CN211758468U - Tantalum block forming die and forming machine - Google Patents
Tantalum block forming die and forming machine Download PDFInfo
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- CN211758468U CN211758468U CN201921555137.8U CN201921555137U CN211758468U CN 211758468 U CN211758468 U CN 211758468U CN 201921555137 U CN201921555137 U CN 201921555137U CN 211758468 U CN211758468 U CN 211758468U
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Abstract
The utility model provides a tantalum piece forming die and make-up machine relates to tantalum piece former technical field. The tantalum block forming die comprises: first terrace die, die and second terrace die, the die is including the die cavity that link up, first terrace die include with the first protruding structure of die cavity clearance fit, first terrace die is provided with parallelly and skew the through-hole of the axis of first protruding structure, the second terrace die include with the protruding structure of die cavity clearance fit's second, work as first protruding structure with the protruding structure of second inserts when the die cavity is interior, the axis of first protruding structure the axis of the protruding structure of second with the axis coincidence of die cavity. The method can reduce the difficulty and cost of processing the eccentric tantalum block.
Description
Technical Field
The utility model relates to a tantalum piece former technical field, in particular to tantalum piece forming die and make-up machine.
Background
With the development of science and technology, tantalum capacitors have been widely used due to their advantages of long service life, high temperature resistance, high accuracy, good harmonic filtering property, and the like, while tantalum blocks have attracted more and more attention as essential components in tantalum capacitors.
In the prior art, a tantalum block forming die comprises an upper die, a female die and a lower die, wherein the female die is provided with a die cavity. The upper die, the female die and the lower die can be sequentially arranged on a tantalum block forming machine from top to bottom. When the tantalum block forming process is carried out, tantalum powder can be filled into a die cavity of a female die, then an upper die and a lower die are controlled to move towards the die cavity, the tantalum powder is extruded and formed into a tantalum block, and then a tantalum wire is inserted into the tantalum block. However, the difficulty and cost of processing the eccentric tantalum block by the tantalum block forming die are high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tantalum piece forming die and make-up machine to the not enough among the above-mentioned prior art to reduce the degree of difficulty and the cost of processing eccentric tantalum piece.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention provides a tantalum block forming die, including: the device comprises a first male die, a female die and a second male die;
the female die comprises a through die cavity;
the first male die comprises a first protruding structure in clearance fit with the die cavity, and the first male die is provided with a through hole which is parallel to and deviates from the axis of the first protruding structure;
the second male die comprises a second protruding structure in clearance fit with the die cavity;
when the first protruding structure and the second protruding structure are inserted into the mold cavity, the axis of the first protruding structure, the axis of the second protruding structure and the axis of the mold cavity are coincident.
Optionally, the die fixing device further comprises a die fixing seat, and the die is fixedly arranged in the die fixing seat.
Optionally, the die is fixed in the die holder through an insert structure.
Optionally, the female die and the female die fixing seat form a tight fit.
Optionally, the device further comprises a first punch fixing seat, and the first punch is fixedly arranged on the first punch fixing seat.
Optionally, the first punch is fixed on the first punch holder by an insert structure.
Optionally, the stamping die further comprises a second punch fixing seat, and the second punch is fixedly arranged on the second punch fixing seat.
Optionally, the axis of the female die coincides with the axis of the die cavity, the axis of the female die deviates from the axis of the female die fixing seat, the axis of the second protrusion structure deviates from the axis of the second male die fixing seat, and when the axis of the female die fixing seat coincides with the axis of the second male die fixing seat, the axis of the second protrusion structure coincides with the axis of the die cavity.
Optionally, the cross-section of the mold cavity is circular or rectangular.
In a second aspect, the embodiment of the present invention further provides a tantalum block forming machine, which is provided with a tantalum block forming mold according to any one of the first aspect.
The utility model has the advantages that:
in the embodiment of the disclosure, the tantalum block forming die comprises a first male die, a female die and a second male die, the female die comprises a through die cavity, the first male die comprises a first protruding structure in clearance fit with the die cavity, the second male die comprises a second protruding structure in clearance fit with the die cavity, therefore, the first protruding structure and the second protruding structure can be connected into the die cavity to extrude tantalum powder in the die cavity, and because the first male die is provided with a through hole which is parallel to and deviates from the axis of the first protruding structure, when the first protruding structure and the second protruding structure are connected into the die cavity, the axis of the first protruding structure and the axis of the second protruding structure are overlapped, so that an eccentric tantalum wire can be arranged to the die cavity through the through hole, thereby obtaining an eccentric tantalum block through processing, and reducing the process difficulty and cost for processing the tantalum block.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is an exploded view of a tantalum block forming mold according to an embodiment of the present invention;
fig. 2 is an exploded view of another tantalum block forming mold according to an embodiment of the present invention;
fig. 3 is a front view of a first male die according to an embodiment of the present invention;
fig. 4 is a top view of a first male die according to an embodiment of the present invention;
fig. 5 is a front view of a first male die holder according to an embodiment of the present invention;
fig. 6 is a top view of a first male die holder according to an embodiment of the present invention;
fig. 7 is a front view of a concave die provided in an embodiment of the present invention;
fig. 8 is a top view of a concave die provided in an embodiment of the present invention;
fig. 9 is a front view of a female die fixing seat according to an embodiment of the present invention;
fig. 10 is a top view of a die holder according to an embodiment of the present invention;
fig. 11 is a front view of the second male die and the second male die holder according to the embodiment of the present invention after being assembled;
fig. 12 is a plan view of the second male die and the second male die holder according to the embodiment of the present invention after being assembled.
Icon: 100-a first male mold; 110 — the axis of the first projection arrangement; 120-a via hole; 200-a female die; 210-a mold cavity; 220-axis of the mold cavity 210; 300-a second male die; 310-an axis of the second projection arrangement; 400-a first punch holder; 410-a central hole; 500-female die fixing seat; 510-axis of the die holder 500; 520-a placement chamber; 600-a second punch holder; 610-the axis of the second punch holder 600.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
Fig. 1 is an exploded view of a tantalum block forming mold according to the present disclosure. The tantalum block forming die comprises a first male die 100, a female die 200 and a second male die 300, wherein the female die 200 comprises a through die cavity 210, the first male die 100 comprises a first protruding structure in clearance fit with the die cavity 210, the first male die 100 is provided with a through hole 120 which is parallel to and deviates from the axis 110 of the first protruding structure, the second male die 300 comprises a second protruding structure in clearance fit with the die cavity 210, and when the first protruding structure and the second protruding structure are connected into the die cavity 210, the axis 110 of the first protruding structure, the axis 310 of the second protruding structure and the axis 220 of the die cavity 210 coincide.
The die 200 includes a die cavity 210, the die cavity 210 can be used for filling tantalum powder, and the shape of the die cavity 210 is the shape of the formed tantalum block.
Wherein, the concave die 200 with the die cavity 210 with the corresponding shape can be made by the user according to the actual requirement on the shape of the tantalum block.
The first projection structure of the first male mold 100 may be clearance fitted with the cavity 210 of the female mold 200 so that the cavity 210 may be accessed or withdrawn. And because the axis 110, of the first projection arrangement is engaged with the cavity 210 when the first projection arrangement and the second projection arrangement are engaged,
The axis 310 of the second projection arrangement coincides with the axis 220 of the die cavity 210 and the first punch 100 is provided with a through hole 120 parallel to and offset from the axis 110 of the first projection arrangement, so that during the tantalum block forming process, a tantalum wire can be placed through the through hole 120 at a position offset from the axis 220 of the die cavity 210, thereby obtaining an eccentric tantalum block. Wherein an eccentric tantalum mass may refer to a tantalum wire in the tantalum mass being offset from an axis of the tantalum mass.
The second convex structure of the second male mold 300 may be clearance-fitted with the cavity 210 of the female mold 200 so that the cavity 210 may be accessed or withdrawn.
The first male die 100, the female die 200 and the second male die 300 can be arranged on the table top of the tantalum block forming machine in a clamping or mounting plate structure, and the axis 110 of the first protruding structure, the axis 310 of the second protruding structure and the axis 220 of the die cavity 210 coincide, wherein the female die 200 or the first male die 100 and the second male die 300 can be connected with a moving mechanism of the tantalum block forming machine, so that the first protruding structure of the first male die 100 and the second protruding structure of the second male die 300 can be controlled to be connected into or withdrawn from the die cavity 210 of the female die 200. When the tantalum block forming processing is carried out through the tantalum block forming die, tantalum powder can be filled between the die cavity 210 and the second protruding structure, a tantalum wire is inserted through the through hole 120 of the first male die 100, the first protruding structure and the second protruding structure are controlled to be close to the die cavity 210 and extrude the tantalum powder in the die cavity 210, after the eccentric tantalum block is obtained through extrusion forming, the eccentric tantalum block can be ejected out of the die cavity 210 through controlling the first protruding structure or the second protruding structure, and therefore the processed and formed eccentric tantalum block is obtained.
In the embodiment of the disclosure, the tantalum block forming mold comprises a first male mold 100, a female mold 200 and a second male mold 300, the female mold 200 comprises a through mold cavity 210, the first male mold 100 comprises a first protruding structure in clearance fit with the mold cavity 210, the second male mold 300 comprises a second protruding structure in clearance fit with the mold cavity 210, the first protruding structure and the second protruding structure can be inserted into the mold cavity 210 to perform extrusion forming on tantalum powder in the mold cavity 210, and since the first male die 100 is provided with a through hole 120 parallel to and offset from the axis 110 of the first male structure, when the first and second raised structures are received within the mold cavity 210, the axis 110 of the first raised structure, the axis 310 of the second raised structure and the axis 220 of the mold cavity 210 coincide, eccentric tantalum wires can be arranged on the die cavity 210 through the through holes 120, so that eccentric tantalum blocks are obtained through machining, the process difficulty of machining the tantalum blocks is reduced, and the cost is low.
Optionally, referring to fig. 2, fig. 2 is an exploded view of another tantalum block forming mold disclosed herein. The tantalum block forming die further comprises a first male die fixing seat 400, and the first male die 100 is fixedly arranged on the first male die fixing seat 400.
In order to fully utilize the existing production equipment and processing technology, the first punch 100 can be fixedly arranged on the tantalum block forming machine through the first punch fixing seat 400.
The first punch holder 400 may have a connection structure for fixedly connecting with a tantalum block forming machine and a connection structure for fixedly connecting with the first punch 100, such as a bayonet or a thread, so that the existing tantalum block forming machine or process may not be modified, and only the first punch holder 400 is used to select the corresponding first punch 100 for the eccentric tantalum block to be processed.
Alternatively, referring to fig. 2, 3-6, fig. 3-4 are a front view and a top view, respectively, of a first punch 100 provided by the present disclosure, and fig. 5-6 are a front view and a top view, respectively, of a first punch holder 400 provided by the present disclosure. Wherein, the one end of first terrace die 100 is cylindrical, and the one end of first terrace die fixing base 400 includes circular sunk structure, so can insert the cylindrical one end of first terrace die 100 and establish in the circular sunk structure of first terrace die fixing base 400, and the other end of first terrace die fixing base 400 includes two fixed columns, can be fixed in the tantalum block make-up machine through these two fixed columns promptly. In addition, the first punch holder 400 is further provided with a center hole 410 through which the tantalum wire passes, so that the tantalum wire can pass through the center hole 410 and the through hole 120 of the first punch 100 into the cavity 210 of the female die 200.
Alternatively, the first punch 100 is fixed to the first punch holder 400 by an insert structure.
The insert structure can be an irregular die part embedded in a die, and can comprise an insert pin, an insert block, an insert column or an insert ring, so that the insert structure can play a role in fixing the die plate and filling the space between the die plates.
Of course, in practical applications, the first punch 100 may be fixed to the first punch holder 400 by other detachable fixing connection means, such as a screw connection.
Optionally, please refer to fig. 2. The tantalum block forming die further comprises a female die fixing seat 500, and the female die 200 is fixedly arranged in the female die fixing seat 500.
In order to fully utilize the existing production equipment and processing technology, the female die 200 can be arranged on a tantalum block forming machine through the female die fixing seat 500.
The die fixing seat 500 is provided with a connecting structure fixedly connected with the tantalum block forming machine and a connecting structure fixedly connected with the die 200, so that the existing tantalum block forming machine or process can be not modified, and only the die 200 is selected according to the actual shape requirement of the tantalum block through the die fixing seat 500.
Alternatively, referring to fig. 2, 7-10, fig. 7-8 are a front view and a top view of a female die 200 provided by the present disclosure, respectively, and fig. 9-10 are a front view and a top view of a female die holder 500 provided by the present disclosure, respectively. Wherein the female die 200 and the die cavity 210 are quadrangular prisms, the die holder 500 includes a seating cavity 520 for receiving the fixed female die 200, and an axis of the seating cavity 520 is offset from an axis 510 of the die holder 500, so that when the female die 200 is disposed in the seating cavity 520, an axis 220 of the die cavity 210 is also offset from the axis 510 of the die holder 500.
Alternatively, the die 200 is fixed in the die holder 500 by an insert structure.
Of course, in practical applications, the die 200 may also be fixed in the die holder 500 by other detachable fixing connection manners.
Optionally, the female die 200 forms a tight fit with the female die holder 500.
Wherein, the die 200 and the die fixing seat 500 form a tight fit, so that the die 200 can be replaced quickly and conveniently, and the processing difficulty and cost are further reduced.
Optionally, referring to fig. 2, the tantalum block forming die further includes a second punch holder 600, and the second punch 300 is fixedly disposed on the second punch holder 600.
In order to fully utilize the existing production equipment and processing technology, the second punch 300 can be arranged on the tantalum block forming machine through the second punch fixing seat 600.
The second punch holder 600 is provided with a connecting structure fixedly connected with the tantalum block forming machine and a connecting structure fixedly connected with the second punch 300, so that the existing tantalum block forming machine or process can be not modified, and only the second punch holder 600 is used for selecting the corresponding second punch 300 according to the actual shape requirement of the tantalum block.
Optionally, please refer to fig. 2, 11-12, which are a front view and a top view of the assembled second punch 300 and second punch holder 600, respectively, according to the present disclosure. Wherein the second punch 300 is rectangular in cross-section and the axis 310 of the second projection is offset from the axis 610 of the second punch holder 600.
Alternatively, referring to fig. 2, 7-12, the axis of the female die 200 coincides with the axis 220 of the die cavity 210, the axis of the female die 200 is offset from the axis 510 of the female die holder 500, the axis 310 of the second projection is offset from the axis 610 of the second punch holder 600, and when the axis 510 of the female die holder 500 coincides with the axis 610 of the second punch holder 600, the axis 310 of the second projection coincides with the axis 220 of the die cavity 210.
Of course, in practical applications, the axis of the die 200 may also coincide with the axis 510 of the die holder 500, while the axis 220 of the die cavity 210 is offset from the axis of the die 200, i.e. an eccentric die cavity 210 is provided in the die 200.
Optionally, the mold cavity 210 is circular or rectangular in cross-section.
It should be noted that in practical applications, the cross-section of the mold cavity 210 may also have other shapes such as a triangle or a diamond.
Additionally, the utility model also provides a tantalum piece make-up machine, tantalum piece make-up machine are provided with aforementioned arbitrary tantalum piece forming die.
It should be noted that the tantalum block forming machine has the same beneficial effects as the above-mentioned tantalum block forming mold, and details are not repeated here.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A tantalum block forming die, comprising: the device comprises a first male die, a female die and a second male die;
the female die comprises a through die cavity;
the first male die comprises a first protruding structure in clearance fit with the die cavity, and the first male die is provided with a through hole which is parallel to and deviates from the axis of the first protruding structure;
the second male die comprises a second protruding structure in clearance fit with the die cavity;
when the first protruding structure and the second protruding structure are connected into the die cavity, the axis of the first protruding structure, the axis of the second protruding structure and the axis of the die cavity are coincident;
and arranging an eccentric tantalum wire to the die cavity through the through hole to obtain an eccentric tantalum block.
2. The mold of claim 1, further comprising a die holder, wherein the die is fixedly disposed within the die holder.
3. The mold of claim 2, wherein the die is secured within the die holder by an insert structure.
4. A mould as claimed in claim 2 or 3, wherein the female mould forms a tight fit with the female mould holder.
5. The die of claim 1, further comprising a first punch holder, the first punch being fixedly disposed on the first punch holder.
6. The die of claim 5, wherein the first punch is secured to the first punch holder by an insert structure.
7. The die of claim 2, further comprising a second punch holder, the second punch being fixedly disposed on the second punch holder.
8. The mold of claim 7, wherein the axis of the female mold coincides with the axis of the mold cavity, the axis of the female mold is offset from the axis of the female mold holder, the axis of the second projection is offset from the axis of the second punch holder, and the axis of the second projection coincides with the axis of the mold cavity when the axis of the female mold holder coincides with the axis of the second punch holder.
9. The mold of claim 1, wherein the mold cavity is circular or rectangular in cross-section.
10. A tantalum block forming machine, wherein said tantalum block forming machine is provided with a tantalum block forming die according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921555137.8U CN211758468U (en) | 2019-09-18 | 2019-09-18 | Tantalum block forming die and forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921555137.8U CN211758468U (en) | 2019-09-18 | 2019-09-18 | Tantalum block forming die and forming machine |
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| Publication Number | Publication Date |
|---|---|
| CN211758468U true CN211758468U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921555137.8U Active CN211758468U (en) | 2019-09-18 | 2019-09-18 | Tantalum block forming die and forming machine |
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| CN (1) | CN211758468U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589304A (en) * | 2022-02-25 | 2022-06-07 | 江苏振华新云电子有限公司 | Tantalum powder forming device with high-precision powder shaking function |
-
2019
- 2019-09-18 CN CN201921555137.8U patent/CN211758468U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589304A (en) * | 2022-02-25 | 2022-06-07 | 江苏振华新云电子有限公司 | Tantalum powder forming device with high-precision powder shaking function |
| CN114589304B (en) * | 2022-02-25 | 2024-06-07 | 江苏振华新云电子有限公司 | Tantalum powder forming device with high-precision powder shaking function |
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