CN211333741U - Powder press for forming ceramic fuse - Google Patents
Powder press for forming ceramic fuse Download PDFInfo
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- CN211333741U CN211333741U CN201922012217.5U CN201922012217U CN211333741U CN 211333741 U CN211333741 U CN 211333741U CN 201922012217 U CN201922012217 U CN 201922012217U CN 211333741 U CN211333741 U CN 211333741U
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Abstract
The utility model discloses a powder press for ceramic fuse shaping, including the lower mould subassembly that has the die cavity and with lower mould subassembly cooperation extrusion powder shaping's the subassembly of punching a hole, the bottom of die cavity is equipped with more than one and runs through the passageway, wears to be equipped with one in each runs through the passageway and can follow the pore-forming core bar that runs through passageway up-and-down motion in order to stretch into or withdraw from the die cavity, and the powder press is still including the core bar drive assembly who is used for driving each pore-forming core bar up-and-down motion. Adopt the utility model discloses shaping ceramic fuse need not carry out artifical drilling to the work piece after firing, can avoid because carry out drilling and the defect, the dark crackle that produce, drill bit wearing and tearing, ceramic surface production spot scheduling problem to the ceramic fuse after firing.
Description
Technical Field
The utility model relates to a powder compression moulding equipment technical field, concretely relates to be used for fashioned powder press of ceramic fuse.
Background
The powder molding technology is a special method for manufacturing parts, and has the advantages of high utilization rate of raw material powder, less working hours for processing single parts of a finished part, low cost, capability of producing parts with complex shapes in large quantities, reduction of subsequent processing and the like, and occupies an increasingly important position in the field of molding technology and equipment.
The ceramic fuse is processed and manufactured by a powder forming technology, however, the existing powder press can only form the appearance of the ceramic fuse, the hole inside the ceramic fuse can only be simply marked by a positioning mark, after the forming and firing are completed, a drilling machine is needed to be used manually to drill the fired ceramic fuse according to the positioning mark, the drill bit is easy to wear while the fired ceramic fuse is damaged and has dark cracks, and worn scrap iron can be adsorbed to the surface of the fired ceramic fuse and generates spots by sintering.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art existence, provide the powder press of the direct pore-forming when the press forming to avoid the produced a series of problems of ceramic fuse drilling.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the powder press for forming the ceramic fuse comprises a lower die assembly with a die cavity and an upper punch assembly matched with the lower die assembly to extrude powder for forming, wherein the bottom of the die cavity is provided with more than one through channel, each through channel is penetrated with a pore-forming core rod capable of moving up and down along the through channel to stretch into or withdraw from the die cavity, and the powder press further comprises a core rod driving assembly used for driving each pore-forming core rod to move up and down.
Foretell a powder press for ceramic fuse shaping, preferably, the upper punch subassembly includes the upper punch and is used for driving the upper punch to stretch into die cavity extrusion powder shaping's drift drive assembly from top to bottom, the confession has been seted up to the extrusion terminal surface of upper punch the recess that the pore-forming core bar was inserted.
In the powder press for ceramic fuse molding, preferably, the core bar driving assembly includes a core bar mounting plate and two or more driving cylinders mounted on a fixing plate, the pore-forming core bar is fixedly mounted on the core bar mounting plate, and piston rods of the two or more driving cylinders are respectively connected with the core bar mounting plate to drive the core bar mounting plate to move up and down.
In the powder press for forming the ceramic fuse, preferably, more than two groups of supporting assemblies for supporting the core bar mounting plate during powder pressing forming are further mounted on the fixing plate, each supporting assembly comprises a cushion block and a conversion cylinder mounted on the fixing plate, the cushion block is supported and placed on the upper end face of the fixing plate, and the driving end of the conversion cylinder is connected with the cushion block and can drive the cushion block to move on the upper end face of the fixing plate so as to convert the cushion block between the bottom end of the supporting core bar mounting plate and two positions located outside the core bar mounting plate.
In the powder press for forming the ceramic fuse, the driving cylinder and the converting cylinder are preferably respectively connected with a control cabinet of the powder press.
In the powder press for ceramic fuse molding, preferably, the pore-forming core bar is tightly mounted on the core bar mounting plate through a core bar pressing plate, the core bar pressing plate is fixed with the core bar mounting plate through a screw rod penetrating through the fixing mounting hole, the core bar pressing plate is provided with a core bar mounting groove and a fixing mounting hole, the core bar mounting groove is an inverted T-shaped groove, and the pore-forming core bar is provided with an inverted T-shaped cylinder fixing part which is positioned in the core bar mounting groove and is matched with the core bar mounting groove.
In the powder press for forming the ceramic fuse, preferably, the core bar driving assembly is provided with two driving cylinders, the two opposite side walls of the fixing plate are respectively provided with a cylinder positioning plate, and the two driving cylinders are respectively and correspondingly fixedly mounted on the cylinder positioning plates of the two side walls.
In the powder press for forming the ceramic fuse, preferably, the lower die assembly is supported and mounted on the fixing plate through a lower punch gasket, two through grooves are symmetrically formed in the upper portion of the side wall of the lower punch gasket, and the core bar mounting plate penetrates through the grooves and can move up and down in the grooves.
In the powder press for ceramic fuse forming, preferably, the lower die assembly includes a lower punch, a lower punch pad and a die base plate detachably mounted on the fixing plate, the die base plate has a cavity forming channel which is through from top to bottom, the lower punch extends into the cavity forming channel from bottom to top and encloses the cavity with the peripheral inner wall of the cavity forming channel, the lower punch is fixedly mounted on the lower punch pad, the lower punch pad is supported on the lower punch pad, and the lower punch pad and the lower punch are provided with through channels through which the hole forming core rod passes.
As a general utility model concept, the present invention also provides a method for forming a ceramic fuse using the above powder press, comprising the steps of:
s1: the driving cylinder is started, and a piston rod of the driving cylinder pushes the core rod mounting plate and the hole forming core rod to move upwards until the hole forming core rod extends into the cavity;
s2: the conversion cylinder is started, and a piston rod of the conversion cylinder pushes the cushion block to move to the position of the bottom end of the supporting core rod mounting plate;
s3: after the die cavity is filled with the filler, the upper punch assembly carries out extrusion forming on the powder in the die cavity;
s4: a piston rod of the conversion cylinder drives the cushion block to move to the position outside the core bar mounting plate;
s5: and the piston rod of the driving cylinder returns to the original position to drive the pore-forming core rod to exit the cavity along with the piston rod.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a during the powder press for ceramic fuse shaping uses, at first core bar drive assembly drive pore-forming core bar upward movement stretches into the die cavity to the pore-forming core bar, carry out extrusion by the powder of upper punch subassembly in to the die cavity after packing to the die cavity, then core bar drive assembly drive pore-forming core bar withdraws from the die cavity, can directly obtain the work piece of pore-forming, use the fashioned ceramic fuse of this powder press, need not drill the ceramic fuse after firing, thereby avoided because the drilling brings for the ceramic fuse after firing defect, dark crackle, drill bit wearing and tearing, a series of problems such as surface spot, this powder press still has simple structure simultaneously, advantages such as the dismouting is simple and convenient.
Drawings
Fig. 1 is a schematic structural diagram of a powder press according to an embodiment of the present invention.
Fig. 2 is a schematic view of an upper punch structure according to an embodiment of the present invention.
Fig. 3 is the utility model discloses conversion cylinder installation sketch map.
Fig. 4 is a schematic structural view of the core bar mounting plate and the core bar pressing plate according to the embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a core rod according to an embodiment of the present invention.
Fig. 6 is a schematic view of a groove structure according to an embodiment of the present invention.
Illustration of the drawings:
1. a cavity; 2. a hole-forming core rod; 3. an upper punch; 31. concave holes; 4. a core bar mounting plate; 5. a core bar pressing plate; 51. a core bar mounting groove; 52. fixing the mounting hole; 6. a driving cylinder; 7. a fixing plate; 8. a conversion cylinder; 81. cushion blocks; 9. a cylinder positioning plate; 10. a lower punch washer; 101. a groove; 11. undershoot; 12. a lower punch backing plate; 13. and a mold base plate.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1, the powder press for ceramic fuse molding of this embodiment includes a lower die assembly having a cavity 1 and an upper punch assembly that is matched with the lower die assembly to extrude powder molding, the bottom of the cavity 1 is provided with more than one through channel, each through channel is provided with a pore-forming core rod 2 that can move up and down along the through channel to extend into or withdraw from the cavity 1, and the powder press further includes a core rod driving assembly for driving each pore-forming core rod 2 to move up and down. When the ceramic fuse is used, firstly, the core rod driving assembly drives the pore-forming core rod 2 to move upwards until the pore-forming core rod 2 extends into the cavity 1, then, the powder in the cavity 1 is extruded and formed by the upper punch assembly after the cavity 1 is filled, then, the core rod driving assembly drives the pore-forming core rod 2 to exit from the cavity 1, a pore-forming workpiece can be directly obtained, and then, the pore-forming workpiece is fired.
As shown in fig. 2, in this embodiment, the upper punch assembly includes an upper punch 3 and a punch driving assembly for driving the upper punch 3 to extend into the cavity 1 from top to bottom for powder extrusion molding, and a concave hole 31 for inserting the hole-forming core rod 2 is formed in an extrusion end surface of the upper punch 3. During the use, the upper punch 3 of upper punch subassembly need act on the die cavity 1 that contains pore-forming core bar 2, extrudees repeatedly the powder in the die cavity 1, and the shrinkage pool 31 with pore-forming core bar matched with is seted up to the extrusion terminal surface of upper punch 3, and pore-forming core bar 2 stretches into corresponding shrinkage pool 31 in extrusion process, and extrusion molding hole that can be better avoids upper punch 3 to extrude pore-forming core bar 2 at the extrusion in-process simultaneously.
In the embodiment, as shown in fig. 3, the core bar driving assembly includes a core bar mounting plate 4 and two or more driving cylinders 6 mounted on a fixing plate 7, the pore-forming core bar 2 is fixedly mounted on the core bar mounting plate 4, and the piston rods of the two or more driving cylinders 6 are respectively connected with the core bar mounting plate 4 to drive the core bar mounting plate 4 to move up and down. The driving cylinder 6 drives the core bar mounting plate 4 to drive the pore-forming core bar 2 to extend into the cavity 1 before filling, and exits from the cavity 1 after extrusion forming, and the driving cylinder 6 is used as a core bar driving mechanism.
In this embodiment, more than two sets of supporting components for supporting the core bar mounting plate 4 during the pressurized powder molding are further mounted on the fixing plate 7, each supporting component comprises a cushion block 81 and a switching cylinder 8 mounted on the fixing plate 7, the cushion block 81 is supported on the upper end face of the fixing plate 7, and the driving end of the switching cylinder 8 is connected with the cushion block 81 and can drive the cushion block 81 to move on the upper end face of the fixing plate 7 so as to switch the cushion block 81 between two positions, namely supporting the bottom end of the core bar mounting plate 4 and being located outside the core bar mounting plate 4. In this embodiment, the cushion block 81 is made of an iron block, the height of the iron block is the height difference between the fixing plate 7 and the core bar mounting plate 4 during the powder compression molding, after the cavity 1 is filled, when the upper punch 3 extrudes powder for molding, the pore-forming core bar 2 is greatly stressed by downward force, the conversion cylinder 8 is added to push the iron block to the bottom end of the supporting core bar mounting plate 4, so that the iron block bears the acting force of the upper punch 3 on the core bar mounting plate 4, the damage of the piston rod of the cylinder due to the fact that the acting force of the upper punch 3 cannot be borne can be avoided, and meanwhile, the pore-forming capacity of the core bar mounting plate 4 is improved to a certain extent, thereby ensuring the molding quality and the service life of the powder press, and avoiding the failure caused by the fact that the pore-forming core bar 2 falls from the cavity.
In this embodiment, the driving cylinder 6 and the converting cylinder 8 are respectively connected to the control cabinet of the powder press. Because the powder press is a full-automatic powder press, the filling and extrusion forming of the powder press are automatically controlled by a control cabinet, the driving cylinder 6 and the conversion cylinder 8 are respectively connected with the control cabinet of the powder press, and the control cabinet adjusts the contraction frequency of piston rods of the driving cylinder 6 and the conversion cylinder 8 according to the filling and extrusion frequencies, thereby ensuring the full automation of the forming process of the powder press.
As shown in fig. 4 and 5, in the present embodiment, the pore-forming core rod 2 is tightly mounted on the core rod mounting plate 4 through a core rod pressing plate 5, the core rod pressing plate 5 is fixed to the core rod mounting plate 4 through a screw rod penetrating through the fixing mounting hole 52, a core rod mounting groove 51 and a fixing mounting hole 52 are formed on the core rod pressing plate 5, the core rod mounting groove 51 is an inverted T-shaped groove, and the pore-forming core rod 2 has an inverted T-shaped cylindrical fixing portion located in the core rod mounting groove 51 and matched with the core rod mounting groove 51. This kind of connected mode can realize the demountable installation of core bar mounting panel 4 and pore-forming core bar 2, has fixed effectual advantage moreover.
In this embodiment, core bar drive assembly is equipped with two altogether and drives actuating cylinder 6, and cylinder locating plate 9 is installed respectively to two lateral walls that the fixed plate 7 is relative, drives actuating cylinder 6 and corresponds fixed mounting respectively on the cylinder locating plate 9 of two lateral walls, is convenient for install, preparation, maintenance. In this embodiment, the cylinder positioning plate 9 is an L-shaped steel plate, one side wall of the L-shaped steel plate is fixed on the side wall of the fixing plate 7 by a screw, and the lower portion of the driving cylinder 6 is connected with the other side wall of the L-shaped steel plate by a screw.
In the present embodiment, as shown in fig. 6, the lower die assembly is supported and mounted on the fixing plate 7 by a lower punch washer 10, two through grooves 101 are symmetrically formed in the upper portion of the sidewall of the lower punch washer 10, and the core bar mounting plate 4 passes through the grooves 101 and can move up and down in the grooves 101. The lower punch gasket 10 is designed to be annular, so that the support effect is good, the upper part of the side wall of the lower punch gasket 10 is symmetrically provided with two through grooves 101, the lower punch gasket can avoid the core rod mounting plate 4, and the structure is more compact.
In this embodiment, the lower die assembly includes a lower punch 11, a lower punch pad 12 and a die base plate 13 detachably mounted on the fixing plate 7, the die base plate 13 has a cavity forming passage which is through from top to bottom, the lower punch 11 extends into the cavity forming passage from bottom to top and encloses a cavity 1 with the peripheral inner wall of the cavity forming passage, the lower punch 11 is fixedly mounted on the lower punch pad 12, the lower punch pad 12 is supported and mounted on the lower punch gasket 10, and the lower punch pad 12 and the lower punch 11 are provided with a through passage through which the hole forming core rod 2 passes. Different dies can be replaced as required to form different workpieces.
A method for forming a ceramic fuse by using the powder press of the embodiment specifically comprises the following steps:
s1: the driving cylinder 6 is started, and a piston rod of the driving cylinder pushes the core rod mounting plate 4 and the pore-forming core rod 2 to move upwards until the pore-forming core rod 2 extends into the cavity 1;
s2: the conversion cylinder 8 is started, and a piston rod of the conversion cylinder pushes the cushion block 81 to move to the position for supporting the bottom end of the core bar mounting plate 4;
s3: after filling the cavity 1, the upper punch assembly performs extrusion forming on the powder in the cavity 1;
s4: the piston rod of the conversion cylinder 8 drives the cushion block 81 to move to the position outside the core bar mounting plate 4;
s5: the piston rod of the driving cylinder 6 returns to the original position to drive the pore-forming core rod 2 to exit the cavity 1.
The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention shall be considered as the protection scope of the present invention.
Claims (9)
1. The powder press for forming the ceramic fuse comprises a lower die assembly with a cavity (1) and an upper punch assembly matched with the lower die assembly to extrude powder for forming, and is characterized in that more than one through channel is arranged at the bottom of the cavity (1), a pore-forming core rod (2) capable of moving up and down along the through channel to stretch into or withdraw from the cavity (1) is arranged in each through channel in a penetrating mode, and the powder press further comprises a core rod driving assembly used for driving each pore-forming core rod (2) to move up and down.
2. The powder press for forming the ceramic fuse according to claim 1, wherein the upper punch assembly comprises an upper punch (3) and a punch driving assembly for driving the upper punch (3) to extend into the die cavity (1) from top to bottom to extrude powder, and a concave hole (31) for inserting the hole-forming core rod (2) is formed in an extrusion end surface of the upper punch (3).
3. The powder press for ceramic fuse forming according to claim 1, wherein the core rod driving assembly comprises a core rod mounting plate (4) and two or more driving cylinders (6) mounted on a fixing plate (7), the hole forming core rod (2) is fixedly mounted on the core rod mounting plate (4), and the piston rods of the two or more driving cylinders (6) are respectively connected with the core rod mounting plate (4) to drive the core rod mounting plate (4) to move up and down.
4. The powder press for ceramic fuse molding according to claim 3, wherein the fixed plate (7) is further provided with two or more sets of support assemblies for supporting the core bar mounting plate (4) during powder compression molding, the support assemblies comprise a cushion block (81) and a switching cylinder (8) mounted on the fixed plate (7), the cushion block (81) is supported and placed on the upper end face of the fixed plate (7), the driving end of the switching cylinder (8) is connected with the cushion block (81) and can drive the cushion block (81) to move on the upper end face of the fixed plate (7) so as to switch the cushion block (81) between two positions of supporting the bottom end of the core bar mounting plate (4) and being located outside the core bar mounting plate (4).
5. The powder press for ceramic fuse forming according to claim 4, characterized in that the driving cylinder (6) and the switching cylinder (8) are connected to a control cabinet of the powder press, respectively.
6. The powder press for ceramic fuse forming according to claim 3, wherein the hole forming core rod (2) is mounted on the core rod mounting plate (4) by a core rod pressing plate (5) in a pressing manner, the core rod pressing plate (5) is fixed to the core rod mounting plate (4) by a screw rod penetrating through the fixing mounting hole (52), a core rod mounting groove (51) and a fixing mounting hole (52) are formed in the core rod pressing plate (5), the core rod mounting groove (51) is an inverted T-shaped groove, and the hole forming core rod (2) has an inverted T-shaped cylinder fixing portion located in the core rod mounting groove (51) and matched with the core rod mounting groove (51).
7. The powder press for forming a ceramic fuse according to claim 3, wherein the core rod driving assembly is provided with two driving cylinders (6), two opposite side walls of the fixing plate (7) are respectively provided with a cylinder positioning plate (9), and the two driving cylinders (6) are respectively and correspondingly fixedly arranged on the cylinder positioning plates (9) of the two side walls.
8. The powder press for forming a ceramic fuse according to any one of claims 3 to 7, wherein the lower die assembly is supported and mounted on the fixing plate (7) through a lower punch washer (10), two through grooves (101) are symmetrically formed in the upper portion of the side wall of the lower punch washer (10), and the core rod mounting plate (4) penetrates through the grooves (101) and can move up and down in the grooves (101).
9. The powder press for ceramic fuse forming according to claim 8, characterized in that the lower die assembly comprises a lower punch (11), a lower punch pad (12) and a die base plate (13) detachably mounted on the fixed plate (7), the die base plate (13) has a cavity forming passage which is through from top to bottom, the lower punch (11) extends into the cavity forming passage from bottom to top and encloses the cavity (1) with the surrounding inner wall of the cavity forming passage, the lower punch (11) is fixedly mounted on the lower punch pad (12), the lower punch pad (12) is supported and mounted on the lower punch washer (10), and the lower punch pad (12) and the lower punch (11) are provided with a through passage for the hole forming core rod (2) to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922012217.5U CN211333741U (en) | 2019-11-20 | 2019-11-20 | Powder press for forming ceramic fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922012217.5U CN211333741U (en) | 2019-11-20 | 2019-11-20 | Powder press for forming ceramic fuse |
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| Publication Number | Publication Date |
|---|---|
| CN211333741U true CN211333741U (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922012217.5U Active CN211333741U (en) | 2019-11-20 | 2019-11-20 | Powder press for forming ceramic fuse |
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| CN (1) | CN211333741U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110871487A (en) * | 2019-11-20 | 2020-03-10 | 娄底市安地亚斯电子陶瓷有限公司 | Powder press for forming ceramic fuse and forming method thereof |
| CN110871487B (en) * | 2019-11-20 | 2024-10-22 | 娄底市安地亚斯电子陶瓷有限公司 | Powder press for ceramic fuse molding and molding method thereof |
-
2019
- 2019-11-20 CN CN201922012217.5U patent/CN211333741U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110871487A (en) * | 2019-11-20 | 2020-03-10 | 娄底市安地亚斯电子陶瓷有限公司 | Powder press for forming ceramic fuse and forming method thereof |
| CN110871487B (en) * | 2019-11-20 | 2024-10-22 | 娄底市安地亚斯电子陶瓷有限公司 | Powder press for ceramic fuse molding and molding method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A powder press for forming ceramic fuse Effective date of registration: 20210105 Granted publication date: 20200825 Pledgee: China Construction Bank Co.,Ltd. Loudi branch Pledgor: LOUDI ANTAEUS ELECTRONIC CERAMICS Co.,Ltd. Registration number: Y2020430000058 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210826 Granted publication date: 20200825 Pledgee: China Construction Bank Co.,Ltd. Loudi branch Pledgor: LOUDI ANTAEUS ELECTRONIC CERAMICS Co.,Ltd. Registration number: Y2020430000058 |