Quick forming type 3D printing investment precision casting runner mold

Abstract

The utility model belongs to the technical field of 3D printing, and particularly relates to a fast forming type 3D printing investment precision casting pouring gate mold which comprises a fixed mold plate, a movable mold plate is arranged at the top of the fixed mold plate, and guide rods are fixedly connected to the front portions and the rear portions of the left side and the right side of the top of the fixed mold plate. Vertically-through guide holes are formed in the front portion and the rear portion of the left side and the right side of the interior of the movable mold plate correspondingly, the guide rods are inserted into the guide holes, and stabilizing assemblies are arranged between the interiors of the guide rods and the interiors of the guide holes; according to the mold, the fixed mold plate and the movable mold plate are conveniently and quickly guided and positioned through adaptive insertion of the guide rods and the guide holes, and the mold is conveniently and quickly positioned and mounted, so that the mold is convenient to use and high in practicability, meanwhile, the guide rods and the guide holes are stably connected after being guided and inserted through the stabilizing assemblies, and the service life of the mold is prolonged. And the fixed mold and the movable mold are stably installed, so that the mold is stably installed, and the using effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printing, in particular to a rapid-forming 3D printing investment mold precision casting runner mold. Background Art

[0002] 3D printing, also known as additive manufacturing, is a process that uses the idea of ​​dimensionality reduction manufacturing to convert the complex three-dimensional model of the required workpiece into a combination of simple two-dimensional sections through slicing. Three-dimensional models with arbitrary complex structures are manufactured by printing and stacking material powder layer by layer from bottom to top. Sand mold 3D printing is a rapid prototyping technology mainly based on droplet injection molding. Investment casting belongs to hot forming. In the process of casting changing from liquid to solid, good shrinkage compensation of molten metal is required to form internal density and achieve the mechanical properties required by the design. Therefore, during the hot forming process, castings need gates and runners to provide effective shrinkage compensation channels for castings so that the castings meet the quality requirements.

[0003] A Chinese patent application CN218591736U discloses a rapid-forming 3D printing investment casting runner mold and wax mold, including a fixed mold plate and a movable mold plate. The movable mold plate is provided with a sealant injection hole and a wax injection through hole. The wax injection through hole is located at the center of the movable mold plate. The sealant injection holes are symmetrically arranged on both sides of the wax injection through hole with the wax injection through hole as the symmetry center; the cavity formed by the fixed mold plate and the movable mold plate is filled with electronic sealant or wax liquid; the utility model directly eliminates the production of gates and runner molds, shortens the mold manufacturing cycle, saves mold costs, and saves a lot of product research and development costs.

[0004] However, the existing rapid-forming 3D printing investment wax precision casting runner mold lacks a guiding mechanism when installing between the fixed mold plate and the movable mold plate during use, and it is inconvenient to quickly guide and position the fixed mold plate and the movable mold plate, thereby making it inconvenient to quickly position and install the mold, and making the mold less practical. Therefore, a rapid-forming 3D printing investment wax precision casting runner mold is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the shortcomings of the prior art, the utility model proposes a rapid-forming 3D printing investment wax precision casting runner mold, which solves the problem that the existing rapid-forming 3D printing investment wax precision casting runner mold lacks a guiding mechanism for the installation between the fixed mold plate and the movable mold plate during use, and is inconvenient for rapid guiding and positioning between the fixed mold plate and the movable mold plate, thereby making it inconvenient for rapid positioning and installation of the mold, and making the mold less practical.

[0006] The technical solution adopted by the utility model to solve the technical problem is: a rapid forming 3D printing investment mold precision casting runner mold described in the utility model includes a fixed mold plate;

[0007] A movable template is arranged on the top of the fixed template, and guide rods are fixedly connected to the front and rear of the left and right sides of the top of the fixed template, and guide holes penetrating up and down are opened in the front and rear of the left and right sides inside the movable template, and the guide rods are inserted into the guide holes;

[0008] A stabilizing component is provided between the interior of the guide rod and the interior of the guide hole;

[0009] A cavity is provided between the fixed mold plate and the movable mold plate, a wax injection hole is provided at the center of the top of the movable mold plate, and glue injection holes are provided at both sides of the top of the movable mold plate.

[0010] Preferably, the interior of the wax injection through hole and the interior of the glue injection hole are both communicated with the interior of the mold cavity.

[0011] Preferably, the stabilizing component includes grooves on the left and right sides of the outer surface of the guide rod, a card plate is rotatably connected to the inside of the groove via a rotating rod, an inner groove is opened at the center of the guide rod, and the inside of the inner groove is communicated with the inside of the groove, a spring is fixedly connected between the lower part of the card plate near the center of the inner groove and the inside of the groove, the left and right sides between the front and rear surfaces of the inner groove are rotatably connected to guide wheels via a connecting rod, a receiving groove is opened at the center of the top of the guide rod, a through groove is opened between the inside of the receiving groove and the inside of the inner groove, and the inside of the through groove A pull rod is slidably connected, the top end of the pull rod passes through the upper surface of the through groove and is fixedly connected to a handle plate, the left and right sides of the bottom end of the pull rod are fixedly connected to pull ropes, the bottom end of the pull rope bypasses the guide wheel and passes through the spring 1, and is fixedly connected to the lower side of the clamping plate near the center of the inner groove, a spring 2 is sleeved on the outer surface of the pull rod, the bottom end of the spring 2 is fixedly connected to the outer surface of the pull rod, the top end of the spring 2 is fixedly connected to the inner side wall of the through groove, clamping grooves are opened on the left and right sides of the guide hole, and the bottom of the clamping plate is clamped in the clamping grooves.

[0012] Preferably, the top of the card plate and the bottom of the card plate are both arranged in an arc shape.

[0013] Preferably, the inner lower surface of the card slot is arranged in an arc shape and fits with the bottom of the card plate.

[0014] Preferably, the handle plate is configured to be rectangular and is located inside the storage slot.

[0015] Preferably, a handle is fixedly connected to the top of the handle plate, and the handle is located inside the storage groove.

[0016] The utility model is beneficial in that:

[0017] 1. The utility model facilitates rapid guiding and positioning between the fixed template and the movable template through the adaption and insertion of the guide rod and the guide hole, and facilitates rapid positioning and installation of the mold, thereby making the mold easy to use and highly practical.

[0018] 2. The utility model uses a stabilizing component to ensure that the guide rod and the guide hole are firmly connected after being inserted and guided, and the fixed mold and the movable mold are firmly installed, so that the mold is firmly installed and has a better use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure in the first embodiment;

[0021] Figure 2 It is a schematic diagram of a partial front cross-section structure in the first embodiment;

[0022] Figure 3 It is a schematic diagram of a partial left-section structure in Embodiment 1;

[0023] Figure 4 For Example 1 Figure 3 The enlarged structural diagram at A in the middle;

[0024] Figure 5 For Example 2 Figure 3 Enlarged structural diagram at B in the middle.

[0025] In the figure: 1. Fixed template; 2. Moving template; 3. Glue injection hole; 4. Wax injection hole; 5. Guide hole; 6. Guide rod; 7. Stabilizing component; 701. Pull rod; 702. Through groove; 703. Pull rope; 704. Inner groove; 705. Guide wheel; 706. Connecting rod; 707. Spring 1; 708. Groove; 709. Clamping plate; 710. Clamping groove; 711. Rotating rod; 712. Storage groove; 713. Handle; 714. Handle plate; 715. Spring 2; 8. Cavity. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1

[0028] See also Figure 1-4 As shown, a rapid-forming 3D printing investment casting runner mold comprises a fixed mold plate 1;

[0029] A movable platen 2 is arranged on the top of the fixed platen 1, and guide rods 6 are fixedly connected to the front and rear of the left and right sides of the top of the fixed platen 1, and guide holes 5 are opened in the front and rear of the left and right sides of the movable platen 2, and the guide rods 6 are inserted into the guide holes 5;

[0030] A stabilizing component 7 is provided between the interior of the guide rod 6 and the interior of the guide hole 5;

[0031] A cavity 8 is provided between the fixed template 1 and the movable template 2, a wax injection hole 4 is provided at the center of the top of the movable template 2, and glue injection holes 3 are provided on both sides of the top of the movable template 2. When working, the movable template 2 and the fixed template 1 are first installed, and during installation, the guide rod 6 is inserted into the guide hole 5 for quick and accurate guiding and positioning, so that the movable template 2 and the fixed template 1 are fitted and installed, and when the guide rod 6 is inserted into the guide hole 5, the fixing assembly 7 is used to fix the insertion, so that the movable template 2 and the fixed template 1 are installed. The wax is then dripped into the cavity 8 between the movable template 2 and the fixed template 1 through the wax injection hole 4 and the glue injection hole 3, and the wax completely fills the entire cavity 8. Therefore, the utility model facilitates the rapid guiding and positioning between the fixed template 1 and the movable template 2 through the adaptation and plugging of the guide rod 6 and the guide hole 5, and facilitates the rapid positioning and installation of the mold, so that the mold is easy to use and has strong practicality. At the same time, the stabilizing component 7 makes the guide rod 6 and the guide hole 5 firmly connected after the guiding plugging, and the fixed mold and the movable mold are firmly installed, so that the mold is firmly installed and has a better use effect.

[0032] The interior of the wax pouring through hole 4 and the interior of the glue pouring hole 3 are both connected to the interior of the mold cavity 8; during operation, it is convenient to drip wax and glue into the interior of the mold cavity 8.

[0033] The stabilizing component 7 includes grooves 708 opened on the left and right sides of the outer surface of the guide rod 6, and a clamping plate 709 is rotatably connected to the inside of the groove 708 through a rotating rod 711. An inner groove 704 is opened at the center of the guide rod 6, and the inside of the inner groove 704 is communicated with the inside of the groove 708. A spring 707 is fixedly connected between the lower part of the clamping plate 709 near the center of the inner groove 704 and the inside of the groove 708. The left and right sides between the front and rear surfaces of the inner groove 704 are rotatably connected to guide wheels 705 through connecting rods 706. A storage groove 712 is opened at the center of the top of the guide rod 6. A through slot 702 is provided between the interior of 712 and the interior of the inner groove 704, a pull rod 701 is slidably connected to the interior of the through slot 702, the top end of the pull rod 701 passes through the upper surface of the interior of the through slot 702, and is fixedly connected to a handle plate 714, a pull rope 703 is fixedly connected to the left and right sides of the bottom end of the pull rod 701, the bottom end of the pull rope 703 bypasses the guide wheel 705 and passes through the spring 1 707, and is fixedly connected to the lower side of the clamping plate 709 near the center of the inner groove 704, a spring 2 715 is sleeved on the outer surface of the pull rod 701, and the bottom end of the spring 2 715 is fixedly connected to the outer surface of the pull rod 701 The top of the second spring 715 is fixedly connected to the inner wall of the through groove 702, and the left and right sides of the guide hole 5 are provided with a card slot 710, and the bottom of the card plate 709 is carded inside the card slot 710; during operation, the card plate 709 is squeezed in the process of the guide rod 6 being inserted into the guide hole 5, and the spring 1 707 and the pull rope 703 are contracted by rotating the rotating rod 711, and contracted inside the groove 708, and then the guide rod 6 is completely inserted into the guide hole 5. The card plate 709 corresponds to the card slot 710, and the card plate 709 is rotated and carded inside the card slot 710 under the action of the rebound force of the spring 1 707 being squeezed. And the pull rope 703 is reset, so that the guide rod 6 can be firmly inserted in the guide hole 5, and the movable template 2 and the fixed template 1 can be firmly installed. At the same time, when the movable template 2 and the fixed template 1 are separated, the handle plate 714 is pulled so that the handle plate 714 drives the pull rod 701 and the pull rope 703 to move, and the pull rope 703 is guided by the guide wheel 705 to drive the card plate 709 to rotate out of the card slot 710, and after the pull rod 701 moves, the spring 2 715 is squeezed so that the spring 2 715 has a rebound force to facilitate the reset of the pull rod 701, and then the handle plate 714 is held and pulled to move the guide rod 6 out of the guide hole 5, so that the movable template 2 and the fixed template 1 can be separated.

[0034] The top of the clamping plate 709 and the bottom of the clamping plate 709 are both arranged in an arc shape, which facilitates the rotation of the clamping plate 709 during operation.

[0035] The lower surface of the inner part of the card slot 710 is arranged in an arc shape and fits with the bottom of the card plate 709 ; during operation, the bottom of the card plate 709 is conveniently rotated out of the inner part of the card slot 710 .

[0036] The handle plate 714 is configured to be rectangular and is located inside the receiving slot 712 ; during operation, it is convenient for moving the pull rod 701 .

[0037] Embodiment 2

[0038] See also Figure 5 As shown, compared with Example 1, as another implementation of the present invention, a handle 713 is fixedly connected to the top of the handle plate 714, and the handle 713 is located inside the storage groove 712; when working, the handle 713 facilitates the movement of the handle plate 714.

[0039] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A rapid-forming 3D printing investment casting runner mold, comprising a fixed mold plate (1); Features: A movable platen (2) is arranged on the top of the fixed platen (1), and guide rods (6) are fixedly connected to the front and rear of the left and right sides of the top of the fixed platen (1), and guide holes (5) penetrating upward and downward are opened in the front and rear of the left and right sides inside the movable platen (2), and the guide rods (6) are inserted into the guide holes (5); A stabilizing component (7) is provided between the interior of the guide rod (6) and the interior of the guide hole (5); A cavity (8) is provided between the fixed mold plate (1) and the movable mold plate (2), a wax injection hole (4) extending vertically through the center of the top of the movable mold plate (2), and glue injection holes (3) extending vertically through the top of the movable mold plate (2) are provided on both left and right sides of the top.

2. A rapid prototyping 3D printing investment casting runner mold according to claim 1, characterized in that: The interior of the wax injection through hole (4) and the interior of the glue injection hole (3) are both in communication with the interior of the mold cavity (8).

3. A rapid prototyping 3D printing investment casting runner mold according to claim 2, characterized in that: The stabilizing component (7) comprises grooves (708) provided on the left and right sides of the outer surface of the guide rod (6); a clamping plate (709) is rotatably connected to the inside of the groove (708) via a rotating rod (711); an inner groove (704) is provided at the center of the inside of the guide rod (6); the inside of the inner groove (704) is communicated with the inside of the groove (708); a spring (707) is fixedly connected between the lower part of the clamping plate (709) near the center of the inside of the inner groove (704) and the inside of the groove (708); guide wheels (705) are rotatably connected to the left and right sides between the front and rear surfaces of the inside of the inner groove (704) via a connecting rod (706); a receiving groove (712) is provided at the center of the top of the guide rod (6); a through groove (702) is provided between the inside of the receiving groove (712) and the inside of the inner groove (704); the inside of the through groove (702) A pull rod (701) is slidably connected, the top end of the pull rod (701) passes through the upper surface of the through groove (702) and is fixedly connected to a handle plate (714), the left and right sides of the bottom end of the pull rod (701) are fixedly connected with pull ropes (703), the bottom end of the pull rope (703) bypasses the guide wheel (705) and passes through the spring one (707), and is fixedly connected to the lower side of the clamping plate (709) near the center of the inner groove (704), the outer surface of the pull rod (701) is sleeved with a spring two (715), the bottom end of the spring two (715) is fixedly connected to the outer surface of the pull rod (701), the top end of the spring two (715) is fixedly connected to the inner wall of the through groove (702), the left and right sides of the guide hole (5) are provided with clamping grooves (710), and the bottom of the clamping plate (709) is clamped in the clamping groove (710).

4. A rapid prototyping 3D printing investment casting runner mold according to claim 3, characterized in that: The top of the clamping plate (709) and the bottom of the clamping plate (709) are both arranged in an arc shape.

5. A rapid prototyping 3D printing investment casting runner mold according to claim 4, characterized in that: The inner lower surface of the card slot (710) is arranged in an arc shape and fits with the bottom of the card plate (709).

6. A rapid prototyping 3D printing investment casting runner mold according to claim 5, characterized in that: The handle plate (714) is configured in a rectangular shape and is located inside the storage groove (712).

7. A rapid prototyping 3D printing investment casting runner mold according to claim 6, characterized in that: A handle (713) is fixedly connected to the top of the handle plate (714), and the handle (713) is located inside the storage groove (712).

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