CN209999400U

CN209999400U - Dry pressing device for producing ceramic capacitors

Info

Publication number: CN209999400U
Application number: CN201920256444.XU
Authority: CN
Inventors: 呙志勇
Original assignee: Yiyang Xingfuxin Electronic Co Ltd
Current assignee: Yiyang Xingfuxin Electronic Co Ltd
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2020-01-31
Anticipated expiration: 2029-02-28

Abstract

The utility model discloses a dry pressing device is used in ceramic capacitor production, including organism and feeding case, the feeding case is located organism side upper portion, and feeding bottom of the case portion is equipped with the conveyer pipe that stretches into in the organism, and organism top central authorities have main motor, and the output of main motor is connected with the drive shaft that is located the organism, be equipped with rather than fixed connection's last disc, well disc and lower disc in proper order from top to bottom in the drive shaft, this device rotates through motor drive through setting up three disc, can carry out the dry pressing shaping processing of ceramic capacitance spare in succession, raises the efficiency greatly, through the dry pressing spare and the drawing of patterns spare that correspond the setting, also make things convenient for the work of taking out of formed part when guaranteeing machining efficiency, progressive pressure disk and the setting of top dish step by step for dry pressing spare and drawing of patterns spare moving-type are natural, avoid the more problem of formed part surface rupture that conventional high-speed punching press caused.

Description

Dry pressing device for producing ceramic capacitors

Technical Field

The utility model relates to an electric capacity processing equipment specifically is kind of ceramic capacitor production are with doing pressure device.

Background

With the rapid development of electronic technology, electronic components are increasingly developing in the direction of miniaturization, multi-functionalization, high reliability and low cost. As the basis of modern electronic industry, ceramic capacitors always take a leading role in the capacitor industry because of the characteristics of low cost and suitability for industrialization and the advantages of small volume, large specific volume, small internal inductance, good high-frequency stability and the like.

The production process of ceramic capacitor includes the first dry pressing of raw material kinds of blank forming process, which is common in ceramic production, and the subsequent pelletizing the powder material with small amount of adhesive, loading into mold, pressing in press to make the powder particles approach to each other inside the mold and combine firmly with inner friction to form shaped blank.

Most of the existing dry pressing devices are single independent dry pressing processes, such as a ceramic dry pressing device proposed in chinese patent publication No. CN205674337U, when a large batch of small-sized components such as capacitors is produced, the production efficiency is obviously insufficient, and the direct pressure increase mode also causes the raw materials to be subjected to an instantaneous excessive pressure, so that surface cracks are easily generated, and the yield is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a kinds of ceramic capacitor production are with doing pressure device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

A dry pressing device for producing ceramic capacitors comprises a machine body and a feeding box, wherein the feeding box is located on the upper portion of the side face of the machine body, a conveying pipe extending into the machine body is arranged at the bottom of the feeding box, a main motor is arranged in the center of the top of the machine body, the output end of the main motor is connected with a driving shaft located in the machine body, an upper disc, a middle disc and a lower disc which are fixedly connected with the driving shaft are sequentially arranged on the driving shaft from top to bottom, a plurality of die grooves with upper ends and lower ends communicated with each other are formed in the middle disc in the circumferential direction, dry pressing dies are fixed in each die groove, dry pressing pieces and demolding pieces which are the same in number as the die grooves and are arranged on the same axis as in a mode are respectively arranged on the upper portion of the machine body, a progressive pressing plate is arranged on a pressing plate shaft located on the upper portion of the inner wall of the machine body in a rotating mode, the lower end of the progressive pressing plate is located below the dry pressing pieces and above the upper end of the upper disc, a top disc is arranged on the lower portion of the machine body, the progressive plate is located above the top end of the progressive pressing pieces, the progressive plate and the progressive plate.

The dry pressing part comprises a pressing rod guide barrel fixed on the upper disc and a spring pressing rod inserted in the pressing rod guide barrel and connected with the pressing rod guide barrel in a sliding mode, a lower pressing column is arranged at the lower end of the spring pressing rod, the lower pressing column is matched with the inner size of the dry pressing die, a return spring is sleeved on the section of the spring pressing rod located in the pressing rod guide barrel, the demoulding part comprises an ejector rod guide barrel fixed on the lower disc and a jacking column inserted in the ejector rod guide barrel and connected with the ejector rod guide barrel in a sliding mode, and the upper end of the jacking column is located in a die groove and inserted in the dry pressing die.

A limiting belt is arranged below the lower disc, the limiting belt is an annular belt with sections of openings, the progressive top disc is positioned at the openings of the limiting belt, the limiting belt is provided with two fixed belt bodies which have different inner and outer radiuses and are circularly overlapped, and a plurality of positioning rollers which are densely distributed and are rotatably connected with the fixed belt bodies are arranged between the two fixed belt bodies.

As the preferred scheme of the utility model: and a scraper is fixed on the inner wall of the machine body, extends into the upper plane of the middle disc along the horizontal direction and is attached to the upper plane of the middle disc, and the scraper is positioned under the feeding box.

As the preferable scheme of the utility model for the step , a feed back groove is arranged in the machine body and is positioned below the scraper and is in contact sliding connection with the side surface of the middle disc.

Compared with the prior art, the beneficial effects of the utility model are that: this device rotates through motor drive through setting up three disc, can carry out the dry-pressing shaping processing of ceramic capacitance spare in succession, raise the efficiency greatly, through dry casting die and the drawing of patterns piece that corresponds the setting, also make things convenient for the work of taking out of formed part when guaranteeing machining efficiency, the setting of pressure disk and the top dish step by step, make dry casting die and drawing of patterns piece moving mode nature, avoid the more problem of formed part surface rupture that conventional high-speed punching press caused, the yield of formed part has been improved greatly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a rear view of fig. 1.

Fig. 3 is a top view of the middle stop band of the present invention.

In the figure, 1-machine body, 2-feeding box, 3-main motor, 4-driving shaft, 5-upper disc, 6-middle disc, 7-lower disc, 8-dry pressing piece, 9-demoulding piece, 10-limiting belt, 11-progressive pressing disc, 12-pressing disc shaft, 13-conveying pipe, 14-scraping plate, 15-material returning groove, 16-spring pressing rod, 17-pressing rod guide cylinder, 18-lower pressing column, 19-spring pressing rod, 20-pressing rod guide cylinder, 21-lifting column, 22-mould groove, 23-dry pressing mould, 24-progressive pressing disc and 25-positioning roller.

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of , but not all embodiments.

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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" shall be construed , for example, they may be fixedly connected, detachably connected, or physically connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, and communicating between two elements.

Example 1:

referring to fig. 1-3, a dry pressing device for producing ceramic capacitors comprises a machine body 1 and a feeding box 2, wherein the feeding box 2 is positioned at the upper part of the side surface of the machine body 1, a conveying pipe 13 extending into the machine body 1 is arranged at the bottom of the feeding box 2, a main motor 3 is arranged at the center of the top of the machine body 1, a driving shaft 4 positioned in the machine body 1 is connected to the output end of the main motor 3, an upper disc 5, a middle disc 6 and a lower disc 7 fixedly connected to the driving shaft 4 are sequentially arranged from top to bottom, a plurality of mold slots 22 with upper and lower ends penetrating through are formed in the middle disc 6 in the circumferential direction, dry pressing molds 23 are fixed in each mold slot 22, dry forming pieces 8 and demolding pieces 9 which are arranged on the same number as the mold slots 22 and correspond to on the same axis as are arranged on the upper disc 5 and lower disc 7, the dry pressing pieces 8 are used for extruding raw materials entering the dry pressing mold 23, the dry pressing pieces 9 is used for ejecting the ceramic pieces from the dry pressing mold 23 into the dry pressing mold 23, the upper platen 11 and the lower platen 5, the lower platen 5 are arranged on the lower platen 5, the upper platen 5, the lower platen 5, the dry pressing pieces 9 is arranged on the upper platen 5, the lower platen 5, the dry pressing pieces 23, the dry pressing pieces 9 is arranged on the dry pressing pieces, the dry pressing pieces 23, the dry pressing pieces, the dry pressing.

Specifically, the dry pressing part 8 comprises a pressing rod guide barrel 17 fixed on the upper disc 5 and a spring pressing rod 16 inserted in the pressing rod guide barrel 17 and connected with the pressing rod guide barrel in a sliding mode, a lower pressing column 18 is arranged at the lower end of the spring pressing rod 16, the lower pressing column 18 is matched with the inner size of a dry pressing die 23, a return spring is sleeved on the section of the spring pressing rod 16 located in the pressing rod guide barrel 17 and used for naturally returning after descending, the demoulding part 9 comprises an ejector rod guide barrel 20 fixed on the lower disc 7 and a jacking column 21 inserted in the ejector rod guide barrel 20 and connected with the ejector rod guide barrel in a sliding mode, the upper end of the jacking column 21 is located in a die groove 22 and inserted in the dry pressing die 23, when dry pressing forming is conducted, the position of the jacking column 21 is fixed, the lower pressing column 18 moves downwards, and dry pressing forming work is completed through high pressure generated by space change between the jacking column 21 and.

Meanwhile, in order to ensure that the position of the lower pressing column 18 is fixed when dry pressing forming is carried out, a limiting belt 10 is arranged below the lower disc 7, the limiting belt 10 is an annular belt with sections of openings, the progressive top disc 24 is positioned at the opening of the limiting belt 10, the limiting belt 10 is provided with two fixed belt bodies which are different in radius, different in inner radius, different in outer radius and overlapped in a circular mode, a plurality of positioning rollers 25 which are distributed densely and connected with the fixed belt bodies in a rotating mode are arranged between the two fixed belt bodies, when the driving shaft 4 rotates and the demolding part 9 is positioned on the limiting belt 10, the height of the lower end of the jacking column 21 is limited through the positioning rollers 25, therefore the distance between the lower pressing column 18 and the jacking column 21 when the pressing process reaches the top point position is kept at a fixed value, and meanwhile when the driving shaft 4 rotates, friction force between mechanical parts can be reduced through self rotation of the positioning rollers 25.

Example 2:

on the basis of embodiment 1, a scraper 14 is fixed on the inner wall of the machine body 1, the scraper 14 extends into the upper plane of the middle disc 6 along the horizontal direction and is attached to the upper plane of the middle disc 6, the scraper 14 is located right below the feeding box 2, after the conveying pipe 13 fills the raw materials into the die groove 22, the middle disc 6 rotates under the driving of the driving shaft, and the scraper 14 can clean the redundant materials on the upper plane of the middle disc 6, so that the material amount in the dry pressing die 23 is controlled when the dry pressing piece 8 descends and extrudes, and the influence on the quality of a formed piece due to excessive raw materials is avoided.

Simultaneously, the inside feed back groove 15 that still is equipped with of organism 1, feed back groove 15 be located scraper blade 14 below and with 6 side contact sliding connection of well disc, the unnecessary raw materials whereabouts of scraper blade 14 clearance are retrieved through feed back groove 15, avoid the waste of raw materials to have guaranteed also clean and tidy processing environment in the organism 1.

It will thus be seen that the present invention is illustrative and not restrictive, and the scope of the invention is defined by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment contains independent technical solutions, and such description of the description is only for clarity, and those skilled in the art should take the description as as a whole, and the technical solutions in the respective embodiments may be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

The dry pressing device for producing ceramic capacitors comprises a machine body (1) and a feeding box (2), wherein the feeding box (2) is located on the upper portion of the side face of the machine body (1), a conveying pipe (13) extending into the machine body (1) is arranged at the bottom of the feeding box (2), a main motor (3) is arranged in the center of the top of the machine body (1), the output end of the main motor (3) is connected with a driving shaft (4) located in the machine body (1), the dry pressing device is characterized in that a plurality of die grooves (22) with through upper and lower ends are formed in the middle disk (6) along the circumferential direction, dry pressing dies (23) are fixed in each die groove (22), dry pressing pieces (8) and demolding pieces (9) which are the same in number as the die grooves (22) and are correspondingly arranged on the same axis as 3936 are arranged on the upper portion of the upper disk (5) and the lower disk (7) respectively, progressive upper portion of the upper disk (11) and lower portion of the lower disk (11) are arranged between the upper end of the top platen (11) of the machine body (1), progressive pressing piece (6) and the lower portion of the top disk (6), and the progressive pressing piece (12) are arranged between the top of the progressive pressing piece (11) and the progressive pressing piece (6), and the progressive pressing piece (11), and the lower platen (6), and the progressive pressing piece (12) which are arranged between the upper portion of the top of the progressive pressing piece (11) and the top of the progressive pressing piece (6) and the progressive pressing piece (11), and the progressive pressing piece (6), and the progressive pressing piece (11) and the top of the progressive pressing piece (6), and the progressive pressing piece (4) which are arranged between the.
2. The dry pressing device for kinds of ceramic capacitors as claimed in claim 1, wherein the dry pressing member (8) comprises a pressing rod guide (17) fixed on the upper disc (5) and a spring pressing rod (16) inserted into the pressing rod guide (17) and slidably connected therewith, the lower end of the spring pressing rod (16) has a lower pressing column (18), the lower pressing column (18) matches with the inner dimension of the dry pressing mold (23), and section of the spring pressing rod (16) located in the pressing rod guide (17) is sleeved with a return spring.
3. The dry pressing device for kinds of ceramic capacitors according to claim 1, wherein the demolding member (9) comprises a mandrel guide (20) fixed on the lower disk (7) and a jacking column (21) inserted in the mandrel guide (20) and slidably connected with the mandrel guide, and the upper end of the jacking column (21) is located in the mold groove (22) and inserted in the dry pressing mold (23).
4. The dry pressing device for producing kinds of ceramic capacitors according to claim 1, 2 or 3, wherein a limiting belt (10) is arranged below the lower disc (7), the limiting belt (10) is an annular belt with sections of openings, the progressive top disc (24) is positioned at the opening of the limiting belt (10), the limiting belt (10) is provided with two circularly overlapped fixed belt bodies with different inner and outer radiuses, and a plurality of positioning rollers (25) which are densely distributed and rotatably connected with the fixed belt bodies are arranged between the two fixed belt bodies.
5. The dry pressing device for producing kinds of ceramic capacitors according to claim 1, 2 or 3, wherein a scraper (14) is fixed on the inner wall of the machine body (1), the scraper (14) extends into the upper plane of the middle disc (6) along the horizontal direction and is attached to the upper plane of the middle disc (6), and the scraper (14) is located right below the feeding box (2).
6. The dry pressing device for kinds of ceramic capacitors as claimed in claim 5, wherein a feed back trough (15) is further provided inside the body (1), the feed back trough (15) is located below the scraper (14) and is in contact sliding connection with the side surface of the middle disc (6).