CN206702214U - Blade inserting dither assistant formation tantalum core compacting tool set - Google Patents

Abstract

The utility model discloses a kind of blade inserting dither assistant formation tantalum core compacting tool set, to solve conventional powder compact technique, complicated, pressed density skewness, the problems such as installation step is numerous and diverse, existing powder ultrasound molding-compression technique, the problems such as efficiency is low, complicated, energy utilization rate is low.The utility model is made up of top die, adjustment cushion block, vibration die body component, adjustment sheet and the part of dip mold five.The utility model is in vibration die body component installation piezo-electric stack, vibration die body component is driven to produce dither based on inverse piezoelectric effect during energization, based on ultrasonic antifriction principle reduce tantalum powder particle between tantalum powder particle and mould intracavity wall frictional force, realize tantalum core even density uniform production.The utility model has the technical advantages such as simple in construction, pressing result is excellent, cost is low, can greatly promote the industry development of tantalum electrolytic capacitor, have great social and economic effects to national defense construction, social progress.

Description

Blade inserting dither assistant formation tantalum core compacting tool set

Technical field

A kind of blade inserting dither assistant formation tantalum core compacting tool set is the utility model is related to, belongs to electronic component life Produce manufacturing technology field.

Background technology

With science and technology progress, some large scale equipments, precision instrument have been widely used for manufacturing industry, oil, The every field such as chemical industry, Aero-Space, and wherein capacitor plays vital effect, and tantalum electrolytic capacitor is as electricity One kind of container, because it possesses excellent electrical properties, operating temperature range is wide, and various informative, and volume efficiency is excellent, by More and more extensive concern, this just proposes higher requirement to tantalum electrolytic capacitor.In the processing system of tantalum electrolytic capacitor The processing and fabricating of tantalum core is the committed step for ensureing tantalum electrolytic capacitor quality during work, but existing compacting tool set is present The problems such as pressed density is uneven, assembling process complexity.

Existing Chinese utility model patent《A kind of square tantalum core moulding mould special of tantalum capacitor》, Authorization Notice No. CN 204747280 U, authorized announcement date 2015.11.11 disclose a kind of square tantalum core moulding mould special of tantalum capacitor, including upper Punch-pin, cavity plate, lower punch, adjustment cushion block, tantalum wire limited block and adjust pad；Adjust cushion block with lower punch to coordinate, cavity plate is with Punch-pin coordinates, and cavity plate forms semiclosed square forming cavity with lower punch, and tantalum powder is poured into semiclosed forming cavity and is placed in tantalum wire On tantalum powder, tantalum wire limited block is spacing for tantalum wire, pours into tantalum powder after tantalum wire is spacing again, and upper male mould coordinates with cavity plate, upper male mould, Cavity plate forms with lower punch and closes square forming cavity.Chinese utility model patent《A kind of full tantalum mould》, Authorization Notice No. For the U of CN 203956078, authorized announcement date is that 2014.11.26 discloses a kind of full tantalum mould, is wrapped successively from top to bottom Include top board, upper male mould fixed plate, adjustment sheet, die body, lower punch fixed plate and lower platen, mold forming chamber on die body is convex Mould is perforated through upper male mould and is embedded in mold forming chamber, and lower punch is perforated through lower punch and is embedded in mold forming chamber, upper male mould, Lower punch and forming cavity form injection mold cavity.Chinese invention patent《The compressing peace of powder body material under ultrasonic activation auxiliary Full equipment》, application publication number CN 105643975 A, data of publication of application 2016.06.08 are disclosed under a kind of ultrasonic activation auxiliary The compressing safety means of powder body material, the equipment include ultrasonic wave base, the ultrasonic die sleeve on ultrasonic wave base, The ultrasonic punch that is used cooperatively with ultrasonic die sleeve, hydraulic press, the first ultrasonic transducer, the transducer for driving ultrasonic punch Connecting portion.

It is above-mentioned, existing pressed by powder technology, mainly using mechanical pressure and model by powder be processed into given size and The product process of shape, the problems such as complicated, pressed density skewness, installation step is numerous and diverse be present；Existing powder ultrasound Molding-compression technique, dither mainly is applied to mould using multiple transducers, there is that efficiency is low, the complicated, energy The problems such as utilization rate is low.

The content of the invention

It is numerous to solve complicated, pressed density skewness, installation step existing for above-mentioned conventional powder compact technique The problems such as miscellaneous, and the problems such as efficiency is low, complicated, energy utilization rate is low existing for existing powder ultrasound shaping compacting skill, The utility model discloses a kind of blade inserting dither assistant formation tantalum core compacting tool set.

Technical scheme is used by the utility model：The blade inserting dither assistant formation tantalum core compacting tool set bag Include top die, adjustment cushion block, vibration die body component, adjustment sheet and dip mold；The top die coordinates with vibration die body component and connected Connect, and the regulation on top is unilateral contacts；The adjustment cushion block contacts with the adjustment sheet of bottom and vibration die body component face respectively；Institute Stating vibration die body component includes die body and piezo-electric stack, the vibration die body component adjustment sheet with top and the adjustment respectively up and down Cushion block face contacts, and the adjustment sheet can install several according to work requirements, be divided to the part of upper and lower part two；The dip mold It is connected with vibration die body component, and the regulation of bottom is unilateral contacts.

The side end of top die one is provided with concave surface one in boss one end in the lump provided with boss；The top die is another Side is provided with base one.

The adjustment cushion block is arranged between vibration die body component and the adjustment sheet of bottom, and described adjustment cushion block one end is provided with Handle arrangement；The adjustment cushion block other end is provided with an adjustment foot.

The vibration die body component is made up of die body and piezo-electric stack；The die body is provided with outer chamber, and the die body is provided with Inner chamber body, connected between the outer chamber and inner chamber body by flexible hinge, groove one, the inner chamber are provided with the inside of the outer chamber External side is provided with groove two, and it is used for the installation of piezo-electric stack；The flexible hinge both sides are provided with semi-circular recesses；The piezoelectricity Stack to coordinate with groove one, groove two and install.

The adjustment sheet is provided with handle；The adjustment sheet other end is provided with a regulation foot.

The side end of dip mold one is provided with boss two and has concave surface two in the end set of boss two；The dip mold is another Side is provided with base two.

The beneficial effects of the utility model are：The utility model proposes blade inserting dither assistant formation tantalum core pressing die Tool, on the basis of tantalum electric capacity compacting tool set, with reference to ultrasonic antifriction effect, in tantalum electric capacity pressing process, utilizes piezoelectric element Apply ultrasonic vibration to mould, efficiently solve conventional powder compact technique, complicated, pressed density skewness, dress With step it is numerous and diverse the problems such as, existing powder ultrasound molding-compression technique, the problems such as efficiency is low, complicated, energy utilization rate is low, The utility model has the technical advantages such as simple in construction, pressing result is excellent, cost is low, can greatly promote tantalum electrolytic capacitor Industry development, there are great social and economic effects to national defense construction, social progress.

Brief description of the drawings

Fig. 1 show the utility model proposes blade inserting dither assistant formation tantalum core compacting tool set structural representation Figure；

Fig. 2 show the utility model proposes blade inserting dither assistant formation tantalum core compacting tool set in top die knot Structure schematic diagram；

Fig. 3 show the utility model proposes blade inserting dither assistant formation tantalum core compacting tool set in adjust cushion block Structural representation；

Fig. 4 show the utility model proposes blade inserting dither assistant formation tantalum core compacting tool set in vibrate die body Assembly plan view；

Fig. 5 show the utility model proposes blade inserting dither assistant formation tantalum core compacting tool set in die body structure Schematic diagram；

Fig. 6 show the utility model proposes blade inserting dither assistant formation tantalum core compacting tool set in piezo-electric stack Structural representation；

Fig. 7 show the utility model proposes blade inserting dither assistant formation tantalum core compacting tool set in positioner Middle adjustment sheet structural representation；

Fig. 8 show the utility model proposes blade inserting dither assistant formation tantalum core compacting tool set in positioner Middle dip mold structural representation.

Embodiment

Embodiment one：Illustrate present embodiment with reference to Fig. 1 ~ Fig. 8.Present embodiment provides a kind of blade inserting high frequency Vibrate the specific embodiment of assistant formation tantalum core compacting tool set.The blade inserting dither assistant formation tantalum core compacting tool set It is made up of top die 1, adjustment cushion block 2, vibration die body component 3, adjustment sheet 4 and the part of dip mold 5 five；The top die 1 is with shaking Dynamic model body component 3 is connected, and is contacted with the face of adjustment sheet 4 on top；The adjustment cushion block 2 respectively with the adjustment sheet 4 of bottom and Vibrate the face contact of die body component 3；The vibration die body component 3 is made up of die body 3-1 and piezo-electric stack 3-2, the vibration die body Component contacts with the adjustment sheet 4 on top and adjustment cushion block 2 face respectively about 3, if the adjustment sheet 4 can be installed according to work requirements Dry, it is divided to the part of upper and lower part two；The dip mold 5 is connected with vibration die body component 3, the adjustment sheet 4 with bottom Face contacts.

The side end of top die 1 one is provided with the 1-1 of boss one, and it is used to directly contact compacting tantalum powder with tantalum powder, and convex The 1-1 end sets of platform one have the 1-2 of concave surface one to facilitate subsequent packages to be molded for the tantalum electrolytic capacitor rounding of compacting；It is described The opposite side of top die 1 is provided with the 1-3 of base one, and it is used to limit the 1-1 axial displacements of boss one and facilitates top die 1 to take out.

The adjustment cushion block 2 is arranged between vibration die body component 3 and the adjustment sheet 4 of bottom, and it is used for molding after suppressing, Described adjustment cushion block 2 one end is provided with handle arrangement 2-1, is conveniently adjusted the installation and adjustment of cushion block 2；The adjustment cushion block 2 is another End is provided with 2 sufficient 2-2 of adjustment.

The vibration die body component 3 is made up of die body 3-1 and piezo-electric stack 3-2；The die body 3-1 is provided with outer chamber 3-1- 1, the die body 3-1 are provided with inner chamber body 3-1-2, pass through flexible hinge 3- between the outer chamber 3-1-1 and inner chamber body 3-1-2 1-3 connections, the outer chamber 3-1-1 inner sides are provided with the outside of groove one 3-1-4, the inner chamber body 3-1-2 and are provided with the 3-1- of groove two 5, it is used for piezo-electric stack 3-2 installation；The flexible hinge 3-1-3 both sides are provided with semi-circular recesses 3-1-6.

Described one end of adjustment sheet 4 is provided with handle 4-1, is easy to the installation and adjustment of adjustment sheet 4；The other end of adjustment sheet 4 Provided with 2 sufficient 4-2 of regulation.

The side end of dip mold 5 one is provided with the 5-1 of boss two, and it is used to directly contact compacting tantalum powder with tantalum powder, and convex The 5-1 end sets of platform two have the 5-2 of concave surface two to facilitate subsequent packages to be molded for the tantalum electrolytic capacitor rounding of compacting；It is described The opposite side of dip mold 5 is provided with the 5-3 of base two, and it is used to limit the 5-1 axial displacements of boss two and facilitates dip mold 5 to take out.

Operation principle：Blade inserting dither assistant formation tantalum core compacting tool set, before compacting, die body component will be vibrated first 3 are installed together with adjustment cushion block 2, adjustment sheet 4 and dip mold 5, then tantalum powder and electrode are encased in vibration die body component 3 In cavity 3-1-2, appropriate adjustment sheet 4 is installed above vibration die body component 3, and top die 1 and vibration die body component 3 are pacified It is fitted together, adjustment mould is suppressed in the position of forcing press；During compacting, to the piezoelectric pile for being installed on vibration die body component 3 Folded 3-2 leads to high frequency pumping electric signal, piezo-electric stack 3-2 is extended according to specific electric signal according to inverse piezoelectric effect and shortens, enter And drive vibration die body component to produce dither, based on ultrasonic antifriction principle, not only reduce rubbing for tantalum powder and mould inner wall Wipe, also reduce the friction between tantalum powder particle, be evenly distributed so that internal tantalum powder reaches under conditions of dither Effect, meanwhile, forcing press reduces adjustment sheet 4 per upper and lower pressing one-time successively, reduces tantalum powder block product increase tantalum powder to play The purpose of density.

Claims (6)

1. blade inserting dither assistant formation tantalum core compacting tool set, it is characterised in that：Blade inserting dither auxiliary into Type tantalum core compacting tool set includes top die (1), adjustment cushion block (2), vibration die body component (3), adjustment sheet (4) and dip mold (5)； The top die (1) is connected with vibration die body component (3), is contacted with adjustment sheet (4) face on top；The adjustment cushion block (2) contacted respectively with the adjustment sheet (4) of bottom and vibration die body component (3) face；The vibration die body component (3) includes die body (3-1) and piezo-electric stack (3-2), the vibration die body component (3) is up and down respectively with the adjustment sheet (4) on top and adjusting cushion block (2) face contacts, and the adjustment sheet (4) can install several according to work requirements, be divided to the part of upper and lower part two；It is described to push Mould (5) is connected with vibration die body component (3), is contacted with adjustment sheet (4) face of bottom.

2. blade inserting dither assistant formation tantalum core compacting tool set according to claim 1, it is characterised in that：On described The side end of pressing mold (1) one is provided with boss one (1-1) and has concave surface one (1-2) in boss one (1-1) end set；The top die (1) opposite side is provided with base one (1-3).

3. blade inserting dither assistant formation tantalum core compacting tool set according to claim 1, it is characterised in that：The tune Whole cushion block (2) is arranged between vibration die body component (3) and the adjustment sheet (4) of bottom, and described adjustment cushion block (2) one end is provided with hand Handle structure (2-1)；Described adjustment cushion block (2) other end is provided with 2 adjustment foots (2-2).

4. blade inserting dither assistant formation tantalum core compacting tool set according to claim 1, it is characterised in that：It is described to shake Dynamic model body component (3) is made up of die body (3-1) and piezo-electric stack (3-2)；The die body (3-1) is provided with outer chamber (3-1-1), The die body (3-1) is provided with inner chamber body (3-1-2), by flexible hinge between the outer chamber (3-1-1) and inner chamber body (3-1-2) (3-1-3) is connected, and groove one (3-1-4) is provided with the inside of the outer chamber (3-1-1), is provided with the outside of the inner chamber body (3-1-2) Groove two (3-1-5), it is used for piezo-electric stack (3-2) installation；Flexible hinge (3-1-3) both sides are provided with semi-circular recesses (3-1-6)；The piezo-electric stack (3-2) coordinates with groove one (3-1-4), groove two (3-1-5) installs.

5. blade inserting dither assistant formation tantalum core compacting tool set according to claim 1, it is characterised in that：The tune Nodal plate (4) is provided with handle (4-1)；Adjustment sheet (4) other end is provided with 2 regulation foots (4-2).

6. blade inserting dither assistant formation tantalum core compacting tool set according to claim 1, it is characterised in that：Under described The side end of pressing mold (5) one is provided with boss two (5-1) and has concave surface two (5-2) in boss two (5-1) end set；The dip mold (5) opposite side is provided with base two (5-3).