CN110039636B

CN110039636B - Pressure device

Info

Publication number: CN110039636B
Application number: CN201910461282.8A
Authority: CN
Inventors: 廖玉琴; 张本玲; 李姝�; 冯正杰
Original assignee: Anhui Zhi Hui And Patent Technology Development Co Ltd
Current assignee: Anhui zhihuihe Technology Service Co., Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-02-07
Anticipated expiration: 2039-05-30
Also published as: CN110039636A

Abstract

The invention belongs to the technical field of ceramic production and processing, and particularly relates to a pressurizing device which comprises a mold and a pressurizing container, wherein the mold is provided with a cavity formed by enclosing an elastic material, an extrusion medium is contained in the pressurizing container, and the inner cavity of the pressurizing container is communicated with a pressurizing pipeline; the pressurizing container comprises a container body with an opening at the upper end and a gland detachably and hermetically connected with the upper end of the container body, and the gland is arranged in a reciprocating manner along the vertical direction; the mould is detachably arranged on the lifting device, and the lifting device can drive the mould to reciprocate on the upper side and the lower side of the opening of the pressurizing container. The isostatic compaction device provided by the invention realizes the full-automatic operation of the isostatic compaction process, saves manpower, further improves the production efficiency and reduces the production cost.

Description

Pressure device

Technical Field

The invention belongs to the technical field of ceramic production and processing, and particularly relates to a pressurizing device.

Background

The isostatic pressing treatment is to place the processed object in a sealed container filled with liquid and to pressurize gradually by means of pressurizing system to apply equal pressure to the surfaces of the object, so as to reduce the intermolecular distance and increase the density without changing the appearance and shape of the object, thereby improving the physical properties of the material. At present, the isostatic pressing technology is widely applied to the field of ceramic processing, different from the traditional ceramic processing technology, the isostatic pressing ceramic processing technology adopts dry powder as a processing raw material generally, and the ceramic dry powder can be well bonded into a whole after being extruded through processes such as ball milling, granulation and the like in the early stage. In the isostatic pressing process, the quality of the mold directly affects the quality of the formed workpiece, however, for some articles with special structures, the mold design in the prior art has many defects, for example, when the article with obvious waisted structure shown in fig. 1 is subjected to isostatic pressing, the mold is generally symmetrically set into a two-half structure for facilitating demolding, and the mold closing and opening process of the two-half structure is complicated, and on the other hand, obvious texts are left on the surface of the article to affect the appearance quality, and in addition, the isostatic pressing mold is generally made of an elastic material, and the two-half mold is not beneficial to shape maintenance during filling. The isostatic compaction device in the prior art generally adopts the operation mode of manual mold placing and mold taking, and the processing efficiency is low.

Disclosure of Invention

The invention aims to provide a pressurizing device capable of effectively improving the isostatic pressing efficiency of ceramics.

In order to achieve the purpose, the invention provides the following technical scheme:

a pressurizing device comprises a mold and a pressurizing container, wherein the mold is provided with a cavity which is formed by enclosing of elastic materials, an extrusion medium is contained in the pressurizing container, and an inner cavity of the pressurizing container is communicated with a pressurizing pipeline; the pressurizing container comprises a container body with an opening at the upper end and a gland detachably and hermetically connected with the upper end of the container body, and the gland is arranged in a reciprocating manner along the vertical direction; the mould is detachably arranged on the lifting device, and the lifting device can drive the mould to reciprocate on the upper side and the lower side of the opening of the pressurizing container.

The lifting device comprises a lifting platform, a guide pillar is arranged at the bottom of the lifting platform, a mounting plate is arranged in the container body, a guide sleeve is arranged on the mounting plate, the guide pillar and the guide sleeve form sliding fit, a first pressure spring is sleeved on the guide pillar, and two ends of the first pressure spring are respectively abutted to the bottom surface of the lifting platform and the top surface of the mounting plate.

The gland is installed on the piston rod of a vertical pneumatic cylinder, the lower extreme of gland is equipped with the annular pressure head corresponding with mould up end edge, annular pressure head is through the spliced pole and the gland bottom surface rigid coupling that set up along annular pressure head circumference interval.

The upper end of the lifting platform is provided with a groove with the shape consistent with that of the bottom surface of the mold, a cavity is formed in the lifting platform, an ejector rod which reciprocates along the vertical direction is arranged on the bottom surface of the groove, the ejector rod penetrates into the cavity and is fixedly connected with a push plate arranged in the cavity, a second pressure spring is arranged between the push plate and the top surface of the cavity, a wedge-shaped block is arranged at the bottom of the push plate, and the bottom surface of the wedge-shaped block is abutted to the bottom surface of the cavity; be equipped with the jack on the lateral wall of elevating platform, the elevating platform side is equipped with wedge drive inserted block with jack corresponding position department, wedge drive inserted block sets up and can promote when wedge drive inserted block inserts elevating platform inside along horizontal direction reciprocating motion the wedge shifts up.

The die comprises an annular die sleeve made of elastic materials, and a top plate and a bottom plate which are respectively positioned at the upper end and the lower end of the annular die sleeve, wherein the annular die sleeve, the top plate and the bottom plate jointly enclose a cavity for containing ceramic powder and a blank; the annular die sleeve is provided with a waist-shaped structure, the ring surface of the die sleeve corresponding to the waist-shaped structure is equally divided into at least two independent arc surfaces along the circumferential direction, adjacent arc surfaces are connected into a whole through a rib plate, the rib plate is of a hinge-shaped structure, two pages of the rib plate are respectively connected with adjacent edges of the adjacent two arc surfaces into a whole, and the hinge protrudes and stretches out of the outer ring surface of the annular die sleeve.

The container is characterized in that a strip groove is formed in the side wall of the bottom plate along the horizontal direction, an opening and closing type rail is arranged above the opening of the container body and comprises two rail plates which are arranged at intervals in parallel, the two rail plates are arranged in a reciprocating opening and closing mode along the horizontal direction, and the rail plates are parallel and level with the strip groove formed in the side wall of the bottom plate.

The two sides of the groove corresponding to the two track plates are provided with limiting blocks which protrude upwards, the limiting blocks are connected with the two sides of the bottom plate in a blocking mode, and the top surfaces of the limiting blocks are lower than the height of the strip grooves.

The two track plates are respectively and fixedly connected with piston rods of two cylinders which are arranged oppositely along the horizontal direction, and the wedge-shaped driving insertion block is also fixedly connected with the piston rod of the cylinder through a connecting block.

And a slope surface is arranged on one side, close to the mold, of the top surface of the track plate.

The edge of container body and gland is equipped with the tang of mutually supporting, be equipped with the sealing strip on the terminal surface of tang.

The invention has the technical effects that: the isostatic compaction device provided by the invention realizes the full-automatic operation of the isostatic compaction process, saves manpower, further improves the production efficiency and reduces the production cost.

Drawings

FIG. 1 is a ceramic body with a waisted structure;

FIG. 2 is a perspective view of a ceramic isostatic pressing system provided by an embodiment of the present invention;

FIG. 3 is a perspective view of a ceramic isostatic pressing mold according to an embodiment of the present invention;

FIG. 4 is an exploded view of a ceramic isostatic press mold provided by an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a ceramic isostatic pressing mold according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view A-A of FIG. 5;

FIG. 7 is an enlarged view of section I of FIG. 6;

FIG. 8 is a perspective view of a mold loading apparatus provided in accordance with an embodiment of the present invention;

fig. 9 is a perspective view of a track plate and a wedge-shaped driving insert according to an embodiment of the present invention;

FIG. 10 is a perspective view of a compression device provided by an embodiment of the present invention;

FIG. 11 is a cross-sectional view of a compression device provided by an embodiment of the present invention;

FIG. 12 is an enlarged view of section II of FIG. 11;

figure 13 is a perspective view of a gland provided by embodiments of the present invention;

fig. 14 is a schematic perspective cut-away view of a pressurized container provided by an embodiment of the present invention.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.

As shown in fig. 2, a ceramic isostatic pressing system comprises a mold 10, a pressurizing device 30 and a mold feeding device 20; as shown in fig. 3, the mold 10 includes an annular mold sleeve 11 made of an elastic material, and a top plate and a bottom plate 13 respectively located at the upper end and the lower end of the annular mold sleeve 11, and the annular mold sleeve 11, the top plate and the bottom plate 13 together enclose a cavity for accommodating ceramic powder and a green body; the annular die sleeve 11 is provided with a waist-shaped structure, the ring surface of the die sleeve corresponding to the waist-shaped structure is equally divided into at least two independent arc surfaces along the circumferential direction, the adjacent arc surfaces are connected into a whole through a rib plate 111, the rib plate 111 is of a hinge-shaped structure, two pages of the rib plate 111 are respectively connected with the adjacent edges of the adjacent two arc surfaces into a whole, and the hinge protrudes out of the outer ring surface of the annular die sleeve 11; the pressurizing device 30 comprises a pressurizing container, wherein the pressurizing container contains an extrusion medium, and the inner cavity of the pressurizing container is communicated with a pressurizing pipeline 311; the pressurizing container comprises a container body 31 with an open upper end and a gland 32 detachably and hermetically connected with the upper end of the container body 31, and the gland 32 is arranged in a reciprocating mode along the vertical direction; a lifting device is arranged in the pressurizing container, the die 10 is detachably arranged on the lifting device, and the lifting device can drive the die 10 to reciprocate on the upper side and the lower side of the opening of the pressurizing container; the mold feeding device 20 comprises a feeding unit, a distributing and transferring unit and a pushing unit; the feeding unit is used for conveying the molds 10 to the distributing and transferring unit, the distributing and transferring unit is used for transferring the molds 10 to the pushing unit one by one, and the pushing unit is used for pushing the molds 10 to the position above a pressurizing container of the isostatic pressing device. The invention adopts the integrated die 10 to carry out isostatic pressing on the waist-shaped ceramic blank, thereby not only simplifying the demoulding process and improving the production efficiency, but also improving the integral forming quality of the blank and facilitating the subsequent processing; the die feeding device 20 and the pressurizing device 30 provided by the invention realize the full-automatic operation of the isostatic pressing process, save manpower, further improve the production efficiency and reduce the production cost.

Preferably, as shown in fig. 3, 4, 5, 6, and 7, the rib 111 is made of an elastic material, the rib 111 and the annular mold 11 are integrally injection-molded, and the two faces of the ribs 111 and the arc faces are in a closed state at a static state.

Preferably, as shown in fig. 1, the green body processed in this embodiment is a ceramic wine glass, so a mold core 14 spaced from the annular mold sleeve 11 is further disposed in the annular mold sleeve 11, and the mold core 14 is fixedly connected to the top plate and/or the bottom plate 13.

Further, the bottom plate 13 is made of a rigid material, the bottom plate 13 is provided with a first boss 131, the first boss 131 protrudes into the annular mold sleeve 11, and an outer annular surface of the first boss 131 is tightly attached to an inner annular surface of the annular mold sleeve 11, so that powder can be prevented from entering a bonding gap between the annular mold sleeve 11 and the bottom plate 13, and burrs are prevented from being generated on the edge of a blank.

Preferably, the lower end of the annular die sleeve 11 is provided with a first flange 112 protruding and extending towards the outer side of the annular surface, the lower end of the first flange 112 is attached to the end surface of the bottom plate 13, the upper end of the first flange 112 is provided with a first annular pressure plate 15, the first annular pressure plate 15 is made of rigid materials, and the first annular pressure plate 15 is fixedly connected with the bottom plate 13 through bolts or rivets. The first annular pressing plate 15 is matched with the first flange 112, so that the lower end of the annular die sleeve 11 can be reliably fixed on the bottom plate 13, and the phenomena of deformation, tearing and the like of the lower end connecting structure after the annular die sleeve 11 is pressed are prevented.

Preferably, the top plate comprises an elastic panel 12 and a rigid support plate 121, a second boss is arranged at the bottom of the elastic panel 12, the second boss protrudes into the annular mold sleeve 11, and the outer annular surface of the second boss is tightly attached to the inner annular surface of the annular mold sleeve 11; the rigid support plate 121 is located on the upper side of the elastic panel 12 and is connected with the elastic panel 12 in an adhesive manner, and the rigid support plate 121 is arranged corresponding to the central hole of the annular die sleeve 11. The rigid support plate 121 can ensure that the top surface of the blank keeps flat after being pressed, so that the phenomenon of pits or bulges is avoided, and the forming quality of the top surface of the blank is improved; the second boss is closely matched with the annular die sleeve 11, so that burrs can be prevented from appearing on the edge of the upper end of the blank.

Further, the upper end of the annular die sleeve 11 is provided with a second flange 113 protruding and extending towards the outer side of the annular surface, the upper end of the second flange 113 is attached to the lower end edge of the elastic panel 12, the lower end of the second flange 113 is provided with a second annular pressing plate 16, the upper end of the elastic panel 12 is provided with a third annular pressing plate 17 corresponding to the second annular pressing plate 16, and the second annular pressing plate 16 and the third annular pressing plate 17 are both made of rigid materials. The second annular pressure plate 16 is fixedly connected with the bottom plate 13 through a vertical column 18. The second annular pressing plate 16 and the third annular pressing plate 17 can prevent the upper end connecting structure from deforming, tearing and the like after the mold 10 is pressed; the second annular pressure plate 16 is fixed to the bottom plate 13 to provide effective support for the upper end of the annular die sleeve 11, so as to prevent the annular die sleeve 11 from collapsing downward when the die 10 is pressed.

And a first crack stop groove 115 is arranged at the corner where the rib plate 111 is connected with the cambered surface and the corner where the two pages of the rib plate 111 are connected. The inner side edge of the upper end of the annular die sleeve 11 is provided with a chamfer 114, and the corner of the annular die sleeve 11 connected with the second flange 113 is provided with a second crack-stopping groove 116. The first crack stop groove 115 and the second crack stop groove 116 can improve the fatigue resistance of the annular die sleeve 11 during deformation, avoid tearing of the die 10, increase the contact area between the extrusion medium and the annular die sleeve 11, and improve the molding quality.

Preferably, as shown in fig. 10, 11, 12, 13, and 14, the lifting device includes a lifting table 33, a guide post 314 is disposed at the bottom of the lifting table 33, a mounting plate 313 is disposed in the container body 31, a guide sleeve is disposed on the mounting plate 313, the guide post 314 and the guide sleeve form a sliding fit, a first compression spring 315 is sleeved on the guide post 314, and two ends of the first compression spring 315 are respectively abutted to the bottom surface of the lifting table 33 and the top surface of the mounting plate 313. When the mold 10 is placed on the lifting table 33, the pressing cover 32 is pressed downwards to drive the mold 10 and the lifting table 33 to move downwards, so that the mold 10 is immersed in an extrusion medium, meanwhile, a certain pressure is kept between the pressing cover 32 and the lifting table 33 to tightly press the top plate of the mold 10 and the annular mold sleeve 11, a connecting piece is not required to be arranged between the top plate of the mold 10 and the annular mold sleeve 11, the demolding steps are further simplified, and the production efficiency is improved.

Preferably, the gland 32 is installed on a piston rod of a vertical hydraulic cylinder 321, an annular pressure head 322 corresponding to the edge of the upper end face of the die 10 is arranged at the lower end of the gland 32, and the annular pressure head 322 is fixedly connected with the bottom face of the gland 32 through connecting columns 323 arranged at intervals along the circumferential direction of the annular pressure head 322. The annular pressure head 322 can ensure that the stress between the top plate of the die 10 and the annular die sleeve 11 is uniform, and the hollow areas between the connecting columns 323 can ensure that the extrusion medium smoothly enters the top area of the die 10, so that the top pressure of the die 10 is consistent with the circumferential pressure.

Preferably, a groove 331 with a shape consistent with that of the bottom surface of the mold 10 is formed in the upper end of the lifting table 33, a cavity is formed in the lifting table 33, a push rod 332 reciprocating in the vertical direction is arranged on the bottom surface of the groove 331, the push rod 332 penetrates into the cavity and is fixedly connected with a push plate 336 arranged in the cavity, a second pressure spring 335 is arranged between the push plate 336 and the top surface of the cavity, a wedge-shaped block 337 is arranged at the bottom of the push plate 336, and the bottom surface of the wedge-shaped block 337 is abutted to the bottom surface of the cavity; be equipped with jack 334 on the lateral wall of elevating platform 33, elevating platform 33 side and jack 334 correspond position department and are equipped with wedge drive inserted block 35, wedge drive inserted block 35 sets up and can promote when wedge drive inserted block 35 inserts elevating platform 33 inside along horizontal direction reciprocating motion wedge 337 shifts up. The grooves 331 can ensure that the mold 10 is stably matched with the lifting platform 33, and the ejector rods 332 can drive the mold 10 to be separated from the grooves 331 during demolding, so that the mold 10 can be conveniently moved out of the lifting platform 33.

Further, be provided with a groove 132 along the horizontal direction on the lateral wall of bottom plate 13, container body 31's opening top is equipped with open-close type track, open-close type track includes the track board 34 that two parallel intervals set up, two track boards 34 set up along the reciprocal opening and shutting of horizontal direction, track board 34 with a groove 132 parallel and level seted up on the bottom plate 13 lateral wall. The two sides of the groove 331 corresponding to the two track plates 34 are provided with limit blocks 333 which protrude upwards, the limit blocks 333 are connected with the two sides of the bottom plate 13 in a blocking manner, and the top surfaces of the limit blocks 333 are lower than the height of the strip grooves 132. The two track plates 34 are respectively fixedly connected with piston rods of two air cylinders 341 which are arranged oppositely along the horizontal direction, and the wedge-shaped driving insertion block 35 is fixedly connected with the piston rod of the air cylinder 341 through a connecting block. A slope 342 is provided on the top surface of the track plate 34 near the mold 10. During feeding, the two track plates 34 are closed, the mold 10 slides to the upper part of the lifting table 33 along the track plates 34, then the two track plates 34 are separated, at this time, the mold 10 is retained above the groove 331 of the lifting table 33 under the blocking of the limiting block 333, and the ejector rod 332 descends along with the withdrawing of the wedge-shaped driving insert 35, so that the mold 10 falls into the groove 331, and the automatic feeding of the mold 10 is realized. During blanking, the two track plates 34 are folded again, the wedge-shaped driving insert 35 firstly drives the ejector rod 332 to move upwards to eject the mold 10 from the groove 331, then the track plates 34 are inserted into the strip grooves 132 to support the mold 10, and the mold 10 moves out along the track plates 34, so that automatic blanking of the mold 10 is realized.

Preferably, the container body 31 and the gland 32 are provided with stop ports 324 and 312 at edges thereof, and sealing strips are provided on end faces of the stop ports 324 and 312 to ensure reliable sealing of the pressurized container and prevent leakage of the extruding medium.

Further, as shown in fig. 3, 4 and 5, two parallel straight walls 133 are further provided on two sides of the bottom plate 13 of the mold 10. As shown in fig. 8, the feeding unit comprises a conveyor belt 21, the conveyor belt 21 is provided with two parallel blocking walls 211 at two sides, and the distance between the two blocking walls 211 matches with the distance between the two straight walls 133, so that the mold 10 can be conveyed on the conveyor belt 21 only in a specific direction, i.e. in a direction parallel to the straight walls 133.

The material separating and transferring unit comprises a rotating disc 22 which is arranged in a rotating mode, a plurality of U-shaped grooves 221 are uniformly arranged on the edge of the top surface of the rotating disc 22 at intervals along the circumferential direction, the diameter of the arc top of each U-shaped groove 221 is matched with the diameter of the bottom plate 13 of the mold 10, the width of each U-shaped groove 221 is matched with the distance between the two straight walls 133, and the depth of each U-shaped groove 221 is equal to the diameter of the bottom plate 13 of the mold 10; the edge of carousel 22 still is fixed to be provided with the round and encloses fender 222, enclose the top surface parallel and level of fender 222 with carousel 22, enclose fender 222 and be equipped with two openings in week, one of them opening with the discharge end of conveyer belt 21 meets, another opening with the propelling movement direction of propelling movement unit aligns. The pushing unit comprises a horizontally arranged pushing cylinder 23, a pushing head 231 is arranged at the top end of a piston rod of the pushing cylinder 23, and an arc-shaped groove matched with the peripheral surface profile of the bottom plate 13 of the die 10 is formed in the end part of the pushing head 231; the retaining wall 211 is fixedly connected with the enclosure 222. When feeding, a plurality of molds 10 are arranged on the conveyor belt 21 in sequence as shown in fig. 2, when one of the U-shaped grooves 221 on the turntable 22 is aligned with the conveyor belt 21, the mold 10 at the front end of the conveyor belt 21 is pushed into the U-shaped groove 221, the mold 10 moves to the front of the pushing unit along with the rotation of the turntable 22 and aligns with the opening and closing type rail, the pushing unit pushes the mold 10 to the opening and closing type rail and continues to push to the upper side of the lifting table 33 along the opening and closing type rail, the pushing unit withdraws, the opening and closing type guide rails separate, the mold 10 falls into the groove 331 of the lifting table 33, so that the molds 10 are automatically fed one by one, when discharging, the pushing unit pushes out again before the turntable 22 rotates, and the pushing distance is increased, so that the mold 10 is pushed away from the upper side of the lifting table 33, and the mold.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. A compression device characterized by: the extrusion die comprises a die (10) and a pressurizing container, wherein the die (10) is provided with a cavity formed by enclosing an elastic material, an extrusion medium is contained in the pressurizing container, and the inner cavity of the pressurizing container is communicated with a pressurizing pipeline (311); the pressurizing container comprises a container body (31) with an open upper end and a gland (32) detachably connected with the upper end of the container body (31) in a sealing manner, and the gland (32) is arranged in a reciprocating manner along the vertical direction; a lifting device is arranged in the pressurizing container, the die (10) is detachably arranged on the lifting device, and the lifting device can drive the die (10) to reciprocate on the upper side and the lower side of the opening of the pressurizing container; the lifting device comprises a lifting table (33), a groove (331) which is consistent with the bottom surface of the mold (10) in shape is formed in the upper end of the lifting table (33), a cavity is formed in the lifting table (33), an ejector rod (332) which reciprocates along the vertical direction is arranged on the bottom surface of the groove (331), the ejector rod (332) penetrates into the cavity and is fixedly connected with a push plate (336) arranged in the cavity, a second pressure spring (335) is arranged between the push plate (336) and the top surface of the cavity, a wedge block (337) is arranged at the bottom of the push plate (336), and the bottom surface of the wedge block (337) is abutted to the bottom surface of the cavity; be equipped with jack (334) on the lateral wall of elevating platform (33), elevating platform (33) side is equipped with wedge drive inserted block (35) with jack (334) corresponding position department, wedge drive inserted block (35) set up and can promote when wedge drive inserted block (35) insert elevating platform (33) inside along horizontal direction reciprocating motion wedge (337) shifts up.

2. The compression device of claim 1, wherein: the bottom of the lifting platform (33) is provided with a guide column (314), a mounting plate (313) is arranged in the container body (31), a guide sleeve is arranged on the mounting plate (313), the guide column (314) and the guide sleeve form sliding fit, a first pressure spring (315) is sleeved on the guide column (314), and two ends of the first pressure spring (315) are respectively abutted to the bottom surface of the lifting platform (33) and the top surface of the mounting plate (313).

3. The pressurization device according to claim 2, characterized in that: gland (32) are installed on the piston rod of a vertical pneumatic cylinder (321), the lower extreme of gland (32) is equipped with annular pressure head (322) corresponding with mould (10) up end edge, spliced pole (323) and gland (32) bottom surface rigid coupling that annular pressure head (322) set up through following annular pressure head (322) circumference interval.

4. The compression device of claim 1, wherein: the die (10) comprises an annular die sleeve (11) made of elastic materials, and a top plate and a bottom plate (13) which are respectively positioned at the upper end and the lower end of the annular die sleeve (11), wherein the annular die sleeve (11), the top plate and the bottom plate (13) jointly enclose a cavity for containing ceramic powder and a green body; the ring-shaped die sleeve (11) is provided with a waist-shaped structure, the ring surface of the die sleeve corresponding to the waist-shaped structure is equally divided into at least two independent arc surfaces along the circumferential direction, the adjacent arc surfaces are connected into a whole through a rib plate (111), the rib plate (111) is of a hinge-shaped structure, two pages of the rib plate (111) are respectively connected with the adjacent edges of the adjacent two arc surfaces into a whole, and the hinge protrudes and extends on the outer ring surface of the ring-shaped die sleeve (11).

5. The pressurization device according to claim 4, characterized in that: be provided with a groove (132) along the horizontal direction on the lateral wall of bottom plate (13), the opening top of vessel (31) is equipped with open-close type track, open-close type track includes track board (34) that two parallel intervals set up, two track boards (34) are along the reciprocal setting that opens and shuts of horizontal direction, track board (34) with a groove (132) parallel and level of seting up on bottom plate (13) lateral wall.

6. The pressurization device according to claim 5, characterized in that: the two sides of the groove (331) corresponding to the two track plates (34) are provided with limit blocks (333) which protrude upwards, the limit blocks (333) are connected with the two sides of the bottom plate (13) in a blocking mode, and the top surfaces of the limit blocks (333) are lower than the height of the strip grooves (132).

7. The compression device of claim 6, wherein: the two track plates (34) are respectively fixedly connected with piston rods of two air cylinders (341) which are oppositely arranged along the horizontal direction, and the wedge-shaped driving insertion block (35) is also fixedly connected with the piston rod of the air cylinder (341) through a connecting block.

8. The compression device of claim 7, wherein: a slope surface (342) is arranged on one side, close to the mold (10), of the top surface of the track plate (34).

9. A compression device as claimed in claim 3, wherein: the edge of the container body (31) and the edge of the gland (32) are provided with rabbets (324, 312) which are matched with each other, and sealing strips are arranged on the end surfaces of the rabbets (324, 312).