CN217343067U

CN217343067U - Water rises pre-compaction crowded material and glues seal mould

Info

Publication number: CN217343067U
Application number: CN202221082401.2U
Authority: CN
Inventors: 陈晓灿
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-09-02
Anticipated expiration: 2032-05-07

Abstract

The utility model relates to the field of mold sealing, in particular to a water expansion prepressing material extruding glue sealing mold, which comprises an upper mold plate and a lower mold plate matched with the upper mold plate, wherein the lower mold plate comprises a lower mold plate body, an annular block fixedly connected with the lower mold plate body and a bottom plate fixedly connected with the annular block, a heightening block is fixed inside the annular block, a workpiece sleeve post is fixed at the upper end of the heightening block, an O-shaped ring is fixed between the workpiece sleeve post and the heightening block, a slot of the workpiece sleeve post is arranged between the workpiece sleeve post and the inner walls of the annular block and the lower mold plate body, a water inlet pipeline is arranged on the workpiece sleeve post, the water expansion prepressing material-extruding glue sealing mould mainly aims at the expansion of a single-opening (barrel-shaped) workpiece, greatly improves the plasticity of the workpiece, meanwhile, the expansion ratio of the workpiece is increased, so that the expansion ratio in the water expansion process can reach more than 2.0 times and even higher, and the requirement on the dimensional precision of the machined workpiece can be met by the later-stage water expansion forming.

Description

Water rises pre-compaction crowded material and glues seal mould

Technical Field

The utility model relates to a seal the mould field, especially relate to a water rises crowded material of pre-compaction and glues seal mould.

Background

The most main sealing mode of the existing water expansion die is that a vertical machine is provided with a glue sealing soft seal and a spring expansion seal, the glue sealing soft seal is divided into an inner water sealing structure and an outer water sealing structure, the inner water sealing structure is used for sealing a workpiece by compressing and extruding a glue piece in the die during die assembly, high pressure water in the inner part does not leak outwards, so that the workpiece is stretched, thinned and attached to the die to achieve the purpose of expansion, the structure is pressed to a sealing effect by extruding a gap between the glue piece and the die of the workpiece, the fluidity of the workpiece is greatly limited, the expansion proportion is basically within 1.35 times, and the requirement on materials is high; the external water sealing structure mainly adopts a standard U-shaped ring of an oil cylinder to externally seal a workpiece, and has the main principle that the U-shaped ring is matched with a key component to seal water, the workpiece is not extruded, the limitation on the workpiece is much less compared with the internal sealing, and the expansion ratio is basically within 1.5-1.6 times; spring expansion seals are pressed into a watertight configuration, largely restricting the flow of workpiece material, primarily by compressing the gap between the workpiece and the die, much less than for soft seals.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model is not enough to prior art, the utility model aims to provide a water rises crowded material of pre-compaction and glues sealing die, the problem that prior art exists is solved, this water rises the crowded material of pre-compaction and glues sealing die mainly to the type that rises of single mouthful of type (cask type) work piece, be through to present vertical machine water mould and traditional stamping die structure's summary that rises, the brand-new structure that can furthest improve the type proportion that rises of single mouthful of type work piece has been designed, bulldoze the work piece through the tradition and carry out the plastic deformation structure and the fashioned hard seal structure that rises of water combines together with gluing the structure, the plasticity of work piece has been improved by a wide margin, the type proportion that rises of work piece has also been increased simultaneously, make the type proportion that rises of this water rise process can reach more than 2.0 times or even higher, the water in later stage rises the shaping simultaneously and can guarantee the size precision requirement after the work piece processing again.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a crowded material glue seal mould of water rises pre-compaction, including the cope match-plate pattern and with the cope match-plate pattern lower bolster, the lower bolster includes the lower bolster body, with lower bolster body fixed connection's annular piece and with annular piece fixed connection's bottom plate, the inside of annular piece is fixed with bed hedgehopping piece, the upper end of bed hedgehopping piece is fixed with the work piece bridging post, be fixed with O type circle between work piece bridging post and the bed hedgehopping piece, the slot of having seted up work piece bridging post between the inner wall of work piece bridging post and annular piece and lower bolster body, the work piece cup joints and is equipped with the inlet channel on the post.

Preferably, the upper end of the water inlet pipeline penetrates through the wall body of the workpiece connecting column, and the lower end of the water inlet pipeline sequentially penetrates through the workpiece connecting column, the heightening block and the bottom plate and is communicated with the outside.

Preferably, the water inlet pipeline comprises a main pipe communicated with the outside, the main pipe is fixed with three branch pipes close to the upper end, and the number of the branch pipes is three.

Preferably, the width of the slot is exactly equal to the thickness of the workpiece.

Preferably, the socket extends all the way to below the O-ring.

Preferably, a sealing ring is fixed between the bottom plate and the heightening block.

Preferably, the upper template comprises an upper template body and a top plate fixedly connected with the upper template body.

Preferably, the lower template body, the annular block and the bottom plate are fixedly connected through four bolts.

(III) advantageous effects

The utility model aims to provide a water rises crowded material of pre-compaction and glues seal mould, this water rises crowded material of pre-compaction and glues seal mould mainly to the type that rises of single mouthful of type (cask type) work piece, be through the summary to present vertical machine water rises mould and traditional stamping die structure, the brand-new structure that can furthest improve the type proportion that rises of single mouthful of type work piece has been designed, bulldoze through the tradition that the work piece carries out the plastic deformation structure and the fashioned hard seal structure that rises combines together with gluing the structure with water, the plasticity of work piece has been improved by a wide margin, the type proportion that rises of work piece has also been increased simultaneously, the type proportion that rises that makes this water rise process can reach more than 2.0 times even higher, the water in later stage rises the shaping simultaneously and can ensure the size precision requirement after the work piece processing again.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is a longitudinal sectional view of the present invention.

Fig. 3 is a longitudinal sectional view of the present invention with the upper plate removed.

Fig. 4 is a schematic view of the water inlet pipe of the present invention.

Fig. 5 is a schematic view of the upper plate of the present invention.

Fig. 6 is a schematic view of the bottom plate of the present invention.

In the figure: 1-upper template, 2-lower template, 3-lower template body, 4-annular block, 5-bottom plate, 6-heightening block, 7-workpiece connecting column, 8-O-shaped ring, 9-slot, 10-water inlet pipe, 11-main pipe, 12-branch pipe, 13-sealing ring, 14-upper template body, 15-top plate and 16-bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 6 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a technical scheme: a water expansion prepressing material extruding glue seal die comprises an upper die plate 1 and a lower die plate 2 matched with the upper die plate 1, wherein the lower die plate 2 comprises a lower die plate body 3, an annular block 4 fixedly connected with the lower die plate body 3 and a bottom plate 5 fixedly connected with the annular block 4, a heightening block 6 is fixed inside the annular block 4, a workpiece sleeve column 7 is fixed at the upper end of the heightening block 6, an O-shaped ring 8 is fixed between the workpiece sleeve column 7 and the heightening block 6, a slot 9 of the workpiece sleeve column 7 is arranged between the workpiece sleeve column 7 and the inner walls of the annular block 4 and the lower die plate body 3, a water inlet pipeline 10 is arranged on the workpiece sleeve column 7, when the workpiece needs to be expanded, a cylindrical workpiece is firstly sleeved on the workpiece sleeve column 7 and is downwards inserted into the slot 9 along the workpiece sleeve column 7 until the bottom surface of the workpiece contacts the bottom surface of the slot 9, and the slot 9 also plays a role in limiting and fixing on the workpiece, therefore, a sealing cavity is formed between the workpiece and the workpiece sleeve column 7 to play a role of hard sealing, then high-pressure water is injected into the water inlet pipeline 10 through a water expansion machine (the water expansion machine belongs to the prior art), further, the sealing cavity between the workpiece and the workpiece sleeve column 7 is filled with water, wherein the O-shaped ring 8 greatly improves the sealing performance of the sealing cavity between the workpiece and the workpiece sleeve column 7, then the upper template 1 runs downwards (the upper template 1 is connected with a hydraulic machine, and the upper template 1 runs downwards by the drive of the hydraulic machine) to press the workpiece downwards until the workpiece is attached to the lower template 2, wherein the height of the workpiece is higher than the height of the die cavity, so that the workpiece is extruded to a certain degree in the process that the upper template 1 is attached to the lower template 2 in a pressing mode, and the workpiece is subjected to a mode expansion process in the process, the water expansion machine has the advantages that the pre-deformation effect is achieved, the workpiece is deformed to be close to the die cavity, the soft sealing effect is achieved, then high-pressure water is injected into the water inlet pipeline 10 through the water expansion machine, the workpiece is made to be completely attached to the die cavity in a water expansion mode, the size required by the workpiece is achieved, the workpiece is pressed through the traditional method to be combined with the hard sealing structure and the glue sealing structure which are formed through plastic deformation and water expansion, the plasticity of the workpiece is greatly improved, the expansion proportion of the workpiece is increased, the expansion proportion of the water expansion process can be more than 2.0 times or even higher, and meanwhile, the size precision requirement of the machined workpiece can be guaranteed through the later-stage water expansion forming.

The upper end of the water inlet pipeline 10 penetrates through the wall body of the workpiece sleeve connecting column 7, and the lower end of the water inlet pipeline sequentially penetrates through the workpiece sleeve connecting column 7, the heightening block 6 and the bottom plate 5 and is communicated with the outside, so that the water expansion machine can conveniently inject high-pressure water into a sealed cavity formed between the workpiece and the workpiece sleeve connecting column 7 through the water inlet pipeline 10.

The water inlet pipeline 10 comprises a main pipe 11 communicated with the outside, the main pipe 11 is fixed with three branch pipes 12 near the upper end, the three branch pipes 12 are uniformly distributed near the upper end of the main pipe 11, so that on one hand, high-pressure water is conveniently injected into a sealing cavity formed between the workpiece and the workpiece sleeve-joint column 7, and meanwhile, water is conveniently and uniformly injected into the closed space.

The width of slot 9 just in time equals the thickness of work piece for make the work piece just in time inject the slot 9 in, can not appear not hard up phenomenon like this, play fine fixed action, also can set slot 9 and work piece to interference fit's mode, fixed like this and sealed effect is better.

The slot 9 extends to the below of O type circle 8 all the time, because O type circle 8 is elastic, so the work piece can be crowded the edge with O type circle 8 when O type circle 8, like this the work piece inserts the slot 9 back, and this O type circle 8 will play fine sealed effect to the work piece.

A sealing ring 13 is fixed between the bottom plate 5 and the heightening block 6, the sealing ring 13 well seals the bottom plate 5 and the heightening block 6, and high-pressure water is prevented from seeping out from a gap between the bottom plate 5 and the heightening block to influence the expansion effect.

The upper die plate 1 comprises an upper die plate body 14 and a top plate 15 fixedly connected with the upper die plate body 14, an upper die cavity is formed in the upper die plate 14 as required, a lower die cavity is formed in the lower die plate 2, and the upper die cavity and the lower die cavity are just combined into a whole complete die cavity.

The lower template body 3, the annular block 4 and the bottom plate 5 are fixedly connected with one another through the bolts 16, the bolts 16 are fixed with four bolts, so that the lower template body 3, the annular block 4 and the bottom plate 5 can be conveniently detached and connected with one another, and the requirements of replacement and maintenance are met.

The working principle is as follows: when the workpiece needs to be expanded, a cylindrical workpiece is sleeved on a workpiece sleeving column 7 and downwards inserted into a slot 9 along the workpiece sleeving column 7 until the bottom surface of the workpiece contacts the bottom surface of the slot 9, the slot 9 also plays a role in limiting and fixing the workpiece, so that a sealing cavity is formed between the workpiece and the workpiece sleeving column 7 to play a role in hard sealing, then high-pressure water is injected into a water inlet pipeline 10 through a water expansion machine (the water expansion machine belongs to the prior art), so that the sealing cavity between the workpiece and the workpiece sleeving column 7 is filled with water, wherein the O-shaped ring 8 greatly improves the sealing performance of the sealing cavity between the workpiece and the workpiece sleeving column 7, then an upper template 1 downwards runs (the upper template 1 is connected with a hydraulic machine, the upper template 1 downwards runs under the driving of the hydraulic machine), and presses the workpiece downwards until the workpiece is attached to a lower template 2, it should be noted that the height of the workpiece is higher than the height of the die cavity, so that the workpiece is extruded to a certain degree when the upper die plate 1 is pressed down to be attached to the lower die plate 2, in the process, the workpiece is subjected to an expansion process to play a role of pre-deformation, the workpiece is deformed to be close to the shape of the die cavity to play a role of soft sealing, then high-pressure water is pumped into the water inlet pipeline 10 through the water expansion machine, so that the workpiece is expanded to be completely attached to the die cavity to reach the size required by the workpiece, the combination of the traditional pushing and pressing work piece to carry out plastic deformation structure and the water expansion molding hard sealing structure and the glue sealing structure greatly improves the plasticity of the work piece, meanwhile, the expansion ratio of the workpiece is increased, so that the expansion ratio in the water expansion process can reach more than 2.0 times and even higher, and the requirement on the dimensional precision of the machined workpiece can be met by the later-stage water expansion forming.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A water expansion prepressing material extruding glue sealing die is characterized by comprising an upper die plate (1) and a lower die plate (2) matched with the upper die plate (1), the lower template (2) comprises a lower template body (3), an annular block (4) fixedly connected with the lower template body (3) and a bottom plate (5) fixedly connected with the annular block (4), a heightening block (6) is fixed inside the annular block (4), a workpiece sleeve connecting column (7) is fixed at the upper end of the heightening block (6), an O-shaped ring (8) is fixed between the workpiece sleeve connecting column (7) and the block (6), the inner wall of the lower template body (3) and the annular block (4) are connected with the workpiece connecting column (7) in a sleeved mode, a slot (9) of the workpiece connecting column (7) is formed between the workpiece connecting column (7) and the inner wall of the lower template body (3), and a water inlet pipeline (10) is arranged on the workpiece connecting column (7).

2. The water-swelling pre-pressing extruding glue sealing die as claimed in claim 1, wherein the upper end of the water inlet pipe (10) penetrates through the wall body of the workpiece connecting post (7), and the lower end thereof penetrates through the inside of the workpiece connecting post (7), the raising block (6) and the bottom plate (5) in sequence and is communicated with the outside.

3. The water-swelling pre-pressing extruding glue sealing mold according to claim 2, wherein the water inlet pipeline (10) comprises a main pipe (11) communicated with the outside, the main pipe (11) is fixed with three branch pipes (12) near the upper end, and the number of the branch pipes (12) is evenly distributed.

4. The water-swelling pre-pressing extruding glue sealing die as claimed in claim 1, wherein the width of the slot (9) is exactly equal to the thickness of the workpiece.

5. The water-swelling pre-pressing extrusion die as claimed in claim 1, wherein said insertion groove (9) extends to below said O-ring (8).

6. The water-swelling pre-pressing extruding glue sealing mold according to claim 1, wherein a sealing ring (13) is fixed between the bottom plate (5) and the block (6).

7. The water-swelling pre-pressing extruding glue sealing mold according to claim 1, wherein the upper mold plate (1) comprises an upper mold plate body (14) and a top plate (15) fixedly connected with the upper mold plate body (14).

8. The water-swelling pre-pressing extruding glue sealing die as claimed in claim 1, wherein the lower die plate body (3), the annular block (4) and the bottom plate (5) are fixedly connected through bolts (16), and four bolts (16) are fixed on the lower die plate body, the annular block and the bottom plate.