CN217752372U

CN217752372U - Convenient-to-pour-and-demould die for refractory part

Info

Publication number: CN217752372U
Application number: CN202221830741.9U
Authority: CN
Inventors: 沈鸿
Original assignee: Ningbo Honglan Machinery Technology Co ltd
Current assignee: Ningbo Honglan Machinery Technology Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-11-08
Anticipated expiration: 2032-07-15

Abstract

The utility model relates to a refractory material drawing of patterns technical field, and a refractory material part is pour and is just demoulded mould is disclosed, which comprises a substrate, well mould, first lift and second lift, the upside at the base plate is installed to first lift, the base plate upside is provided with the working plate, the lower bolster is installed to the working plate inboard, the flexible end of first lift is connected with well mould, well mould sets up to hard skeleton silica gel mould, well mould slidable mounting is at the upside of lower bolster, the frame is installed to working plate lateral part, the second lift is installed at the frame lateral part, the cope match-plate pattern is installed to second lift bottom, cope match-plate pattern slidable mounting is directly over well mould, this scheme can accomplish the drawing of patterns under the unmovable condition of a pouring piece, reduce the production of stress as far as possible, improve the protection to pouring the piece, and well mould sets up to bakelite skeleton silica gel mould, certain elasticity modulus has, and has high stability, the production of the vibration crackle of drawing of patterns has been reduced as far as possible, improve the quality of refractory material part.

Description

Convenient-to-pour-and-demould die for refractory part

Technical Field

The utility model relates to a refractory material drawing of patterns technical field specifically is a refractory material part is pour and is just demould die.

Background

The refractory industry is an important basic industry serving high-temperature technology, and when the long and thin cast refractory part with the length-width ratio of 12 is encountered in an outdoor wood burning furnace project, the thickness of the part is only 26mm, and the bending strength of only 5Mpa can be enhanced by using a conventional means of a traditional process. However, the flexural strength of the steel plate is required to be more than 10Mpa under the working condition of use, so that an effective reinforcing way needs to be found under the precondition that the shape and the size of the section are not changed. When the refractory material part is produced, a corresponding mold is needed for pouring, and demolding is needed after the pouring of the mold is completed.

Most of the moulds at the present stage are metal moulds, but the raw materials of the refractory material are powder materials, in the powder forming process, under the action of internal friction and external friction, the powder body flows in a columnar shape during pressing to cause uneven density distribution of a blank body, the uneven density distribution of the blank body causes different bonding strengths among powder particles of each part of the blank body, in the pressing stage, the powder particle deformation comprises elastic deformation and plastic deformation, and when the pressing and demolding stage are carried out along with the completion of the pressing, each part expands differently due to elastic recovery in the constraint relieving process, if the local tension exceeds the bonding strength among the powder particles, cracks can be generated, and the cracks can influence the quality of the refractory material parts, so that the flexural strength of the refractory material parts cannot reach the standard; therefore, the existing requirements are not met, and a mold which is convenient for pouring the refractory part and demolding is provided for the refractory part.

SUMMERY OF THE UTILITY MODEL

The utility model provides a refractory material part is pour just drawing of patterns mould, the beneficial effect who possesses, the mould of the present stage of having solved mentioning in the above-mentioned background art is mostly metal mold, but its raw materials of refractory material are the powder, when getting into the drawing of patterns stage, because the restraint is relieved in-process elastic recovery and is made each part inflation different, if local tension surpasses the joint strength between the powder granule, will produce the crackle, this kind of crackle can influence the problem of the quality of refractory material part.

The utility model provides a following technical scheme: the utility model provides a refractory material part pours just drawing of patterns mould, includes base plate, well mould, first piece and the second piece that goes up and down, and first piece that goes up and down is installed the upside of base plate, the base plate upside is provided with the working plate, the lower bolster is installed to the working plate inboard, the flexible end of first piece that goes up and down with well mould is connected, well mould sets up to hard skeleton silica gel mould, well mould slidable mounting is in the upside of lower bolster, the frame is installed to working plate lateral part, the second piece that goes up and down is installed the frame lateral part, cope match-plate pattern is installed to second piece bottom that goes up and down, cope match-plate pattern slidable mounting be in directly over well mould.

As a refractory part pour just drawing of patterns mould alternative, wherein: the middle die is a die frame which takes bakelite as a framework and is filled with silica gel, the middle part of the middle die is provided with a plurality of die cavities, and the die cavities correspond to the lower die plate.

As a refractory material part pour just drawing of patterns mould alternative, wherein: the end part of the telescopic end of the first lifting piece is provided with a punch, the punch is connected with the working plate in an inserting mode, and the punch is in contact with the bottom of the middle die.

As a refractory part pour just drawing of patterns mould alternative, wherein: the locating plate is installed to the base plate upside, the locating plate sets up to the vertical rectangular plate of seting up a plurality of through-holes, the flexible end of first lift piece with the locating plate interlude is connected.

As a refractory material part pour just drawing of patterns mould alternative, wherein: and a limiting plate is arranged on the upper side of the working plate, and the limiting plate is in sliding fit with the side wall of the middle mold.

As a refractory part pour just drawing of patterns mould alternative, wherein: the lower template is embedded in the middle of the working plate, the bottom of the lower template is connected with a support, and the bottom of the support is installed on the upper side of the positioning plate.

As a refractory part pour just drawing of patterns mould alternative, wherein: the first lifting piece is set to be a hydraulic cylinder, and the second lifting piece is set to be a hydraulic cylinder.

The utility model discloses possess following beneficial effect:

1. this refractory material part pours convenient drawing of patterns mould, with the mould split into well mould and lower bolster, during the drawing of patterns, first lifter pushes up well mould earlier, make to pour a separation with well mould, then second lifter drives the cope match-plate pattern and shifts up, make to pour a separation with the cope match-plate pattern, thereby can pour the unmovable condition of a completion drawing of patterns, reduce the production of stress as far as possible, improve the protection to pouring, and well mould sets up to bakelite skeleton silica gel mould, silica gel is compared in traditional metal mold, certain elasticity modulus has, and has high stability, can not use the release agent to accomplish the drawing of patterns, thereby the vibration crackle's of drawing of patterns production has been reduced as far as possible, improve the quality of refractory material part.

2. This refractory material part is pour and is just demoulded mould, through the setting of locating plate, can calibrate the removal of the flexible end of first lift locating plate, ensures that the drift moves from top to bottom to improve the accuracy that the mould removed, reduce the production of stress.

3. This refractory material part is pour and is just demoulded mould, through the setting of limiting plate, the restriction of position is carried out to two directions of centering mould to accuracy when further improving the removal of middle mould reduces the production of stress.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the three-dimensional explosion structure of the present invention.

Fig. 3 is a schematic view of the structure of the present invention.

Fig. 4 is a schematic view of the cross-sectional structure of the present invention.

Fig. 5 is a schematic side view of the cross-sectional structure of the present invention.

Fig. 6 is a schematic view of the structure of the demolding section of the present invention.

In the figure: 110. a substrate; 120. a working plate; 130. a frame; 140. a first lifting member; 150. a second lifting member; 160. a lower template; 170. a middle die; 180. mounting a template; 190. a limiting plate; 200. a mold cavity; 210. a pillar; 220. a punch; 230. and (7) positioning the plate.

Detailed Description

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

Example 1

In this embodiment, it is intended to facilitate solving the problem that most of the molds in the current stage are metal molds, but the refractory material is made of powder, and when the refractory material enters the demolding stage, the parts expand differently due to elastic recovery in the constraint releasing process, and if the local tension exceeds the connection strength between powder particles, a crack may be generated, and the quality of the refractory material part may be affected by the crack, as shown in fig. 1, fig. 2, fig. 3, and fig. 6, a demolding mold for pouring the refractory material part includes a base plate 110, a middle mold 170, a first lifting member 140, and a second lifting member 150, where the base plate 110 is a stainless steel rectangular plate, as shown in fig. 1, the first lifting member 140 is installed on the upper side of the base plate 110, an operating plate 120 is provided on the upper side of the base plate 110, a lower mold 160 is installed on the inner side of the operating plate 120, a telescopic end of the first lifting member 140 is connected to the middle mold 170, the middle mold 170 is a rigid frame silicone gel mold, the middle mold 170 is installed on the upper side of the lower mold 160, a frame is installed on the operating plate 120, a frame 130 is installed on the operating plate 120 through screws, and the frame 130 is installed on the operating plate 120 through screws. The second lifter 150 is installed at a side portion of the frame 130, an upper mold plate 180 is installed at a bottom portion of the second lifter 150, and the upper mold plate 180 is slidably installed right above the middle mold 170.

When the method is specifically set, the middle mold 170 is a mold frame which takes bakelite as a framework and is filled with silica gel, the bakelite is characterized by no water absorption, no conduction, high temperature resistance, high strength and stronger stability, and the silica gel can keep elasticity for a long time within the temperature range of minus 65-200 ℃ after being heated and cured, has excellent electrical property and chemical stability, water resistance, ozone resistance, weather aging resistance, hydrophobicity, moisture resistance, shock resistance and no corrosion, and the middle mold 170 which takes bakelite as a framework and is filled with silica gel can ensure the stability of the shape of the mold and also have certain elastic modulus. Referring to fig. 2, the middle mold 170 is provided with a plurality of mold cavities 200 at the middle portion, and the mold cavities 200 correspond to the lower mold plate 160. The lower template 160 is embedded in the middle of the working plate 120, the bottom of the lower template 160 is connected with a support column 210, the bottom of the support column 210 is installed on the upper side of the positioning plate 230, and the support column 210 provides stable support for the lower template 160.

Referring to fig. 3, a punch 220 is installed at an end of the telescopic end of the first elevating member 140, the punch 220 is penetratingly connected to the work plate 120, and the punch 220 is in contact with a bottom of the middle mold 170. The first lifting member 140 is configured as a hydraulic cylinder, and the second lifting member 150 is configured as a hydraulic cylinder, it should be noted that the first lifting member 140 and the second lifting member 150 may also be configured as a pneumatic cylinder or an electric telescopic rod.

In this embodiment: as shown in fig. 6, during demolding, the first lifting member 140 firstly pushes the middle mold 170 upwards to separate the casting from the middle mold 170, and then the second lifting member 150 drives the upper mold plate 180 to move upwards to separate the casting from the upper mold plate 180, so that demolding can be completed without moving the casting, stress generation is reduced as much as possible, and protection of the casting is improved.

Example 2

The embodiment aims at solving the problem that the middle mold 170 cannot deviate when moving up and down, otherwise, adverse effects can be caused on a casting part, and the embodiment is an improvement made on the basis of embodiment 1, specifically, please refer to fig. 5, a positioning plate 230 is installed on the upper side of the base plate 110, the positioning plate 230 is a rectangular plate vertically provided with a plurality of through holes, and the telescopic end of the first lifting part 140 is inserted and connected with the positioning plate 230 to limit the displacement of the telescopic end of the first lifting part 140.

In this embodiment: through the arrangement of the positioning plate 230, the movement of the telescopic end of the first lifting member 140 can be calibrated, and the punch 220 can move vertically, vertically and downwardly, so that the movement accuracy of the middle die 170 is improved, and the generation of stress is reduced.

Example 3

The embodiment is intended to promote and solve the problem that the middle mold 170 cannot deviate when moving up and down, otherwise, the pouring part is adversely affected, and the embodiment is an improvement made on the basis of embodiment 2, specifically, please refer to fig. 2 and fig. 3, a limiting plate 190 is installed on the upper side of the working plate 120, the limiting plate 190 is provided as two rectangular strips perpendicular to each other, and the limiting plate 190 is in sliding fit with the side wall of the middle mold 170 to limit the displacement thereof.

In this embodiment: the position of the middle mold 170 is restricted in two directions by the limit plate 190, so that the accuracy of the movement of the middle mold 170 is further improved, and the generation of stress is reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A refractory part pouring and demolding-convenient mold comprises a base plate (110), a middle mold (170), a first lifting piece (140) and a second lifting piece (150), wherein the first lifting piece (140) is installed on the upper side of the base plate (110), and the refractory part pouring and demolding-convenient mold is characterized in that: base plate (110) upside is provided with work board (120), lower bolster (160) are installed to work board (120) inboard, the flexible end of first lifter (140) with well mould (170) are connected, well mould (170) set up to hard skeleton silica gel mould, well mould (170) slidable mounting in the upside of lower bolster (160), frame (130) are installed to work board (120) lateral part, second lifter (150) are installed frame (130) lateral part, cope match-plate pattern (180) are installed to second lifter (150) bottom, cope match-plate pattern (180) slidable mounting be in directly over well mould (170).

2. The refractory part pouring demolding-convenient mold according to claim 1, characterized in that: the middle die (170) is a die frame which takes bakelite as a framework and is filled with silicone gel, the middle part of the middle die (170) is provided with a plurality of die cavities (200), and the die cavities (200) correspond to the lower die plate (160).

3. The refractory part pouring demolding-convenient mold according to claim 1, characterized in that: a punch (220) is installed at the end part of the telescopic end of the first lifting piece (140), the punch (220) is connected with the working plate (120) in a penetrating mode, and the punch (220) is in contact with the bottom of the middle die (170).

4. The refractory part pouring demolding-convenient mold according to claim 1, characterized in that: locating plate (230) are installed to base plate (110) upside, locating plate (230) set up to the vertical rectangular plate of seting up a plurality of through-holes, the flexible end of first lifting member (140) with locating plate (230) alternate the connection.

5. The refractory part pouring demolding-convenient mold according to claim 1, characterized in that: and a limiting plate (190) is arranged on the upper side of the working plate (120), and the limiting plate (190) is in sliding fit with the side wall of the middle mold (170).

6. The mold for pouring and demolding a refractory part according to claim 4, wherein: the lower template (160) is embedded in the middle of the working plate (120), the bottom of the lower template (160) is connected with a support column (210), and the bottom of the support column (210) is installed on the upper side of the positioning plate (230).

7. The refractory part pouring demolding-convenient mold according to claim 1, characterized in that: the first lifting member (140) is configured as a hydraulic cylinder, and the second lifting member (150) is configured as a hydraulic cylinder.