Efficient and flexible special ceramic dry pressing forming mold

Abstract

The utility model discloses an efficient and flexible special ceramic dry pressing forming die, and belongs to the technical field of ceramic forming dies, the dry pressing forming die comprises an upper die head, a hollow middle die and a lower die head, the upper die head is arranged above the middle die and matched with the middle die, and the lower die head is arranged above the middle die and matched with the middle die. The lower die head comprises a lower die head body and a die head supporting plate located below the lower die head body, the lower die head body is sleeved with the middle die, and a first spiral manual jack and a second spiral manual jack are arranged between the middle die and the die head supporting plate. And the first spiral manual jack and the second spiral manual jack are symmetrically arranged relative to the lower die head body. The first spiral manual jack and the second spiral manual jack are arranged to replace a traditional gasket, so that the problem that the filler height adjustment is inflexible and discontinuous during forming is solved, and meanwhile, the demolding flexibility is improved; and the procurement cost of the cushion block is obviously reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to ceramic forming die technical field, especially in a kind of high-efficiency flexible special ceramic dry pressing forming die. BACKGROUND

[0002] Dry pressing forming process is the most commonly used forming method in special ceramic industry, especially suitable for forming simple cuboid, cube, cylinder and polygon edge body and other simple regular geometric body, after sintering and grinding processing of green body after forming, the final ceramic product meeting the size requirement is obtained.Ceramic powder is loaded into mold dry pressing forming, and there is certain fluctuation in compression ratio after dry pressing forming and shrinkage ratio after sintering, and the hardness of ceramic after sintering is high, difficult to process, and the processing time is long, and the design and flexible adjustment of mold are the key to reduce production cost.Large size ceramic, i.e. UTILITY MODEL CONTENTS

[0003] The technical problem to be solved by the utility model is to provide a kind of high-efficiency flexible special ceramic dry pressing forming die to solve the problems in the background art.

[0004] In order to solve the above technical problems, the technical scheme of the utility model is:

[0005] A kind of high-efficiency flexible special ceramic dry pressing forming die, the dry pressing forming die includes upper die head, hollow middle die and lower die head, the upper die head is set above the middle die and is matched with the middle die, the lower die head includes lower die head body and die head support plate located below the lower die head body, the middle die is sleeved on the lower die head body, first screw hand-operated jack, second screw hand-operated jack are arranged between the middle die and the die head support plate, the first screw hand-operated jack and the second screw hand-operated jack are symmetrically arranged about the lower die head body.

[0006] Preferably, the lower die body is cylindrical, and a line connecting the first screw hand jack and the second screw hand jack passes through the center axis of the cylindrical lower die body.

[0007] Preferably, a third screw hand jack is further arranged between the middle die and the die support plate.

[0008] Preferably, the first screw hand jack and the second screw hand jack are symmetrically arranged relative to the third screw hand jack.

[0009] Preferably, a first adjusting rod is arranged on the first screw hand jack, and a second adjusting rod is arranged on the second screw hand jack, and the first adjusting rod and the second adjusting rod are connected with an adjusting cross rod.

[0010] The above technical scheme has the following beneficial effects:

[0011] The first screw hand jack and the second screw hand jack are arranged to replace the traditional gasket, so that the problem of non-flexible and non-continuous filling height adjustment during forming is solved, and the flexibility of demolding is increased.

[0012] The first screw hand jack and the second screw hand jack replace various gaskets of different sizes, which significantly reduces the procurement cost of gaskets, especially the higher cost of gaskets for preparing large-size ceramics. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 FIG. 1 is a structural schematic view of a high-efficiency flexible special ceramic dry pressing forming die according to the present application;

[0014] Figure 2 FIG. 2 is a sectional structural schematic view of the high-efficiency flexible special ceramic dry pressing forming die according to the present application. DETAILED DESCRIPTION

[0015] The specific embodiments of the present application will be further described below with reference to the accompanying drawings. It should be noted that the description of the embodiments is used to help understand the present application, but does not constitute a limitation on the present application. In addition, the technical features involved in each embodiment of the present application described below can be combined with each other as long as there is no conflict.

[0016] REFERENCE Figure 1 and Figure 2The utility model provides a kind of high-efficient flexible special ceramic dry pressing forming die, dry pressing forming die includes upper die head 3, hollow middle die 2 and lower die head, upper die head 3 is disposed above middle die 2 and is cooperatively arranged with middle die 2, lower die head includes lower die head body 1 and die head support plate 10 located below lower die head body 1, middle die 2 is sleeved on lower die head body 1, first screw hand jack 4 and second screw hand jack 5 are equipped between middle die 2 and die head support plate 10, first screw hand jack 4 and second screw hand jack 5 are symmetrically arranged about lower die head body 1;

[0017] When using, ceramic powder is placed above lower die head body 1 and in middle die 2, upper die head 3 is installed in cooperation, and pressure is given to complete ceramic dry pressing forming;

[0018] By setting first screw hand jack 4 and second screw hand jack 5, the height of middle die 2 can be adjusted as needed, solving the problem of non-flexible and discontinuous filling height adjustment during forming using the existing technology, and also increasing the flexibility of demolding;

[0019] Lower die head body 1 is cylindrical, and the connecting line between first screw hand jack 4 and second screw hand jack 5 passes through the central axis of the cylindrical lower die head body 1, that is, first screw hand jack 4 and second screw hand jack 5 are respectively arranged on the left and right sides of lower die head body 1, better supporting the up-and-down movement of middle die 2 and upper die head 3;

[0020] Third screw hand jack 6 is further provided between middle die 2 and die head support plate 10, which better supports middle die 2 and upper die head 3 by setting third screw hand jack 6;

[0021] First screw hand jack 4 and second screw hand jack 5 are symmetrically arranged about third screw hand jack 6;

[0022] First adjusting rod 7 is cooperatively arranged on first screw hand jack 4, and second adjusting rod 8 is cooperatively arranged on second screw hand jack 5, both first adjusting rod 7 and second adjusting rod 8 are connected with adjusting cross bar 9, when using, by holding adjusting cross bar 9 and rotating back and forth at a certain angle, first screw hand jack 4 and second screw hand jack 5 can be simultaneously elongated upward or shortened back, better supporting the up-and-down movement of middle die 2 along the outer sidewall of lower die head body 1, first screw hand jack 4 and second screw hand jack 5 can push middle die 2 to move up and down, and after moving into position, third screw hand jack 6 is adjusted into position, the stress is more uniform, and the support is more stable;

[0023] By setting first screw hand jack 4 and second screw hand jack 5 to replace traditional gaskets, the problem of non-flexible and discontinuous filling height adjustment during forming is solved, and the flexibility of demolding is also increased.

[0024] The first screw hand jack 4 and the second screw hand jack 5 replace various different size cushion blocks, which significantly reduces the cost of purchasing cushion blocks, especially the higher cost of cushion blocks when preparing large size ceramics.

[0025] The above describes the embodiments of the present application in detail in combination with the drawings, but the present application is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and variations of the embodiments are made without departing from the principles and spirits of the present application, and still fall into the protection scope of the present application.

Claims

1. A high efficient flexible special ceramic dry pressing forming die, characterized in that, The dry compression forming die comprises an upper die head (3), a hollow middle die (2) and a lower die head, the upper die head (3) is arranged above and cooperates with the middle die (2), the lower die head comprises a lower die head body (1) and a die head support plate (10) below the lower die head body (1), the middle die (2) is sleeved on the lower die head body (1), and a first screw hand jack (4) and a second screw hand jack (5) are arranged between the middle die (2) and the die head support plate (10), and the first screw hand jack (4) and the second screw hand jack (5) are symmetrically arranged about the lower die head body (1).

2. The high-efficiency flexible special ceramic dry pressing forming die according to claim 1, characterized in that, The lower die head body (1) is cylindrical, and the line between the first screw hand jack (4) and the second screw hand jack (5) passes through the center axis of the cylindrical lower die head body (1).

3. The high efficient flexible special ceramic dry pressing die of claim 1, wherein, A third screw hand jack (6) is further arranged between the middle die (2) and the die head support plate (10).

4. The high-efficiency flexible special ceramic dry-pressing forming die according to claim 3, characterized in that, The first screw hand jack (4) and the second screw hand jack (5) are symmetrically arranged about the third screw hand jack (6).

5. The high efficient flexible special ceramic dry pressing die set of claim 4, wherein, A first adjusting rod (7) is arranged on the first screw hand jack (4) in cooperation, a second adjusting rod (8) is arranged on the second screw hand jack (5) in cooperation, and the first adjusting rod (7) and the second adjusting rod (8) are connected with an adjusting cross rod (9).

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