CN216031484U - Dry pressing device for ceramic capacitor production - Google Patents

Abstract

The utility model provides a dry pressing device for producing a ceramic capacitor, which comprises a dry pressing machine main body, wherein a tabletting device is arranged in the dry pressing machine main body, the upper end of the tabletting device is fixedly connected with the output end of the hydraulic device, the hydraulic device is fixedly connected with the upper end of the main body of the dry press, a template is arranged below the tabletting device, the template is fixedly connected to the middle position in the main body of the dry press, a plurality of forming holes are arranged on the template, a second hydraulic pump is fixedly connected at the middle position of the bottom of the main body of the dry press, the output end of the second hydraulic pump is fixedly connected with a fixed plate, the side wall of the fixed plate is attached to the inner wall of the main body of the dry press, the fixed plate is connected with a bottom plate in a sliding way, the two sides of the bottom of the main body of the dry press are provided with limiting devices, carry out the preforming to the powder through film clamp, the efficiency of preforming has been improved in setting up of a plurality of shaping holes.

Description

Dry pressing device for ceramic capacitor production

Technical Field

The utility model relates to a dry pressing device for producing a ceramic capacitor, belonging to the field of capacitor equipment.

Background

Along with the development of modern science and technology, electronic component is towards the miniaturization, high reliability and low-cost development, ceramic capacitor has small, the low characteristics of cost of manufacture, there is irreplaceable effect in the condenser trade, need carry out dry pressing shaping work to the raw materials in ceramic capacitor's production process, current dry press is when carrying out dry pressing to the powder, lead to the too big surface that makes the preforming to appear the crack of pressure in the twinkling of an eye easily, and the drawing of patterns is comparatively loaded down with trivial details after the dry pressing is accomplished, work efficiency is low, the gradual increase is to the pressure of powder when dry pressing now needs one kind, and after the dry pressing is accomplished, the dry pressing device that can automatic drawing of patterns solves this problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a dry pressing device for producing a ceramic capacitor, which aims to solve the problems in the background art.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a dry pressing device for producing a ceramic capacitor comprises a dry pressing machine main body, a pressing device is arranged in the dry pressing machine main body, the upper end of the tabletting device is fixedly connected with the output end of the hydraulic device, the hydraulic device is fixedly connected with the upper end of the main body of the dry press, a template is arranged below the tabletting device, the template is fixedly connected to the middle position in the main body of the dry press, a plurality of forming holes are arranged on the template, a second hydraulic pump is fixedly connected at the middle position of the bottom of the main body of the dry press, the output end of the second hydraulic pump is fixedly connected with a fixed plate, the side wall of the fixed plate is attached to the inner wall of the main body of the dry press, the fixed plate is connected with a bottom plate in a sliding mode, limiting devices are arranged on two sides of the bottom of the main body of the dry press, and one end, close to the central axis of the main body of the dry press, of each limiting device is attached to the side wall of the bottom plate.

Further, the tabletting device comprises a dry pressing plate, the upper end of the dry pressing plate is fixedly connected with the output end of the hydraulic device, the lower end of the dry pressing plate is fixedly connected with a plurality of fixing rods, the lower ends of the fixing rods are in sliding connection with sliding grooves formed in a dry pressing piece, the sliding grooves are formed in the middle of the dry pressing piece, the lower ends of the sliding grooves are attached to one end of a first spring, the other end of the first spring is attached to the bottom end of the fixing rod, and the dry pressing piece is arranged right above the forming hole.

Furthermore, a bump is sleeved in the first spring and fixedly connected to the bottom of the fixing rod.

Further, stop device is including fixed section of thick bamboo, fixed section of thick bamboo sets up the both sides position in dry press main part bottom, the bottom of fixed section of thick bamboo inner wall is laminated with the one end of second spring mutually, the other end of second spring is laminated with the bottom of slide bar mutually, slide bar sliding connection is in the inside of fixed section of thick bamboo, the slide bar laminates with the inner wall of fixed section of thick bamboo mutually, the upper end of slide bar is connected and is fixed with the limiting plate, the one end that is close to dry press main part axis of limiting plate laminates with the lateral wall of bottom plate mutually.

Further, the lateral wall of limiting plate and the inner wall of dry press main part are laminated mutually, the limiting plate is the platelike structure that the cross-section is "L" shape, the downside position of limiting plate and the draw-in groove phase joint of seting up in fixed plate one side, the upper end of limiting plate and the lateral wall of bottom plate laminate mutually.

Furthermore, a rectangular notch is formed in the middle of the limiting plate, and the bottom surface of the rectangular notch and the upper end surface of the fixing plate are located on the same horizontal plane.

Further, the middle position of bottom plate is provided with the arc handle, the arc handle sets up the rectangle breach position at the limiting plate.

Furthermore, the lower extreme of slide bar is provided with the stopper, the stopper with set up the border looks joint of protecting in fixed section of thick bamboo upper end.

Furthermore, the upper end of the fixed plate is longitudinally provided with three grooves, the three grooves are formed in parallel, the lower end of the bottom plate is provided with a raised line, and the raised line is attached to the inner walls of the grooves.

Furthermore, the upper end face of the bottom plate is attached to the lower end face of the template, and powder is placed in the forming holes.

The utility model has the beneficial effects that: the design is adopted to lead a plurality of pressing sheets to be pressed at one time, thus increasing the working efficiency, the lower end of the dry pressing plate is provided with a plurality of fixed rods, and further the fixed rods are connected in the dry pressing plate in a sliding way, a first spring is arranged between the dry pressing plate and the fixed rods, when the dry pressing plate is contacted with the powder by adopting the design, the first spring is firstly compressed, thereby leading the surface of the pressing sheet not to have cracks because of sudden increase of pressure in the dry pressing process, and after the dry pressing is finished, when the second hydraulic rod drives the bottom plate to move downwards, the first spring pushes the pressing sheet to move downwards to demould the pressing sheet, thereby realizing the function of automatic demould, and the lug is fixedly connected at the bottom of the fixed rod and is sleeved in the first spring, the structure can effectively prevent the first spring from being crushed by overlarge pressure, so that the first spring loses elasticity.

Through being provided with the bottom plate in the bottom of template, the up end of bottom plate is laminated with the lower terminal surface of template mutually, and then bottom plate sliding connection is on the fixed plate, the bottom of fixed plate is connected fixedly with the output of second hydraulic stem, adopt this design to make the in-process bottom plate and the template cooperation of carrying on the preforming carry out the preforming, after the completion, second hydraulic stem drives fixed plate and bottom plate downstream, outwards pull out the bottom plate, the preforming that makes is placed on the bottom plate, make things convenient for going on of process on next step, through laminating mutually at limiting plate and bottom plate, prevent landing beyond the bottom plate, be provided with the second spring through the lower extreme at the slide bar, make under the effect of second spring and second hydraulic pump, the limiting plate remains the laminating state with the bottom plate throughout, through be provided with the handle on the bottom plate, make more convenient when taking out the bottom plate.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of a dry pressing apparatus for manufacturing a ceramic capacitor according to the present invention;

FIG. 2 is a schematic view showing the installation of a die plate in a dry pressing apparatus for manufacturing a ceramic capacitor according to the present invention;

FIG. 3 is a schematic view of the position of a position limiting device in a dry pressing device for producing a ceramic capacitor according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2 at A;

FIG. 5 is an enlarged view of a portion of FIG. 3 at B;

FIG. 6 is a schematic structural diagram of a fixing plate in a dry pressing device for manufacturing a ceramic capacitor according to the present invention;

FIG. 7 is a schematic structural view of a bottom plate in a dry pressing apparatus for manufacturing a ceramic capacitor according to the present invention;

FIG. 8 is a schematic structural diagram of a limiting plate in a dry pressing device for ceramic capacitor production according to the present invention;

in the figure: 1-dry press main body, 2-first hydraulic pump, 3-tabletting device, 4-forming hole, 5-template, 6-limiting device, 7-second hydraulic pump, 8-fixing plate, 9-bottom plate, 31-dry pressing plate, 32-fixing rod, 33-first spring, 34-dry pressing piece, 35-chute, 61-fixing cylinder, 62-second spring, 63-sliding rod and 64-limiting plate.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1 to 8, the present invention provides a technical solution: a dry pressing device for producing ceramic capacitors comprises a dry pressing machine main body 1, a pressing device 3 is arranged inside the dry pressing machine main body 1, the upper end of the pressing device 3 is fixedly connected with the output end of a first hydraulic pump 2, the pressing device 3 is driven to move downwards by the first hydraulic pump 2, the pressing device 3 comprises a dry pressing plate 31, the upper end of the dry pressing plate 31 is fixedly connected with the output end of the first hydraulic pump 2, a fixing rod 32 is fixedly connected with the lower end of the dry pressing plate 31, a plurality of fixing rods 32 are arranged, the lower end of each fixing rod 32 is slidably connected with a chute 35 arranged in the middle of the dry pressing plate 34, and the fixing rods 32 slide along the inner wall of the chutes 35 by arranging the chutes 35, so that when the dry pressing plate 34 just starts to press powder, the dry pressing plate 34 moves upwards, the pressure on the powder is continuously increased, the pressure on the powder is prevented from being suddenly increased, and cracks are caused on the surface of the pressed plate, the lower extreme of spout 35 and the one end of first spring 33 are laminated mutually, and the other end of first spring 33 and the bottom of dead lever 32 are laminated mutually, make through setting up first spring 33 after the preforming is accomplished, first spring 33 promotes futilely casting die 34 for futilely casting die 34 pushes down the preforming, pushes out the preforming from shaping hole 4, realizes the automatic drawing of patterns of preforming.

The first spring 33 is sleeved with a convex block, the convex block is fixedly connected to the bottom of the fixing rod 32, the first spring 33 is prevented from being damaged due to over-pressure due to the arrangement of the convex block, the dry pressing piece 34 is arranged right above the forming hole 4, the template 5 is arranged below the pressing device 3, the template 5 is fixedly connected to the middle position in the dry press main body 1, the template 5 is provided with a plurality of forming holes 4, the plurality of dry pressing pieces 34 are matched with the forming holes 4, so that a plurality of groups of powder can be pressed at one time, the working efficiency is improved, the middle position at the bottom of the dry press main body 1 is fixedly connected with the output end of the second hydraulic pump 7, the side wall of the fixing plate 8 is attached to the inner wall of the dry press main body 1, the upper end of the fixing plate 8 is longitudinally provided with three grooves, the three grooves are formed in parallel, and the fixing plate 8 is provided with the grooves, so that more in the same direction as smooth when taking out bottom plate 9, the lower extreme of bottom plate 9 sets up the sand grip, and the sand grip laminates with the inner wall of recess mutually, and sliding connection has bottom plate 9 on the fixed plate 8, and 1 bottom position of dry press main part is provided with stop device 6, prescribes a limit to the position of bottom plate 9 through stop device 6, prevents the unexpected landing of bottom plate 9.

The limiting device 6 comprises a fixed cylinder 61, the fixed cylinder 61 is arranged at two side positions of the bottom of the main body 1 of the dry press, the bottom of the inner wall of the fixed cylinder 61 is attached to one end of a second spring 62, the other end of the second spring 62 is attached to the bottom of a sliding rod 63, the second spring 62 is arranged to push a limiting plate 64, the limiting plate 64 is always attached to the side wall of the bottom plate 9, the sliding rod 63 is slidably connected inside the fixed cylinder 61, the sliding rod 63 is attached to the inner wall of the fixed cylinder 61, the lower end of the sliding rod 63 is provided with a limiting block, the limiting block is clamped with a guard edge arranged at the upper end of the fixed cylinder 61, the sliding rod 63 is prevented from sliding out of the fixed cylinder 61 by clamping the limiting plate 64 with the guard edge, the limiting plate 64 with an L-shaped section is fixedly connected to the upper end of the sliding rod 63, one end, close to the central axis 1 of the limiting plate 64, is attached to the side wall of the bottom plate 9, the side wall of the limit plate 64 is attached to the inner wall of the main body 1 of the dry press, the lower end of the limit plate 64 is clamped with the clamping groove arranged on the side wall of the fixed plate 8 by arranging the limit plate 64 into an L-shaped structure, so that, when the second hydraulic pump 7 moves downward, the stationary plate 8 compresses the second spring 62 downward, thereby pushing the limit plate 64 to move downwards, the middle position of the limit plate 64 is provided with a rectangular notch, the bottom surface of the rectangular notch and the upper end surface of the fixed plate 8 are positioned on the same horizontal plane, through the arrangement of the rectangular notch, and then bottom plate 9 is provided with the arc handle in the rectangle breach position for can be easier take bottom plate 9 out from dry press main part 1, the upper end of limiting plate 64 and the lateral wall of bottom plate 9 laminate mutually, and the lower terminal surface of bottom plate 9 up end and template 5 laminates mutually, has placed the powder in the shaping hole 4, carries out the preforming to the powder through the cooperation of dry pressing piece 34, template 5 and bottom plate 9.

The specific implementation mode is as follows: the second hydraulic pump 7 moves upwards to push the fixed plate 8 to move upwards, the fixed plate 8 pushes the bottom plate 9 to move upwards, when the upper end surface of the bottom plate 9 is jointed with the lower end surface of the template 5, the second hydraulic pump 7 stops moving, and in the process of upward movement of the bottom plate 9, the second spring 62 pushes the slide bar 63 upwards, the slide bar 63 pushes the limit plate 64 upwards, so that the limit plate 64 follows the bottom plate 9 to move simultaneously, so that the limit plate 64 is always attached to the side wall of the bottom plate 9, powder is injected into the molding hole 4, the first hydraulic pump 2 moves downwards, the dry pressing plate 31 drives the fixing rod 32 to move downwards, when the dry pressing member 34 just contacts the powder, the dry pressing member 34 compresses the first spring 33 upward, and when the protrusion provided with the lower end of the fixing rod 32 contacts the inner wall of the bottom of the dry pressing member 34, the first hydraulic pump 2 continues to push the dry pressing plate 31 downward until the pressing is completed.

After the pressing sheet is finished, the second hydraulic pump 7 drives the bottom plate 9 to move downwards, the first spring 33 pushes the dry pressing piece 34 downwards while the bottom plate 9 moves downwards, the manufactured pressing sheet is pushed out from the forming hole 4 by the dry pressing piece 34 and falls onto the bottom plate 9, the limiting plate 64 is pushed downwards, the limiting plate 64 compresses the sliding rod 63 downwards, the sliding rod 63 slides downwards along the inner wall of the fixing cylinder 61 to compress the second spring 62, the limiting plate 64 is separated from limiting the bottom plate 9, the bottom plate 9 is pulled outwards, and subsequent processing is performed on the pressing sheet on the bottom plate 9.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A dry-pressing device for ceramic capacitor production comprises a dry-pressing machine main body (1), and is characterized in that: the inner part of the dry press main body (1) is provided with a tabletting device (3), the upper end of the tabletting device (3) is fixedly connected with the output end of a hydraulic device, the hydraulic device is fixedly connected with the upper end of the dry press main body (1), a template (5) is arranged below the tabletting device (3), the template (5) is fixedly connected with the middle position inside the dry press main body (1), the template (5) is provided with a plurality of forming holes (4), the middle position at the bottom of the dry press main body (1) is fixedly connected with a second hydraulic pump (7), the output end of the second hydraulic pump (7) is fixedly connected with a fixed plate (8), the side wall of the fixed plate (8) is attached to the inner wall of the dry press main body (1), a bottom plate (9) is slidably connected on the fixed plate (8), and limiting devices (6) are arranged at the two side positions at the bottom of the dry press main body (1), one end of the limiting device (6) close to the central axis of the main body (1) of the dry press is attached to the side wall of the bottom plate (9).

2. A dry-pressing apparatus for ceramic capacitor production according to claim 1, wherein: sheeting device (3) are including doing clamp plate (31), the upper end and the hydraulic means's of doing clamp plate (31) output are connected fixedly, the lower extreme fixedly connected with dead lever (32) of doing clamp plate (31), dead lever (32) are provided with a plurality ofly, the lower extreme and the spout (35) sliding connection who offers on doing clamp plate (34) of dead lever (32), the intermediate position at doing clamp plate (34) is seted up in spout (35), the lower extreme of spout (35) is laminated with the one end of first spring (33) mutually, the other end of first spring (33) is laminated with the bottom of dead lever (32) mutually, do clamp plate (34) and set up directly over shaping hole (4).

3. A dry-pressing apparatus for ceramic capacitor production according to claim 2, wherein: the first spring (33) is sleeved with a convex block, and the convex block is fixedly connected to the bottom of the fixing rod (32).

4. A dry-pressing apparatus for ceramic capacitor production according to claim 1, wherein: stop device (6) are including solid fixed cylinder (61), gu fixed cylinder (61) sets up the both sides position in dry press main part (1) bottom, the bottom of gu fixed cylinder (61) inner wall is laminated with the one end of second spring (62) mutually, the other end of second spring (62) is laminated with the bottom of slide bar (63), slide bar (63) sliding connection is in the inside of gu fixed cylinder (61), slide bar (63) are laminated with the inner wall of gu fixed cylinder (61) mutually, the upper end of slide bar (63) is connected and is fixed with limiting plate (64), the one end that is close to dry press main part (1) axis of limiting plate (64) is laminated with the lateral wall of bottom plate (9) mutually.

5. The dry-pressing apparatus for ceramic capacitor production according to claim 4, wherein: the lateral wall of limiting plate (64) is laminated with the inner wall of dry press main part (1) mutually, limiting plate (64) are the platelike structure of "L" shape for the cross-section, the downside position of limiting plate (64) and the draw-in groove phase joint of seting up in fixed plate (8) one side, the upper end of limiting plate (64) is laminated with the lateral wall of bottom plate (9) mutually.

6. The dry-pressing apparatus for ceramic capacitor production according to claim 4, wherein: the middle position of the limiting plate (64) is provided with a rectangular notch, and the bottom surface of the rectangular notch and the upper end surface of the fixing plate (8) are located on the same horizontal plane.

7. The dry-pressing apparatus for ceramic capacitor production according to claim 4, wherein: the middle position of the bottom plate (9) is provided with an arc-shaped handle, and the arc-shaped handle is arranged at the position of the rectangular notch of the limiting plate (64).

8. The dry-pressing apparatus for ceramic capacitor production according to claim 4, wherein: the lower extreme of slide bar (63) is provided with the stopper, the stopper with set up the border looks joint in fixed section of thick bamboo (61) upper end.

9. A dry-pressing apparatus for ceramic capacitor production according to claim 1, wherein: the upper end of the fixed plate (8) is longitudinally provided with three grooves, the three grooves are formed in parallel, the lower end of the bottom plate (9) is provided with a convex strip, and the convex strip is attached to the inner walls of the grooves.

10. A dry-pressing apparatus for ceramic capacitor production according to claim 1, wherein: the upper end face of the bottom plate (9) is attached to the lower end face of the template (5), and powder is placed in the forming holes (4).

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