CN115319897A - Hydraulic high-precision die sleeve capable of being opened and closed - Google Patents

Hydraulic high-precision die sleeve capable of being opened and closed Download PDF

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Publication number
CN115319897A
CN115319897A CN202211098660.9A CN202211098660A CN115319897A CN 115319897 A CN115319897 A CN 115319897A CN 202211098660 A CN202211098660 A CN 202211098660A CN 115319897 A CN115319897 A CN 115319897A
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CN
China
Prior art keywords
hydraulic cylinder
die sleeve
die
short
long
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Application number
CN202211098660.9A
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Chinese (zh)
Inventor
曾亚宏
王鸿妹
杨海军
刘纪华
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Luoyang Maile Refractory Co ltd
Luoyang Daimengte Intelligent Equipment Manufacturing Co ltd
Original Assignee
Luoyang Maile Refractory Co ltd
Luoyang Daimengte Intelligent Equipment Manufacturing Co ltd
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Application filed by Luoyang Maile Refractory Co ltd, Luoyang Daimengte Intelligent Equipment Manufacturing Co ltd filed Critical Luoyang Maile Refractory Co ltd
Priority to CN202211098660.9A priority Critical patent/CN115319897A/en
Publication of CN115319897A publication Critical patent/CN115319897A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/02Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/0002Auxiliary parts or elements of the mould
    • B28B7/0014Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/0029Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
    • B28B7/0035Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding
    • B28B7/0041Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding the sidewalls of the mould being moved only parallelly away from the sidewalls of the moulded article

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Abstract

The invention belongs to the technical field of refractory brick forming dies, and discloses a foldable hydraulic high-precision die sleeve, wherein guide posts are symmetrically arranged on the front side surface and the rear side surface of the die sleeve up and down around a hydraulic cylinder III and a hydraulic cylinder IV; the long mould is arranged on the inner side of the long moving plate, and the short mould is arranged on the inner side of the short moving plate; the bolt holes II are vertically symmetrically and fixedly arranged at the positions, close to the left and right ends, of the short moving plate, and the hydraulic cylinder mounting holes are symmetrically arranged at the middle position of the long moving plate; the fixing hole is arranged at the middle position above and below the long moving plate and the short moving plate. The invention has the beneficial effects that: 1. the efficiency of changing, assembly jig has been improved, intensity of labour has been reduced. 2. When the mold is assembled and replaced, the contact ratio of the center of the mold and the center of the mold sleeve is improved. 3. The stability and the die cavity accuracy of the refractory brick forming die are improved, and the die deformation is avoided. 4. The friction force of demoulding after the fire-proof green brick is formed is reduced to zero.

Description

Hydraulic high-precision die sleeve capable of being opened and closed
Technical Field
The invention belongs to the technical field of refractory brick forming dies, and particularly relates to a hydraulic high-precision die sleeve capable of being opened and closed.
Background
The refractory brick forming die is a key forming part in the refractory brick forming process. The refractory brick forming mold mainly comprises a mold sleeve, a base plate and a mold; the die sleeve is mainly used for fixing and limiting the base plate and the die and micro-adjusting the size of the die. For the molding of the refractory bricks, along with the continuous progress of science and technology, the automation degree of the material distribution, the demoulding and the carrying of the refractory brick blanks in the molding process of the refractory bricks is higher and higher, and particularly, the carrying of the refractory brick blanks adopts the cooperation of mechanical arms, so that the efficiency of the molding process of the refractory bricks and the molding quality of products are greatly improved. However, the automation degree of the traditional refractory brick forming mould at present cannot meet the requirement of automatic matching with a refractory brick blank carrying manipulator. Therefore, the improvement of the mold for forming refractory bricks is more urgent.
The main technical problem who exists of present traditional resistant firebrick forming die is: 1. when the die is assembled and replaced, the die sleeve needs to be disassembled, the die is replaced and assembled, the replacing and assembling efficiency of the die is low, and the labor intensity is high. 2. When the mould is assembled and replaced, the coincidence of the centre of the mould and the centre of the mould sleeve is difficult to ensure, and the mould is difficult to be matched with a material distribution, demoulding and mechanical arm carrying and Manufacturing Execution System (MES) with high automation degree, so that the intelligent refractory brick forming production operation is formed. 3. The traditional refractory brick forming mold is poor in stability and mold cavity accuracy, the mold is easy to deform, and the forming quality of refractory bricks cannot be controlled. 4. By adopting the traditional refractory brick forming die, the demoulding friction force is large after the refractory brick blank is formed, and the defect of demoulding damage of the refractory brick is easily caused. The inventor develops an openable hydraulic high-precision die sleeve based on the defects in the prior art, and can well solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the invention provides the openable hydraulic high-precision die sleeve which is simple, scientific and reasonable in design structure, free of disassembly of the die sleeve and changed in a die assembly replacement mode; the invention can solve the problems of replacement, low efficiency of mold assembly and high labor intensity caused by the need of disassembling the mold sleeve when assembling and replacing the mold, and simultaneously solves the problems that the center of the mold is difficult to be ensured to be superposed with the center of the mold sleeve when assembling and replacing the mold, and the mold is difficult to be matched with a manufacturing execution system with high automation degree for material distribution, demolding and mechanical arm carrying to form intelligent refractory brick molding production operation; the problems that the traditional refractory brick forming die is poor in stability and die cavity accuracy, the die is easy to deform, and the forming quality of refractory bricks cannot be controlled are solved; the problem that the traditional refractory brick forming die is adopted, the demoulding friction force is large after the refractory brick blank is formed, and the refractory brick is easy to demould and damage is solved.
The technical scheme adopted by the invention for solving the technical problem is as follows: a hydraulic high-precision die sleeve capable of being opened and closed comprises a first hydraulic cylinder, a second hydraulic cylinder and a third hydraulic cylinder; the first hydraulic cylinder is fixedly arranged at the position, close to the rear end, of the left side face of the die sleeve, and the second hydraulic cylinder is fixedly arranged at the position, close to the front end, of the first hydraulic cylinder; the hydraulic cylinder III is fixedly arranged in the middle of the front side surface of the die sleeve, and the hydraulic cylinder IV is fixedly arranged in the middle of the rear side surface of the die sleeve; the hydraulic cylinder V is fixedly arranged at the position, close to the rear end, of the right side face of the die sleeve, and the hydraulic cylinder VI is fixedly arranged at the position of the front side of the hydraulic cylinder V; guide posts are symmetrically arranged on the left side surface and the right side surface of the die sleeve up and down around the first hydraulic cylinder, the second hydraulic cylinder, the fifth hydraulic cylinder and the sixth hydraulic cylinder; guide columns are symmetrically arranged on the front side surface and the rear side surface of the die sleeve up and down around the hydraulic cylinder III and the hydraulic cylinder IV; the limiting bolts are symmetrically arranged at the left side and the right side of the hydraulic cylinder III and the hydraulic cylinder IV from top to bottom; the die sleeve is of a hollow tetragonal structure; the long moving plates are symmetrically arranged on the left inner side and the right inner side of the die sleeve, the height of the long moving plates is equal to that of the die sleeve, and the long moving plates are formed by fixedly combining two long moving plates together; the short movable plates are symmetrically arranged on the front inner side and the rear inner side of the die sleeve, the height of the short movable plates is equal to that of the die sleeve, and the short movable plates are formed by fixedly combining two short movable plates together; the long backing plate is arranged in the middle of the two long moving plates, and the short backing plate is arranged in the middle of the two short moving plates; the long mould is arranged on the inner side of the long moving plate, and the short mould is arranged on the inner side of the short moving plate; the bolt holes II are vertically symmetrically and fixedly arranged at the positions, close to the left end and the right end, of the short moving plate, the guide holes II are vertically symmetrically arranged at the upper position and the lower position of the long moving plate, and the guide holes II are horizontally symmetrically arranged at the left end and the right end of the short moving plate; the hydraulic cylinder mounting holes are symmetrically arranged in the left and right directions in the middle of the long movable plate, and the hydraulic cylinder mounting holes are arranged in the center of the short movable plate on the short movable plate; the fixing hole is arranged at the middle position between the upper part and the lower part of the long moving plate and the short moving plate.
The hydraulic cylinder I, the hydraulic cylinder II, the hydraulic cylinder V and the hydraulic cylinder VI are arranged on the left side surface and the right side surface of the die sleeve in a left-right corresponding mode; and the hydraulic cylinder III and the hydraulic cylinder IV are arranged on the front side surface and the rear side surface of the die sleeve in a front-back corresponding manner.
The die sleeve comprises a die sleeve body, the die sleeve body is a square body with an upper opening and a lower opening, four stepped holes are correspondingly formed in the front and the rear of the left side surface and the right side surface of the die sleeve body, and four bolt holes I are fixedly formed in the front side surface and the rear side surface of the die sleeve body and are symmetrically formed in the up-and-down mode on two sides of the stepped holes in the front side surface and the rear side surface of the die sleeve body; six guide holes I are symmetrically formed in the left side surface and the right side surface of the die sleeve body from top to bottom, and four guide holes I are symmetrically formed in the front side surface and the rear side surface of the die sleeve body from top to bottom.
The first hydraulic cylinder is fixedly arranged in a stepped hole close to the rear end on the left side surface of the die sleeve body, and the second hydraulic cylinder is fixedly arranged in a stepped hole close to the front end on the left side surface of the die sleeve body; the hydraulic cylinder III is arranged in a step hole in the center of the front side face of the die sleeve body, and the hydraulic cylinder III is arranged in a step hole in the center of the rear side face of the die sleeve body; the hydraulic cylinder V is installed in the stepped hole close to the rear end on the right side surface of the die sleeve body, and the hydraulic cylinder VI is installed in the stepped hole close to the front end on the right side surface of the die sleeve body; and telescopic rods of the hydraulic cylinder I, the hydraulic cylinder II, the hydraulic cylinder III, the hydraulic cylinder V and the hydraulic cylinder VI penetrate through the stepped hole of the die sleeve body and the hydraulic cylinder mounting hole of the long movable plate or the short movable plate to be fixedly connected with the center position of the outer side surface of the long die or the short die.
Six guide posts are symmetrically arranged on the left side surface and the right side surface of the die sleeve body from front to back up and down; four guide posts are symmetrically arranged on the front side surface and the rear side surface of the die sleeve body from left to right up and down; the guide posts are arranged in the guide holes I on the left side, the right side, the front side and the rear side of the die sleeve body and the guide Kong Erzhong on the long movable plate and the short movable plate; the outer end of the guide post extends to the outer side of the die sleeve body, and the inner end of the guide post is flush with the inner side faces of the long movable plate and the short movable plate and is fixedly connected with the outer side faces of the long die and the short die.
The four limiting bolts are arranged close to the left side and the right side of the hydraulic cylinder III and the hydraulic cylinder IV and are arranged symmetrically up and down; and the limiting bolt is arranged in the bolt hole I of the die sleeve body and the bolt hole II of the short movable plate to screw and fixedly connect the die sleeve body and the short movable plate into a whole.
The first bolt holes on the front side and the rear side of the die sleeve body are arranged in front-rear correspondence with the second bolt holes of the short movable plates; a first guide hole on the left side surface and a second guide hole on the right side surface of the die sleeve body are arranged in a left-right corresponding mode with a second guide hole on the long movable plate; the first guide holes in the front side and the rear side of the die sleeve body and the second guide holes in the short movable plate are arranged in a front-rear corresponding mode.
The long mould comprises a long mould body, the long mould body is in a cuboid shape, the mounting grooves are formed in the upper inner side position and the lower inner side position of the long mould body, the mounting grooves are in a flat-lying convex shape, the mounting grooves longitudinally penetrate through the long mould body, and the fixing screw holes uniformly and transversely penetrate through the upper mounting grooves and the lower mounting grooves.
The mounting groove and the fixing screw hole which are arranged on the long die are convenient for mounting the die capable of changing the specific shapes of the upper surface and the lower surface of the fire-resistant adobe, so that the purpose of changing the shapes of the upper surface and the lower surface of the fire-resistant adobe is achieved.
The short die comprises a short die body and a short die body cuboid, and connecting screw holes are symmetrically formed in the upper middle and the lower middle of the short die body.
The long dies symmetrically arranged on the left and right sides of the die sleeve body are closely attached to the short dies symmetrically arranged on the front and back of the die sleeve body to align to form a die cavity for forming the refractory bricks.
The die mounting method of the openable hydraulic high-precision die sleeve and the adjusting, demoulding and forming method of the die cavity comprise the following steps:
1. the method for installing and replacing the die comprises the following steps:
step one, installing a die sleeve and a hydraulic cylinder: firstly, fixedly mounting a die sleeve at the center of a workbench of a press machine, then fixedly mounting a first hydraulic cylinder in a stepped hole close to the rear end on the left side surface of a die sleeve body, and fixedly mounting a second hydraulic cylinder in a stepped hole close to the front end on the left side surface of the die sleeve body; the hydraulic cylinder III is arranged in a step hole in the center of the front side face of the die sleeve body, and the hydraulic cylinder III is arranged in a step hole in the center of the rear side face of the die sleeve body; the hydraulic cylinder V is installed in the stepped hole close to the rear end on the right side surface of the die sleeve body, and the hydraulic cylinder VI is installed in the stepped hole close to the front end on the right side surface of the die sleeve body;
step two, the long movable plate and the short movable plate are installed with the long backing plate and the short backing plate in a matching way: firstly, a long base plate is placed between two long moving plates, bolts penetrate through fixing holes in the two long moving plates and the upper and lower parts of the long base plate, and the two long moving plates and the long base plate are fixedly connected into a whole; then the short base plate is placed between the two short moving plates, and a bolt penetrates through the fixing holes in the two short moving plates and the upper part and the lower part of the short base plate to fixedly connect the two short moving plates and the short base plate into a whole;
step three: the long movable plate, the short movable plate, the long base plate, the short base plate and the die sleeve are matched and installed: respectively and symmetrically installing the long movable plate and the long cushion plate which are installed in the second step in a matched manner on the left inner side surface and the right inner side surface of the die sleeve body of the die sleeve; meanwhile, the short movable plate and the short base plate are respectively and symmetrically arranged on the front inner side and the rear inner side of the die sleeve body of the die sleeve;
step four, the guide post, the limiting bolt are installed with the long movable plate and the short movable plate in a matching mode: 1. installation of the guide post: the guide post penetrates through a guide hole I on the left side surface and a guide hole II on the right side surface of the die sleeve body, the long base plate and the long moving plate, so that the inner side end of the guide post is fixed with the long moving plate guide hole II on the inner side; meanwhile, the guide post penetrates through a guide hole I on the front side surface and the rear side surface of the die sleeve body, the short base plate and a guide hole II on the short movable plate, so that the inner side end of the guide post is fixed with the guide hole II on the short movable plate on the inner side; 2. installing a limiting bolt: the limiting bolt penetrates through the first bolt hole on the front side surface and the rear side surface of the die sleeve body, the short base plate and the second bolt hole on the short moving plate, so that the screw head of the limiting bolt is flush with the second bolt hole on the short moving plate on the inner side, and the screw rod of the limiting bolt extends to the outer side of the die sleeve body and is screwed and fixed by a nut;
step five, the long mould, the short mould and the hydraulic cylinder, the mould sleeve, the long movable plate, the short movable plate, the long backing plate and the short backing plate are installed in a matching way: firstly, respectively and symmetrically installing long dies on the inner side surfaces of long moving plates to ensure that the long dies are attached and aligned with the long moving plates; meanwhile, the short dies are respectively and symmetrically arranged on the inner side surfaces of the short movable plates, so that the short dies are attached to and aligned with the short movable plates; and then the telescopic rods of the hydraulic cylinder I, the hydraulic cylinder II, the hydraulic cylinder III, the hydraulic cylinder V and the hydraulic cylinder VI penetrate through the stepped hole of the die sleeve body and the hydraulic cylinder mounting hole of the long movable plate or the short movable plate to be fixedly connected with the center position of the outer side surface of the long die or the short die.
Step six, replacement of the long die, the short die, the hydraulic cylinder, the die sleeve, the long movable plate, the short movable plate, the long base plate, the short base plate and the guide column: when any part of the long die, the short die, the first hydraulic cylinder, the second hydraulic cylinder, the third hydraulic cylinder, the fifth hydraulic cylinder, the sixth hydraulic cylinder, the die sleeve, the long movable plate, the short movable plate, the long base plate, the short base plate and the guide column needs to be replaced, the die sleeve does not need to be disassembled, and any part can be replaced according to the operation of reverse installation actions of the relevant parts in the first step to the fifth step.
2. The method for adjusting the die cavity and demoulding and forming comprises the following steps:
step one, determining a mold adjustment reference: after the die is installed, taking the center of a die sleeve on a press workbench as an adjusting reference; simultaneously, loosening and disassembling nuts on the limiting bolts on the front side surface and the rear side surface of the die sleeve;
step two, adjusting the length and the width of the die cavity of the die: starting a hydraulic cylinder I, a hydraulic cylinder II, a hydraulic cylinder III, a hydraulic cylinder V and a hydraulic cylinder VI to start working, controlling the stroke amounts of the telescopic rods of the hydraulic cylinder I, the hydraulic cylinder II, the hydraulic cylinder III, the hydraulic cylinder V and the hydraulic cylinder VI according to the technological dimension of the refractory brick, and pushing long dies symmetrically arranged on the left and right and short dies symmetrically arranged in the front and back to move towards the center of the die sleeve body until the long dies are tightly attached and aligned to form a die cavity for forming the refractory brick blank through the stretching action of the telescopic rods of the hydraulic cylinder I, the hydraulic cylinder II, the hydraulic cylinder III, the hydraulic cylinder V and the hydraulic cylinder VI under the guiding match of the guide column; at the moment, the center of a die cavity formed by the long dies symmetrically arranged at the left and right sides and the short dies symmetrically arranged at the front and back sides coincides with the center of the die sleeve body of the die sleeve;
step three, forming and demoulding the fire-resistant green brick: after the die cavity adjustment in the second step is finished, the material distribution device automatically distributes materials to the long dies symmetrically arranged left and right and the short dies symmetrically arranged front and back, and the refractory brick blanks are formed by bidirectional extrusion molding of a press machine; after the refractory brick blank is formed, an upper hammer head of the press machine drives an upper die in the upper direction of a die sleeve to leave the upper part of a die cavity of the die sleeve, and meanwhile, telescopic rods of a hydraulic cylinder I, a hydraulic cylinder II, a hydraulic cylinder III, a hydraulic cylinder V and a hydraulic cylinder VI retract, so that the long die and the short die are restored to the states before size adjustment under the pulling of the retracting actions of the telescopic rods of the hydraulic cylinder I, the hydraulic cylinder II, the hydraulic cylinder III, the hydraulic cylinder V and the hydraulic cylinder VI; at the moment, the lower hammer head and the lower die which are positioned at the lower part of the press machine eject the formed refractory brick blank from the upper part of the die cavity of the die sleeve, so that zero-friction demoulding of the refractory brick blank is realized.
In the invention, a first hydraulic cylinder is fixedly arranged at the position, close to the rear end, of the left side surface of a die sleeve, and a second hydraulic cylinder is fixedly arranged at the position of the front side of the first hydraulic cylinder; the hydraulic cylinder III is fixedly arranged in the middle of the front side surface of the die sleeve, and the hydraulic cylinder IV is fixedly arranged in the middle of the rear side surface of the die sleeve; the hydraulic cylinder V is fixedly arranged at the position, close to the rear end, of the right side face of the die sleeve, and the hydraulic cylinder VI is fixedly arranged at the position of the front side of the hydraulic cylinder V; the first hydraulic cylinder is fixedly arranged in a stepped hole close to the rear end on the left side surface of the die sleeve body, and the second hydraulic cylinder is fixedly arranged in a stepped hole close to the front end on the left side surface of the die sleeve body; the hydraulic cylinder III is arranged in a stepped hole in the center of the front side surface of the die sleeve body, and the hydraulic cylinder III is arranged in a stepped hole in the center of the rear side surface of the die sleeve body; the hydraulic cylinder V is installed in the stepped hole close to the rear end on the right side surface of the die sleeve body, and the hydraulic cylinder VI is installed in the stepped hole close to the front end on the right side surface of the die sleeve body; and telescopic rods of the hydraulic cylinder I, the hydraulic cylinder II, the hydraulic cylinder III, the hydraulic cylinder V and the hydraulic cylinder VI penetrate through the stepped hole of the die sleeve body and the hydraulic cylinder mounting hole of the long movable plate or the short movable plate to be fixedly connected with the center position of the outer side surface of the long die or the short die. The hydraulic cylinder I, the hydraulic cylinder II, the hydraulic cylinder III, the hydraulic cylinder V and the hydraulic cylinder VI are arranged, so that on one hand, the effects of tightly jacking and limiting the long die and the short die are achieved; on the other hand, the long dies symmetrically arranged on the left and right sides and the short dies symmetrically arranged in the front and back sides are pushed to move towards the center of the die sleeve body by utilizing the telescopic action of the first hydraulic cylinder, the second hydraulic cylinder, the third hydraulic cylinder, the fifth hydraulic cylinder and the sixth hydraulic cylinder telescopic rod under the guiding coordination of the guide post, so that the long dies, the short dies and the like can move in stroke.
In the invention, guide posts are symmetrically arranged on the left side surface and the right side surface of the die sleeve up and down around the first hydraulic cylinder, the second hydraulic cylinder, the fifth hydraulic cylinder and the sixth hydraulic cylinder; guide columns are symmetrically arranged on the front side surface and the rear side surface of the die sleeve up and down around the hydraulic cylinder III and the hydraulic cylinder IV; six guide posts are symmetrically arranged on the left side surface and the right side surface of the die sleeve body from front to back up and down; four guide posts are symmetrically arranged on the front side surface and the rear side surface of the die sleeve body from left to right and from top to bottom; the guide posts are arranged in the guide holes I on the left side, the right side, the front side and the rear side of the die sleeve body and the guide Kong Erzhong on the long movable plate and the short movable plate; the outer end of the guide post extends to the outer side of the die sleeve body, and the inner end of the guide post is flush with the inner side faces of the long movable plate and the short movable plate and is fixedly connected with the outer side faces of the long die and the short die. The main purposes of the above arrangement are: by matching the guide column with the first hydraulic cylinder, the second hydraulic cylinder, the third hydraulic cylinder, the fifth hydraulic cylinder and the sixth hydraulic cylinder, on one hand, the long mold and the short mold can stably move under the telescopic pushing of the first hydraulic cylinder, the third hydraulic cylinder, the fifth hydraulic cylinder and the sixth hydraulic cylinder; on the other hand, the adjustment of the sizes of the long die and the short die taking the die sleeve as the center is more accurate; on the other hand, the deformation of the long mold and the short mold in the mold sleeve can be effectively prevented.
In the invention, the limiting bolts are symmetrically arranged at the left side and the right side of the hydraulic cylinder III and the hydraulic cylinder IV from top to bottom; the four limiting bolts are arranged close to the left side and the right side of the hydraulic cylinder III and the hydraulic cylinder IV and are arranged symmetrically up and down; and the limiting bolt is arranged in the bolt hole I of the die sleeve body and the bolt hole II of the short movable plate to screw and fixedly connect the die sleeve body and the short movable plate into a whole. The main purposes of the above arrangement are: on one hand, when the positions of the long die and the short die are adjusted, the nut on the limiting bolt is in a loosening and unloading state, and the limiting bolt plays a role in guiding, so that the moving stability of the short die is improved; on the other hand, when the long die and the short die are adjusted in place, the nut is installed on the limiting bolt to play a role in limiting and fixing the positions of the short movable plate and the short die.
The die sleeve comprises a die sleeve body, the die sleeve body is a square body with an upper opening and a lower opening, four stepped holes are correspondingly arranged in the front and the rear of the left side surface and the right side surface of the die sleeve body, and four bolt holes I are fixedly arranged on two sides of the stepped holes in the front side surface and the rear side surface of the die sleeve body and are symmetrically arranged in the up-and-down direction; six guide holes I are symmetrically formed in the left side surface and the right side surface of the die sleeve body from top to bottom, and four guide holes I are symmetrically formed in the front side surface and the rear side surface of the die sleeve body from top to bottom. The main purpose of the stepped bore provided therein is: and the first hydraulic cylinder, the second hydraulic cylinder, the third hydraulic cylinder, the fifth hydraulic cylinder and the sixth hydraulic cylinder are firmly arranged in the step holes. The main purpose of the first bolt hole is that: the limiting bolt can conveniently penetrate through the first bolt hole to limit and fix the positions of the short movable plate and the short die. The main purposes in which the guide holes are provided are: the guide posts are conveniently connected with the long movable plate and the short movable plate through the guide holes.
In the invention, the long movable plates are symmetrically arranged on the left inner side and the right inner side of the die sleeve, the height of the long movable plates is equal to that of the die sleeve, and the long movable plates are formed by fixedly combining two long movable plates together; the short movable plates are symmetrically arranged on the front inner side and the rear inner side of the die sleeve, the height of the short movable plates is equal to that of the die sleeve, and the short movable plates are formed by fixedly combining two short movable plates together; the long backing plate is arranged in the middle of the two long moving plates, and the short backing plate is arranged in the middle of the two short moving plates; the long mold is arranged on the inner side of the long moving plate, and the short mold is arranged on the inner side of the short moving plate. The main purposes of arranging the long movable plate, the long backing plate, the short movable plate and the short backing plate are as follows: on one hand, when the press is used for forming the refractory brick blank, the long movable plate, the long backing plate, the short movable plate and the short backing plate play a role in buffering radial pressure; on the other hand, the die sleeve body, the long die and the short die are protected from being impacted by radial pressure, and the deformation of the die sleeve and the die cavity is effectively avoided.
In the invention, bolt holes II are vertically symmetrically and fixedly arranged at the positions close to the left end and the right end of the short moving plate, guide holes II are vertically symmetrically arranged at the upper position and the lower position of the long moving plate, and the guide holes II are horizontally symmetrically arranged at the left end and the right end of the short moving plate; the hydraulic cylinder mounting holes are arranged in the middle of the long moving plate in a bilateral symmetry mode, and the hydraulic cylinder mounting holes are arranged on the short moving plate and are arranged in the center of the short moving plate; the fixing hole is arranged at the middle position between the upper part and the lower part of the long moving plate and the short moving plate. The second bolt hole is arranged for the main purpose that: the die sleeve body and the short movable plate are screwed and fixedly connected into a whole by arranging the bolt holes II and installing the limiting bolts in the bolt holes I of the die sleeve body and the bolt holes II of the short movable plate; on one hand, when the positions of the long die and the short die are adjusted, the nut on the limiting bolt is in a loosening and unloading state, and the limiting bolt plays a role in guiding, so that the moving stability of the short die is improved; on the other hand, when the long die and the short die are adjusted in place, the nut is arranged on the limiting bolt to play a role in limiting and fixing the positions of the short movable plate and the short die. The second guide hole is arranged for the main purpose that: through the arrangement of the second guide hole and the first guide hole on the die sleeve body and the cooperation with the guide post, on one hand, the long die and the short die can stably move under the telescopic pushing of the first hydraulic cylinder, the third hydraulic cylinder, the fifth hydraulic cylinder and the sixth hydraulic cylinder; on the other hand, the adjustment of the size of the long die and the short die taking the die sleeve as the center is more accurate; on the other hand, the deformation of the long mold and the short mold in the mold sleeve can be effectively prevented.
According to the invention, the first step to the sixth step of the mounting and replacing method of the die jointly act, on one hand, the disassembly-free die sleeve is realized, and the assembling and replacing mode of the die is changed; the efficiency of replacing and assembling the die is improved, and the labor intensity is reduced; on the other hand, when the mold is assembled and replaced, the contact ratio between the mold center and the mold sleeve center is improved, and the manufacturing execution systems with high automation degree for distributing, demolding and manipulator carrying are in linkage fit, so that an intelligent refractory brick molding production operation procedure is formed.
According to the invention, the adjustment of the mold cavity of the mold and the combined action of the first step to the third step in the demolding and molding method, on one hand, the demolding friction force after the refractory brick blank is molded is reduced to zero, the molding quality of the refractory brick blank is improved, and the demolding defect caused by demolding after the refractory brick blank is molded is effectively avoided; on the other hand, the stability and the die cavity accuracy of the refractory brick forming die are improved, the die deformation is avoided, and the forming quality of the refractory bricks can be effectively controlled.
The beneficial effects of the invention are: 1. the disassembly-free die sleeve is realized, and the die assembly replacement mode is changed; the efficiency of changing, assembly jig has been improved, intensity of labour has been reduced. 2. When the mold is assembled and replaced, the contact ratio between the center of the mold and the center of the mold sleeve is improved, and the manufacturing execution system with high automation degree for distributing, demolding and manipulator carrying is in linkage fit, so that an intelligent refractory brick molding production operation procedure is formed. 3. The stability and the die cavity accuracy of the refractory brick forming die are improved, the die deformation is avoided, and the forming quality of the refractory bricks can be effectively controlled. 4. The friction force of demoulding after the fire-resistant green brick is formed is reduced to zero, the forming quality of the fire-resistant green brick is improved, and the quality defect caused by demoulding after the fire-resistant green brick is formed is effectively avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a die sleeve according to the present invention;
FIG. 3 is a schematic view of the construction of the long movable plate of the present invention;
FIG. 4 is a schematic view of the construction of the short moving plate of the present invention;
FIG. 5 is a schematic view of the structure of the long mold of the present invention;
FIG. 6 is a schematic view of the structure of the short mold of the present invention;
the labels in the figure are: 1. the hydraulic cylinder I, 2, the hydraulic cylinder II, 3, the hydraulic cylinder III, 4, the hydraulic cylinder IV, 5, the hydraulic cylinder V, 6, the hydraulic cylinder VI, 7, the guide post 8, the limit bolt 9, the die sleeve 91, the die sleeve body 92, the step hole 93, the bolt hole I, 94, the guide hole I, 10, the long movable plate 11, the short movable plate 12, the long cushion plate 13, the short cushion plate 14, the long die 141, the long die body 142, the mounting groove 143, the fixing screw hole 15, the short die 151, the short die body 152, the connecting screw hole 16, the bolt hole II, 17, the guide hole II, 18, the hydraulic cylinder mounting hole 19 and the fixing hole.
Detailed Description
The following detailed description of embodiments of the invention is provided in connection with the accompanying drawings.
The invention provides a hydraulic high-precision die sleeve capable of being opened and closed, which comprises:
as shown in fig. 1 and 2, a first hydraulic cylinder 1 is fixedly arranged at a position close to the rear end of the left side surface of a die sleeve 9, and a second hydraulic cylinder 2 is fixedly arranged at a position at the front side of the first hydraulic cylinder 1; the hydraulic cylinder III 3 is fixedly arranged in the middle of the front side surface of the die sleeve 9, and the hydraulic cylinder IV 4 is fixedly arranged in the middle of the rear side surface of the die sleeve 9; a hydraulic cylinder five 5 is fixedly arranged on the right side surface of the die sleeve 9 and close to the rear end, and a hydraulic cylinder six 6 is fixedly arranged on the front side of the hydraulic cylinder five 5; the hydraulic cylinder I1, the hydraulic cylinder II 2, the hydraulic cylinder V5 and the hydraulic cylinder VI 6 are arranged on the left side surface and the right side surface of the die sleeve 9 in a left-right corresponding mode; the hydraulic cylinder III 3 and the hydraulic cylinder IV 4 are arranged on the front side surface and the rear side surface of the die sleeve 9 in a front-rear corresponding manner; the hydraulic cylinder I1 is fixedly arranged in a stepped hole 92 close to the rear end on the left side surface of the die sleeve body 91, and the hydraulic cylinder II 2 is fixedly arranged in a stepped hole 92 close to the front end on the left side surface of the die sleeve body 91; the hydraulic cylinder III 3 is arranged in a stepped hole 92 in the center of the front side surface of the die sleeve body 91, and the hydraulic cylinder III 4 is arranged in a stepped hole 92 in the center of the rear side surface of the die sleeve body 91; a fifth hydraulic cylinder 5 is installed on the right side surface of the die sleeve body 91 close to the rear-end stepped hole 92, and a sixth hydraulic cylinder 6 is installed on the right side surface of the die sleeve body 91 close to the front-end stepped hole 92; the telescopic rods of the hydraulic cylinder I1, the hydraulic cylinder II 2, the hydraulic cylinder III 3, the hydraulic cylinder III 4, the hydraulic cylinder V5 and the hydraulic cylinder VI 6 penetrate through the step hole 92 of the die sleeve body 91 and the hydraulic cylinder mounting hole 18 of the long movable plate 10 or the short movable plate 11 to be fixedly connected with the center position of the outer side face of the long die 14 or the short die 15. The hydraulic cylinder I1, the hydraulic cylinder II 2, the hydraulic cylinder III 3, the hydraulic cylinder III 4, the hydraulic cylinder V5 and the hydraulic cylinder VI 6 are fixedly connected with a hydraulic control valve and a hydraulic station through high-pressure oil pipes, and the hydraulic station accurately conveys hydraulic oil to the hydraulic cylinder I1, the hydraulic cylinder II 2, the hydraulic cylinder III 3, the hydraulic cylinder III 4, the hydraulic cylinder V5 and the hydraulic cylinder VI 6 through the hydraulic control valve.
As shown in fig. 1, guide posts 7 are symmetrically arranged on the left side surface and the right side surface of the die sleeve 9 around the hydraulic cylinder I1, the hydraulic cylinder II 2, the hydraulic cylinder V5 and the hydraulic cylinder VI 6 from top to bottom; guide posts 7 are symmetrically arranged on the front side surface and the rear side surface of the die sleeve 9 up and down around the hydraulic cylinder three 3 and the hydraulic cylinder four 4; the limiting bolts 8 are symmetrically arranged at the left side and the right side of the hydraulic cylinder III 3 and the hydraulic cylinder IV 4 from top to bottom; six guide posts 7 are symmetrically arranged on the left side surface and the right side surface of the die sleeve body 91 from front to back up and down; four guide posts 7 are symmetrically arranged on the front side surface and the rear side surface of the die sleeve body 91 from left to right up and down; the guide posts 7 are arranged in the guide holes 94 on the left, right, front and rear side surfaces of the die sleeve body 91 and the guide holes 17 on the long movable plate 10 and the short movable plate 11; the outer ends of the guide posts 7 extend to the outer side of the die case body 91, and the inner ends of the guide posts 7 are flush with the inner side surfaces of the long movable plate 10 and the short movable plate 11 and fixedly connected with the outer side surfaces of the long die 14 and the short die 15. The number of the guide posts 7 is determined according to the process requirements and the length or width of the die case body 91.
As shown in fig. 2, 3 and 4, the die case 9 is a hollow tetragonal structure; the die sleeve 9 comprises a die sleeve body 91, the die sleeve body 91 is a square body with an upper opening and a lower opening, four stepped holes 92 are correspondingly arranged in front and at the back of the left side surface and the right side surface of the die sleeve body 91, and four bolt holes I93 are fixedly arranged on the two sides of the stepped holes 92 on the front side surface and the back side surface of the die sleeve body 91 and are symmetrically arranged in the up-and-down direction; six first guide holes 94 are formed in the left side face and the right side face of the die sleeve body 91 in an up-and-down symmetrical mode, and four first guide holes 94 are formed in the front side face and the rear side face of the die sleeve body 91 in an up-and-down symmetrical mode. The first bolt holes 93 on the front side and the rear side of the die sleeve body 91 are arranged in front-rear correspondence with the second bolt holes 16 of the short movable plate 11; a first guide hole 94 on the left side surface and a second guide hole 17 on the long movable plate 10 of the die sleeve body 91 are arranged in a left-right corresponding mode; the first guide hole 94 on the front and rear side surfaces of the die case body 91 and the second guide hole 17 on the short movable plate 11 are arranged in a front-rear corresponding manner. The number of the first bolt holes 93 on the die case body 91 is determined according to the process requirements and the width of the die case body 91, the width of the short movable plate 11, the width of the short backing plate 13 and the width of the short die 15.
As shown in fig. 3 and 4, the long moving plates 10 are symmetrically arranged on the left inner side and the right inner side of the die sleeve 9, the height of the long moving plates 10 is equal to that of the die sleeve 9, and the long moving plates 10 are two long moving plates 10 which are fixedly combined together; the short moving plates 11 are symmetrically arranged on the front inner side and the rear inner side of the die sleeve 9, the height of the short moving plates 11 is equal to that of the die sleeve 9, and the short moving plates 11 are two short moving plates 11 which are fixedly combined together; the long cushion plate 12 is arranged in the middle of the two long movable plates 10, and the short cushion plate 13 is arranged in the middle of the two short movable plates 11; the long mold 14 is disposed inside the long moving plate 10, and the short mold 15 is disposed inside the short moving plate 11.
As shown in fig. 1 to 6, the bolt holes two 16 are vertically symmetrically and fixedly arranged at the positions close to the left and right ends of the short moving plate 11, the guide holes two 17 are vertically symmetrically arranged at the upper and lower positions of the long moving plate 10, and the guide holes two 17 are horizontally symmetrically arranged at the left and right ends of the short moving plate 11; the hydraulic cylinder mounting holes 18 are symmetrically arranged in the left and right direction at the middle position of the long movable plate 10, and the hydraulic cylinder mounting holes 18 are arranged at the central position of the short movable plate 11 on the short movable plate 11; the fixing hole 19 is provided at an intermediate position between the upper and lower positions of the long moving plate 10 and the short moving plate 11.
As shown in fig. 1, four limiting bolts 8 are arranged at the left and right sides of the hydraulic cylinder three 3 and the hydraulic cylinder four 4 in a vertically symmetrical manner; the limit bolt 8 is installed in the first bolt hole 93 of the die sleeve body 91 and the second bolt hole 16 of the short movable plate 11 to fixedly connect the die sleeve body 91 and the short movable plate 11 into a whole. The number of the limit bolts 8 is determined according to the process requirements and the width of the die case body 91, the width of the short movable plate 11, the width of the short cushion plate 13 and the width of the short die 15, and the purpose of fixing the die case body 91, the short movable plate 11, the width of the short cushion plate 13 and the width of the short die 15 is mainly achieved.
As shown in fig. 5 and 6, the long mold 14 includes a long mold body 141, the long mold body 141 is rectangular parallelepiped, the mounting grooves 142 are disposed at upper and lower inner sides of the long mold body 141, the mounting grooves 142 are in a flat-down convex shape, the mounting grooves 142 longitudinally penetrate through the long mold body 141, and the fixing screw holes 143 uniformly and transversely penetrate through the upper and lower mounting grooves 142. The short mold 15 includes a short mold body 151, the short mold body 151 is rectangular, and connection screw holes 152 are symmetrically formed in the upper and lower middle portions of the short mold body 151. The long dies 14 symmetrically arranged on the left and right of the die sleeve body 91 and the short dies 15 symmetrically arranged on the front and back of the die sleeve body 91 are closely aligned to form a die cavity for molding the refractory bricks.
The die mounting method of the openable hydraulic high-precision die sleeve and the adjusting, demoulding and forming method of the die cavity comprise the following steps:
1. the method for installing and replacing the die comprises the following steps:
step one, installing a die sleeve and a hydraulic cylinder: firstly, fixedly mounting a die sleeve 9 at the center of a workbench of a press, then fixedly mounting a hydraulic cylinder I1 in a stepped hole 92 close to the rear end on the left side surface of a die sleeve body 91, and fixedly mounting a hydraulic cylinder II 2 in the stepped hole 92 close to the front end on the left side surface of the die sleeve body 91; the hydraulic cylinder III 3 is arranged in a stepped hole 92 in the center of the front side surface of the die sleeve body 91, and the hydraulic cylinder III 4 is arranged in a stepped hole 92 in the center of the rear side surface of the die sleeve body 91; a fifth hydraulic cylinder 5 is installed on the right side surface of the die sleeve body 91 close to the rear-end stepped hole 92, and a sixth hydraulic cylinder 6 is installed on the right side surface of the die sleeve body 91 close to the front-end stepped hole 92;
step two, the long movable plate and the short movable plate are installed with the long backing plate and the short backing plate in a matching way: firstly, a long cushion plate 12 is placed between two long moving plates 10, bolts penetrate through fixing holes 19 on the two long moving plates 10 and the upper and lower parts of the long cushion plate 12, and the two long moving plates 10 and the long cushion plate 12 are fixedly connected into a whole; then the short shim plate 13 is placed between the two short moving plates 11, and bolts penetrate through the fixing holes 19 on the two short moving plates 11 and the upper and lower parts of the short shim plate 13 to fixedly connect the two short moving plates 11 and the short shim plate 13 into a whole;
step three: the long movable plate, the short movable plate, the long base plate, the short base plate and the die sleeve are matched and installed: respectively and symmetrically installing the long movable plate 10 and the long backing plate 12 which are installed in the second step on the left inner side surface and the right inner side surface of the die sleeve body 91 of the die sleeve 9; meanwhile, the short movable plate 11 and the short backing plate 13 are respectively and symmetrically arranged on the front inner side and the rear inner side of the die sleeve body 91 of the die sleeve 9;
step four, the guide post, the limiting bolt are installed with the long movable plate and the short movable plate in a matching mode: 1. installation of the guide post: the guide posts 7 penetrate through the first guide holes 94 on the left side surface and the right side surface of the die sleeve body 91, the long backing plates 12 and the second guide holes 17 of the long moving plates 10, so that the inner side ends of the guide posts 7 are fixed with the second guide holes 17 of the long moving plates 10 on the inner side; meanwhile, the guide post 7 passes through a first guide hole 94 on the front side surface and a second guide hole 17 on the front side surface and the rear side surface of the die sleeve body 91, the short backing plate 13 and the short movable plate 11, so that the inner side end of the guide post 7 is fixed with the second guide hole 17 on the short movable plate 11 on the inner side; 2. installing a limiting bolt: the limiting bolt 8 penetrates through the first bolt hole 93 on the front side surface and the rear side surface of the die sleeve body 91, the short cushion plate 13 and the second bolt hole 16 on the short movable plate 11, so that the screw head of the limiting bolt 8 is flush with the second bolt hole 16 on the inner short movable plate 11, and the screw rod of the limiting bolt 8 extends to the outer side of the die sleeve body 91 and is screwed and fixed by a nut;
step five, the long mould, the short mould, the hydraulic cylinder, the mould sleeve, the long movable plate, the short movable plate, the long cushion plate and the short cushion plate are installed in a matching way: firstly, respectively and symmetrically installing long dies 14 on the inner side surfaces of the long movable plates 10 to ensure that the long dies 14 are attached and aligned with the long movable plates 10; meanwhile, the short dies 15 are respectively and symmetrically arranged on the inner side surfaces of the short movable plates 11, so that the short dies 15 are attached to and aligned with the short movable plates 11; and then, the telescopic rods of the hydraulic cylinder I1, the hydraulic cylinder II 2, the hydraulic cylinder III 3, the hydraulic cylinder III 4, the hydraulic cylinder V5 and the hydraulic cylinder VI 6 penetrate through the stepped hole 92 of the die sleeve body 91 and the hydraulic cylinder mounting hole 18 of the long movable plate 10 or the short movable plate 11 to be fixedly connected with the center position of the outer side surface of the long die 14 or the short die 15.
Step six, replacement of the long die, the short die, the hydraulic cylinder, the die sleeve, the long movable plate, the short movable plate, the long base plate, the short base plate and the guide column: when any part of the long die 14, the short die 15, the first hydraulic cylinder 1, the second hydraulic cylinder 2, the third hydraulic cylinder 3, the third hydraulic cylinder 4, the fifth hydraulic cylinder 5, the sixth hydraulic cylinder 6, the die sleeve 9, the long moving plate 10, the short moving plate 11, the long backing plate 12, the short backing plate 13 and the guide column 7 needs to be replaced, the die sleeve does not need to be disassembled, and any part can be replaced according to the operation of reverse installation actions of the relevant parts in the first step to the fifth step.
2. The adjusting and demoulding forming method of the mould cavity comprises the following steps:
step one, determining a mold adjustment reference: after the die is installed, taking the center of a die sleeve on a press workbench as an adjusting reference; simultaneously, the nuts on the limiting bolts 8 on the front side surface and the rear side surface of the die sleeve 9 are unscrewed and removed;
step two, adjusting the length and the width of the die cavity of the die: starting a hydraulic cylinder I1, a hydraulic cylinder II 2, a hydraulic cylinder III 3, a hydraulic cylinder III 4, a hydraulic cylinder V5 and a hydraulic cylinder VI 6 to start working, controlling the stroke amounts of telescopic rods of the hydraulic cylinder I1, the hydraulic cylinder II 2, the hydraulic cylinder III 3, the hydraulic cylinder III 4, the hydraulic cylinder V5 and the hydraulic cylinder VI 6 according to the technological dimension of the refractory brick, and pushing long dies 14 symmetrically arranged left and right and short dies 15 symmetrically arranged front and back to move towards the center of a die sleeve body 91 under the guiding coordination of a guide post 7 through the extending actions of the telescopic rods of the hydraulic cylinder I1, the hydraulic cylinder II 2, the hydraulic cylinder III 3, the hydraulic cylinder III 4, the hydraulic cylinder V5 and the hydraulic cylinder VI 6 until the long dies are tightly attached and aligned to form a die cavity for forming a refractory brick blank; at this time, the center of the cavity formed by the long dies 14 symmetrically arranged left and right and the short dies 15 symmetrically arranged front and back coincides with the center of the die sleeve body 91 of the die sleeve 9;
step three, forming and demoulding the fire-resistant green brick: after the die cavity adjustment in the second step is finished, the material distribution device automatically distributes materials to the long dies 14 symmetrically arranged left and right and the short dies 15 symmetrically arranged front and back, and the materials are subjected to bidirectional extrusion forming by a press machine to form a refractory brick blank; after the refractory brick blank is formed, an upper hammer head of a press machine drives an upper die in the upper direction of a die sleeve 9 to leave the upper part of a die cavity of the die sleeve 9, meanwhile, telescopic rods of a hydraulic cylinder I1, a hydraulic cylinder II 2, a hydraulic cylinder III 3, a hydraulic cylinder III 4, a hydraulic cylinder V5 and a hydraulic cylinder VI 6 retract, and under the pulling of the retracting actions of the telescopic rods of the hydraulic cylinder I1, the hydraulic cylinder II 2, the hydraulic cylinder III 3, the hydraulic cylinder III 4, the hydraulic cylinder V5 and the hydraulic cylinder VI 6, the long die 14 and the short die 15 are restored to the states before size adjustment; at the moment, the lower hammer head and the lower die which are positioned at the lower part of the press machine eject the formed refractory brick blank out of the upper part of the die cavity of the die sleeve 9, so that zero-friction demoulding of the refractory brick blank is realized.
First embodiment, the installation grooves 142 and the fixing screw holes 143 provided on the long mold 14 facilitate installation of a mold capable of changing the specific shape of the upper and lower surfaces of a raw refractory brick, so as to achieve the purpose of changing the shape of the upper and lower surfaces of the raw refractory brick.
Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A hydraulic high-precision die sleeve capable of being opened and closed comprises a first hydraulic cylinder, a second hydraulic cylinder and a third hydraulic cylinder; the first hydraulic cylinder is fixedly arranged at the position, close to the rear end, of the left side face of the die sleeve, and the second hydraulic cylinder is fixedly arranged at the front side position of the first hydraulic cylinder; the hydraulic cylinder III is fixedly arranged in the middle of the front side surface of the die sleeve, and the hydraulic cylinder IV is fixedly arranged in the middle of the rear side surface of the die sleeve; the hydraulic cylinder V is fixedly arranged on the right side surface of the die sleeve and close to the rear end, and the hydraulic cylinder VI is fixedly arranged at the front side position of the hydraulic cylinder V; the method is characterized in that: guide posts are symmetrically arranged on the left side surface and the right side surface of the die sleeve around the first hydraulic cylinder, the second hydraulic cylinder, the fifth hydraulic cylinder and the sixth hydraulic cylinder up and down; guide columns are symmetrically arranged on the front side surface and the rear side surface of the die sleeve up and down around the hydraulic cylinder III and the hydraulic cylinder IV; the limiting bolts are symmetrically arranged at the left side and the right side of the hydraulic cylinder III and the hydraulic cylinder IV from top to bottom; the die sleeve is of a hollow tetragonal structure; the long moving plates are symmetrically arranged on the left inner side and the right inner side of the die sleeve, the height of the long moving plates is equal to that of the die sleeve, and the long moving plates are formed by fixedly combining two long moving plates together; the short movable plates are symmetrically arranged on the front inner side and the rear inner side of the die sleeve, the height of the short movable plates is equal to that of the die sleeve, and the short movable plates are formed by fixedly combining two short movable plates together; the long backing plate is arranged in the middle of the two long moving plates, and the short backing plate is arranged in the middle of the two short moving plates; the long mould is arranged on the inner side of the long moving plate, and the short mould is arranged on the inner side of the short moving plate; the bolt holes II are vertically symmetrically and fixedly arranged at the positions close to the left end and the right end of the short movable plate, the guide holes II are vertically symmetrically arranged at the upper position and the lower position of the long movable plate, and the guide holes II are horizontally symmetrically arranged at the left end and the right end of the short movable plate; the hydraulic cylinder mounting holes are symmetrically arranged in the left and right directions in the middle of the long movable plate, and the hydraulic cylinder mounting holes are arranged in the center of the short movable plate on the short movable plate; the fixing hole is arranged at the middle position between the upper part and the lower part of the long moving plate and the short moving plate.
2. The openable hydraulic high-precision die sleeve as claimed in claim 1, wherein: the first hydraulic cylinder, the second hydraulic cylinder, the fifth hydraulic cylinder and the sixth hydraulic cylinder are arranged on the left side surface and the right side surface of the die sleeve in a left-right corresponding mode; and the hydraulic cylinder III and the hydraulic cylinder IV are arranged on the front side surface and the rear side surface of the die sleeve in a front-back corresponding manner.
3. The openable hydraulic high-precision die sleeve as claimed in claim 1, wherein: the die sleeve comprises a die sleeve body, the die sleeve body is a square body with an upper opening and a lower opening, four stepped holes are correspondingly formed in the front and the rear of the left side surface and the right side surface of the die sleeve body, and four bolt holes I are fixedly formed in the front side surface and the rear side surface of the die sleeve body and are symmetrically formed in the up-and-down mode on two sides of the stepped holes in the front side surface and the rear side surface of the die sleeve body; six guide holes I are symmetrically formed in the left side surface and the right side surface of the die sleeve body from top to bottom, and four guide holes I are symmetrically formed in the front side surface and the rear side surface of the die sleeve body from top to bottom.
4. The openable hydraulic high-precision die sleeve as claimed in claim 2, wherein: the hydraulic cylinder I is fixedly arranged in a stepped hole close to the rear end on the left side surface of the die sleeve body, and the hydraulic cylinder II is fixedly arranged in a stepped hole close to the front end on the left side surface of the die sleeve body; the hydraulic cylinder III is arranged in a stepped hole in the center of the front side surface of the die sleeve body, and the hydraulic cylinder III is arranged in a stepped hole in the center of the rear side surface of the die sleeve body; the hydraulic cylinder V is installed in the stepped hole close to the rear end on the right side surface of the die sleeve body, and the hydraulic cylinder VI is installed in the stepped hole close to the front end on the right side surface of the die sleeve body; and telescopic rods of the hydraulic cylinder I, the hydraulic cylinder II, the hydraulic cylinder III, the hydraulic cylinder V and the hydraulic cylinder VI penetrate through the stepped hole of the die sleeve body and the hydraulic cylinder mounting hole of the long movable plate or the short movable plate to be fixedly connected with the center position of the outer side surface of the long die or the short die.
5. The openable hydraulic high-precision die sleeve as claimed in claim 1, wherein: six guide posts are symmetrically arranged on the left side surface and the right side surface of the die sleeve body from front to back up and down; four guide posts are symmetrically arranged on the front side surface and the rear side surface of the die sleeve body from left to right up and down; the guide posts are arranged in the guide holes I on the left side, the right side, the front side and the rear side of the die sleeve body and the guide Kong Erzhong on the long movable plate and the short movable plate; the outer end of the guide post extends to the outer side of the die sleeve body, and the inner end of the guide post is flush with the inner side faces of the long movable plate and the short movable plate and is fixedly connected with the outer side faces of the long die and the short die.
6. The openable hydraulic high-precision die sleeve as claimed in claim 1, wherein: the four limiting bolts are arranged close to the left side and the right side of the hydraulic cylinder III and the hydraulic cylinder IV and are arranged symmetrically up and down; and the limiting bolt is arranged in the bolt hole I of the die sleeve body and the bolt hole II of the short movable plate to screw and fixedly connect the die sleeve body and the short movable plate into a whole.
7. The openable hydraulic high-precision die sleeve as claimed in claim 3, wherein: the first bolt holes on the front side and the rear side of the die sleeve body are arranged in front-rear correspondence with the second bolt holes of the short movable plates; a first guide hole on the left side surface and a second guide hole on the right side surface of the die sleeve body are arranged in a left-right corresponding mode with a second guide hole on the long movable plate; the first guide hole on the front side surface and the second guide hole on the front side surface and the rear side surface of the die sleeve body are arranged in a front-back corresponding mode.
8. The openable hydraulic high-precision die sleeve as claimed in claim 1, wherein: the long die comprises a long die body, the long die body is in a cuboid shape, the mounting grooves are formed in the upper inner side and the lower inner side of the long die body and are in a flat-lying convex shape, the mounting grooves longitudinally penetrate through the long die body, and the fixing screw holes uniformly and transversely penetrate through the upper mounting grooves and the lower mounting grooves.
9. The openable hydraulic high-precision die sleeve as claimed in claim 1, wherein: the short die comprises a short die body and a cuboid short die body, and connecting screw holes are symmetrically formed in the upper middle and the lower middle of the short die body.
10. The method for adjusting the mold cavity and removing the mold for the openable and closable hydraulic high-precision mold sleeve according to claim 1, wherein: step one, determining a mold adjustment reference: after the die is installed, taking the center of a die sleeve on a press workbench as an adjusting reference; simultaneously, loosening and disassembling nuts on the limiting bolts on the front side surface and the rear side surface of the die sleeve; step two, adjusting the length and the width of the die cavity of the die: starting a hydraulic cylinder I, a hydraulic cylinder II, a hydraulic cylinder III, a hydraulic cylinder V and a hydraulic cylinder VI to start working, controlling the stroke amounts of the telescopic rods of the hydraulic cylinder I, the hydraulic cylinder II, the hydraulic cylinder III, the hydraulic cylinder V and the hydraulic cylinder VI according to the technological dimension of the refractory brick, and pushing long dies symmetrically arranged on the left and right and short dies symmetrically arranged in the front and back to move towards the center of the die sleeve body until the long dies are tightly attached and aligned to form a die cavity for forming the refractory brick blank through the stretching action of the telescopic rods of the hydraulic cylinder I, the hydraulic cylinder II, the hydraulic cylinder III, the hydraulic cylinder V and the hydraulic cylinder VI under the guiding match of the guide column; at the moment, the center of a die cavity formed by the long dies symmetrically arranged at the left and right sides and the short dies symmetrically arranged at the front and back sides coincides with the center of the die sleeve body of the die sleeve; step three, forming and demoulding of the fire-resistant green brick: after the die cavity adjustment in the second step is finished, the material distribution device automatically distributes materials to the long dies symmetrically arranged left and right and the short dies symmetrically arranged front and back, and the refractory brick blanks are formed by bidirectional extrusion molding of a press machine; after the refractory brick blank is formed, an upper hammer head of the press machine drives an upper die in the upper direction of a die sleeve to leave the upper part of a die cavity of the die sleeve, and meanwhile, telescopic rods of a hydraulic cylinder I, a hydraulic cylinder II, a hydraulic cylinder III, a hydraulic cylinder V and a hydraulic cylinder VI retract, so that the long die and the short die are restored to the states before size adjustment under the pulling of the retracting actions of the telescopic rods of the hydraulic cylinder I, the hydraulic cylinder II, the hydraulic cylinder III, the hydraulic cylinder V and the hydraulic cylinder VI; the lower hammer and the lower die which are positioned at the lower part of the press machine eject the formed refractory brick blank from the upper part of the die cavity of the die sleeve, so that zero-friction demoulding of the refractory brick blank is realized.
CN202211098660.9A 2022-09-09 2022-09-09 Hydraulic high-precision die sleeve capable of being opened and closed Pending CN115319897A (en)

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CN202211098660.9A CN115319897A (en) 2022-09-09 2022-09-09 Hydraulic high-precision die sleeve capable of being opened and closed

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Citations (6)

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CN214136547U (en) * 2020-10-26 2021-09-07 洛阳迈乐耐火材料有限公司 Machine pressing forming die for refractory bricks
CN217257061U (en) * 2022-01-20 2022-08-23 襄阳凌霄模具有限公司 Use convenient mould assembly for spot facing brick processing

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006100693A1 (en) * 2005-03-23 2006-09-28 Throtabu Geca Hf. Method and apparatus for manufacturing hollow board structures
CN201645623U (en) * 2009-12-30 2010-11-24 淄博地永耐火材料有限公司 Fully-automatic universal forming die for special-shaped refractory bricks
CN206796116U (en) * 2017-05-01 2017-12-26 佛山市顺德区乐从镇迅发陶瓷机械制造有限公司 A kind of adobe forming mould simple in construction
CN214136547U (en) * 2020-10-26 2021-09-07 洛阳迈乐耐火材料有限公司 Machine pressing forming die for refractory bricks
CN112428393A (en) * 2020-12-04 2021-03-02 洛阳戴梦特智能装备制造有限公司 Combined die for refractory material production
CN217257061U (en) * 2022-01-20 2022-08-23 襄阳凌霄模具有限公司 Use convenient mould assembly for spot facing brick processing

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