CN213256969U

CN213256969U - Novel investment casting sand shell is dry device

Info

Publication number: CN213256969U
Application number: CN202021867057.9U
Authority: CN
Inventors: 裴桂才; 裴嘉麟; 裴嘉瑶
Original assignee: Tianjin Zhuxing Metal Products Co ltd
Current assignee: Tianjin Zhuxing Metal Products Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-05-25
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a novel investment casting shell is dry device, including the casing, the casing is provided with the square mouth on cavity cuboid structure and a set of opposite face, and the fixed guard plate that is provided with of casing internal side wall lower part level lies in guard plate top level fixed stop on the casing internal side wall, lies in on the casing internal side wall to fix between baffle and the guard plate and sets up multiunit temperature probe, and the fixed slide rail that sets up in baffle bottom. The utility model has the advantages that the slide block is enabled to move directionally along the slide rail by arranging the driving motor, the driving wheel, the slide rail, the slide block and the connecting rod, the wax pattern is conveniently conveyed to the inside of the equipment for drying treatment, the heating pipe, the fan, the people measuring probe and the controller are arranged to realize the control of the working quantity of the heating pipe and the fan, and the situation that the wax pattern is melted due to overhigh temperature or the drying effect is poor due to overlow temperature is prevented; the whole equipment has the advantages of simple structure, convenient maintenance and the like.

Description

Novel investment casting sand shell is dry device

Technical Field

The utility model belongs to the technical field of the investment drying, especially, relate to a novel investment casting shell is dry device.

Background

In the field of investment precision casting, the selected investment is generally paraffin, the melting temperature of the investment is 60-70 ℃, after a wax pattern is externally hung with a shell, the shell needs to be dried, then the shell is put into a hardening pool for hardening treatment, and finally the wax pattern needs to be melted, namely the lost wax treatment, the process generally comprises the steps of putting a sand-hung model into a hot water pool to melt the paraffin, then taking the shell out for post treatment, and the treatment process comprises the steps of drying the shell and then roasting at high temperature.

After the wax mold is externally hung with the sand shell, the shell needs to be naturally dried before entering a hardening pool, so that the shell can be compact and the surface of the casting is smooth, but the influence of the environmental temperature is large, the general heating device generally adopts integral heating, so that the wax mold is easy to soften and deform, the casting is deformed and scrapped, and the problem needs to be solved by the investment drying device.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a novel investment casting shell is dry device, especially is fit for the drying process to the wax matrix before getting into the sclerosis pond.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a novel drying device for investment casting sand shells comprises a shell, wherein the shell is of a hollow cuboid structure, square openings are formed in a group of opposite surfaces, a protection plate is horizontally and fixedly arranged at the lower part of the inner side wall of the shell, a horizontal fixing baffle plate is arranged above the protection plate on the inner side wall of the shell, a plurality of groups of temperature measuring probes are fixedly arranged between the baffle plate and the protection plate on one side wall of the inner side of the shell, a slide rail is fixedly arranged at the bottom of the baffle plate, one end of the slide rail is arranged at the outer side of the shell, a fixing block is fixedly arranged on the side wall of the shell, a driving motor is vertically fixed on the fixing block, the bottom output end of the driving motor is fixedly connected with a driving wheel, a groove is vertically formed in the side wall of the driving wheel, a plurality of slide blocks are slidably, the arc length between two adjacent grooves on the driving wheel is the same as the length of the connecting rod, the top of the baffle is positioned at the inner side of the shell and vertically fixes a plurality of baffles, the baffles are evenly divided by the baffles, the two sides of each baffle are provided with heat preservation layers in an attaching way, the side wall of the shell is positioned at the upper part of the heat preservation layer and horizontally provided with a support, the top of the shell is positioned at the upper part of the middle part of the support and is provided with an air inlet, the center of the top of the support is positioned at the inner side of the air inlet and is fixedly provided with a fan, the side wall of the shell is positioned between the support and the baffles and is horizontally provided with a plurality of heating pipes, the two ends of the heating pipes penetrate through the heat preservation layer and are fixedly connected with the shell, the side wall of the shell is positioned at the outer, the controller is respectively electrically connected with the driving motor, the fan, the heating pipe and the temperature measuring probe.

Preferably: the fixed block is fixedly connected with the side wall of the shell through an adjusting bolt.

So set up, can adjust driving motor's position, be convenient for remove the cunning in the slide rail.

Preferably: the heat insulation curtain is rotatably connected with the side wall of the shell through a rotating shaft.

So set up, can prevent that the heat from scattering and disappearing, prevent that external temperature from influencing drying effect and be convenient for open.

Preferably: the connecting rods between the two adjacent sliding blocks are the same in length, and the connecting rods are made of rubber.

So set up, can prevent that the distance ratio between each other of mould from causing the damage to be convenient for the drive wheel to remove the slider simultaneously closely mutual collision.

Preferably: the top of the shell is positioned outside the air inlet, a grid is fixedly arranged on the top of the shell, and the grid is fixedly connected with the top of the shell through bolts.

By the arrangement, the sundries are prevented from falling into the equipment and damaging the equipment, so that the production and the processing are prevented from being influenced.

The utility model has the advantages and positive effects that:

the utility model discloses a setting up driving motor, drive wheel, slide rail, slider and connecting rod and making the slider move along the slide rail orientation, being convenient for carry the wax matrix to equipment inside and carry out drying process, setting up heating pipe, fan, survey people's probe and controller and having realized the control to heating pipe and fan work quantity, prevent that the high temperature leads to the wax matrix to melt or the temperature low temperature when the condition that drying effect is not good, owing to adopt above-mentioned technical scheme, make the wax matrix dry more high-efficiently; the whole equipment has the advantages of simple structure, convenient maintenance and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is an isometric view of a novel investment casting shell drying apparatus according to the present invention;

FIG. 2 is a sectional view of the novel investment casting shell drying apparatus of the present invention;

FIG. 3 is a bottom cross-sectional view of the novel investment casting shell drying apparatus of the present invention;

FIG. 4 is an internal structural view of the novel investment casting shell drying apparatus of the present invention;

fig. 5 is the enlarged view of the structure at the position A of the novel drying device for investment casting sand shell.

The reference numerals are explained below:

1. a housing; 2. a partition plate; 3. a heat-insulating layer; 4. heating a tube; 5. a fan; 6. a slide rail; 7. a slider; 8. a through hole; 9. a connecting rod; 10. a drive motor; 11. a drive wheel; 12. a protection plate; 13. a baffle plate; 14. an air outlet; 15. a support; 16. an air inlet; 17. a rotating shaft; 18. a thermal insulation curtain; 19. a controller; 20. a fixed block; 21. adjusting the bolt; 22. a grid; 23. a groove; 24. a temperature measuring probe.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

example 1

As shown in figures 1-5, a novel investment casting sand shell drying device comprises a shell 1, wherein the shell 1 is a hollow cuboid structure, a group of opposite surfaces are provided with square openings, a protection plate 13 is horizontally and fixedly arranged at the lower part of the inner side wall of the shell 1, a horizontal fixed baffle plate 12 is arranged above the protection plate 13 on the inner side wall of the shell 1, a plurality of groups of temperature probes 24 are fixedly arranged between the baffle plate 12 and the protection plate 13 on one side wall of the inner side of the shell 1, a slide rail 6 is fixedly arranged at the bottom of the baffle plate 12, one end of the slide rail 6 is arranged at the outer side of the shell 1, a fixed block 20 is fixedly arranged on the side wall of the shell 1, a driving motor 10 is vertically fixed by the fixed block 20, the output end at the bottom of the driving motor 10 is fixedly connected with a driving wheel 11, a groove 23 is vertically arranged on the side wall of the, the arc length between two adjacent grooves 23 on the driving wheel 11 is the same as the length of the connecting rod 9, the top of the baffle plate 12 is positioned at the inner side of the shell 1 and vertically fixes a plurality of baffle plates 2, the baffle plates 2 evenly divide the baffle plate 12, the two sides of each baffle plate 2 are provided with heat preservation layers 3 in an attaching way, the side wall of the shell 1 is horizontally provided with a support at the upper part of the heat preservation layer 3, the top of the shell 1 is positioned above the middle part of the support and is provided with an air inlet 15, the center of the top of the support is positioned at the inner side of the air inlet 15 and is fixedly provided with a fan 5, the side wall of the shell 1 is horizontally provided with a plurality of heating pipes 4 between the support and the baffle plate 12, the two ends of the heating pipes 4 penetrate through the heat preservation layer 3 and are fixedly connected with the shell 1, the, the controller 19 is electrically connected with the driving motor 10, the fan 5, the heating pipe 4 and the temperature measuring probe 24 respectively.

The working process of the embodiment: an operator hangs the wax pattern with sand hanging on the sliding block 7 through the through hole 8, sets a drying temperature value according to the external environment temperature and the melting temperature of the wax pattern, starts the driving motor 10 to enable the driving wheel 11 to rotate to drive the sliding block 7 to slide in the sliding rail 6, conveys the wax pattern which is hung on the outside and is not dried and hardened to the inside of the equipment for drying treatment, starts the heating pipes 4 and the fans 5 with corresponding quantity according to the requirement and the external environment temperature, forms a heating area and a cold air area inside the equipment, the mould is heated and dried, and simultaneously, the paraffin wax is prevented from melting due to overhigh temperature to cause the deformation of a sand shell, the protective plate 13 can prevent the unhardened and firmly bonded quartz sand on the wax mould from falling into the air outlet 14 to cause the damage, and cleaning is convenient, the connecting rod 9 prevents the wax molds from being damaged by collision due to the fact that the distance between the wax molds is short when the wax molds move, and meanwhile, the driving wheel 11 is convenient to move the sliding block 7.

Preferably: fixed block 20 passes through adjusting bolt 21 fixed connection with casing 1 lateral wall, can adjust driving motor 10's position, be convenient for move the slip in the slide rail 6, thermal-insulated curtain 18 rotates through pivot 17 with casing 1 lateral wall to be connected, can prevent that the heat from scattering and disappearing, prevent that external temperature from influencing drying effect and be convenient for open, connecting rod 9 length between two adjacent sliders 7 is the same, the material of connecting rod 9 is rubber, can prevent that the distance between each other is close collides each other and causes the damage simultaneously and be convenient for drive wheel 11 to remove slider 7, casing 1 top is located the fixed grid 22 that is provided with in the air intake 15 outside, grid 22 passes through bolt fixed connection with casing 1 top, prevent that debris from falling into equipment and damaging in one-tenth equipment, influence production and processing.

While one embodiment of the present invention has been described in detail, the present invention is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a novel investment casting shell is dry device, includes casing (1), casing (1) is provided with square opening, its characterized in that on cavity cuboid structure and a set of opposite face: the protective plate (13) is horizontally and fixedly arranged on the lower portion of the inner side wall of the shell (1), a plurality of groups of temperature measuring probes (24) are fixedly arranged on the inner side wall of the shell (1) and positioned above the protective plate (13), slide rails (6) are fixedly arranged at the bottom of the protective plate (13), one ends of the slide rails (6) are positioned on the outer side of the shell (1), fixed blocks (20) are fixedly arranged on the side wall of the shell (1), a driving motor (10) is vertically fixed by the fixed blocks (20), the output end at the bottom of the driving motor (10) is fixedly connected with a driving wheel (11), grooves (23) are vertically arranged on the side wall of the driving wheel (11), a plurality of sliding blocks (7) are arranged on the inner side of the slide rails (6) in a sliding manner, and the sliding blocks (7) are matched with the grooves (23), the lower part of the side wall of the sliding block (7) is provided with a through hole (8) in a penetrating manner, two adjacent sliding blocks (7) are rotatably provided with a connecting rod (9), two adjacent grooves (23) on the driving wheel (11) are provided with arc lengths the same as the length of the connecting rod (9), the top of the baffle (12) is positioned on the inner side of the shell (1) to vertically fix a plurality of baffles (2) and the baffles (2) are uniformly divided into equal parts, each baffle (2) is provided with a heat-insulating layer (3) in a laminating manner on two sides, the side wall of the shell (1) is positioned on a support horizontally arranged on the upper part of the heat-insulating layer (3), the top of the shell (1) is positioned above the middle part of the support and is provided with an air inlet (15), the center of the top of the support is positioned on the inner side of the air inlet (15) to fixedly provide a fan (5), and the side wall of, the heating pipe (4) both ends are run through heat preservation (3) with casing (1) fixed connection, lie in on the casing (1) lateral wall square opening outside is rotated and is set up thermal-insulated curtain (18), casing (1) lateral wall middle part is fixed and is set up controller (19), casing (1) lateral wall lower part is located protection plate (13) below is provided with air outlet (14), controller (19) respectively with driving motor (10), fan (5) heating pipe (4) with temperature probe (24) electricity is connected.

2. The novel investment casting shell drying device of claim 1, wherein: the fixed block (20) is fixedly connected with the side wall of the shell (1) through an adjusting bolt (21).

3. The novel investment casting shell drying device of claim 1, wherein: the heat insulation curtain (18) is rotatably connected with the side wall of the shell (1) through a rotating shaft (17).

4. The novel investment casting shell drying device of claim 1, wherein: the connecting rods (9) between the two adjacent sliding blocks (7) are the same in length, and the connecting rods (9) are made of rubber.

5. The novel investment casting shell drying device of claim 1, wherein: the top of the shell (1) is positioned outside the air inlet (15) and is fixedly provided with a grid (22), and the grid (22) is fixedly connected with the top of the shell (1) through a bolt.