Roasting equipment for wax mold casting

Abstract

The utility model relates to the technical field of precision casting, in particular to roasting equipment for casting a wax mould, which can rotate a mould shell and uniformly heat the mould shell when roasting the mould shell, improves the roasting effect, and is convenient to use and high in practicability. Comprising a bottom plate, a support, a roasting box and a sealing cover, the roasting box is fixedly installed at the upper end of the bottom plate through the support, a cavity is formed in the roasting box, an opening communicated with the cavity is formed in the left portion of the roasting box, and the sealing cover is installed on the outer side of the opening; the device further comprises a circular ring, a rotating mechanism and a heating mechanism, the circular ring is installed on the rotating mechanism, the rotating mechanism is used for rotating the circular ring, the circular ring is located in the cavity of the roasting box, and the heating mechanism is installed in the cavity of the roasting box and has a heating function.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of precision casting, in particular to a wax mould foundry uses calcination equipment. BACKGROUND

[0002] Wax mould casting belongs to one kind of precision casting, also called medium temperature wax casting. Its principle is that first wax is shot into a mould to produce a wax piece of a product, then the wax piece is transferred to a shell making process, so that the shell making powder is bonded and fixed on the surface of the wax piece, and then a shell is produced, then the shell containing the wax piece is transferred to a dewaxing machine to heat, so that the wax piece in the shell melts and flows out, then the shell after calcination is taken out of the calcination device, and the molten metal enters the shell through the pouring cup at the upper end of the shell, so that the molten metal cools and forms a workpiece in the shell, then the shell is vibrated on the surface of the workpiece through a shell vibrating process, and then the workpiece is obtained; wherein the calcination device is an important device in wax mould casting. In the prior art, a kind of investment casting calcination furnace with patent application number 202222990827.4 is mainly composed of furnace body, furnace door and placing seat, and the placing seat is located in the furnace body; when in use, the shell to be calcined is placed on the placing seat in the furnace body, then the electric heating device in the furnace body is opened to heat and calcine the shell; however, the following problems exist in the use process, since the shell is fixed during calcination, it cannot be uniformly heated and raised in temperature by the electric heating device in the furnace body during calcination, which easily leads to uneven heating, poor calcination effect, and affects subsequent pouring, so a calcination device that can uniformly heat the shell is needed. CONTENT OF THE UTILITY MODEL

[0003] To solve the above technical problems, the utility model provides a wax mould foundry calcination equipment that can rotate the shell during calcination, uniformly heat the shell, improve the calcination effect, is convenient to use, and has high practicality.

[0004] The utility model discloses a wax mould foundry is with calcination equipment, including bottom plate, support, calcination box and sealing cover, and the upper end of bottom plate is fixedly installed through the support of calcination box, is provided with the chamber in the calcination box, and the left part of calcination box is provided with the opening of chamber intercommunication, and the sealing cover is installed in the outside of opening, still including ring, rotating mechanism and heating mechanism, and the ring is installed on rotating mechanism, and rotating mechanism is used for rotating to ring, and the ring is located in the chamber of calcination box, and heating mechanism is installed in the chamber of calcination box, and heating mechanism has the function of heating, when needing to calcine the shell when wax mould foundry, first open the sealing cover, then evenly place multiple shells that need to calcine on the ring, then close the sealing cover, then open heating mechanism, make heating mechanism calcine the shell in the chamber of calcination box, make the moisture in shell evaporate, improve the temperature of shell, increase the aeration of shell, and make rotating mechanism drive ring rotation while heating the shell, and the shell is driven to rotate by ring, make the shell be evenly heated calcination in the chamber of calcination box, until the shell is calcined, open the sealing cover, and the shell after calcination is taken out in calcination box and pours into just can, when calcining the shell, can make the shell rotate, make the shell be evenly heated, improve the effect of calcination, convenient to use, and practicality is high.

[0005] Preferably, the rotating mechanism includes a driving mechanism, a connecting frame, and a support shaft, the connecting frame is fixedly installed at the lower end of the ring, the support shaft is fixedly installed at the lower end of the connecting frame, the support shaft is rotatably installed on the calcination box and the bottom plate, and the driving mechanism is used to drive the support shaft to rotate; when the multiple shells are placed on the ring to be calcined, the driving mechanism is opened, the support shaft drives the connecting frame and the ring to rotate, and then the multiple shells on the ring are rotated, so that the multiple shells are evenly calcined and heated, and the effect of calcining the shells is improved.

[0006] Preferably, the driving mechanism includes a bevel gear A, a bevel gear B, a driving shaft, a fixed plate, and a driving motor, the bevel gear A is fixedly sleeved on the support shaft, the bevel gear A is engaged with the bevel gear B, the bevel gear B is fixedly installed on the driving shaft, the driving shaft is rotatably installed on the fixed plate, the input end of the driving shaft is connected with the driving motor, and the fixed plate and the driving motor are fixedly installed on the bottom plate; when the support shaft is driven to rotate, the driving motor is opened, the driving motor drives the bevel gear B to drive the bevel gear A to rotate through the driving shaft, the bevel gear A drives the support shaft to rotate, and then the connecting frame drives the ring to rotate; the rotation of the ring is facilitated; and the heat transfer from the driving shaft to the driving motor is reduced by arranging the heat insulation block on the input end of the driving shaft.

[0007] Preferably, the heating mechanism comprises two groups of base plates, a mounting plate, a fixed column and a plurality of tungsten heating rods, the two groups of base plates are respectively installed at the left and right ends of the baking box chamber, the tungsten heating rods are installed on the two groups of base plates, the mounting plate is fixedly installed at the upper end of the support chamber, the fixed column is fixedly installed at the lower end of the mounting plate, and the plurality of tungsten heating rods are circumferentially arranged on the fixed column; when the mold shell placed on the circular ring is heated, the tungsten heating rods on the two groups of base plates are turned on at the same time, and the plurality of tungsten heating rods on the fixed column are turned on, so that the mold shell on the circular ring is uniformly heated and baked.

[0008] Preferably, the baking box further comprises a hydraulic cylinder, a push rod and a lifting plate, a foundation pit is arranged on the bottom plate, the hydraulic cylinder is installed in the foundation pit, the output end of the hydraulic cylinder is provided with the push rod, the lifting plate is installed at the upper end of the push rod, and the lifting plate is located at the front side of the baking box; when the mold shell needs to be placed into the baking box, the mold shell is first placed on the lifting plate, then the push rod drives the lifting plate to ascend through the hydraulic cylinder, the lifting plate drives the mold shell to ascend to the height consistent with the opening of the baking box, and then the mold shell is taken off from the lifting plate and placed on the circular ring.

[0009] Preferably, a temperature table is arranged on the baking box; through the above arrangement, the temperature in the baking box chamber is conveniently monitored.

[0010] Preferably, a protective cover is arranged on the driving motor.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: when the mold shell is baked, the mold shell can be rotated, the mold shell is uniformly heated, the baking effect is improved, the utility model is convenient to use and has high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a sectional view of the utility model;

[0013] Figure 2 is an axonometric view of the utility model;

[0014] Figure 3 is a structural schematic view of the hydraulic cylinder, the push rod and the lifting plate;

[0015] Figure 4 is a structural schematic view of the base plate, the tungsten heating rod and the support shaft;

[0016] Figure 5 is Figure 4 is a structural schematic view of the local amplification of A in the figure.

[0017] Marked in the drawing: 1, bottom plate; 2, support; 3, baking box; 4, sealing cover; 5, ring; 6, connecting frame; 7, support shaft; 8, bevel gear A; 9, bevel gear B; 10, drive shaft; 11, fixed plate; 12, drive motor; 13, mounting plate; 14, fixed column; 15, tungsten heating rod; 16, base plate; 17, hydraulic cylinder; 18, push rod; 19, lifting plate. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. The present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0019] Example 1

[0020] As Figures 1 to 5 , the wax mold casting baking equipment includes a bottom plate 1, a support 2, a baking box 3, a sealing cover 4, a ring 5, a rotating mechanism and a heating mechanism, the baking box 3 is fixedly installed on the upper end of the bottom plate 1 through the support 2, a cavity is arranged in the baking box 3, an opening communicating with the cavity is arranged on the left part of the baking box 3, the sealing cover 4 is installed on the outside of the opening, the ring 5 is installed on the rotating mechanism, the rotating mechanism is used for rotating the ring 5, the ring 5 is located in the cavity of the baking box 3, and the heating mechanism is installed in the cavity of the baking box 3. The heating mechanism has the function of heating; when the wax mold casting needs to be baked, first, the sealing cover 4 is opened, then a plurality of mold shells that need to be baked are evenly placed on the ring 5, then the sealing cover 4 is closed, then the heating mechanism is turned on, the heating mechanism bakes the mold shells in the cavity of the baking box 3, the moisture in the mold shells is evaporated, the temperature of the mold shells is increased, the air permeability of the mold shells is increased, and the rotating mechanism drives the ring 5 to rotate while the mold shells are heated. The ring 5 drives the mold shells to rotate, so that the mold shells are evenly heated and baked in the cavity of the baking box 3, until the mold shells are baked, the sealing cover 4 is opened, and the baked mold shells are taken out from the baking box 3 for pouring; when the mold shells are baked, the mold shells can be rotated, the mold shells are evenly heated, the baking effect is improved, the use is convenient, and the practicality is high.

[0021] As Figure 4 and Figure 5The rotating mechanism comprises a driving mechanism, a connecting frame 6 and a supporting shaft 7, the connecting frame 6 is fixedly installed at the lower end of the ring 5, the supporting shaft 7 is fixedly installed at the lower end of the connecting frame 6, the supporting shaft 7 is rotatably installed on the baking box 3 and the bottom plate 1, and the driving mechanism is used for driving the supporting shaft 7 to rotate; when the plurality of shell molds placed on the ring 5 are baked, the driving mechanism is opened, the supporting shaft 7 drives the connecting frame 6 and the ring 5 to rotate, and then the plurality of shell molds on the ring 5 are rotated, so that the plurality of shell molds are uniformly baked, and the baking effect of the shell molds is improved.

[0022] As Figure 5 The driving mechanism comprises a bevel gear A 8, a bevel gear B 9, a driving shaft 10, a fixed plate 11 and a driving motor 12, the bevel gear A 8 is fixedly sleeved on the supporting shaft 7, the bevel gear A 8 is engaged with the bevel gear B 9, the bevel gear B 9 is fixedly installed on the driving shaft 10, the driving shaft 10 is rotatably installed on the fixed plate 11, the input end of the driving shaft 10 is connected with the driving motor 12, and the fixed plate 11 and the driving motor 12 are fixedly installed on the bottom plate 1; when the supporting shaft 7 is driven to rotate, the driving motor 12 is opened, the driving motor 12 drives the bevel gear B 9 to drive the bevel gear A 8 to rotate through the driving shaft 10, the bevel gear A 8 drives the supporting shaft 7 to rotate, and then the connecting frame 6 drives the ring 5 to rotate, so that the ring 5 is conveniently rotated; and the heat insulating block is arranged on the input end of the driving shaft 10, so that the heat transferred to the driving motor 12 from the driving shaft 10 is reduced.

[0023] As Figure 4 The heating mechanism comprises two groups of base plates 16, a mounting plate 13, a fixed column 14 and a plurality of electric heating tungsten rods 15, the two groups of base plates 16 are respectively installed at the left and right ends of the cavity of the baking box 3, the electric heating tungsten rods 15 are installed on the two groups of base plates 16, the mounting plate 13 is fixedly installed at the upper end of the cavity of the support 2, the fixed column 14 is fixedly installed at the lower end of the mounting plate 13, and the plurality of electric heating tungsten rods 15 are circumferentially arranged on the fixed column 14; when the shell molds placed on the ring 5 are heated, the electric heating tungsten rods 15 on the two groups of base plates 16 are opened, and the plurality of electric heating tungsten rods 15 on the fixed column 14 are opened at the same time, so that the shell molds on the ring 5 are uniformly baked, and the baking of the shell molds is facilitated.

[0024] The baking box 3 is provided with a temperature table, and the driving motor 12 is provided with a protective cover.

[0025] Embodiment 2

[0026] As Figure 1 And Figure 3On the basis of embodiment 1, still include hydraulic cylinder 17, push rod 18 and lifting plate 19, the bottom plate 1 is provided with foundation pit, the hydraulic cylinder 17 is installed in foundation pit, the output end of hydraulic cylinder 17 is provided with push rod 18, lifting plate 19 is installed in the upper end of push rod 18, lifting plate 19 is located in the front side of baking box 3, when needing to put into the shell in baking box 3, first, the shell is placed on lifting plate 19, then push rod 18 is driven lifting plate 19 to rise by hydraulic cylinder 17, lifting plate 19 drives shell to rise to the height consistent with the opening on baking box 3, then shell is taken down on lifting plate 19 and is placed on annular ring 5, it is convenient to place shell on annular ring 5.

[0027] The sealing cover 4, the driving motor 12, the electric heating tungsten rod 15 and the hydraulic cylinder 17 of the wax mold casting baking equipment are all purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0028] The above is only the preferred embodiment of the utility model, it should be pointed out that, for the ordinary skilled person in the art, without departing from the technical principle of the utility model, a number of improvements and modifications can be made, these improvements and modifications should also be considered as the protection scope of the utility model.

Claims

1. A calcining equipment for wax pattern casting, comprising a base plate (1), a support (2), a calcining box (3) and a sealing cover (4), the calcining box (3) is fixedly installed on the upper end of the base plate (1) through the support (2), a cavity is arranged in the calcining box (3), an opening in communication with the cavity is arranged on the left part of the calcining box (3), and the sealing cover (4) is installed on the outer side of the opening; characterized in that, The annular ring (5) is installed on a rotating mechanism, the rotating mechanism is used for rotating the annular ring (5), the annular ring (5) is located in the cavity of the roasting box (3), and the heating mechanism is installed in the cavity of the roasting box (3) and has a heating function.

2. A firing apparatus for wax pattern investment casting as defined in claim 1, wherein, The rotating mechanism comprises a driving mechanism, a connecting frame (6) and a supporting shaft (7), the connecting frame (6) is fixedly installed at the lower end of the annular ring (5), the supporting shaft (7) is fixedly installed at the lower end of the connecting frame (6), the supporting shaft (7) is rotatably installed on the roasting box (3) and the bottom plate (1), and the driving mechanism is used for driving the supporting shaft (7) to rotate.

3. A firing apparatus for wax pattern investment casting as defined in claim 2 wherein, The driving mechanism comprises a bevel gear A (8), a bevel gear B (9), a driving shaft (10), a fixed plate (11) and a driving motor (12), the bevel gear A (8) is fixedly sleeved on the supporting shaft (7), the bevel gear A (8) is engaged with the bevel gear B (9), the bevel gear B (9) is fixedly installed on the driving shaft (10), the driving shaft (10) is rotatably installed on the fixed plate (11), the input end of the driving shaft (10) is connected with the driving motor (12), and the fixed plate (11) and the driving motor (12) are fixedly installed on the bottom plate (1).

4. The firing apparatus for wax pattern investment casting of claim 1, wherein, The heating mechanism comprises two groups of base plates (16), a mounting plate (13), a fixed column (14) and a plurality of electric tungsten rods (15), the two groups of base plates (16) are respectively installed at the left and right ends of the cavity of the roasting box (3), the electric tungsten rods (15) are installed on the two groups of base plates (16), the mounting plate (13) is fixedly installed at the upper end of the cavity of the support (2), the fixed column (14) is fixedly installed at the lower end of the mounting plate (13), and the plurality of electric tungsten rods (15) are circumferentially arranged on the fixed column (14).

5. The firing apparatus for wax pattern investment casting of claim 1 wherein, The hydraulic cylinder (17) is installed in the foundation pit, the output end of the hydraulic cylinder (17) is provided with the push rod (18), the lifting plate (19) is installed at the upper end of the push rod (18), and the lifting plate (19) is located on the front side of the roasting box (3).

6. The firing apparatus for wax pattern investment casting of claim 1, wherein, The roasting box (3) is provided with a temperature table.

7. The firing apparatus for wax pattern casting according to claim 3, wherein The driving motor (12) is provided with a protective cover.

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