Double-sand-shooting full-automatic core shooter

Abstract

The utility model belongs to the field of precoated sand shell core production and manufacturing equipment, and provides a double-sand-shooting full-automatic core shooting machine which comprises an upper machine body, a lower machine body, a mold opening and closing air cylinder, an upper mold plate, a lower mold plate, a supporting frame, a guide mechanism, a left sand shooting mechanism, a right sand shooting mechanism and an air storage tank. A protective box and a double-open box door which are distributed around the supporting range of the supporting frame are arranged between the upper machine body and the lower machine body, a machine box, a lifting device, a translation device and a belt conveyor are arranged on the front side of the double-open box door, and the translation device is used for driving the belt conveyor to do reciprocating translation motion towards a core shooting station. And the belt conveyor is used for receiving the precoated sand shell core falling from top to bottom after mold opening and transferring the precoated sand shell core to the other end of the belt conveyor. The automatic shell core output device is reasonable in design, capable of automatically outputting shell cores, beneficial to improving the core shooting operation environment, high in utilization rate and suitable for large-scale popularization.

Description

Technical Field

[0001] The utility model belongs to the field of coated sand shell core production and manufacturing equipment, in particular to a double-sand-shooting full-automatic core shooting machine. Background Art

[0002] Coated sand casting is a type of sand casting that uses coated sand to produce coated sand castings. It is a low-energy casting method, particularly for recycling waste sand. Core shooters can be used to produce coated sand shell cores. Injection molding machines use compressed air to evenly inject molding sand into a flask for pre-compaction, and then apply pressure for compaction. Commonly used are vertical-parting flaskless injection molding machines and horizontal-parting flaskless injection molding machines. Vertical-parting flaskless injection molding machines do not use a flask; instead, the molding sand is injected directly into a molding chamber equipped with a template. The resulting sand molds are highly precise, with cavities on both sides of the flask, resulting in high productivity. However, core setting is difficult and requires stringent sand quality. Horizontal-parting flaskless injection molding machines use a flask for molding. After the sand mold is created, the mold is closed and removed from the flask, making core setting easy and highly productive.

[0003] Patent CN217223509U, previously filed by the applicant, discloses a dual-sand automatic core shooter, comprising an upper and lower body, a mold opening and closing cylinder, a movable platen, a static platen, a fixed guide rod, an air storage tank, a sand shooting mechanism, and a slide adjustment mechanism. The sand shooting mechanism includes a sand shooting hopper equipped with an air jet device, an ejector at the bottom of the hopper, and two side-by-side ejection ports at one end. Below the sand shooting hopper and ejector is a horizontal drive cylinder, and below the horizontal drive cylinder is a slide adjustment mechanism. The slide adjustment mechanism comprises a top plate, a mounting plate, a horizontal guide assembly, a vertical guide assembly, and a manual adjustment assembly, the power input of which is located outside the lower body. This device utilizes a dual-sand shooting design, and the slide adjustment mechanism allows the sand shooting mechanism to reach an ideal sand shooting position under the adjustment of the slide. This not only improves sand shooting accuracy but also significantly enhances the quality of sand shot forming in the mold, particularly when using complex molds. However, the equipment still requires manual removal of the molds made by core shooting, which is not conducive to improving production efficiency; furthermore, the overall exterior of the equipment lacks safety protection. For indoor production workshops, the dust generated by the core shooting process will adhere to the surrounding equipment or walls, affecting the workshop environment. Utility Model Content

[0004] In view of the technical problems existing in the above core shooting machines, the utility model proposes a double-sand-shot fully automatic core shooting machine which has a reasonable design, can automatically output shell cores, is conducive to improving the core shooting working environment and has a high utilization rate.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is as follows: the present invention provides a double-sand-shooting fully automatic core-shooting machine, comprising an upper body, a lower body and a mold opening and closing cylinder, a core-shooting station is provided in the mold opening and closing direction of the mold opening and closing cylinder, the core-shooting station is provided with an upper template and a lower template, a support frame and a guide mechanism are provided between the upper body and the lower body, a left sand-shooting mechanism and a right sand-shooting mechanism are provided on the left and right sides of the guide mechanism respectively, an air storage tank is provided inside the lower body, and a support frame is provided between the upper body and the lower body. A protective box is provided with a support range distribution, and a box door frame corresponding to the core shooting station is provided on the front side of the protective box, and a double-opening box door slidingly matched therewith is provided on the box door frame, and a machine box is provided on the front side of the box door frame, and a lifting device is provided on the top of the machine box. The lifting end of the lifting device is provided with a translation device and a belt conveyor, and the translation device is used to drive the belt conveyor to perform a reciprocating translation action toward the core shooting station, and the belt conveyor is used to receive the coated sand shell core falling from top to bottom after the mold is opened and transfer the coated sand shell core to the other end of the belt conveyor.

[0006] Preferably, the protective box includes a base frame connected to the top of the lower body, a plurality of vertical poles are provided on the base frame, the support range formed by the vertical poles on the base frame is larger than the support range of the support frame, a top frame is provided on the top of the vertical poles, and the protective box also includes a plurality of box plates, which are connected to the vertical poles, the base frame and the top frame.

[0007] Preferably, the interior of the protective box is provided with slides distributed on the top and bottom of the door frame, and the slides are used for the double-opening door to move left and right. The double-opening door has multiple transparent windows.

[0008] Preferably, the lifting device is a scissor lift.

[0009] Preferably, the translation device includes a base, translation rails are provided on both sides of the base, a telescopic cylinder is provided between the translation rails, a movable slide is provided at one end of the telescopic cylinder, the movable slide slides in cooperation with the translation rails, a translation seat connected to the movable slide is provided on the movable slide, and the translation seat is used to install a belt conveyor.

[0010] Compared with the prior art, the advantages and safety effects of the present invention are:

[0011] This utility model provides a fully automatic double-sand core shooting machine. A lifting mechanism drives a belt conveyor up and down, while a translation mechanism drives the belt conveyor horizontally. The translation mechanism drives the belt conveyor to receive the coated sand shell cores that fall from top to bottom. The belt conveyor then transfers the coated sand shell cores from the core shooting station. The lifting and translation mechanisms then drive the belt conveyor back to its initial position, achieving the purpose of mobile transfer of coated sand shell cores. A protective box protects the environment near the core shooting station, preventing dust from the sand shooting operation from adhering to other equipment. This device is rationally designed, can automatically output shell cores, improves the core shooting operating environment, and has a high utilization rate, making it suitable for large-scale deployment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, a brief introduction will be given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 An axonometric view of a double-sand shot fully automatic core shooting machine provided in an embodiment;

[0014] Figure 2 This is a cross-sectional view of a double-sand shot fully automatic core shooting machine (without a machine box, lifting device, translation device and belt conveyor);

[0015] Figure 3 A cross-sectional view of the chassis, lifting device, translation device and belt conveyor provided in the embodiment;

[0016] Figure 4 A side view of a double-sand shot fully automatic core shooting machine provided in an embodiment;

[0017] Figure 5 A front view of a double-sand shot fully automatic core shooting machine provided in an embodiment;

[0018] Figure 6 An axonometric view of a double-sand shot fully automatic core shooting machine (without box plate) provided in an embodiment;

[0019] In the above figures, 1. upper body; 2. lower body; 3. mold opening and closing cylinder; 4. core shooting station; 5. support frame; 6. guide mechanism; 7. left sand shooting mechanism; 8. right sand shooting mechanism; 9. gas storage tank; 10. protective box; 101. box door frame; 102. double-opening box door; 103. bottom frame; 104. vertical pole; 105. top frame; 106. box board; 107. slide; 108. transparent window; 11. chassis; 12. lifting device; 13. translation device; 131. base; 132. translation track; 133. telescopic cylinder; 134. movable slide; 135. translation seat; 14. belt conveyor. DETAILED DESCRIPTION

[0020] To more clearly understand the above-mentioned objects, features, and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein may be combined with each other unless they conflict. For ease of description, the words "upper," "lower," "left," and "right" appearing below merely indicate the same directions as in the drawings themselves and do not limit the structure.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Examples, such as Figures 1 to 6As shown, the present invention provides a double-sand-shot fully automatic core-shooting machine, comprising an upper body 1, a lower body 2, and a mold opening and closing cylinder 3. A core-shooting station 4 is provided in the mold opening and closing directions of the mold opening and closing cylinder 3. The core-shooting station 4 is provided with an upper mold plate and a lower mold plate. A support frame 5 and a guide mechanism 6 are provided between the upper body 1 and the lower body 2. A left sand-shooting mechanism 7 and a right sand-shooting mechanism 8 are provided on the left and right sides of the guide mechanism 6, respectively. An air tank 9 is provided inside the lower body 2. A hopper is provided in the upper body 1 for supplying sand material to the left and right sand-shooting mechanisms 7 and 8; the support frame 5 is used to structurally support and fix the upper body 1 and the lower body 2; and the guide mechanism 6 is used to movably guide the upper mold to improve the quality of its mold closing with the lower mold. In order to improve the quality of the sand shooting operation environment, the utility model provides a protective box 10 provided between the upper body 1 and the lower body 2, which is distributed around the support range of the support frame 5. The front side of the protective box 10 is provided with a box door frame 101 corresponding to the core shooting station 4, and the box door frame 101 is provided with a double-opening box door 102 that slides with it. The double-opening box door 102 is divided into left and right sides, and the left door and the right door can be opened to both sides to allow the coated sand shell core products to be transferred out; the protection range of the protective box 10 basically covers the left and right working devices between the upper body 1 and the lower body 2, especially the left sand shooting mechanism 7, the right sand shooting mechanism 8 and the core shooting station 4. In this way, the protective box 10 can protect the environment near the core shooting station 4, prevent the dust from the sand shooting operation from adhering to other equipment in large quantities, thereby achieving the purpose of improving the core shooting operation environment.

[0023] In order to improve production efficiency, the present invention is provided with a machine box 11 on the front side of the door frame 101, that is, the double-opening door 102. A lifting device 12 is provided on the top of the machine box 11. A translation device 13 and a belt conveyor 14 are provided at the lifting end of the lifting device 12. The translation device 13 is used to drive the belt conveyor 14 to perform a reciprocating translation movement toward the core shooting station 4. The belt conveyor 14 is used to receive the coated sand shell cores falling from top to bottom after the mold is opened and transfer the coated sand shell cores to the other end of the belt conveyor 14. Among them, the lifting device 12 can drive the belt conveyor 14 to rise and fall, and the translation device 13 can drive the belt conveyor 14 to translate, and the conveying direction of the belt conveyor 14 corresponds to the opening of the double-opening door 102. Furthermore, after the upper and lower molds of the core shooting station 4 are separated, the coated sand shell core product is still in the upper mold, and after the upper mold is raised to a certain height, the translation device 13 drives the belt conveyor 14 to move to the bottom of the upper mold, thereby receiving the coated sand shell core falling from top to bottom. The belt conveyor 14 uses its circulating belt to transfer the coated sand shell core from the core shooting station 4. At the same time, the elevator and translation device 13 drive the belt conveyor 14 back to the initial position, thereby realizing the mobile transfer of the coated sand shell core, which has strong repeatability and high periodic work efficiency, thereby achieving the purpose of improving production efficiency.

[0024] To improve the protective performance of the protective box 10 and to match it with the core-shooting machine, the protective box 10 provided by the present invention includes a base frame 103 connected to the top of the lower body 2. A plurality of uprights 104 are provided on the base frame 103. The uprights 104 form a support range on the base frame 103 that is larger than the support range of the support frame 5. A top frame 105 is provided on top of the uprights 104. The protective box 10 also includes a plurality of box panels 106 connected to the uprights 104, the base frame 103, and the top frame 105. The base frame 103 has a circumference that is larger than the vertical projection of the upper body 1 and the lower body 2. The uprights 104 are installed near the edges of the base frame 103. The top frame 105 supported thereby has a larger projection area and a certain degree of support strength. Thus, after the box panels 106 are installed, they can effectively cover and surround the core-shooting operation range of the equipment, thereby preventing dust from falling randomly during the core-shooting operation.

[0025] Furthermore, the present invention is provided with slideways 107 distributed at the top and bottom of the door frame 101 inside the protective box 10. The slideways 107 allow the double-opening door 102 to move left and right. The double-opening door 102 has multiple transparent windows 108. The transparent windows 108 allow the staff to see the actual working conditions of the core shooting station 4 in real time. Among them, the slideway 107 can adopt a sliding rod structure or a rectangular or I-shaped slide rail structure. If a sliding rod is adopted, it can be movably interlaced with the top and bottom of the double-opening door 102. If a rectangular or I-shaped slide rail is adopted, corresponding groove structures can be provided at the top and bottom of the double-opening door 102 to ensure that the left door and the right door can be opened and closed smoothly.

[0026] In order to improve the practicality of the lifting device 12, the lifting device 12 provided by the present invention is a scissor lift, which has folding and lifting functions, good supporting effect and lifting stability, and can ensure that the belt conveyor 14 can safely transport the coated sand shell core products.

[0027] In order to improve the translational driving performance of the translation device 13 on the belt conveyor 14, the translation device 13 provided by the present invention includes a base 131, with translation rails 132 provided on both sides of the base 131, a telescopic cylinder 133 provided between the translation rails 132, and a movable slide 134 provided at one end of the telescopic cylinder 133. The movable slide 134 slidably cooperates with the translation rails 132, and a translation seat 135 connected to the movable slide 134 is provided. The translation seat 135 is used to mount the belt conveyor 14. The telescopic cylinder 133 drives the movable slide 134 to perform reciprocating translational movement along the translation rails 132. The movable slide 134 then drives the translation seat 135 and the belt conveyor 14 to perform reciprocating translational movement, thereby ensuring that the belt conveyor 14 can reasonably and safely remove the coated sand shell cores from the core shooting station 4.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A double-sand-shot fully automatic core-shooting machine, comprising an upper body, a lower body, and a mold opening and closing cylinder, wherein a core-shooting station is provided in the mold opening and closing direction of the mold opening and closing cylinder, wherein the core-shooting station is provided with an upper mold and a lower mold, a support frame and a guide mechanism are provided between the upper body and the lower body, a left sand-shooting mechanism and a right sand-shooting mechanism are provided on the left and right sides of the guide mechanism respectively, and an air tank is provided inside the lower body, characterized in that: A protective box is provided between the upper body and the lower body and is distributed around the support range of the support frame. A box door frame corresponding to the core shooting station is provided on the front side of the protective box. A double-opening box door that slides with the box door frame is provided on the front side of the box door frame. A machine box is provided on the front side of the door frame. A lifting device is provided on the top of the machine box. A translation device and a belt conveyor are provided at the lifting end of the lifting device. The translation device is used to drive the belt conveyor to perform a reciprocating translation action toward the core shooting station. The belt conveyor is used to receive the coated sand shell core that falls from top to bottom after the mold is opened and transfer the coated sand shell core to the other end of the belt conveyor.

2. A double-sand shot fully automatic core shooting machine according to claim 1, characterized in that: The protective box includes a base frame connected to the top of the lower body, a plurality of vertical poles are arranged on the base frame, the support range formed by the vertical poles on the base frame is larger than the support range of the support frame, a top frame is arranged on the top of the vertical poles, and the protective box also includes a plurality of box plates, which are connected to the vertical poles, the base frame and the top frame.

3. A double-shot sand fully automatic core shooting machine according to claim 2, characterized in that: The interior of the protective box is provided with slideways distributed on the top and bottom of the box door frame, and the slideways are used for the double-opening box door to move left and right. The double-opening box door has multiple transparent windows.

4. A double-sand shot fully automatic core shooting machine according to claim 1 or 3, characterized in that: The lifting device is a scissor lift.

5. A double-sand shot fully automatic core shooting machine according to claim 4, characterized in that: The translation device includes a base, translation rails are provided on both sides of the base, a telescopic cylinder is provided between the translation rails, a movable slide is provided at one end of the telescopic cylinder, the movable slide slides in cooperation with the translation rails, a translation seat connected to the movable slide is provided on the movable slide, and the translation seat is used to install a belt conveyor.

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