powder into a product of a fixed shape and are widely used in manufacturing industry. The powder forming machine generally includes an upper die assembly, a lower die assembly, a driving assembly for driving the upper die assembly and the lower die assembly to close and open the dies, and a powder feeding unit. Most of powder forming machines in the prior art adopt a cold pressing technology, and powder is directly formed under high pressure without heating, so that some process requirements cannot be met.
Therefore, there is a need to provide a new hot-die powder molding machine to solve the above problems.
[ Utility model ] content
The utility model aims to provide a hot pressing mould powder forming machine can heat the powder to the remolding behind the settlement temperature according to the technological requirement, and application scope is wider.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a hot-pressing die powder forming machine comprises a machine frame, a first driving piece fixed on the machine frame, an upper die assembly driven by the first driving piece to move up and down, a middle die assembly positioned below the upper die assembly, a lower die assembly positioned below the middle die assembly, a driving module driving the middle die assembly to move up and down, a second driving piece driving the lower die assembly to move up and down, and a powder feeding module, wherein the upper die assembly comprises a first cooling plate, an upper die core fixing plate fixed below the first cooling plate, a first heating plate positioned below the upper die core fixing plate and elastically connected with the first cooling plate in a floating mode, and an upper die core fixed on the upper die core fixing plate and penetrating through the first heating plate; the lower die assembly comprises a second cooling plate located at the bottommost part, a second heating plate located above the second cooling plate, and a lower die plate fixed on the second heating plate.
Further, the rack comprises a lower support plate, an upper support plate arranged on the lower support plate through a support rod, a middle support plate fixed on the support rod, and a bottom support plate fixed below the lower support plate through a plurality of second guide rods; the second driving piece is fixed on the bottom supporting plate, the first driving piece is fixed on the upper supporting plate, and the upper die assembly is located below the middle supporting plate.
Furthermore, the middle supporting plate and the upper supporting plate are provided with a plurality of first guide rods and a first mounting plate, the first guide rods are provided with a first movable plate which can move up and down synchronously with the upper die assembly, the first movable plate is provided with an induction sheet, and the first mounting plate is provided with a plurality of sensors for inducing the induction sheet.
Further, the lower die assembly comprises a second movable plate driven by the second driving part to move up and down on the second guide rod, a plurality of third guide rods fixed on the second movable plate, a lower die fixing plate fixed at the top ends of the third guide rods, a second cooling plate fixed on the lower supporting plate, a lower die core fixing plate fixed on the second cooling plate, and a lower die core fixed on the lower die core fixing plate and extending into the lower die plate through the second heating plate; the second heating plate is fixed on the lower die fixing plate.
Furthermore, the driving module comprises a third driving part and a plurality of screw rods which are fixed on the second movable plate, a third movable plate which is in matched transmission with the screw rods through nut sleeves and moves up and down on the third guide rods, and a plurality of fourth guide rods which are fixed on the third movable plate and penetrate through the lower die fixing plate.
Furthermore, the middle die assembly comprises a middle die fixing plate fixed on the fourth guide rod and a middle die plate fixed on the middle die fixing plate.
Further, the middle template, the lower mold core and the upper mold core form a product cavity together.
Furthermore, a third mounting plate is arranged between the lower supporting plate and the bottom supporting plate, a sensor is arranged on the third mounting plate, and an induction sheet induced by the sensor is arranged on the second movable plate.
Furthermore, a fourth mounting plate is arranged on the second movable plate, a sensor is arranged on the fourth mounting plate, and an induction sheet induced by the sensor is arranged on the third movable plate.
Furthermore, the first cooling plate, the second cooling plate, the lower die fixing plate and the middle die fixing plate are all internally provided with cooling channels and connected with an external cooling circulation pipeline.
Compared with the prior art, the utility model relates to a hot pressing mould powder forming machine's beneficial effect lies in: the hot pressing technology is adopted, the heating and cooling functions are realized, the powder is heated and formed, more process requirements are met, and the application range is expanded; the upper die and the lower die of the hot-pressing die are both provided with the heating blocks and the cooling blocks, and the cooling channels are also added in the die fixing plate, so that heating and cooling can be realized quickly, and the forming efficiency is improved.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of an upper portion of a rack according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of an upper mold assembly in an embodiment of the present invention;
fig. 4 is an exploded schematic view of the middle mold component and the lower mold component in the embodiment of the present invention;
fig. 5 is a schematic side view of the lower die assembly and the driving module according to the embodiment of the present invention;
fig. 6 is a schematic structural view of a lower portion of the rack according to an embodiment of the present invention;
the figures in the drawings represent:
100 hot-die powder molding machine;
1, a frame, 11 lower supporting plates, 12 supporting rods, 13 upper supporting plates, 14 middle supporting plates, 15 first guide rods, 16 first mounting plates, 17 first movable plates, 18 sensing pieces, 19 sensors, 110 second guide rods, 111 bottom supporting plates, 112 third mounting plates and 113 sensors;
2 a first driving member;
3, an upper die assembly, 31 a second mounting plate, 32 a first cooling plate, 33 an upper die core fixing plate, 34 a first heating plate and 35 an upper die core;
4 middle die assembly, 41 middle die fixing plate, 42 middle die plate, 421 powder dropping hole;
5, a lower die assembly, a 51 second movable plate, a 511 fourth mounting plate, a 512 sensor, a 52 third guide rod, a 53 lower die fixing plate, a 54 second heating plate, a 55 lower die plate, a 56 second cooling plate, a 57 lower die core fixing plate and a 58 lower die core;
6 driving module, 61 third driving piece, 62 screw rod, 63 third movable plate and 64 fourth guide rod;
7 a second driving member; 8 a return spring.
[ detailed description ] embodiments
Example (b):
referring to fig. 1 to 6, the present embodiment is a hot-press die powder forming machine 100, which includes a frame 1, a first driving member 2 fixed on the frame 1, an upper die assembly 3 driven by the first driving member 2 to move up and down, a middle die assembly 4 located below the upper die assembly 3, a lower die assembly 5 located below the middle die assembly 4, a driving module 6 driving the middle die assembly 4 to move up and down, a second driving member 7 driving the lower die assembly 5 to move up and down, and a powder feeding module (not shown).
The first driving member 2 and the second driving member 7 are hydraulic cylinders, servo electric cylinders, etc.
The frame 1 includes a lower support plate 11, an upper support plate 13 disposed on the lower support plate 11 through a support rod 12, and a middle support plate 14 fixed on the support rod 12.
A plurality of first guide rods 15 and a first mounting plate 16 are arranged between the middle supporting plate 14 and the upper supporting plate 13, the first guide rods 15 are movably arranged up and down on a first movable plate 17 which moves up and down synchronously with the upper die assembly 3, a sensing sheet 18 is arranged on the first movable plate 17, a plurality of sensors 19 which sense the sensing sheet 18 are arranged on the first mounting plate 16, and the moving distance and the moving range of the upper die assembly 3 are monitored and limited by the sensors 19.
The first drive member 2 is fixed to the upper support plate 13 and the upper die assembly 3 is located below the middle support plate 14.
The upper die assembly 3 comprises a second mounting plate 31 which is moved up and down by the first driving member 2, a first cooling plate 32 fixed below the second mounting plate 31, an upper die core fixing plate 33 fixed below the first cooling plate 32, a first heating plate 34 located below the upper die core fixing plate 33 and elastically connected with the second mounting plate 31 in a floating manner, and an upper die core 35 fixed on the upper die core fixing plate 33 and passing through the first heating plate 33.
The lower part of the lower support plate 11 is connected with a bottom support plate 111 through a plurality of second guide rods 110, and the second driving member 7 is fixed on the bottom support plate 111.
The lower mold assembly 5 comprises a second movable plate 51 driven by a second driving member 7 to move up and down on a second guide rod 110, a plurality of third guide rods 52 fixed on the second movable plate 51, a lower mold fixing plate 53 fixed at the top ends of the third guide rods 52, a second heating plate 54 fixed on the lower mold fixing plate 53, a lower mold plate 55 fixed on the second heating plate 54, a second cooling plate 56 fixed on the lower support plate 11, a lower mold core fixing plate 57 fixed on the second cooling plate 56, and a lower mold core 58 fixed on the lower mold core fixing plate 57 and extending into the lower mold plate 55 through the second heating plate 54.
The driving module 6 includes a third driving member 61 fixed on the second movable plate 51, a plurality of lead screws 62, a third movable plate 63 driven by the nut sleeve and the lead screws 62 and moving up and down on the third guide rods 52, and a plurality of fourth guide rods 64 fixed on the third movable plate 63 and passing through the lower mold fixing plate 53. The rotating end of the third driving member 61 realizes power transmission with the synchronizing wheel and the lead screw 62 through the synchronous belt, the lead screw 62 is driven to rotate through the third driving member 61, and the up-and-down movement of the third movable plate 63 is realized under the nut-screw transmission effect, so that the up-and-down movement of the fourth guide rod 64 fixed on the third movable plate 63 and the middle die assembly 4 is obtained.
The intermediate mold assembly 4 includes an intermediate mold fixing plate 41 fixed to the fourth guide bar 64, and an intermediate mold plate 42 fixed to the intermediate mold fixing plate 41.
The middle mold plate 42, the lower mold plate 55, the lower mold core 58 and the upper mold core 35 together form a product cavity. The middle mold plate 42 is provided with a plurality of powder falling holes 421 penetrating through the product cavity, and the powder falling holes 421 correspond to the upper mold cores 35 one by one.
A third mounting plate 112 is arranged between the lower support plate 11 and the bottom support plate 111, a sensor 113 is arranged on the third mounting plate 112, an induction sheet (not shown) is arranged on the second movable plate 51, and the movable range of the second movable plate 51 can be limited by the cooperation induction of the sensor 113 and the induction sheet.
The second movable plate 51 is provided with a fourth mounting plate 511, the fourth mounting plate 511 is provided with a sensor 512, the third movable plate 63 is provided with a sensing sheet (not shown) sensed by the sensor 512, and the range of motion of the third movable plate 63 can be limited by the cooperative sensing of the sensor 512 and the sensing sheet.
A return spring 8 is further disposed between the second movable plate 51 and the lower support plate 11.
The first cooling plate 32, the second cooling plate 56, the lower die fixing plate 53 and the middle die fixing plate 41 are all provided with cooling channels therein and connected with an external cooling circulation pipeline.
The working principle of the hot-die powder molding machine 100 of the present embodiment is as follows: in an initial state, the middle die assembly 4 and the lower die assembly 5 are in an open state;
1) placing a product on the lower template 55, then driving the middle template assembly 4 to descend by the driving module 6, and closing the middle template 42 and the lower template 55;
2) the powder feeding module feeds powder, the powder enters the cavity through the powder falling hole 421 of the middle template 42, and the powder feeding module exits;
3) the first driving part 2 drives the upper die assembly 3 to descend, and the first heating block 34 is firstly pressed with the middle template 42;
4) the first heating block 34 heats the surface of the middle template 42 at the upper part of the cavity, and the second heating block 54 heats the surface of the lower template 55 below the cavity;
5) after heating, the first driving part 2 drives the upper die component 3 to continuously descend to press the product, and as the first heating block 34 is elastically and floatingly arranged on the second mounting plate 31, the upper die core 35 is inserted in place to form a complete die cavity to complete product molding along with the continuous descending of the upper die component 3;
6) after the compression molding, the upper die assembly 3 rises and opens the die, then the driving module 6 drives the middle die assembly 4 to rise and open the die, and finally the first driving piece 2 drives the lower die plate 55 in the lower die assembly 5 to descend for a set distance, so that the lower die core 58 positioned below is upward relative to the die cavity to eject the product out of the die;
7) after demolding, the product is taken out, and the mold is cooled by the cooling channels in the first cooling plate 32, the second cooling plate 56, the lower mold fixing plate 53, and the middle mold fixing plate 41.
In the hot-pressing die powder forming machine 100 of the embodiment, a hot-pressing technology is adopted, the hot-pressing die powder forming machine has a heating and cooling function, and powder is formed after being heated, so that more process requirements are met, and the application range is expanded; the upper die and the lower die of the hot-pressing die are both provided with the heating blocks and the cooling blocks, and the cooling channels are also added in the die fixing plate, so that heating and cooling can be realized quickly, and the forming efficiency is improved.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (10)
1. The utility model provides a hot die powder forming machine which characterized in that: the powder feeding device comprises a rack, a first driving part fixed on the rack, an upper die assembly driven by the first driving part to move up and down, a middle die assembly positioned below the upper die assembly, a lower die assembly positioned below the middle die assembly, a driving module driving the middle die assembly to move up and down, a second driving part driving the lower die assembly to move up and down and a powder feeding module, wherein the upper die assembly comprises a first cooling plate, an upper die core fixing plate fixed below the first cooling plate, a first heating plate positioned below the upper die core fixing plate and elastically connected with the first cooling plate in a floating manner, and an upper die core fixed on the upper die core fixing plate and penetrating through the first heating plate; the lower die assembly comprises a second cooling plate located at the bottommost part, a second heating plate located above the second cooling plate, and a lower die plate fixed on the second heating plate.
2. A die powder molding machine as claimed in claim 1, wherein: the rack comprises a lower supporting plate, an upper supporting plate arranged on the lower supporting plate through a supporting rod, a middle supporting plate fixed on the supporting rod, and a bottom supporting plate fixed below the lower supporting plate through a plurality of second guide rods; the second driving piece is fixed on the bottom supporting plate, the first driving piece is fixed on the upper supporting plate, and the upper die assembly is located below the middle supporting plate.
3. A die powder molding machine as claimed in claim 2, wherein: the middle part backup pad with go up and be provided with a plurality of first guide arms, first mounting panel between the backup pad, mobilizable about on the first guide arm be provided with go up the first fly leaf of mould subassembly synchronous up-and-down motion, be provided with the response piece on the first fly leaf, be provided with a plurality of responses on the first mounting panel the sensor of response piece.
4. A die powder molding machine as claimed in claim 2, wherein: the lower die assembly comprises a second movable plate driven by the second driving piece to move up and down on the second guide rod, a plurality of third guide rods fixed on the second movable plate, a lower die fixing plate fixed at the top ends of the third guide rods, a second cooling plate fixed on the lower supporting plate, a lower die core fixing plate fixed on the second cooling plate, and a lower die core fixed on the lower die core fixing plate and extending into the lower die plate through the second heating plate; the second heating plate is fixed on the lower die fixing plate.
5. A die powder molding machine as claimed in claim 4, wherein: the driving module comprises a third driving piece and a plurality of screw rods which are fixed on the second movable plate, a third movable plate which is in matched transmission with the screw rods through nut sleeves and moves up and down on the third guide rods, and a plurality of fourth guide rods which are fixed on the third movable plate and penetrate through the lower die fixing plate.
6. A die powder molding machine as claimed in claim 5, wherein: the middle die assembly comprises a middle die fixing plate fixed on the fourth guide rod and a middle die plate fixed on the middle die fixing plate.
7. The die powder molding machine according to claim 6, wherein: the middle template, the lower mold core and the upper mold core form a product cavity together.
8. A die powder molding machine as claimed in claim 7, wherein: a third mounting plate is arranged between the lower supporting plate and the bottom supporting plate, a sensor is arranged on the third mounting plate, and an induction sheet induced by the sensor is arranged on the second movable plate.
9. A die powder molding machine as claimed in claim 8, wherein: the second movable plate is provided with a fourth mounting plate, the fourth mounting plate is provided with a sensor, and the third movable plate is provided with an induction sheet induced by the sensor.
10. A die powder molding machine as claimed in claim 9, wherein: the first cooling plate, the second cooling plate, the lower die fixing plate and the middle die fixing plate are all internally provided with cooling channels and connected with an external cooling circulation pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922069475.7U CN210996498U (en) | 2019-11-27 | 2019-11-27 | Hot-pressing die powder forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922069475.7U CN210996498U (en) | 2019-11-27 | 2019-11-27 | Hot-pressing die powder forming machine |
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| CN210996498U true CN210996498U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922069475.7U Active CN210996498U (en) | 2019-11-27 | 2019-11-27 | Hot-pressing die powder forming machine |
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| CN (1) | CN210996498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317741A (en) * | 2020-09-14 | 2021-02-05 | 扬州钰能精密机械科技有限公司 | Mixed powder metallurgy die with cooling water channel and cooling air duct |
-
2019
- 2019-11-27 CN CN201922069475.7U patent/CN210996498U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317741A (en) * | 2020-09-14 | 2021-02-05 | 扬州钰能精密机械科技有限公司 | Mixed powder metallurgy die with cooling water channel and cooling air duct |
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