CN216031472U - Isostatic pressing pedestal for precision ceramics - Google Patents

Abstract

The utility model relates to the technical field of ceramic chip production equipment, in particular to an isostatic pressing pedestal for precision ceramics, which comprises a die seat, the setting forms complex moulding-die at die holder upper end die block and die block, the moulding-die sets up the upper end at the die block, the top of moulding-die is connected with the support through the hydraulic stem, the support side is connected with the die holder, the movable chamber has been seted up to the moulding-die bottom, the activity intracavity portion is equipped with and forms complex terrace die with the die block, be connected with the guide bar on the terrace die, the upper end of moulding-die is equipped with the mount, the mount comprises two risers and the roof that sets up on the riser, be equipped with the motor on the roof, it is little to ceramic pressing dynamics to have solved current hydraulic pressure static pressure equipment, at the bottom of the ceramic density of suppression, the low loaded down with trivial details problem of step of production preparation efficiency, make accurate ceramic pressing shaping back ceramic density higher, manual operation is simpler, need not to change hydraulic pressure pressing equipment alright accomplish ceramic high density suppression.

Description

Isostatic pressing pedestal for precision ceramics

Technical Field

The utility model relates to the technical field of ceramic manufacturing equipment, in particular to an isostatic pressing pedestal for precision ceramics.

Background

The compact ceramic is mainly used for manufacturing circuit substrates, coil frameworks, electron tube sockets, high-voltage insulating ceramics, front cones of rockets and the like. The production principle utilizes hydraulic equipment to drive a male die and a female die to be matched so as to compact materials between the male die and the female die to prepare a ceramic product, and the production process has the following problems;

hydraulic pressure compresses tightly pottery, and because of its pressure is limited, when hydraulic equipment reached pressure limit pressure and made ceramic raw materials compressed to certain density, the hydraulic press wanted to compress tightly the density further improvement to ceramic density, often just need to change the hydraulic press that has more big pressure and carry out the secondary punching press to pottery, and equipment is unsatisfactory to ceramic suppression effect, and operating procedure is loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems in the prior art, and provides an isostatic pressing pedestal for precision ceramics, which solves the problems that the existing hydrostatic pressing equipment has small ceramic pressing force, the pressed ceramics have low compactness and the production and manufacturing efficiency is complicated.

In order to solve the prior art problem, the utility model discloses an isostatic pressing pedestal for precision ceramics, which comprises a die seat and a pressing die which is arranged at the upper end of the die seat and matched with a bottom die, the pressing die is arranged at the upper end of the bottom die, the top of the pressing die is connected with a bracket through a hydraulic rod, the side surface of the bracket is connected with the die seat, the bottom of the pressing die is provided with a movable cavity, the inner part of the movable cavity is provided with a male die matched with the bottom die, the male die is connected with a guide rod, the upper end of the pressing die is provided with a fixed frame, the fixed frame consists of two vertical plates and a top plate arranged on the vertical plates, the top plate is provided with a motor, the output end of the motor is connected with a rotating wheel, the position of the rotating wheel far away from the circle center is provided with a connecting column, the upper end of the guide rod penetrates through the pressing die to reach the inside of the fixing frame, and a connecting belt is arranged inside the fixing frame;

two the inboard of riser is equipped with first limiting plate and deflector respectively, and the activity links to each other between the riser that wherein has first limiting plate and the moulding-die, the guide bar upper end is equipped with second limiting plate and the mounting panel with first limiting plate and the coincidence of deflector vertical direction respectively, be equipped with the spring between deflector and the mounting panel, restriction guide bar vertical migration when first limiting plate contradicts with the second limiting plate makes the interval have the buffering clearance between terrace die top and the movable chamber roof.

Preferably, the top of the pressing die is provided with a sliding groove, the bottom of the vertical plate with the first limiting plate is provided with a sliding block corresponding to the sliding groove, a screw penetrates through the inner thread of the sliding block, and the bottom of the sliding groove is provided with a through hole matched with the screw.

Preferably, the fixing frame is of a rectangular structure, and a separation gap is arranged between the bottom of the top plate and the top of the vertical plate with the first limiting plate.

Preferably, the guide plate one end is seted up the holding the guiding hole of connecting band, the upper end of connecting band passes the guiding hole and links to each other with the spliced pole.

Preferably, the inside of guiding hole is connected with two leading wheels in a rotating manner, and the connecting band is movably arranged between the adjacent leading wheels in a penetrating manner.

Preferably, the die is provided with a through hole in the interior thereof for receiving the guide rod to freely pass through, and the through hole is provided at one side of the slide groove.

Preferably, the guide rod, the guide hole and the center of the rotating wheel of the motor are positioned on the same vertical line.

Preferably, the number of the hydraulic rods is two, and the two hydraulic rods are symmetrically arranged at the top of the pressing die by taking the fixing frame as a center.

Compared with the prior art, the utility model has the beneficial effects that:

the ceramic raw material can be placed on the bottom die through external equipment, before the die is pressed, the second limiting plate on the side surface of the guide rod is positioned at the upper end of the first limiting plate, the first limiting plate and the second limiting plate are oppositely abutted and locked, the guide rod is locked in the vertical direction, the male die positioned at the lower end of the guide rod is fixed in the movable cavity, the hydraulic rod descends to drive the male die positioned at the lower end of the pressing die to be matched with the bottom die, the ceramic raw material laid on the bottom die is pressed, when the hydraulic rod reaches the pressing limit, the primary pressing of the ceramic is completed, then the vertical plate with the first limiting plate can be moved on the pressing die to separate the first limiting plate from the second limiting plate, at the moment, the locking state of the guide rod in the vertical direction is released, the male die positioned at the lower end of the guide rod can move up and down in the buffer gap, the motor starts to drive the rotating wheel to rotate, and the connecting belt is driven to move up and down around the center of the rotating wheel through the connecting column in the rotating process, when the connecting band is when following runner upward movement to highest position, the guide bar rises and drives the mounting panel and be close to the deflector direction, the spring is compressed and stores elastic potential energy, the terrace die will cushion the clearance and fill up this moment, when the switching area descends from highest position along with the runner, the spring resets, and apply the decurrent effort to the guide bar, the guide bar drives terrace die downstream and strikes the ceramic material on the die block, cushion the clearance recovery this moment, so reciprocal above-mentioned operation, both rotated indirect drive terrace die through the motor and carried out reciprocal quick impact to the material on the die block, and then can effectively improve the degree of compressing tightly to ceramic material, ceramic preparation is inseparabler, processing steps are simple, high production efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 1 at B according to the present invention;

FIG. 4 is a structural sectional view of the first embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a second embodiment of the present invention.

The labels in the figure are: 1. a mold base; 11. bottom die; 2. a support; 21. a hydraulic lever; 23. pressing the die; 24. A male die; 25. a slider; 26. a chute; 3. a vertical plate; 31. a first limit plate; 32. a guide plate; 33. a guide wheel; 4. a guide bar; 41. a second limiting plate; 42. mounting a plate; 43. a spring; 44. a connecting belt; 5. a top plate; 6. a motor; 61. a rotating wheel; 62. connecting columns; 63. a vibrating machine; 7. a buffer gap; 8. a vibration motor.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Referring to fig. 1-5, an isostatic pressing pedestal for precision ceramics comprises a mold base 1, the die pressing device comprises a die block 11 and a die block 11 which are arranged at the upper end of a die base 1 to form a matched pressing die 23, wherein the pressing die 23 is arranged at the upper end of the die block 11, the top of the pressing die 23 is connected with a support 2 through a hydraulic rod 21, the side surface of the support 2 is connected with the die base 1, a movable cavity is formed in the bottom of the pressing die 23, a male die 24 matched with the die block 11 is arranged inside the movable cavity, a guide rod 4 is connected onto the male die 24, a fixing frame is arranged at the upper end of the pressing die 23 and consists of two vertical plates 3 and a top plate 5 arranged on the vertical plates 3, a motor 6 is arranged on the top plate 5, the output end of the motor 6 is connected with a rotating wheel 61, a connecting column 62 is arranged at the position of the rotating wheel 61, a connecting belt 44 is arranged at the upper end of the guide rod 4 penetrating through the pressing die 23 to the inside the fixing frame, and the other end of the connecting belt 44 is connected onto the connecting column 62;

the inner sides of the two vertical plates 3 are respectively provided with a first limiting plate 31 and a guide plate 32, the vertical plate 3 with the first limiting plate 31 is movably connected with the pressing die 23, the upper end of the guide rod 4 is respectively provided with a second limiting plate 41 and a mounting plate 42 which are overlapped with the first limiting plate 31 and the guide plate 32 in the vertical direction, a spring 43 is arranged between the guide plate 32 and the mounting plate 42, and the first limiting plate 31 and the second limiting plate 41 are abutted to limit the vertical movement of the guide rod 4 so that a buffer gap 7 is formed between the top of the male die 24 and the top wall of the movable cavity.

In this embodiment, support 2 is L shape structure, is favorable to support 2 to be connected with hydraulic stem 21 and mould seat 1 like this, and hydraulic stem 21 is preferred two, and two hydraulic stems 21 use the mount to set up at the top of moulding-die 23 as central symmetry respectively, utilize two synchronous flexibilities of hydraulic stem 21 and then exert synchronous pressure to moulding-die 23, avoid single hydraulic stem 21 pressing mode, the inhomogeneous condition of pressure distribution appears easily, and two hydraulic stems 21 are convenient for the setting with the mount simultaneously.

In order to facilitate the vertical plate 3 to slide on the upper end of the pressing die 23, as shown in fig. 4, a sliding groove 26 is arranged at the top of the pressing die 23, a sliding block 25 corresponding to the sliding groove 26 is arranged at the bottom of the vertical plate 3 with a first limiting plate 31, a screw penetrates through the inner thread of the sliding block 25, and a through hole matched with the screw is arranged at the bottom of the sliding groove 26.

In the embodiment, the through hole is disposed at the bottom of the sliding slot 26, and the screw penetrates through the sliding block 25 in the vertical direction, so that the screw is in threaded fit with the through hole, and the sliding block 25 is preferably an i-shaped sliding block 25, which is beneficial to the sliding stability of the sliding block 25 in the sliding slot 26.

In order to enable the vertical plate 3 with the first limiting plate 31 to freely slide on the pressing die 23 without being affected by the fixing frame, as shown in fig. 4, the fixing frame is of a rectangular structure, a separation gap is provided between the bottom of the top plate 5 and the top of the vertical plate 3 with the first limiting plate 31, and the top plate 5 and the vertical plate 3 are separated to avoid the interference of the relative movement of the two.

In order to avoid the random swing of the connecting band 44 along with the rotation of the rotating wheel 61, as shown in fig. 1 and 4, one end of the guide plate 32 is provided with a guide hole for accommodating the connecting band 44, the upper end of the connecting band 44 passes through the guide hole to be connected with the connecting column 62, and the movable range of the connecting band 44 can be limited through the guide hole, so that the swing range of the connecting band 44 is smaller and more stable.

In the embodiment, as shown in fig. 3, in order to reduce the friction resistance of the connection belt 44 when the guide holes move, two guide wheels 33 are rotatably connected inside the guide holes, the connection belt 44 is movably inserted between adjacent guide wheels 33, and a gap is formed between adjacent guide wheels 33, so that the connection belt 44 can be accommodated, the sliding friction between the connection belt 44 and the guide holes is changed into rolling friction, and the abrasion of the connection belt 44 is reduced.

In the above embodiment, as shown in fig. 1, the three of the guide rod 4, the guide hole and the center of the wheel 61 of the motor 6 are located on the same vertical line, and when the three are located on the same vertical line, the swing amplitude of the connecting belt 44 is reduced when the wheel 61 is rotated, so that the device is more stable.

In the above embodiment, when the connecting belt 44 is connected to the connecting column 62 on the rotating wheel 61, preferably, the connecting column 62 is sleeved with a bearing, and the connecting belt 44 is connected to the connecting column 62 through the bearing, so that the swing angle of the connecting belt 44 during rotation along with the connecting column 62 can be effectively reduced, and the connecting belt 44 is prevented from being wound on the connecting column 62.

In order to facilitate the guide rod 4 to freely pass through the die 23 up and down, as shown in fig. 4, a through hole for receiving the guide rod 4 to freely pass through is provided inside the die 23 and is provided at one side of the slide groove 26.

Referring to fig. 5, unlike the above-mentioned embodiment, in this embodiment, the vibration motor 8 is directly disposed at the upper end of the guide rod 4, the connection belt 44 and the wheel 61 are removed, the guide rod 4 passes through the guide hole of the guide plate 32 and is connected to the vibration motor 8, and the punch 24 at the lower end of the guide rod 4 is driven by the up-and-down vibration of the vibration motor 8 to repeatedly vibrate and stamp the press die 23, thereby improving the ceramic pressing tightness.

Specifically, when the ceramic material pressing die is used, the ceramic material can be placed on the bottom die 11 through external equipment, before the die pressing, the second limit plate 41 on the side surface of the guide rod 4 is positioned at the upper end of the first limit plate 31 and is relatively abutted and locked, the guide rod 4 is locked in the vertical direction, meanwhile, the male die 24 at the lower end of the guide rod 4 is fixed in the movable cavity, the hydraulic rod 21 descends to drive the male die 24 at the lower end of the pressing die 23 to be matched with the bottom die 11, the ceramic material laid on the bottom die 11 is pressed, when the hydraulic rod 21 reaches the pressing limit, the primary pressing of the ceramic is completed, then the vertical plate 3 with the first limit plate 31 can be moved on the pressing die 23 to separate the first limit plate 31 from the second limit plate 41, at this time, the locking state of the guide rod 4 in the vertical direction is released, the male die 24 at the lower end of the guide rod 4 can move up and down in the buffer gap 7, the motor 6 starts the driving rotating wheel 61 to rotate, the connecting belt 44 is driven to move up and down around the center of the rotating wheel 61 through the connecting column 62 in the rotating process, when the connecting belt 44 moves upwards along with the rotating wheel 61 to the highest position, the guide rod 4 rises and drives the mounting plate 42 to approach to the direction of the guide plate 32, the spring 43 is compressed and stores elastic potential energy, the buffer gap 7 is filled by the male die 24 at the moment, when the switching belt descends from the highest position along with the rotating wheel 61, the spring 43 resets and applies downward acting force to the guide rod 4, the guide rod 4 drives the male die 24 to move downwards to impact the ceramic material on the bottom die 11, the buffer gap 7 is recovered at the moment, the operations are repeated in such a way, the male die 24 is indirectly driven to perform reciprocating rapid impact on the material on the bottom die 11 through the rotation of the motor 6, the compression degree of the ceramic material can be effectively improved, the ceramic pressing is tighter, the processing steps are simple, the production efficiency is high.

The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the utility model. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.

Claims (8)

1. The utility model provides an isostatic pressing pedestal for precision ceramics, includes mould seat (1), sets up at mould seat (1) upper end die block (11) and die block (11) formation complex moulding-die (23), moulding-die (23) set up the upper end at die block (11), the top of moulding-die (23) is connected with support (2) through hydraulic stem (21), support (2) side is connected with mould seat (1), its characterized in that, the activity chamber has been seted up to moulding-die (23) bottom, the activity intracavity portion is equipped with and forms complex terrace die (24) with die block (11), be connected with guide bar (4) on terrace die (24), the upper end of moulding-die (23) is equipped with the mount, the mount comprises two risers (3) and roof (5) that set up on riser (3), be equipped with motor (6) on roof (5), the output of motor (6) is connected with runner (61), a connecting column (62) is arranged at the position, far away from the circle center, of the rotating wheel (61), the upper end of the guide rod (4) penetrates through the pressing die (23) to the inside of the fixing frame to be provided with a connecting belt (44), and the other end of the connecting belt (44) is connected to the connecting column (62);

two the inboard of riser (3) is equipped with first limiting plate (31) and deflector (32) respectively, and the activity links to each other between riser (3) and the moulding-die (23) that wherein have first limiting plate (31), second limiting plate (41) and mounting panel (42) that coincide with first limiting plate (31) and deflector (32) vertical direction are equipped with respectively to guide bar (4) upper end, be equipped with spring (43) between deflector (32) and mounting panel (42), restriction guide bar (4) vertical migration when first limiting plate (31) contradict with second limiting plate (41) is so that there is buffer gap (7) at the interval between terrace die (24) top and the activity chamber roof.

2. The isostatic press pedestal for precision ceramics according to claim 1, wherein: the top of the pressing die (23) is provided with a sliding groove (26), the bottom of the vertical plate (3) with the first limiting plate (31) is provided with a sliding block (25) corresponding to the sliding groove (26), a screw penetrates through the inner thread of the sliding block (25), and the bottom of the sliding groove (26) is provided with a through hole matched with the screw.

3. The isostatic press pedestal for precision ceramics according to claim 1, wherein: the fixing frame is of a rectangular structure, and a separation gap is arranged between the bottom of the top plate (5) and the top of the vertical plate (3) with the first limiting plate (31).

4. The isostatic press pedestal for precision ceramics according to claim 1, wherein: the guide plate (32) one end is seted up the holding the guiding hole of connecting band (44), the upper end of connecting band (44) passes the guiding hole and links to each other with spliced pole (62).

5. The isostatic press pedestal for precision ceramics according to claim 4, wherein: the inside of guiding hole rotates and is connected with two leading wheels (33), connecting band (44) activity is worn to establish between adjacent leading wheel (33).

6. The isostatic press pedestal for precision ceramics according to claim 2, wherein: the pressing die (23) is internally provided with a through hole for freely passing through the guide rod (4), and the through hole is arranged on one side of the sliding chute (26).

7. The isostatic press pedestal for precision ceramics according to claim 2, wherein: the guide rod (4), the guide hole and the center of the rotating wheel (61) of the motor (6) are positioned on the same vertical line.

8. The isostatic press pedestal for precision ceramics according to claim 1, wherein: the two hydraulic rods (21) are symmetrically arranged at the top of the pressing die (23) by taking the fixing frame as the center.

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