Wax melting device for wax mold casting and using method

Abstract

The invention discloses a wax melting device for wax mold casting and a using method. The wax melting device comprises a bottom plate, a heat insulation barrel is fixedly connected to the upper surface of the bottom plate, a melting barrel is arranged in the heat insulation barrel, a heating device is arranged on the inner surface of the heat insulation barrel, and the heating device is attached to the melting barrel; the upper surface of the heat insulation barrel is rotationally connected with a heat insulation cover, and the upper surface of the heat insulation barrel is movably connected with a crushing barrel; through holes are formed in the crushing barrel, the cross section of the crushing barrel is trapezoidal, a heat-conducting crushing net is used for crushing large-size wax blocks, wax residues are prevented from existing above the crushing net in a hot cutting and downward pressing mode, the crushed wax blocks are prevented from blocking the crushing barrel under the action of a stirring rod in the crushing barrel, and the crushing efficiency is improved. And the circle center of the stirring rod and the circle center of the smashing barrel are not located on the same line, and therefore it is guaranteed that discharging is not affected during stirring.

Description

Technical Field

[0001] The invention relates to the technical field of wax melting, and in particular to a wax melting device for wax mold casting and a use method thereof. Background Art

[0002] In the field of investment casting, paraffin wax is mainly used as a mold base. Due to the physical property of paraffin wax, it is in a solid state at room temperature and cannot be directly used to manufacture the mold base. In the prior art, paraffin wax is generally melted into liquid and then injected into the mold pressing mechanism. Therefore, a device for melting paraffin wax should be provided in the production process.

[0003] The existing wax melting device and use method for wax model casting increases the efficiency of wax melting by crushing or cutting the wax blocks to turn large wax blocks into small wax blocks. However, in this method, during use, some wax will adhere to the barrel wall during cutting. After use, the barrel wall needs to be cleaned, and the processed wax blocks are prone to clogging when unloading, resulting in failure to unload. Summary of the invention

[0004] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art, and to provide a wax melting device for wax mold casting and a method of use. By using a heat-conducting crushing net, larger wax blocks are crushed, and hot cutting and downward pressing are used to avoid the presence of wax residue above the crushing net. Under the action of the stirring rod in the crushing barrel, the crushed wax blocks are prevented from clogging the crushing barrel, and the wax attached to the barrel wall can be scraped off. The center of the stirring rod and the center of the crushing barrel are not on the same line, thereby ensuring that the material is not affected during stirring.

[0005] The present invention also provides a wax melting device for wax mold casting as described above, comprising: a bottom plate, an insulating barrel is fixedly connected to the upper surface of the bottom plate, a melting barrel is arranged inside the insulating barrel, a heating device is arranged on the inner surface of the insulating barrel, the heating device is fitted with the melting barrel, an insulating cover is rotatably connected to the upper surface of the insulating barrel, a crushing barrel is movably connected to the upper surface of the insulating barrel; a through hole is arranged on the crushing barrel, the cross-section of the crushing barrel is trapezoidal, a crushing net is arranged inside the crushing barrel, the crushing net passes through the outer surface of the crushing barrel, and one end of the crushing net located outside the crushing barrel is located at the insulating Inside the hot barrel, a bracket is provided on the bottom plate, a downward pressing device is provided on the bracket, and the output end of the downward pressing device is located inside the crushing barrel; the inner surface of the crushing barrel is fixedly connected to a support frame, the outer surface of the support frame is fixedly connected to a micro motor, the output end of the micro motor is fixedly connected to a stirring rod, a protective device is provided on the micro motor, the micro motor is located below the crushing net, the center of the stirring rod and the center of the crushing barrel are not located on the same line, the stirring rod includes a stirring shaft and a stirring blade, the stirring blade is a retractable structure, and the stirring blade is rotatably connected to the crushing barrel.

[0006] According to a wax melting device for wax model casting provided by the present invention, the heating device is specifically a heating rod, the heating rod is fixedly connected to the inner bottom surface of the insulation barrel, and the heating rod is in contact with the melting barrel.

[0007] According to a wax melting device for wax casting provided by the present invention, the pressing device comprises: a hydraulic cylinder, the hydraulic cylinder is fixedly connected to the lower surface of the bracket, and the output end of the hydraulic cylinder is fixedly connected to a hydraulic rod.

[0008] According to the wax melting device for wax casting provided by the present invention, a pressing plate is fixedly connected to the lower surface of the hydraulic rod, and the pressing plate is movably connected to the crushing barrel.

[0009] According to a wax melting device for wax casting provided by the present invention, the protective device is specifically a protective shell, the protective shell is fixedly connected to the micro motor, and the cross-section of the protective shell is triangular.

[0010] According to the wax melting device for wax casting provided by the present invention, the lower surface of the base plate is fixedly connected with a supporting leg.

[0011] According to a wax melting device for wax model casting provided by the present invention, the melting barrel is provided with a discharge pipe, the discharge pipe is provided with a valve, and the material of the discharge pipe is metal.

[0012] A method for using a wax melting device for wax casting comprises the following steps:

[0013] S1, start the heating rod, the heating rod heats the melting barrel, and part of the heat of the melting barrel is transferred to the crushing net;

[0014] S2, pour the wax block with a larger volume into the inside of the crushing barrel, and the heat of the crushing net melts the wax block, turning the wax block with a larger volume into a wax block with a smaller volume;

[0015] S3, start the hydraulic cylinder and the hydraulic rod to drive the pressing plate, and the pressing plate applies pressure to the larger wax block, so that the larger wax block is turned into a smaller wax block more quickly;

[0016] S4, start the micro motor, the micro motor drives the stirring shaft, the stirring shaft drives the stirring blade, and the stirring blade retracts and contracts according to the distance between the crushing barrel and the stirring shaft as the stirring shaft rotates;

[0017] S5, open the heat-insulating cover to allow the wax block to enter the melting barrel for melting. After the melting is completed, open valve 18 to allow the wax liquid to flow out.

[0018] Compared with the prior art, the wax melting device for wax mold casting crushes larger wax blocks by using a heat-conducting crushing net, and avoids the presence of wax residues above the crushing net by hot cutting and downward pressing. Under the action of the stirring rod in the crushing barrel, the crushed wax blocks are prevented from clogging the crushing barrel, and the wax attached to the barrel wall can be scraped off. The center of the stirring rod and the center of the crushing barrel are not on the same line, thereby ensuring that the material is not affected during stirring. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further described below in conjunction with the accompanying drawings and embodiments;

[0020] Figure 1 The overall structure diagram of the wax melting device and the use method for wax pattern casting of the present invention;

[0021] Figure 2 It is a front view structural diagram of the wax melting device for wax pattern casting and the use method of the present invention;

[0022] Figure 3 A cross-sectional structural diagram of a wax melting device for wax casting and a method of using the wax melting device of the present invention;

[0023] Figure 4 The invention relates to a wax melting device and a method for using the wax mold casting. Figure 3 Enlarged view of point B in the middle;

[0024] Figure 5 The invention relates to a wax melting device and a method for using the wax mold casting. Figure 3 Enlarged view of center C.

[0025] Legend:

[0026] 1. Bottom plate; 2. Insulation barrel; 3. Melting barrel; 4. Insulation cover; 5. Crushing barrel; 6. Crushing net; 7. Bracket; 8. Support frame; 9. Micro motor; 10. Stirring rod; 11. Heating rod; 12. Hydraulic cylinder; 13. Hydraulic rod; 14. Press plate; 15. Protective shell; 16. Support leg; 17. Discharge pipe; 18. Valve; 19. Through hole. DETAILED DESCRIPTION

[0027] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0028] Reference Figure 1-5The embodiment of the present invention is a wax melting device for wax mold casting and a method of using the same, which includes: a base plate 1, an insulating barrel 2 is fixedly connected to the upper surface of the base plate 1, a melting barrel 3 is arranged inside the insulating barrel 2, a heating device is fitted with the melting barrel 3, an insulating cover 4 is rotatably connected to the upper surface of the insulating barrel 2, a crushing barrel 5 is movably connected to the upper surface of the insulating barrel 2, a supporting leg 16 is fixedly connected to the lower surface of the base plate 1, a discharge pipe 17 is arranged on the melting barrel 3, a valve 18 is arranged on the discharge pipe 17, and the material of the discharge pipe 17 is metal.

[0029] A through hole 19 is provided on the crushing barrel 5, the cross-section of the crushing barrel 5 is trapezoidal, a crushing net 6 is provided inside the crushing barrel 5, the crushing net 6 passes through the outer surface of the crushing barrel 5, the end of the crushing net 6 located outside the crushing barrel 5 is located inside the insulation barrel 2, a bracket 7 is provided on the bottom plate 1, and the output end of the pressing device is located inside the crushing barrel 5.

[0030] The inner surface of the crushing barrel 5 is fixedly connected to a support frame 8, the outer surface of the support frame 8 is fixedly connected to a micro motor 9, the output end of the micro motor 9 is fixedly connected to a stirring rod 10, the micro motor 9 is located below the crushing net 6, the center of the stirring rod 10 and the center of the crushing barrel 5 are not located on the same line, the stirring rod 10 includes a stirring shaft and a stirring blade, the stirring blade is a retractable structure, and the stirring blade is rotatably connected to the crushing barrel 5.

[0031] The inner surface of the insulation barrel 2 is provided with a heating device, which is specifically a heating rod 11 . The heating rod 11 is fixedly connected to the inner bottom surface of the insulation barrel 2 , and the heating rod 11 is in contact with the melting barrel 3 .

[0032] A pressing device is provided on the bracket 7, and the pressing device includes: a hydraulic cylinder 12, the hydraulic cylinder 12 is fixedly connected to the lower surface of the bracket 7, the output end of the hydraulic cylinder 12 is fixedly connected to a hydraulic rod 13, the lower surface of the hydraulic rod 13 is fixedly connected to a pressing plate 14, and the pressing plate 14 is movably connected to the crushing barrel 5.

[0033] A protective device is provided on the micro motor 9 , and the protective device is specifically a protective shell 15 . The protective shell 15 is fixedly connected to the micro motor 9 , and the cross section of the protective shell 15 is a triangle.

[0034] The method for using the wax melting device for wax casting of this embodiment comprises the following steps:

[0035] S1. Start the heating rod 11 through the controller, the heating rod 11 heats the melting barrel 3, and part of the heat of the melting barrel 3 is transferred to the crushing net 6;

[0036] S2, pouring the wax block with a larger volume into the inside of the crushing barrel 5, the heat of the crushing net 6 melts the wax block, and the larger wax block becomes a smaller wax block;

[0037] S3, the controller controls the hydraulic cylinder 12 to start, the hydraulic rod 13 drives the pressing plate 14, and the pressing plate 14 applies pressure to the larger wax block, so that the larger wax block is turned into a smaller wax block more quickly;

[0038] S4, the controller controls the micro motor 9 to start, the micro motor 9 drives the stirring shaft, the stirring shaft drives the stirring blades, and the stirring blades are extended and retracted according to the distance between the crushing barrel 5 and the stirring shaft as the stirring shaft rotates;

[0039] S5, open the heat-insulating cover 4, allow the wax block to enter the melting barrel 3 for melting, and after the melting is completed, open the valve 18 to allow the wax liquid to flow out.

[0040] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A wax melting device for wax casting, characterized in that: include: A bottom plate (1), the upper surface of the bottom plate (1) is fixedly connected to an insulation barrel (2), a melting barrel (3) is arranged inside the insulation barrel (2), a heating device is arranged on the inner surface of the insulation barrel (2), the heating device is fitted with the melting barrel (3), the upper surface of the insulation barrel (2) is rotatably connected to an insulation cover (4), the upper surface of the insulation barrel (2) is movably connected to a crushing barrel (5), and the insulation cover (4) is located between the insulation barrel (2) and the crushing barrel (5); The crushing barrel (5) is provided with a through hole (19), the cross section of the crushing barrel (5) is trapezoidal, a crushing net (6) is provided inside the crushing barrel (5), the crushing net (6) penetrates the outer surface of the crushing barrel (5), one end of the crushing net (6) located outside the crushing barrel (5) is located inside the heat-insulating barrel (2), a bracket (7) is provided on the bottom plate (1), a pressing device is provided on the bracket (7), and the output end of the pressing device is located inside the crushing barrel (5); The inner surface of the crushing barrel (5) is fixedly connected to a support frame (8), the outer surface of the support frame (8) is fixedly connected to a micro motor (9), the output end of the micro motor (9) is fixedly connected to a stirring rod (10), a protective device is provided on the micro motor (9), the micro motor (9) is located below the crushing net (6), the center of the stirring rod (10) and the center of the crushing barrel (5) are not located on the same line, the stirring rod (10) comprises a stirring shaft and a stirring blade, the stirring blade is a retractable structure, and the stirring blade is rotatably connected to the crushing barrel (5).

2. A wax melting device for wax casting according to claim 1, characterized in that: The heating device is specifically a heating rod (11), and the heating rod (11) is fixedly connected to the inner bottom surface of the insulation barrel (2), and the heating rod (11) is in contact with the melting barrel (3).

3. A wax melting device for wax casting according to claim 1, characterized in that: The pressing device comprises a hydraulic cylinder (12), the hydraulic cylinder (12) is fixedly connected to the lower surface of the bracket (7), and the output end of the hydraulic cylinder (12) is fixedly connected to a hydraulic rod (13).

4. A wax melting device for wax casting according to claim 3, characterized in that: A pressing plate (14) is fixedly connected to the lower surface of the hydraulic rod (13), and the pressing plate (14) is movably connected to the crushing barrel (5).

5. The wax melting device for wax casting according to claim 1, characterized in that: The protective device is specifically a protective shell (15), the protective shell (15) is fixedly connected to the micro motor (9), and the cross section of the protective shell (15) is triangular.

6. A wax melting device for wax casting according to claim 1, characterized in that: The lower surface of the base plate (1) is fixedly connected with a supporting leg (16).

7. A wax melting device for wax casting according to claim 1, characterized in that: The melting barrel (3) is provided with a discharge pipe (17), the discharge pipe (17) is provided with a valve (18), and the material of the discharge pipe (17) is a metal material.

8. A method for using a wax melting device for wax casting, characterized in that: The following steps are involved: S1, starting the heating rod (11), the heating rod (11) heats the melting barrel (3), and part of the heat of the melting barrel (3) is transferred to the crushing net (6); S2, pouring the wax block with a larger volume into the interior of the crushing barrel (5), and the heat of the crushing net (6) melts the wax block, and the wax block with a larger volume is turned into a wax block with a smaller volume; S3, starting the hydraulic cylinder (12) and the hydraulic rod (13) to drive the pressing plate (14), and the pressing plate (14) applies pressure to the larger wax block, so that the larger wax block is transformed into a smaller wax block more quickly; S4, starting the micro motor (9), the micro motor (9) drives the stirring shaft, the stirring shaft drives the stirring blades, and the stirring blades extend and retract according to the distance between the crushing barrel (5) and the stirring shaft as the stirring shaft rotates; S5. Open the heat-insulating cover (4) to allow the wax block to enter the melting barrel (3) for melting. After the melting is completed, open the valve (18) to allow the wax liquid to flow out.

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