Novel shell making equipment

Abstract

The utility model belongs to the technical field of shell making, and particularly relates to novel shell making equipment which comprises a mounting frame, a driving mechanism is arranged on the surface of the mounting frame, and a shell making mechanism is arranged on the inner side of the mounting frame. The shell making mechanism is positioned below the driving mechanism; the driving mechanism comprises a driving motor, and the driving mechanism realizes the action of reciprocating motion of the wax mold in the linear direction; and the shell making mechanism comprises a facing sand barrel, and the shell making mechanism realizes the action of coating sand on the surface of the wax mold to make a shell. According to the novel shell making equipment, the shell making mechanism is arranged, a wax mold firstly passes through the facing sand barrel to form a facing sand layer, the facing sand layer is fully dried in the roasting box and then enters the coarse sand barrel to be subjected to sand hanging to form a coarse sand layer, then enters the roasting box to be dried again to promote interlayer combination and then enters the coarse sand barrel to be subjected to sand hanging repeatedly, and multi-layer sand hanging is conducted according to technological requirements; the problems that the yield is low and the production efficiency is not high when closed impeller type products are cast through an existing wax mold are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of shell making, in particular to a novel shell making device. Background Art

[0002] Wax casting mainly consists of mold manufacturing, wax model manufacturing, shell mold manufacturing and subsequent drying, roasting, pouring, solidification and other processes. The process is: wax is formed by injecting wax, and then the wax model is placed in a sand mixer to form a sand shell. The wax is melted by hot melting and flows away from the sand shell to form an empty shell. Molten iron is injected into the empty shell to shape it, and the product can be obtained after vibrating the shell.

[0003] The prior art generally directly puts the wax mold into the mortar barrel, soaks it and then takes it out. When the wax mold is used to cast closed impeller products, it is limited by the internal cavity structure of the product, and the shell making process has disadvantages such as high raw material cost, long production cycle, low yield rate and low production efficiency. Utility Model Content

[0004] Based on the technical problems of low yield and low production efficiency when existing wax mold casting of closed impeller products, the utility model proposes a new shell making equipment.

[0005] The utility model proposes a novel shell making device, comprising a mounting frame, a driving mechanism is arranged on the surface of the mounting frame, and a shell making mechanism is arranged on the inner side of the mounting frame;

[0006] The shell making mechanism is located below the driving mechanism;

[0007] The driving mechanism includes a driving motor, and the driving mechanism realizes the reciprocating motion of the wax model in a linear direction;

[0008] The shell making mechanism comprises a surface sand bucket, and the shell making mechanism realizes the action of hanging sand on the surface of the wax mold to make the shell.

[0009] Preferably, the driving mechanism also includes a driving screw, the surface of the driving screw is rotatably connected to the surface of the mounting frame, the two driving screws are arranged in parallel, the surface of the driving motor is fixedly connected to the surface of the mounting frame, the output shaft of the driving motor is fixedly connected to a driving gear, the surface of the driving gear is meshed with a first gear, and the surfaces of the two first gears are respectively fixedly connected to one end of the two driving screws.

[0010] Preferably, the surface of the driving screw is threadedly connected to a moving platform, the surface of the moving platform is fixedly connected to a telescopic cylinder, the two telescopic cylinders are symmetrically distributed around the axis of the moving platform, one end of the two telescopic cylinders is fixedly connected to a mounting plate, and the surface of the mounting plate is fixedly connected to a rotating motor.

[0011] Preferably, a connecting plate is provided below the mounting plate, and the surface of the connecting plate is fixedly connected to the surface of the mounting plate via a connecting rod, and the surface of the connecting plate is rotatably connected to a rotating gear and a second gear respectively, and the surfaces of the two second gears are meshedly connected to the surface of the rotating gear, and the surfaces of the two second gears are fixedly connected to a hook, and the output shaft of the rotating motor is fixedly connected to the surface of the rotating gear via a coupling.

[0012] Preferably, the shell making mechanism also includes a coarse sand barrel, the surface of the surface sand barrel and the surface of the coarse sand barrel are respectively fixedly connected with stirring motors, the interior of the surface sand barrel and the interior of the coarse sand barrel are respectively provided with stirring screws, and the output shafts of the two stirring motors are respectively fixedly connected to one end of the two stirring screws through couplings.

[0013] Preferably, a roasting box is arranged below the driving screw, and an air inlet, an air outlet and a heating port are respectively opened on the surface of the roasting box. An air intake fan, a heating plate and a temperature and humidity sensor are respectively fixedly connected to the surface of the roasting box. The air intake fan and the temperature and humidity sensor are symmetrically distributed with the axis of the roasting box as the center, and the heating plate is located between the air intake fan and the temperature and humidity sensor.

[0014] The beneficial effects of the present invention are:

[0015] By setting up a shell making mechanism, the wax mold first passes through a surface sand barrel to form a surface sand layer. After the surface sand layer is fully dried in the roasting box, it enters the coarse sand barrel to be sanded to form a coarse sand layer. After entering the roasting box for drying again to promote interlayer bonding, it enters the coarse sand barrel to repeat sanding. Multi-layer sanding is performed according to the process requirements, which solves the problems of low yield and low production efficiency in existing wax mold casting of closed impeller products. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of a novel shell making device proposed by the utility model;

[0017] Figure 2 This is a three-dimensional diagram of the second gear structure of a new shell making device proposed by the utility model;

[0018] Figure 3 This is a right view of the mounting plate structure of a novel shell making equipment proposed by the utility model.

[0019] In the figure: 1. mounting frame; 2. driving motor; 3. surface sand bucket; 201. driving screw; 202. driving gear; 203. first gear; 204. moving platform; 205. telescopic cylinder; 206. mounting plate; 207. rotating motor; 208. connecting plate; 209. rotating gear; 210. second gear; 211. hook; 301. coarse sand bucket; 302. stirring motor; 303. stirring screw; 304. roasting box; 305. air intake fan; 306. heating plate; 307. temperature and humidity sensor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 3 , a novel shell making device, comprising a mounting frame 1, a driving mechanism is arranged on the surface of the mounting frame 1, and a shell making mechanism is arranged on the inner side of the mounting frame 1;

[0022] The shell making mechanism is located below the driving mechanism;

[0023] The driving mechanism includes a driving motor 2, and the driving mechanism realizes the reciprocating motion of the wax model in a linear direction;

[0024] The shell making mechanism comprises a surface sand barrel 3, and the shell making mechanism realizes the action of hanging sand on the surface of the wax mold to make the shell.

[0025] The driving mechanism also includes a driving screw 201, the surface of the driving screw 201 is rotatably connected to the surface of the mounting frame 1, the two driving screws 201 are arranged in parallel, the surface of the driving motor 2 is fixedly connected to the surface of the mounting frame 1, the output shaft of the driving motor 2 is fixedly connected to the driving gear 202, the surface of the driving gear 202 is meshed with a first gear 203, and the surfaces of the two first gears 203 are respectively fixedly connected to one end of the two driving screws 201.

[0026] Furthermore, the driving motor 2 drives the two driving screws 201 to rotate in the same direction through gear transmission.

[0027] The surface of the driving screw 201 is threadedly connected to a moving platform 204, and the surface of the moving platform 204 is fixedly connected to a telescopic cylinder 205. The two telescopic cylinders 205 are symmetrically distributed with the axis of the moving platform 204 as the center. One end of the two telescopic cylinders 205 is fixedly connected to a mounting plate 206, and the surface of the mounting plate 206 is fixedly connected to a rotating motor 207.

[0028] Furthermore, the moving platform 204 reciprocates in a linear direction by being threadedly connected to the two driving screws 201 .

[0029] A connecting plate 208 is provided below the mounting plate 206, and the surface of the connecting plate 208 is fixedly connected to the surface of the mounting plate 206 via a connecting rod, and the surface of the connecting plate 208 is rotatably connected to a rotating gear 209 and a second gear 210 respectively, and the surfaces of the two second gears 210 are meshedly connected to the surface of the rotating gear 209, and the surfaces of the two second gears 210 are fixedly connected to a hook 211, and the output shaft of the rotating motor 207 is fixedly connected to the surface of the rotating gear 209 via a coupling.

[0030] Furthermore, the stirring motor 302 rotates to drive the two hooks 211 to rotate through gear transmission, so that the sand is fully hung.

[0031] The shell making mechanism also includes a coarse sand barrel 301, and the surfaces of the dough sand barrel 3 and the coarse sand barrel 301 are respectively fixedly connected with stirring motors 302, and the interior of the dough sand barrel 3 and the coarse sand barrel 301 are respectively provided with stirring screws 303, and the output shafts of the two stirring motors 302 are respectively fixedly connected to one end of the two stirring screws 303 through couplings.

[0032] Furthermore, the stirring motor 302 drives the stirring screw 303 to rotate, so as to fully stir the mortar to avoid sedimentation.

[0033] A roasting box 304 is arranged below the driving screw 201, and an air inlet, an air outlet and a heating port are respectively opened on the surface of the roasting box 304. An air intake fan 305, a heating plate 306 and a temperature and humidity sensor 307 are respectively fixedly connected to the surface of the roasting box 304. The air intake fan 305 and the temperature and humidity sensor 307 are symmetrically distributed with the axis of the roasting box 304 as the center, and the heating plate 306 is located between the air intake fan 305 and the temperature and humidity sensor 307.

[0034] Furthermore, the heating plate 306 dries the sand layer, the air intake fan 305 accelerates the air circulation in the baking box 304, and the temperature and humidity of the air in the box are detected at the air outlet.

[0035] The beneficial effects of the present invention are:

[0036] By setting up a shell making mechanism, the wax mold first passes through the surface sand barrel 3 to form a surface sand layer, and then the surface sand layer is fully dried in the roasting box 304 and enters the coarse sand barrel 301 to be sanded to form a coarse sand layer, and then enters the roasting box 304 for drying treatment to promote interlayer bonding, and then enters the coarse sand barrel 301 to repeat sanding. Multiple layers of sanding are performed according to the process requirements, which solves the problems of low yield and low production efficiency in existing wax mold casting of closed impeller products.

[0037] Working principle:

[0038] Before use, place the workpiece on the hook 211, start the driving motor 2 to drive the driving gear 202 to rotate, the driving gear 202 is meshed with the two first gears 203 for transmission, the driving screws 201 fixedly connected to the two first gears 203 rotate in the same direction, driving the moving platform 204 threadedly connected to the driving screws 201 to move back and forth, start the telescopic cylinder 205 fixedly connected to the surface of the moving platform 204, the telescopic cylinder 205 pushes the mounting plate 206 to move up and down, the workpiece under the mounting plate 206 is immersed in the surface sand bucket 3, start the rotating motor 207 to drive the rotating gear 209 to rotate, the rotating gear 209 is meshed with the two second gears 210 for transmission, the two second The hook 211 fixedly connected to the gear 210 rotates in the same direction, and the two stirring motors 302 are started to drive the stirring screw 303 to rotate, respectively stirring the mortar in the surface sand bucket 3 and the coarse sand bucket 301. After the surface sand bucket 3 is hung with sand, the telescopic cylinder 205 contracts and drives the screw 201 to drive the moving platform 204 to enter the roasting box 304 for drying, and drives the air intake fan 305 and the heating plate 306 in the roasting box 304. The temperature and humidity sensor 307 at the air outlet detects the air temperature and humidity in the roasting box 304. After the surface sand layer is fully dried, it enters the coarse sand bucket 301 for hanging sand. After the hanging sand is completed, it enters the roasting box 304 for drying again, and the number of coarse sand hanging layers is repeated according to the process requirements.

[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A novel shell making device, comprising a mounting frame (1), characterized in that: A driving mechanism is arranged on the surface of the mounting frame (1), and a shell making mechanism is arranged on the inner side of the mounting frame (1); The shell making mechanism is located below the driving mechanism; The driving mechanism comprises a driving motor (2), and the driving mechanism realizes the reciprocating motion of the wax model in a linear direction; The shell making mechanism comprises a surface sand bucket (3), and the shell making mechanism realizes the action of hanging sand on the surface of the wax mold to make the shell.

2. A new shell making device according to claim 1, characterized in that: The driving mechanism further comprises a driving screw (201), the surface of the driving screw (201) being rotatably connected to the surface of the mounting frame (1), the two driving screws (201) being arranged in parallel, the surface of the driving motor (2) being fixedly connected to the surface of the mounting frame (1), the output shaft of the driving motor (2) being fixedly connected to a driving gear (202), the surface of the driving gear (202) being meshed with a first gear (203), and the surfaces of the two first gears (203) being fixedly connected to one end of the two driving screws (201), respectively.

3. A new shell making device according to claim 2, characterized in that: The surface of the driving screw rod (201) is threadedly connected to a moving platform (204), the surface of the moving platform (204) is fixedly connected to a telescopic cylinder (205), the two telescopic cylinders (205) are symmetrically distributed with the axis of the moving platform (204) as the center, one end of the two telescopic cylinders (205) is fixedly connected to a mounting plate (206), and the surface of the mounting plate (206) is fixedly connected to a rotating motor (207).

4. A new shell making device according to claim 3, characterized in that: A connecting plate (208) is provided below the mounting plate (206), and the surface of the connecting plate (208) is fixedly connected to the surface of the mounting plate (206) via a connecting rod, and the surface of the connecting plate (208) is rotatably connected to a rotating gear (209) and a second gear (210), respectively, and the surfaces of the two second gears (210) are meshedly connected to the surface of the rotating gear (209), and the surfaces of the two second gears (210) are fixedly connected to a hook (211), and the output shaft of the rotating motor (207) is fixedly connected to the surface of the rotating gear (209) via a coupling.

5. A new shell making device according to claim 4, characterized in that: The shell making mechanism also includes a coarse sand bucket (301), the surface of the surface sand bucket (3) and the surface of the coarse sand bucket (301) are respectively fixedly connected with stirring motors (302), the interior of the surface sand bucket (3) and the interior of the coarse sand bucket (301) are respectively provided with stirring screws (303), and the output shafts of the two stirring motors (302) are respectively fixedly connected to one end of the two stirring screws (303) through couplings.

6. A new shell making device according to claim 5, characterized in that: A roasting box (304) is arranged below the driving screw (201), and an air inlet, an air outlet and a heating port are respectively opened on the surface of the roasting box (304), and an air intake fan (305), a heating plate (306) and a temperature and humidity sensor (307) are respectively fixedly connected to the surface of the roasting box (304), and the air intake fan (305) and the temperature and humidity sensor (307) are symmetrically distributed with the axis of the roasting box (304) as the center, and the heating plate (306) is located between the air intake fan (305) and the temperature and humidity sensor (307).

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