CN215471857U - Static pressure forming equipment for ceramics - Google Patents

Abstract

The utility model discloses ceramic static pressure forming equipment which comprises a base, a hydraulic cylinder and a vertical frame, wherein a connecting cylinder is arranged on the surface of a threaded opening, a transmission gear is arranged at the bottom end of the connecting cylinder, a switch mechanism is arranged at the bottom end of the hydraulic cylinder on one side of the connecting cylinder, a ceramic mold is arranged in the connecting cylinder in a limiting mode, a pressure film is arranged in the hydraulic cylinder above a movable pressure plate, a driven gear is arranged at the top end of the vertical frame, a power rod is movably arranged in a screw hole, a pressing plate is arranged at the top end of the inner wall of the hydraulic cylinder in a limiting mode, a power mechanism is arranged at the top end of the vertical frame on one side of the driven gear, a pressure supply box is arranged on the surface of one side of the vertical frame, and a control box is arranged on the surface of the pressure supply box. According to the ceramic static pressure forming equipment, a series of structures are arranged, so that the equipment is opened from top to bottom while plastic films are prevented from being packaged by materials, products are convenient to take out, labor is saved, and the processing efficiency is improved.

Description

Static pressure forming equipment for ceramics

Technical Field

The utility model relates to the technical field of alumina ceramic production, in particular to ceramic static pressure forming equipment.

Background

The alumina ceramic is a ceramic material mainly made of alumina (Al2O3), and the forming process of the alumina ceramic matrix material generally adopts an isostatic pressing process, and during actual operation, granulated ceramic powder is firstly added into a mold made of rubber, then the mold is sealed, and after the aluminum material is sealed by a plastic bag, the aluminum material is placed into isostatic pressing equipment for high-pressure pressing forming.

Current isostatic pressing ceramic forming equipment, often use for top-down's pressurization mode, extrude the part of below, make pressure medium pressurized, and then pressure increase, in order to realize the static pressure effect, only, after the shaping is accomplished, still need top-down to dismantle the part of exerting pressure, and demolish from the top sealing member in pressurization chamber, in order to open the top opening, take out the inside alumina ceramic ware of cavity, when whole in-process need consume a large amount of manpowers, actual efficiency is not high, moreover, this in-process, still need when the material surface wraps up the plastic bag, after taking out the product, still need dismantle plastics, whole process is comparatively loaded down with trivial details, be unfavorable for in-service use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a ceramic static pressure forming device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a ceramic static pressure forming device comprises a base, a hydraulic cylinder and a vertical frame, wherein the hydraulic cylinder is arranged at the top end of the base, the vertical frame is positioned outside the hydraulic cylinder and plays a supporting role, an opening is formed in the surface of the base, a threaded opening is formed in the surface of the bottom end of the hydraulic cylinder at the opening, a connecting cylinder is arranged on the surface of the threaded opening, a transmission gear is arranged at the bottom end of the connecting cylinder, a switch mechanism is arranged at the bottom end of the hydraulic cylinder on one side of the connecting cylinder and is matched with the transmission gear for use, the top end of the connecting cylinder extends into the hydraulic cylinder, a ceramic mold is arranged in the connecting cylinder in a limiting mode, a movable pressing plate is movably arranged at the top end of the ceramic mold, a pressure film is arranged in the hydraulic cylinder above the movable pressing plate, a driven gear is arranged at the top end of the vertical frame, a screw hole is formed in the driven gear, and a power rod is movably arranged in the screw hole, the power rod downwardly extending to the top of the hydraulic cylinder, the pressing plate is installed on the top end of the inner wall of the hydraulic cylinder in a limiting mode, the tail end of the power rod is movably connected with the top of the pressing plate, the power mechanism is installed on the top end of the vertical frame on one side of the driven gear, the pressure supply box is installed on the surface of one side of the vertical frame, and the control box is installed on the surface of the pressure supply box.

Preferably, the switching mechanism comprises a spiral roller body and a switching motor, the spiral roller body is installed at the bottom end of the hydraulic cylinder on one side of the connecting cylinder through a rotating shaft, the switching motor is installed inside the base, and the output end of the switching motor is connected with the input end of the spiral roller body.

Preferably, the spiral roller body is meshed with the transmission gear, and a guiding telescopic column is movably mounted at the gap between the bottom end of the transmission gear and the inner wall of the base.

Preferably, the power mechanism comprises a pressure motor and a driving gear, the driving gear is mounted at the top end of the vertical frame on one side of the driven gear through a rotating shaft, and the pressure motor is mounted at the top end of an input shaft of the driving gear through a support.

Preferably, a water tank is installed inside the pressure supply tank, a buffer housing is installed at the top end of the water tank, a return pipe is installed on the surface of the buffer housing, and the return pipe extends into the hydraulic cylinder.

Preferably, a pressure pump is installed inside the water tank, a water inlet pipe is installed at the output end of the pressure pump, and the water inlet pipe extends into the hydraulic cylinder above the pressure membrane.

Preferably, a pressure gauge is installed on the surface of the return pipe, and electromagnetic valves are installed on the surface of the return pipe and the surface of the water inlet pipe on one side of the pressure gauge.

Preferably, a liquid supplementing pipe is installed on the surface of the pressure supply box, and the liquid supplementing pipe extends to the inside of the water tank.

Preferably, a sealing gasket is sleeved on the surface of the connecting cylinder.

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

1. the ceramic static pressure forming equipment can be in threaded connection with the bottom end of the hydraulic cylinder through the connecting cylinder, and meanwhile, a large space exists inside the connecting cylinder, so that the ceramic static pressure forming equipment can be used for limiting the assembly effect of a ceramic mold, the ceramic mold can be placed into the hydraulic cylinder for limiting when the connecting cylinder is installed, and the ceramic mold and even the formed alumina ceramic product can be taken out when the connecting cylinder is disassembled, and during actual use, the ceramic static pressure forming equipment is different from a side opening mode in the prior art and is different from the tedious manual work that a plurality of bolts need to be disassembled from the top end of the hydraulic cylinder in the prior art, the ceramic static pressure forming equipment is used by combining with a spiral roller body through a transmission gear, and when in actual use, the spiral roller body can be driven by a motor to rotate, and then the transmission gear and even the connecting cylinder are driven to rotate by means of gear tooth meshing, and the connecting cylinder is enabled to upwards move up and down along the inner wall of the opening at the bottom end of the hydraulic cylinder, satisfy the installation and the dismantlement demand to the connecting cylinder, need not to rely on the manpower to dismantle, when can using manpower sparingly, improve actual machining efficiency.

2. This pottery static pressure former, through driven gear, can be under pressure motor's the rotatory condition, with the help of gear engagement's mode, it is rotatory to drive driven gear by the driving gear to under driven gear rotatory condition, drive the power pole with the help of the screw thread and carry out the up-and-down motion, through the power pole, when can carrying out the up-and-down motion, drive and apply the clamp plate and carry out the up-and-down motion, exert required pressure to the inside of whole hydraulic cylinder, realize the pressurization effect, satisfy the pressure demand of static pressure shaping.

3. This pottery static pressure former, through the flexible post of guide, for flexible member, can carry out under the condition of up-and-down motion at drive gear, especially under the condition of loading and unloading, can carry out spacing guide to drive gear's motion with the help of the limit function of the flexible post of guide self, the stability of motion is improved, through buffering casing, for the great metal casing in space, actually can be under the condition of the inside pressure release of hydraulic cylinder or liquid level backward flow, in path passageway entering big inner diameter space, form quick pressure release effect, avoid the too big parts such as water tank of pressure to cause the damage.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a partially enlarged structural diagram of a portion a in fig. 2.

In the figure: 1. a spiral roller body; 2. a transmission gear; 3. a hydraulic cylinder; 4. erecting a frame; 5. a power rod; 6. a driven gear; 7. a pressure motor; 8. a driving gear; 9. a pressure gauge; 10. a liquid supplementing pipe; 11. a control box; 12. a pressure supply tank; 13. guiding the telescopic column; 14. a base; 15. switching the motor; 16. a pressure membrane; 17. pressing a plate; 18. a return pipe; 19. a buffer housing; 20. a water tank; 21. a water inlet pipe; 22. a pressure pump; 23. a connecting cylinder; 24. a movable pressing plate; 25. a ceramic mold; 26. a threaded opening; 27. a gasket is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, the ceramic static pressure forming apparatus of this embodiment includes a base 14, a hydraulic cylinder 3 installed on the top of the base 14, and a vertical frame 4 located outside the hydraulic cylinder 3 for supporting, wherein substantially the entire hydraulic cylinder 3 is located inside the vertical frame 4, the surface of the base 14 is provided with an opening, the surface area of the opening is large, and is substantially an operation space, the surface of the bottom end of the hydraulic cylinder 3 at the opening is provided with a threaded opening 26, the threaded opening 26 is vertically communicated and can extend into the hydraulic cylinder 3, the surface of the threaded opening 26 is provided with a connecting cylinder 23, the outer surface of the connecting cylinder 23 is connected with the threaded opening 26 through a thread, when in actual use, the connecting cylinder 23 rotates and moves up and down along the threaded opening 26, the bottom end of the connecting cylinder 23 is provided with a transmission gear 2, the bottom end of the hydraulic cylinder 3 on one side of the connecting cylinder 23 is provided with a switch mechanism, the switch mechanism is used in cooperation with the transmission gear 2, the transmission gear 2 and even the whole connecting cylinder 23 are driven to be operated, a threaded opening 26 is further opened or closed, the top end of the connecting cylinder 23 extends into the hydraulic cylinder 3, a ceramic mold 25 is arranged in the connecting cylinder 23 in a limiting manner, the alumina ceramic mold 25 which needs to be formed by pressing and pressing is limited by the inner wall of the connecting cylinder 23, a movable pressing plate 24 is movably arranged at the top end of the ceramic mold 25, the movable pressing plate 24 is actually a movable upper template and can move downwards under pressure to extrude the inner core of the ceramic mold 25 and even the alumina material below, a pressure film 16 is arranged in the hydraulic cylinder 3 above the movable pressing plate 24 to replace a packaging film wrapped on the surface of the alumina material in the prior art, the pressure film 16 can extrude the movable pressing plate 24 downwards under pressure, a driven gear 6 is arranged at the top end of the stand 4 by means of a bearing, a screw hole is arranged in the driven gear 6 and is downwards communicated with the top end surface of the stand 4, and a power rod 5 is movably arranged in the screw hole, the surface thread of the power rod 5 is matched with the screw hole thread for use, so that the power rod 5 can move up and down when stressed to rotate, the power rod 5 extends downwards to the top of the hydraulic cylinder 3, a pressure applying plate 17 is arranged at the top end of the inner wall of the hydraulic cylinder 3 in a limiting way, the tail end of the power rod 5 is movably connected with the top of the pressure applying plate 17 through a shaft sleeve type component, when the power rod 5 moves up and down, the pressure applying plate 17 can be driven to move up and down, the pressure applying plate 17 does not rotate, when the hydraulic cylinder is actually used, the sealing performance between the pressure applying plate 17 and the inner wall of the hydraulic cylinder 3 needs to be ensured, a power mechanism is arranged at the top end of the vertical frame 4 at one side of the driven gear 6, the power mechanism drives the driven gear 6 to rotate, a pressure supply box 12 is arranged on the surface at one side of the vertical frame 4 to provide required pressure medium for the hydraulic cylinder 3, and can realize the inside step-down effect of hydraulic cylinder 3, and supply the surface mounting of pressure case 12 to have control box 11, control box 11 internally mounted has control circuit to be equipped with a plurality of switch parts, can carry out on-off control to all power consumption subassemblies of whole equipment, realize the electrical control operation.

Specifically, the on-off mechanism includes spiral roll body 1 and switch motor 15, spiral roll body 1 installs the 3 bottoms of hydraulic cylinder on one side of connecting cylinder 23 through the pivot, spiral roll body 1's volume is great, the top is with the help of bearing and 3 surface connections of hydraulic cylinder, the surface is provided with the screw thread of specific turning to and pitch, switch motor 15 installs the inside at base 14, and switch motor 15's output and spiral roll body 1 input are connected, this switch motor 15's model can be selected to Y90S-2 motor, switch motor 15 accessible wire is connected with control box 11, and be equipped with the circuit that just reverses, can open and carry out the operation that just reverses after the circular telegram, and then drive whole spiral roll body 1 and carry out the motion that reverses.

Further, the spiral roller body 1 is meshed with the transmission gear 2, and under the condition that the actual spiral roller body 1 rotates, the transmission gear 2 can be driven to rotate, so that the whole transmission gear 2 always moves up and down, when the switching motor 15 rotates forwards, the spiral roller body 1 can be driven to rotate forwards, the transmission gear 2 is driven to rotate forwards, the whole connecting cylinder 23 moves upwards along the threaded opening 26, the material loading effect is realized, when unloading is needed, only the switching motor 15 needs to rotate backwards, the whole connecting cylinder 23 moves downwards, even the connecting cylinder 23 is separated from the threaded opening 26, the ceramic mold 25 in the connecting cylinder 23 is taken out manually, the guiding telescopic column 13 is movably installed at the gap between the bottom end of the transmission gear 2 and the inner wall of the base 14 through a bearing part, the guiding telescopic column 13 is formed by combining a sleeve rod and an inner telescopic rod, and has the function of limiting and stretching, the motion of the transmission gear 2 can be limited and guided by means of the limiting function of the guiding telescopic column 13 under the condition that the transmission gear 2 moves up and down, particularly under the condition of loading and unloading, so that the motion stability is improved.

Further, power unit includes press motor 7 and driving gear 8, 4 tops of grudging post on one side of driven gear 6 are installed through the pivot to driving gear 8, self atress is rotatory, press motor 7 passes through the support mounting on the input shaft top of driving gear 8, press motor 7's structural performance is similar with switch motor 15, all need rely on outside positive and negative circuit to realize the operation of just reversing, and then transfer driven gear 6 and carry out the rotation of just reversing, and drive power pole 5 and carry out the up-and-down motion, realize the effect of pressurization downwards and upwards pressure release.

Further, the internally mounted of pressure supply case 12 has water tank 20, a circulation medium that is used for the storage to produce the isostatic pressure needs, like the water, buffer housing 19 is installed on the top of water tank 20, interior surface space is great, buffer housing 19's surface mounting has back flow 18, back flow 18 extends to inside the hydraulic cylinder 3, back flow 18 highly great, can be in the needs quick pressure release or make the medium flow back to under the condition of water tank 20, open and make high-pressure medium get into the back through back flow 18, when getting into buffer housing 19 inside, because buffer housing 19 inner space is crescent suddenly relatively, realize the effect that the pressure release was cushioned from this.

Further, the inside of water tank 20 installs force (forcing) pump 22, can select the great immersible pump of lift, pressurizes the inside medium of water tank 20, and inlet tube 21 is installed to force (forcing) pump 22's output, and inlet tube 21 extends to inside the hydraulic cylinder 3 above pressure membrane 16, for the inside required pressure liquid that provides of hydraulic cylinder 3.

Further, the surface mounting of back flow pipe 18 has pressure meter 9, can select the manometer that compressive property is good to act as pressure meter 9 and use, actually detect the pipeline internal pressure on back flow pipe 18, can just can indirectly learn hydraulic cylinder 3 internal pressure under the condition of opening back flow pipe 18, and the solenoid valve is all installed on the back flow pipe 18 surface and the inlet tube 21 surface of pressure meter 9 one side, can realize the on-off control operation to back flow pipe 18 and even inlet tube 21, and the solenoid valve need select the explosion-proof valve that physical property is good for use.

Further, a fluid replenishing pipe 10 is installed on the surface of the pressure supply tank 12, and the fluid replenishing pipe 10 extends into the water tank 20, and a valve on the fluid replenishing pipe can be opened to form a passage, so that an external medium can enter the pressure supply tank 12 to replenish a required hydraulic medium.

Furthermore, a sealing washer 27 is sleeved on the surface of the connecting cylinder 23, the sealing washer 27 is an elastic rubber ring, and can be deformed under pressure under the condition that the connecting cylinder 23 is connected with the threaded opening 26, and the sealing washer is filled in the gap, so that the sealing effect of the tail end connection part is realized.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a pottery static pressure former, includes base (14) and installs hydraulic cylinder (3) on base (14) top and be in hydraulic cylinder (3) outside and play grudging post (4) of supporting role, its characterized in that: the surface of base (14) is provided with the opening, and the hydraulic cylinder (3) bottom surface mounting of opening part is provided with screw thread mouth (26), the surface mounting of screw thread mouth (26) has connecting cylinder (23), drive gear (2) are installed to the bottom of connecting cylinder (23), on-off mechanism is installed to the hydraulic cylinder (3) bottom of connecting cylinder (23) one side, on-off mechanism uses with drive gear (2) cooperation, the top of connecting cylinder (23) extends to inside hydraulic cylinder (3), and the inside spacing of connecting cylinder (23) installs ceramic mould (25), the top movable mounting of ceramic mould (25) has movable press plate (24), hydraulic cylinder (3) internally mounted above movable press plate (24) has pressure membrane (16), driven gear (6) are installed on the top of grudging post (4), the inside of driven gear (6) is provided with the screw, and movable mounting has power rod (5) in the screw, and power rod (5) downwardly extending to hydraulic cylinder (3) top, the spacing pressure plate (17) of executing of installing in the inner wall top of hydraulic cylinder (3), and the end of power rod (5) with execute pressure plate (17) top swing joint, power unit is installed on grudging post (4) top of driven gear (6) one side, one side surface mounting of grudging post (4) has pressure supply case (12), and the surface mounting who just supplies pressure case (12) has control box (11).

2. A ceramic hydroforming apparatus according to claim 1, wherein: the switching mechanism comprises a spiral roller body (1) and a switching motor (15), the spiral roller body (1) is installed at the bottom end of the hydraulic cylinder (3) on one side of the connecting cylinder (23) through a rotating shaft, the switching motor (15) is installed inside the base (14), and the output end of the switching motor (15) is connected with the input end of the spiral roller body (1).

3. A ceramic hydroforming tool according to claim 2, wherein: the spiral roller body (1) is meshed with the transmission gear (2), and a guiding telescopic column (13) is movably mounted at the gap between the bottom end of the transmission gear (2) and the inner wall of the base (14).

4. A ceramic hydroforming apparatus according to claim 1, wherein: the power mechanism comprises a pressure motor (7) and a driving gear (8), the driving gear (8) is installed at the top end of the vertical frame (4) on one side of the driven gear (6) through a rotating shaft, and the pressure motor (7) is installed at the top end of an input shaft of the driving gear (8) through a support.

5. A ceramic hydroforming apparatus according to claim 1, wherein: the hydraulic cylinder is characterized in that a water tank (20) is arranged inside the pressure supply tank (12), a buffer shell (19) is arranged at the top end of the water tank (20), a return pipe (18) is arranged on the surface of the buffer shell (19), and the return pipe (18) extends to the inside of the hydraulic cylinder (3).

6. A ceramic hydroforming tool according to claim 5, characterized in that: the inside mounting of water tank (20) has force (forcing) pump (22), and inlet tube (21) are installed to the output of force (forcing) pump (22), and inlet tube (21) extend to inside hydraulic cylinder (3) above pressure membrane (16).

7. A ceramic hydroforming tool according to claim 5, characterized in that: the surface of the return pipe (18) is provided with a pressure gauge (9), and the surface of the return pipe (18) at one side of the pressure gauge (9) and the surface of the water inlet pipe (21) are provided with electromagnetic valves.

8. A ceramic hydroforming tool according to claim 5, characterized in that: the surface mounting of pressure supply case (12) has moisturizing pipe (10), and inside moisturizing pipe (10) extended to water tank (20).

9. A ceramic hydroforming apparatus according to claim 1, wherein: and a sealing gasket (27) is sleeved on the surface of the connecting cylinder (23).

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