CN217258670U

CN217258670U - Vacuumizing device of carbon block mold

Info

Publication number: CN217258670U
Application number: CN202220776237.9U
Authority: CN
Inventors: 马历乔; 张拓; 陈前琬; 陈文�; 王同生; 李孜; 李啸磊; 陈杰
Original assignee: Wisdri Handan Wupeng Lining New Material Co ltd
Current assignee: Wisdri Handan Wupeng Lining New Material Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-08-23
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a vacuumizing device of a carbon block die, which relates to the technical field of die manufacturing, and comprises a vacuumizing mechanism and a die pressing mechanism, wherein the vacuumizing mechanism comprises a vacuum pump and two vacuum tanks, the working end of the vacuum pump is connected with the vacuum tanks, the vacuum tanks are connected with the upper end and the lower end of the die pressing mechanism through exhaust pipes, the contact area between raw materials and vacuum is increased, the vacuumizing efficiency is higher, the vacuumizing and vacuum-maintaining function in the die pressing mold for large-scale blast furnace carbon blocks is used, the residual air in the raw materials is continuously pumped away by matching with multi-section 'gasping pressing' in the pressing process, the punching head is fully utilized to press the raw materials, the porosity of a formed workpiece is greatly reduced, the integral performance of the carbon blocks is improved, a plurality of groups of movable sealing strips and static sealing strips are arranged in the die pressing mechanism, and all sealing strips are made of high-temperature-resistant fluororubber, the overall sealing effect of the equipment is improved, and the external gas is effectively prevented from entering the die cavity.

Description

Vacuumizing device of carbon block mold

Technical Field

The utility model relates to a mould manufacturing technical field specifically is an evacuating device of charcoal piece mould.

Background

For many years, domestic blast furnace carbon blocks are mainly produced in a vibration molding and extrusion molding mode. In the vibration molding, because the material is pressed slightly and is only pressed at about 0.1-0.5MPa, the material is mainly densified by vibration, the product compactness, strength and the like are limited, and the internal uniformity is poor; although the extrusion molding has large material compression which is more than 5-10MPa, the process difficulty is large, the grasping is difficult, and the internal structure is not uniform. If the compression molding process is adopted to produce the blast furnace carbon block, the material can be pressed by more than 20MPa, the product has good compactness, high strength and uniform internal structure, but in the compression molding production process, the product has the quality defects of bubbles, scorching, glue shortage and the like due to poor air exhaust in the mold cavity.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide an evacuating device of charcoal piece mould has evacuation and fidelity's function.

In order to achieve the above object, the utility model provides a following technical scheme: the vacuum pumping mechanism comprises a vacuum pump and two vacuum tanks, the working ends of the vacuum pump are connected with the vacuum tanks, the two vacuum tanks are connected with the upper end and the lower end of the compression mechanism through exhaust pipes respectively, the compression mechanism comprises a mold, a base, a support frame, a bracket, a cover plate and a punch, wherein the mold is arranged at the top of the bracket, the bracket is arranged on the top wall of the base through a shock absorption column, the outer walls of the two sides of the bracket are slidably arranged at the top of the inner wall of the support frame, the support frame is arranged on the top wall of the base, the punch is arranged at the top of a mold cavity of the mold, the cover plate is slidably arranged on the outer wall of the punch, the cover plate is buckled and arranged at the top of the mold, a pair of vent holes are symmetrically arranged on the two side walls of the mold cavity, a pair of exhaust holes are arranged in the bracket, and the top ends of the exhaust holes are communicated with the vent holes, the bottom of the exhaust hole is communicated with an air guide cavity inside the base, the air guide cavity is connected with an exhaust pipe at the lower end of the compression molding mechanism, a groove is formed in the cover plate, the groove is communicated with the vent hole, and the groove is connected with the exhaust pipe at the upper end of the compression molding mechanism.

As a further aspect of the present invention: the inner portion of the groove is slidably provided with a sliding plate, a side wall of the sliding plate is slidably provided with an outer wall of the punch, a plurality of groups of first connecting springs are arranged on the top wall of the sliding plate, the other ends of the first connecting springs are arranged on the top wall of the groove, meanwhile, a first sealing plug is arranged on the bottom wall of the sliding plate, and the sliding plate is buckled at the top of the vent hole under the elastic action of the first connecting springs.

As a further aspect of the present invention: an inner cavity is formed in the top wall of one side, close to the air vent, of the bracket, a through groove is formed in the top of the inner cavity, a second sealing plug is installed in the through groove, a second connecting spring is installed on the bottom wall of the second sealing plug, the other end of the second connecting spring is installed on the bottom wall of the inner cavity, and the inner cavity is communicated with the exhaust hole through an air guide hole.

As a further aspect of the present invention: the punch is connected with the cover plate through the movable sealing strip.

As a further aspect of the present invention: install static sealing strip one on the roof of mould, the seal groove has been seted up to the symmetry on the diapire of apron, and a static sealing strip lock is in the seal groove, wherein installs the multiunit reference column between the static sealing strip one, and the constant head tank has been seted up to the symmetry on the diapire of apron, and the reference column inserts in the constant head tank to install the clamp plate on the roof of seal groove, the clamp plate compresses tightly at a static sealing strip top.

As a further aspect of the present invention: and a plurality of groups of second static sealing strips are arranged on the top wall of the bracket, and the bracket and the supporting frame are connected together through the dynamic sealing strips.

As the utility model discloses further scheme again: the dynamic sealing strip, the static sealing strip I and the static sealing strip II are made of high-temperature-resistant fluororubber.

By adopting the technical scheme, the utility model discloses following superiority has: the utility model is used for evacuation and vacuum function of guarantor in compression molding mould of large-scale blast furnace charcoal piece, this system can make the vacuum in the mould reach-0.09 MPa in 9s, can make the mould keep this vacuum in whole pressing process simultaneously to multistage "breathing in a breath suppression" in the cooperation pressing technology lasts takes out remaining air in the raw materials, make full use of punching press head compresses tightly the raw materials, and the degree reduces forming workpiece's porosity greatly, thereby improves the wholeness ability of charcoal piece.

Drawings

Fig. 1 is a schematic view of the vacuum pumping mechanism of the present invention.

Fig. 2 is a schematic structural view of the die pressing mechanism of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2 according to the present invention.

Fig. 4 is a partially enlarged view of the point B in fig. 2 according to the present invention.

As shown in the figure: 1. the vacuum pump 2, the vacuum tank 3, the exhaust tube 4, the die 5, the base 6, the support frame 7, the bracket 8, the shock absorption column 9, the cover plate 10, the punch 11, the die cavity 12, the vent hole 13, the exhaust hole 14, the groove 15, the sliding plate 16, the first sealing plug 17, the first connecting spring 18, the movable sealing strip 19, the first static sealing strip 20, the pressing plate 21, the positioning column 22, the second sealing plug 23, the inner cavity 24, the second connecting spring 25, the air guide hole 26 and the second static sealing strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in 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.

Referring to fig. 1-4, in the embodiment of the present invention, an evacuating device for a carbon block mold comprises an evacuating mechanism and a mold pressing mechanism, wherein the evacuating mechanism comprises a vacuum pump 1 and two vacuum tanks 2, the vacuum pump 1 is provided with two vacuum pumps, the working end of the vacuum pump 1 is connected with the vacuum tanks 2, the two vacuum tanks 2 are respectively connected with the upper end and the lower end of the mold pressing mechanism through an exhaust tube 3, the evacuating speed is increased by providing two sets of vacuum pumps 1, the mold pressing mechanism comprises a mold 4, a base 5, a supporting frame 6, a bracket 7, a cover plate 9 and a punch 10, wherein the mold 4 is installed on the top of the bracket 7, the bracket 7 is installed on the top wall of the base 5 through a shock-absorbing column 8, the outer walls of the two sides of the bracket 7 are slidably installed on the top wall of the supporting frame 6, the supporting frame 6 is installed on the top wall of the base 5, the bracket 7 is installed through the shock-absorbing column 8, can cushion in the course of suppressing, stability is stronger, there are drift 10 at the die cavity 11 top of the mould 4 at the same time, slidable mounting has cover plate 9 on the outer wall of the drift 10, cover plate 9 lock-mount is on the top of the mould 4, finish sheltering from the sealing to the die cavity 11 through bracket 7 and cover plate 9, prevent the outside air from entering into die cavity 11, and symmetrical on both sides wall of die cavity 11 has a pair of air vents 12, there are a pair of exhaust holes 13 in the inside of bracket 7, the top of the exhaust hole 13 communicates with air vent 12, the bottom of the exhaust hole 13 communicates with air guide cavity (not drawn in the figure) in the base 5, air guide cavity and exhaust tube 3 of the lower end of the compression moulding mechanism link together, there are grooves 14 in the inside of cover plate 9, grooves 14 and air vents 12 communicate together, grooves 14 link together with exhaust tube 3 of the upper end of the compression moulding mechanism, thus link together the vacuum pumping mechanism and mould 4, the evacuation operation of the mold cavity 11 is completed.

Referring to fig. 3, it can be seen that: the inner portion of the groove 14 is slidably provided with a sliding plate 15, one side wall of the sliding plate 15 is slidably provided with an outer wall of the punch 10, the top wall of the sliding plate 15 is provided with a plurality of groups of first connecting springs 17, the other ends of the first connecting springs 17 are arranged on the top wall of the groove 14, meanwhile, the bottom wall of the sliding plate 15 is provided with a first sealing plug 16, the sliding plate 15 is buckled at the top of the vent hole 12 under the elastic action of the first connecting springs 17, the first sealing plug 16 is buckled in the vent hole 12 at the moment, sealing of the vent hole 12 is completed, external air is prevented from entering the die cavity 11, in the vacuumizing process, the suction pipe 3 performs air suction operation on the groove 14, at the moment, the air pressure drives the sliding plate 15 to move upwards, the first sealing plug 16 is moved away from the top of the vent hole 12, and the die cavity 11 can be vacuumized.

Referring to fig. 4, it can be seen that: inner chamber 23 has been seted up in the one side roof that bracket 7 is close to air vent 12, logical groove has been seted up at the top of inner chamber 23, it installs sealing plug two 22 to lead the inslot, install connecting spring two 24 on the diapire of sealing plug two 22, the other end of connecting spring two 24 is installed on the diapire of inner chamber 23, and inner chamber 23 is in the same place through air guide hole 25 and exhaust hole 13 intercommunication, sealing plug two 22 shelters from sealed air vent 12 equally, thereby effectively isolate die cavity 11 and external, sealed effect is better.

Preferably, the punch 10 is connected with the cover plate 9 through a movable sealing strip 18, and the sealing effect between the punch 10 and the cover plate 9 in the punching process is ensured.

Preferably, install a static sealing strip 19 on the roof of mould 4, the seal groove has been seted up to the symmetry on the diapire of apron 9, and a static sealing strip 19 lock is in the seal groove, wherein installs multiunit reference column 21 between a static sealing strip 19, and the constant head tank has been seted up to the symmetry on the diapire of apron 9, and reference column 21 inserts in the constant head tank to install clamp plate 20 on the roof of seal groove, clamp plate 20 compresses tightly at a static sealing strip 19 top, improves the sealing performance between apron 9 and the mould 4.

Preferably, a plurality of groups of second static sealing strips 26 are arranged on the top wall of the bracket 7, so that the sealing effect of the bracket 7 and the die 4 is improved, and the bracket 7 and the support frame 6 are connected together through the dynamic sealing strips 18.

Preferably, the dynamic seal strip 18, the first static seal strip 19 and the second static seal strip 26 are made of high-temperature-resistant fluororubber.

Claims

1. The utility model provides an evacuating device of charcoal piece mould, includes evacuation mechanism and die pressing mechanism, its characterized in that: the vacuum pumping mechanism comprises a vacuum pump (1) and vacuum tanks (2), wherein the vacuum pump (1) is provided with two vacuum pumps, the working end of the vacuum pump (1) is connected with the vacuum tanks (2), the two vacuum tanks (2) are respectively connected with the upper end and the lower end of a compression molding mechanism through exhaust pipes (3), the compression molding mechanism comprises a mold (4), a base (5), a support frame (6), a bracket (7), a cover plate (9) and a punch (10), wherein the mold (4) is installed at the top of the bracket (7), the bracket (7) is installed on the top wall of the base (5) through a shock absorption column (8), the outer walls at two sides of the bracket (7) are slidably installed at the top of the inner wall of the support frame (6), the support frame (6) is installed on the top wall of the base (5), the punch (10) is arranged at the top of a mold cavity (11) of the mold (4), the cover plate (9) is slidably installed on the outer wall of the punch (10), apron (9) lock is installed at the top of mould (4), and a pair of air vent (12) have been seted up to the symmetry on the both sides wall of die cavity (11), a pair of exhaust hole (13) have been seted up to bracket (7) inside, the top and air vent (12) of exhaust hole (13) communicate together, the bottom of exhaust hole (13) and the inside air guide chamber of base (5) communicate together, air guide chamber links together with exhaust tube (3) of compression moulding mechanism lower extreme, the inside of apron (9) is seted up flutedly (14), recess (14) and air vent (12) communicate together, recess (14) and exhaust tube (3) of compression moulding mechanism upper end link together.

2. The evacuation device for carbon block molds of claim 1, wherein: the novel air vent structure is characterized in that a sliding plate (15) is arranged inside the groove (14) in a sliding mode, a side wall of the sliding plate (15) is slidably arranged on the outer wall of the punch (10), a plurality of groups of first connecting springs (17) are arranged on the top wall of the sliding plate (15), the other ends of the first connecting springs (17) are arranged on the top wall of the groove (14), meanwhile, a first sealing plug (16) is arranged on the bottom wall of the sliding plate (15), and the sliding plate (15) is buckled at the top of the air vent (12) under the elastic action of the first connecting springs (17).

3. The evacuating device of a carbon block mold according to claim 1, characterized in that: an inner cavity (23) is formed in the top wall of one side, close to the air vent (12), of the bracket (7), a through groove is formed in the top of the inner cavity (23), a second sealing plug (22) is installed in the through groove, a second connecting spring (24) is installed on the bottom wall of the second sealing plug (22), the other end of the second connecting spring (24) is installed on the bottom wall of the inner cavity (23), and the inner cavity (23) is communicated with the exhaust hole (13) through an air guide hole (25).

4. The evacuating device of a carbon block mold according to claim 1, characterized in that: the punch (10) is connected with the cover plate (9) through a movable sealing strip (18).

5. The evacuation device for carbon block molds of claim 1, wherein: install quiet sealing strip (19) on the roof of mould (4), the seal groove has been seted up to the symmetry on the diapire of apron (9), quiet sealing strip (19) lock in the seal groove, wherein install multiunit reference column (21) between quiet sealing strip (19), the constant head tank has been seted up to the symmetry on the diapire of apron (9), reference column (21) insert in the constant head tank to install on the roof of seal groove clamp plate (20), clamp plate (20) compress tightly at quiet sealing strip (19) top.

6. The evacuating device of a carbon block mold according to claim 5, wherein: and a plurality of groups of second static sealing strips (26) are arranged on the top wall of the bracket (7), and the bracket (7) and the support frame (6) are connected together through the movable sealing strips (18).

7. The evacuation device for carbon block molds of claim 6, wherein: the dynamic sealing strip (18), the static sealing strip I (19) and the static sealing strip II (26) are made of high-temperature-resistant fluororubber.