CN210966847U - Investment casting shell making equipment for preparing automobile parts - Google Patents

Abstract

The utility model discloses a shell making device for investment casting of automobile parts, which comprises an upper die and a lower die, wherein the upper die is arranged on the outer wall of the upper end of the lower die, a handle is arranged on the outer wall of the upper end of the upper die, the upper die can be firstly transversely slid leftwards or rightwards, when a positioning block passes through the positioning hole, the lower end of the positioning block is pressed into the positioning hole under the action of a spring, so that the upper die is clamped, a fixing knob is rotationally arranged on an upper screw rod and a lower screw rod, the upper die and the lower die are fixed, the upper die and the lower die can be rapidly positioned and fixed, when the fixing knob can not be rotated to the upper screw rod and the lower screw rod, the reason needs to be found, whether the positioning hole or the positioning block is worn or not is carefully seen, effective positioning can not be carried out, the displacement of the upper die and the lower, finally, cooling liquid can be injected into the inlet, so that the formed wax mold is rapidly cooled.

Description

Investment casting shell making equipment for preparing automobile parts

Technical Field

The utility model belongs to the technical field of the car is relevant, concretely relates to preparation automobile parts investment casting system shell equipment.

Background

Investment casting, also known as lost wax casting, includes the steps of pressing wax, trimming wax, assembling tree, dipping slurry, melting wax, casting molten metal, post-treatment and the like, the lost wax casting is to make a wax pattern of a part to be cast by using wax, then coating the wax pattern with slurry, namely a mud pattern, and after the mud pattern is dried, putting the mud pattern into hot water to melt the internal wax pattern. Taking out the melted wax pattern and roasting to form the ceramic mold. The most important advantage of investment casting is that because investment casting has very high dimensional accuracy and surface smoothness, it can reduce machining work, only a small machining allowance is left at the position with higher requirement on the part, even some castings only have grinding and polishing allowance, and can be used without machining.

The prior investment casting shell making equipment has the following problems: the existing wax mould is usually formed by naturally cooling the wax mould when the wax mould is manufactured, so that a large amount of time is consumed for the wax mould during forming, the production efficiency of the wax mould is low, the position of an upper mould and a lower mould is inaccurate easily caused during manual wax mould closing, the abrasion of a positioning hole is caused unconsciously after the wax mould is used for a long time, and the displacement is easily caused.

Disclosure of Invention

An object of the utility model is to provide a preparation automobile parts investment casting shell making equipment to just need consume a large amount of time and the problem of the wearing and tearing that cause the locating hole after using for a long time when proposing the natural cooling shaping in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a preparation automobile parts investment casting system shell equipment, includes mould and lower mould, it installs on the upper end outer wall of lower mould to go up the mould, be provided with the handle on going up the mould upper end outer wall, it all is provided with annotates the wax passageway to go up mould and lower mould right-hand member outer wall inside, be provided with fixed knob on going up the mould front end outer wall, all be provided with the screw rod on going up the mould downside front and back both ends outer wall, all be provided with down the screw rod around the lower mould upside on the both ends outer wall, be provided with the die cavity on annotating the left lower mould of wax passageway, upward be provided with the location slider on the mould lower extreme outer wall, the inside round hole that is provided with of location slider lower extreme outer wall, the inside of round hole.

Preferably, the inner pipe is arranged on the outer wall of the right end of the inlet, and the outlet is formed in the outer wall of the right end of the inner pipe.

Preferably, the outlet is respectively arranged in the outer walls of the rear ends of the upper die and the lower die, and the inner pipe is a U-shaped pipe.

Preferably, the inside of fixed knob is provided with the screw, go up the screw rod and all set up in the inside of fixed knob with lower screw rod.

Preferably, the positioning block is cylindrical, and the length of the positioning block is smaller than the depth of the round hole.

Preferably, the number of the positioning blocks is two, and positioning chutes right below the two positioning blocks are provided with positioning holes.

Compared with the prior investment casting shell making equipment technology, the utility model provides a preparation automobile parts investment casting shell making equipment possesses following beneficial effect:

the utility model discloses use wax matrix mould in the mould casting process of preparing automobile parts melting, this wax matrix mould is through increasing the inner tube in the inside of last mould and lower mould, and pour into the coolant liquid into the inner tube, make the shaping wax matrix cool off fast, and through increasing two half screw rods, whether locating piece or locating hole are lossy can be tested like this, in order to avoid causing the location inaccurate, when using this wax matrix mould to prepare the wax matrix of automobile parts, hold two handles on the last mould with the hand first, then transversely move the last mould to the lower mould, can let the location slider of last mould install in the location spout of lower mould, so conveniently transversely fix the last mould to the lower mould, and when vertically fixing a position, inconvenient use eyes to look over, locating piece at this moment is because of location spout medium pressure, suppress it in the round hole, then transversely slide left or right the last mould always, when the locating piece is through the locating hole, effect through the spring, impress the lower extreme of locating piece in the locating hole, make and go up the mould and be blocked, install last screw rod and lower screw rod through the rotation with fixed knob after that, let go up mould and lower mould and fix, just so can be quick fix a position and fix last mould and lower mould, when fixed knob can't rotate last screw rod and lower screw rod, just so need look for the reason, carefully see whether wearing and tearing appear in locating hole or locating piece, can't effectively fix a position, it shifts to have caused last mould and lower mould, avoid appearing the shaping wax matrix of damage, just at last can pour into the import with the coolant liquid into, make the quick cooling of shaping wax matrix.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic perspective view of an investment casting shell-making apparatus for manufacturing automobile parts according to the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the investment mold provided by the present invention;

fig. 3 is a schematic view of the internal structure of the upper mold provided by the present invention;

fig. 4 is a schematic view of the internal structure of the positioning slider provided by the present invention;

in the figure: 1. an upper die; 2. a handle; 3. a wax injection channel; 4. a lower die; 5. fixing the knob; 6. an inlet; 7. an upper screw rod; 8. a mold cavity; 9. a lower screw rod; 10. positioning the sliding block; 11. positioning the chute; 12. an inner tube; 13. an outlet; 14. a circular hole; 15. positioning blocks; 16. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a preparation automobile parts investment casting system shell equipment, including last mould 1 and lower mould 4, it installs on the upper end outer wall of lower mould 4 to go up mould 1, upward be provided with handle 2 on 1 upper end outer wall of mould, it all is provided with annotates wax passageway 3 to go up mould 1 and 4 right-hand member outer walls inside, upward be provided with fixed knob 5 on 1 front end outer wall of mould, all be provided with screw rod 7 around going up mould 1 downside on the both ends outer wall, all be provided with down screw rod 9 around 4 upside of lower mould on the both ends outer wall, it is provided with die cavity 8 on 3 left lower moulds 4 of wax passageway to annotate, upward be provided with location slider 10 on 1 lower extreme outer wall, location slider 10 lower extreme outer wall inside is provided with round hole 14, the inside of round hole 14 is provided with locating piece 15, locating piece 15.

An investment casting shell making device for preparing automobile parts comprises an upper die 1 and a lower die 4, wherein inlets 6 are arranged inside the outer walls of the front ends of the upper die 1 and the lower die 4, inner tubes 12 are arranged on the outer walls of the right ends of the inlets 6, outlets 13 are arranged on the outer walls of the right ends of the inner tubes 12, cooling liquid is injected into the inner tubes 12, rapid cooling of a formed wax mold is facilitated, the outlets 13 are respectively arranged inside the outer walls of the rear ends of the upper die 1 and the lower die 4, the inner tubes 12 are U-shaped tubes, cooling liquid can be injected into the upper die 1 and the lower die 4, the formed wax mold is cooled more rapidly, screw holes are arranged inside a fixing knob 5, an upper screw 7 and a lower screw 9 are arranged inside the fixing knob 5, the upper die 1 and the lower die 4 are fixed through the fixing knob 5, whether a positioning block 15 or a positioning hole is abraded or not is convenient to test, the positioning block 15, like this with location slider 10 when sliding in location spout 11 for in 15 indents round hole 14 of locating piece, locating piece 15 is provided with two altogether, and locating spout 11 under two locating pieces 15 all is provided with the locating hole, can go into the locating hole with locating piece 15 card like this, conveniently go up mould 1 and lower mould 4 and fix.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when the wax mold die for investment casting of automobile parts is installed, the positioning block 15 is installed in the circular hole 14 through the spring 16, then the two positioning sliders 10 are respectively installed on the outer wall of the lower end of the upper die 1, the positioning chutes 11 are installed on the lower die 4 under the two positioning sliders 10, and the positioning holes are installed in the positioning chutes 11, at this time, the two inner tubes 12 can be respectively installed inside the upper die 1 and the lower die 4, the lower inner tube 12 is under the die cavity 8 of the lower die 4, the upper inner tube 12 is over the die cavity 8 of the upper die 1, when the wax mold die is used for preparing the wax mold of automobile parts, the two handles 2 on the upper die 1 are firstly held by hands, then the upper die 1 is transversely moved to the lower die 4, the positioning sliders 10 of the upper die 1 can be installed in the positioning chutes 11 of the lower die 4, at this time, the positioning block 15 is pressed in the round hole 14 through the elastic force of the spring 16 due to the pressure in the positioning chute 11, then the upper die 1 slides leftwards or rightwards all the time, when the positioning block 15 passes through the positioning hole, the lower end of the positioning block 15 is pressed in the positioning hole through the action of the spring 16, so that the upper die 1 is clamped, then the fixing knob 5 is installed on the upper screw 7 and the lower screw 9 through rotation, the upper die 1 and the lower die 4 are fixed, then the cooling pipes are respectively installed on the inlet 6 and the outlet 13 on the upper die 1 and the lower die 4, wax pressing is injected into the wax injection channel 3, meanwhile, cooling liquid is injected into the inlet 6, and flows to the inner pipe 12 from the inlet 6, so that the molding wax die is cooled rapidly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a preparation automobile parts investment casting shell making equipment, includes mould (1) and lower mould (4), its characterized in that: the wax injection mould is characterized in that the upper mould (1) is arranged on the outer wall of the upper end of the lower mould (4), the outer wall of the upper end of the upper mould (1) is provided with a handle (2), the inner parts of the outer walls of the right ends of the upper mould (1) and the lower mould (4) are respectively provided with a wax injection channel (3), the outer wall of the front end of the upper mould (1) is provided with a fixed knob (5), the outer walls of the front end and the rear end of the lower side of the upper mould (1) are respectively provided with an upper screw (7), the outer walls of the front end and the rear end of the upper side of the lower mould (4) are respectively provided with a lower screw (9), the lower mould (4) at the left side of the wax injection channel (3) is provided with a mould cavity (8), the outer wall of the lower end of the upper mould (1) is provided with a positioning slide block (10, and a positioning sliding groove (11) is formed in the outer wall of the upper end of the lower die (4).

2. The investment casting shell making apparatus for making automobile parts according to claim 1, wherein: go up the front end outer wall inside of mould (1) and lower mould (4) and all be provided with import (6), all be provided with inner tube (12) on import (6) right-hand member outer wall, be provided with export (13) on inner tube (12) right-hand member outer wall.

3. The investment casting shell making apparatus for making automobile parts according to claim 2, wherein: the outlet (13) is respectively arranged in the outer walls of the rear ends of the upper die (1) and the lower die (4), and the inner tube (12) is a U-shaped tube.

4. The investment casting shell making apparatus for making automobile parts according to claim 1, wherein: the inside of fixed knob (5) is provided with the screw, go up screw rod (7) and lower screw rod (9) and all set up the inside at fixed knob (5).

5. The investment casting shell making apparatus for making automobile parts according to claim 1, wherein: the positioning block (15) is cylindrical, and the length of the positioning block (15) is smaller than the depth of the round hole (14).

6. The investment casting shell making apparatus for making automobile parts according to claim 1, wherein: the positioning blocks (15) are arranged in two, and positioning holes are formed in the positioning sliding grooves (11) on the right lower sides of the two positioning blocks (15).

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