Rapid wax pattern mold taking-down device for precision casting

Abstract

The utility model belongs to the field of wax molds, particularly relates to a wax mold quick taking-down device for precision casting, and provides the following scheme aiming at the problems of difficulty in demolding and easiness in mold displacement during wax injection in the prior art: the wax mold quick taking-down device comprises a vacuum wax injection machine, one side of the vacuum wax injection machine is fixedly provided with a control console, and the other side of the vacuum wax injection machine is fixedly provided with the control console; a containing groove is formed in the top of the vacuum wax injection machine, and a hot melting tank is fixedly installed on the inner side of the containing groove. A fixed base is fixedly mounted on one side of the vacuum wax injection machine, a water tank is fixedly mounted on one side of the fixed base, and a water pump is fixedly mounted on the inner side of the water tank; a lower mold is placed on the top of the fixed base, and an upper mold is installed on the top of the lower mold in a clamped mode. According to the utility model, the demoulding efficiency and quality of the wax mould can be improved, the loss and resource consumption in the mould production process can be reduced, and the mould can be prevented from displacement in the wax injection period.

Description

TECHNICAL FIELD

[0001] The utility model relates to wax mould mould technical field especially relates to a wax mould mould fast take down device for precision casting. BACKGROUND

[0002] Wax mould is a kind of common casting mode, first, the type mould of workpiece is made with aluminium, then wax is injected into the type mould, this step is called " waxing", then the wax mould is taken out after wax cooling, this part is called " stripping", then the wax mould surface is covered with sand, this step is called " sanding", after the casting sand of wax mould surface is adhered, the sand shell is left after the wax is boiled, this step is called " wax boiling", finally, the sand shell is buried in the casting sand pit, and the molten iron is poured into the sand shell, and the molten iron left in the sand mould is cooled to become a casting;

[0003] However, the existing wax mould mould is inconvenient when stripping, and manual stripping is usually used, but manual stripping requires higher skill level of workers, and certain skills such as wax mould hardness, mould size and angle control need to be mastered.If the skill is not enough or the requirement of the mould is too high, it may cause the wax mould to be damaged or not to be completely separated from the mould, and when waxing, the wax mould is not limited, and the mould is easy to shift, and small differences will affect the uniformity of waxing, thereby affecting the fineness of the mould. UTILITY MODEL CONTENTS

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A wax mould mould fast take down device for precision casting, comprising a vacuum wax injection machine, a control console is fixedly installed on one side of the vacuum wax injection machine, a containing groove is formed in the top of the vacuum wax injection machine, and a hot melting tank is fixedly installed on the inner side of the containing groove;A fixed base is fixedly installed on one side of the vacuum wax injection machine, a water tank is fixedly installed on one side of the fixed base, and a water pump is fixedly installed on the inner side of the water tank;Two moving grooves are formed in the top of the fixed base, a ball screw is rotatably installed on the inner wall of one side of the two moving grooves, a moving block is slidably installed on the inner wall of one side of the two moving grooves, and a lower mould is placed on the top of the fixed base.

[0006] Specifically, the top of the fixed base is fixedly installed with a support, the top of the water pump is detachably connected with an extension pipeline, and the extension pipeline penetrates the support.

[0007] Specific, the other end of the telescopic pipeline is fixedly installed with a water injection head, the top of the water injection head is fixedly installed with a reset spring, one end of the reset spring is fixedly installed at the bottom of the support, the reset spring is sleeved on the telescopic pipeline, so that the reset spring drives the water injection head to reset.

[0008] Specific, the top of the upper mold is provided with a water inlet, a plurality of blocking sliders are slidably installed in the inner side of the water inlet, a supporting spring is fixedly installed at the bottom of each blocking slider, the bottom of each supporting spring is fixedly installed on the inner wall at the bottom of the water inlet, and the water injection head is matched with the water inlet.

[0009] Specific, characterized in that two moving sliders are threadedly sleeved on corresponding ball screws, a limiting plate is fixedly installed at the top of each moving slider, a motor groove is formed in the inner portion of the fixed base, two limiting servo motors are fixedly installed on the inner wall of one side of the motor groove, and the output shafts of the two limiting servo motors are connected with corresponding ball screws, so that the two limiting servo motors drive the corresponding ball screws to rotate.

[0010] Specific, characterized in that two limiting columns are fixedly installed at the top of the fixed base, and a limiting clamp is rotatably sleeved on each limiting column.

[0011] Specific, characterized in that a positioning column is fixedly installed at one side of each limiting clamp, and a same positioning spring is fixedly installed at the side, close to each other, of the two positioning columns.

[0012] Compared with the prior art, the wax mold mold quick taking-down device for precision casting has the beneficial effects that:

[0013] The wax mold mold quick taking-down device for precision casting can separate the wax mold from the mold through the setting mechanism, water soaking and flushing, can improve the demolding efficiency and quality of the wax mold, and reduce the loss and resource consumption in the mold production process.

[0014] The wax mold mold quick taking-down device for precision casting can conveniently and quickly clamp the wax mold mold, prevents displacement of the wax mold during wax injection, and thus affects the fineness of the mold. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of the wax mold mold quick taking-down device for precision casting is provided for the utility model;

[0016] Figure 2 A partial cross-sectional schematic view of the three-dimensional structure of the wax mold mold quick taking-down device for precision casting is provided for the utility model;

[0017] Figure 3 A three-dimensional structure diagram of the water injection structure of the wax mold mold quick taking-down device for precision casting is provided for the utility model.

[0018] Figure 4 A three-dimensional structure exploded view of the mold mechanism of the wax mold mold quick taking-down device for precision casting is provided for the utility model.

[0019] In the figure: 1, vacuum wax injection machine; 2, hot melt tank; 3, control console; 4, fixed base; 5, water tank; 6, water pump; 7, telescopic pipeline; 8, support; 9, return spring; 10, water injection head; 11, water inlet; 12, blocking slider; 13, supporting spring; 14, upper mold; 15, lower mold; 16, moving slider; 17, ball screw; 18, limit servo motor; 19, limit plate; 20, limit column; 21, limit clamp; 22, positioning column; 23, positioning spring. DETAILED DESCRIPTION

[0020] Reference Figures 1-4 A wax mold mold quick taking-down device for precision casting, comprising a vacuum wax injection machine 1, a control console 3 is fixedly installed on one side of the vacuum wax injection machine 1, a receiving groove is formed in the top of the vacuum wax injection machine 1, and a hot melt tank 2 is fixedly installed on the inner side of the receiving groove; a fixed base 4 is fixedly installed on one side of the vacuum wax injection machine 1, a water tank 5 is fixedly installed on one side of the fixed base 4, and a water pump 6 is fixedly installed on the inner side of the water tank 5; two moving grooves are formed in the top of the fixed base 4, ball screws 17 are rotatably installed on the inner walls of the two moving grooves, moving sliders 16 are slidably installed on the inner walls of the two moving grooves, a lower mold 15 is placed on the top of the fixed base 4, and an upper mold 14 is connected in place on the top of the lower mold 15.

[0021] In this embodiment, a support 8 is fixedly installed on the top of the fixed base 4, a telescopic pipeline 7 is connected in place on the top of the water pump 6, and the telescopic pipeline 7 penetrates through the support 8.

[0022] In this embodiment, a water injection head 10 is fixedly installed at the other end of the telescopic pipeline 7, a return spring 9 is fixedly installed on the top of the water injection head 10, one end of the return spring 9 is fixedly installed on the bottom of the support 8, and the return spring 9 is sleeved on the telescopic pipeline 7, so that the return spring 9 drives the water injection head 10 to reset.

[0023] In this embodiment, a water inlet 11 is formed in the top of the upper mold 14, a plurality of blocking sliders 12 are slidably installed on the inner side of the water inlet 11, supporting springs 13 are fixedly installed on the bottoms of the plurality of blocking sliders 12, the bottoms of the plurality of supporting springs 13 are fixedly installed on the inner wall of the bottom of the same water inlet 11, and the water injection head 10 is matched with the water inlet 11.

[0024] In the embodiment, two movable sliders 16 are respectively threaded on corresponding ball screws 17, the top of each movable slider 16 is fixedly installed with a limiting plate 19, the inside of the fixed base 4 is provided with a motor groove, two limiting servo motors 18 are fixedly installed on the inner wall of one side of the motor groove, the output shafts of the two limiting servo motors 18 are respectively connected with corresponding ball screws 17, so as to facilitate the rotation of the corresponding ball screw 17 driven by the two limiting servo motors 18.

[0025] In the embodiment, the top of the fixed base 4 is fixedly installed with two limiting columns 20, and each limiting column 20 is rotatably sleeved with a limiting clamp 21.

[0026] In the embodiment, one side of each limiting clamp 21 is fixedly installed with a positioning column 22, and one side of each positioning column 22 close to each other is fixedly installed with the same positioning spring 23.

[0027] Working principle: the staff pours the wax beads into the hot melting tank 2 installed on the vacuum wax injection machine 1, heats through the control console 3, combines the upper mold 14 and the lower mold 15 after the wax beads are melted, then places the lower mold 15 on the fixed base 4, starts the two limiting servo motors 18 through the control console 3, the two limiting servo motors 18 are started to drive the corresponding ball screws 17 to rotate, the two ball screws 17 are rotated to drive the corresponding movable sliders 16 to move, the two movable sliders 16 are moved to drive the corresponding limiting plates 19 to move and extrude the lower mold 15, so that the lower mold 15 is slightly displaced and contacted with the two limiting clamps 21, the two limiting clamps 21 are turned around the corresponding limiting columns 20 to clamp the lower mold 15 to prevent displacement, then the wax injection head is contacted with the combined mold, the melted wax liquid is injected into the mold through the wax injection head, after cooling and shaping, the staff pulls down the water injection head 10 to make it slide into the water inlet 11, at the same time, the water injection head 10 is extruded in the water inlet 11 to extrude the plurality of blocking sliding blocks 12, the plurality of blocking sliding blocks 12 are slid downward, at this time, the water pump is started to deliver water flow through the telescopic pipe 7, the water injection head 10 and the water inlet 11, and then the water flow is extruded outwards, the starting time of the water pump should not be too long, only a small amount of water is injected into the mold through the water injection head 10, the water fills the gap between the wax mold and the mold, effectively separates the wax mold and the mold, and facilitates demolding, then the staff disassembles the upper mold 14 and the lower mold 15, takes out the wax mold, and wipes off the water with a towel.

[0028] The utility model discloses relative to the prior art obtained technical progress is: can through the setting mechanism, through the soaking and washing of water, make the wax mould separate from the mould, can improve the wax mould demolding efficiency and quality, reduce the loss and resource consumption in the mould production process, and through the setting mechanism, can conveniently and quickly clamp the wax mould mould, prevent its displacement during wax injection, thereby influence the fineness of the mould.

Claims

1. A device for quickly removing wax molds used in precision casting, characterized in that, include: A vacuum wax injection machine (1) is provided with a control console (3) fixedly installed on one side of the vacuum wax injection machine (1). A receiving groove is provided on the top of the vacuum wax injection machine (1), and a hot melt tank (2) is fixedly installed on the inner side of the receiving groove. A fixed base (4) is fixedly installed on one side of the vacuum wax injection machine (1), a water tank (5) is fixedly installed on one side of the fixed base (4), and a water pump (6) is fixedly installed on the inner side of the water tank (5). The top of the fixed base (4) has two movable slots. A ball screw (17) is rotatably installed on one side of the inner wall of each of the two movable slots. A movable slider (16) is slidably installed on one side of the inner wall of each of the two movable slots. A lower mold (15) is placed on the top of the fixed base (4). An upper mold (14) is snapped onto the top of the lower mold (15).

2. The quick-release device for wax molds used in precision casting according to claim 1, characterized in that, A bracket (8) is fixedly installed on the top of the fixed base (4), and a telescopic pipe (7) is snapped onto the top of the water pump (6), with the telescopic pipe (7) passing through the bracket (8).

3. The quick-release device for wax molds used in precision casting according to claim 2, characterized in that, The other end of the telescopic pipe (7) is fixedly installed with a water injection head (10), and a return spring (9) is fixedly installed on the top of the water injection head (10). One end of the return spring (9) is fixedly installed on the bottom of the bracket (8), and the return spring (9) is sleeved on the telescopic pipe (7).

4. A quick-release device for wax molds used in precision casting according to claim 3, characterized in that, The upper mold (14) has a water inlet (11) on its top. Multiple blocking sliders (12) are slidably installed on the inner side of the water inlet (11). Support springs (13) are fixedly installed at the bottom of each of the multiple blocking sliders (12). The bottoms of the multiple support springs (13) are fixedly installed on the bottom inner wall of the same water inlet (11). The water injection head (10) is adapted to the water inlet (11).

5. A quick-release device for wax molds used in precision casting according to claim 1, characterized in that, Two movable sliders (16) are threaded onto the corresponding ball screws (17). Limit plates (19) are fixedly installed on the top of both movable sliders (16). A motor slot is provided inside the fixed base (4). Two limit servo motors (18) are fixedly installed on the inner wall of one side of the motor slot. The output shafts of the two limit servo motors (18) are respectively connected to the corresponding ball screws (17).

6. A quick-release device for wax molds used in precision casting according to claim 1, characterized in that, The top of the fixed base (4) is fixedly installed with two limiting posts (20), and each of the two limiting posts (20) is rotatably fitted with a limiting clip (21).

7. A quick-release device for wax molds used in precision casting according to claim 6, characterized in that, A positioning post (22) is fixedly installed on one side of each of the two limit clamps (21), and the same positioning spring (23) is fixedly installed on the side of the two positioning posts (22) that are close to each other.

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