One-time forming process of single-cylinder diesel engine body

Abstract

The invention discloses a one-time forming process of a single-cylinder diesel engine body, and relates to the technical field of diesel engine body production. The forming assemblies are installed in the assembling grooves of the rotating assembly, the driving assembly drives the rotating assembly to rotate, the forming assemblies are rotated to the lower bottom, and the two mold bodies of the forming assemblies are assembled together in a clamped mode in a telescopic pushing mode; and 2, exhausting: rotating the forming assembly to the position of the vacuum pump assembly on one side, butting the forming assembly and the vacuum pump assembly through pipelines, and extracting gas in a cavity of the forming assembly outwards through a vacuum pump, so that the problems that in an existing die-casting one-time forming process, a machine body needs to stand for a period of time after die-casting, the interior of the cavity is cooled to form the machine body, and in the process, the die-casting efficiency is low are solved. And the injection equipment can carry out a new round of injection operation only after standing and part demolding are completed, so that the problems that the forming efficiency is low and the use is inconvenient are solved.

Description

Technical Field

[0001] The invention relates to the technical field of diesel engine body production, in particular to a one-step forming process for a single-cylinder diesel engine body. Background Art

[0002] A diesel engine is an internal combustion engine that uses diesel as fuel. It releases energy by self-igniting the fuel through compressed air. The diesel engine body is mainly manufactured through a one-step die-casting process. Die-casting is a metal casting process that uses the inner cavity of the mold to apply high pressure to the molten metal.

[0003] In the existing die-casting one-shot molding process, the engine body needs to stand still for a period of time after die-casting to allow the temperature in the cavity to cool down and form the engine body. During this process, the injection equipment needs to wait for the standing and part demolding to be completed before a new round of injection operation can be carried out, resulting in low molding efficiency and inconvenience in use. Therefore, a one-shot molding process for a single-cylinder diesel engine body is provided. Summary of the invention

[0004] The purpose of the present invention is to provide a one-time molding process for a single-cylinder diesel engine body, so as to solve the problem that in the existing die-casting one-time molding process proposed in the above background technology, the body needs to be left standing for a period of time after die-casting to cool down the cavity to form the body. In this process, the injection equipment needs to wait for the standing and demolding of the parts to be completed before a new round of injection operation can be carried out, resulting in low molding efficiency and inconvenience in use.

[0005] To achieve the above object, the present invention provides the following technical solution: a one-step forming process for a single-cylinder diesel engine body, comprising the following steps: Step 1: Install the mold body; install the molding assembly in each groove of the rotating assembly, drive the rotating assembly to rotate through the driving assembly, rotate the molding assembly to the bottom, and assemble the two mold bodies of the molding assembly together by telescopic pushing; Step 2: Exhaust, rotate the molding component to the position of the vacuum pump component on one side, connect the two pipelines, and use the vacuum pump to extract the gas in the molding component cavity outward; Step 3: Injection: Rotate the molding component to the upper top, drive the injection component to move forward through the displacement component, move the injection component to the front end of the molding component, dock the discharge port of the injection component with the feed port of the molding component, and inject the liquid into the molding cavity in the molding component; Step 4: Standing and demoulding, rotate the molding component to the other side, let the molding component stand after the liquid is injected, rotate the molding component to the bottom again, separate the two mold bodies of the molding component by telescopic drive, and demould the internal static molding body.

[0006] Preferably, the rotating assembly in step one includes a rotating table, a plurality of annularly spaced assembly grooves are provided on the outer wall of the rotating table, a plurality of side grooves are provided on the inner walls on both sides of the assembly groove, and a discharge port is provided at the lower bottom of the assembly groove.

[0007] Preferably, the molding assembly in step one includes a static mold body and a dynamic mold body, the upper and lower ends of the static mold body are provided with a first assembly frame, the outer wall of the static mold body is provided with a control valve, one end of the control valve is provided with a static mold docking end, a slot is provided on the outer wall of the static mold docking end, and the lower surface of the static mold body is provided with a vacuum valve.

[0008] Preferably, second assembly frames are provided at both upper and lower ends of the movable mold body, sliding sleeves are provided on both sides of the second assembly frame, the sliding sleeves are sleeved on guide rods, the guide rods are installed in side grooves, and a magnetic suction groove is opened on the outer wall of the movable mold body.

[0009] Preferably, the driving assembly in step one includes a driving platform, a driving motor for driving the rotating platform to rotate is arranged at the middle position of the driving platform, a first electric telescopic rod is arranged at a position of the outer wall of the driving platform near the lower bottom, and an electromagnet matching the magnetic suction groove is arranged at the telescopic end of the first electric telescopic rod.

[0010] Preferably, the displacement assembly in step three includes a plurality of support frames, a ball screw is arranged in the groove of the outer wall of the support frame, a screw slider is arranged on the outer wall of the ball screw, a screw motor is arranged at one end of the ball screw, and an assembly plate is arranged between the screw sliders.

[0011] Preferably, the injection assembly in step three includes an injection pressure chamber installed on an assembly plate, a hydraulic cylinder is provided at one end of the injection pressure chamber, a telescopic end of the hydraulic cylinder is provided with an injection punch extending into the injection pressure chamber, an injection docking end is provided at the other end of the injection pressure chamber, and the injection docking end is assembled and combined with the static mold docking end through a card slot, and a feeding port is provided on the upper surface of the injection pressure chamber.

[0012] Preferably, the vacuum pump assembly in step 2 includes a telescopic tube, one end of which is provided with a tube body butt end, an insert block is provided on the outer wall of the tube body butt end, and the tube body butt end is plug-in connected to the end of the vacuum valve through the insert block.

[0013] Preferably, brackets are provided at both upper and lower ends of the butt end of the tube body, and a second electric telescopic rod is provided at one end of the bracket.

[0014] Preferably, a conveyor is provided below the rotating assembly.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the position of each molding component can be adjusted by rotation. The molding component consists of a movable mold body and a static mold body. The closing and separation states of the mold body can be adjusted by a first electric telescopic rod, which facilitates mold closing and demolding operations. By rotating, when the mold body is stationary, the injection, exhaust, and demolding operations in other processes are not affected, and the production efficiency of the entire diesel engine body in the one-time molding process can be effectively improved.

[0016] 2. The molding components, injection components and vacuum pump components in the present invention all have displacement functions, which can realize the assembly and separation operations between pipelines, can be effectively assembled and combined with various molding components, and are very convenient to switch and adjust. At the same time, they can also realize the material discharge function, which is conducive to use in a one-time molding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the structure of the driving assembly of the present invention; Figure 3 It is a schematic diagram of the static mold structure of the present invention; Figure 4 It is a schematic diagram of the structure of the movable mold body of the present invention; Figure 5 It is a schematic diagram of the structure of the second electric telescopic rod of the present invention; Figure 6 It is a schematic diagram of the structure of the vacuum pump assembly of the present invention; In the figure: 1. driving assembly; 101. driving platform; 102. driving motor; 103. first electric telescopic rod; 104. electromagnet; 2. rotating assembly; 201. rotating platform; 202. assembly groove; 203. side groove; 204. feeding port; 3. displacement assembly; 301. support frame; 302. ball screw; 303. screw slider; 304. assembly plate; 4. injection assembly; 401. injection pressure chamber; 402. hydraulic cylinder; 403. feeding port; 404. Injection docking end; 5. Molding component; 501. Static mold body; 502. First assembly frame; 503. Control valve; 504. Static mold docking end; 505. Slot; 506. Vacuum valve; 507. Moving mold body; 508. Second assembly frame; 509. Sliding sleeve; 510. Guide rod; 511. Magnetic suction groove; 6. Conveyor; 7. Vacuum pump assembly; 701. Telescopic tube; 702. Tube body docking end; 703. Insert block; 704. Bracket; 705. Second electric telescopic rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] See also Figure 2 , Figure 3 , Figure 4 , Figure 5 , an embodiment provided by the present invention: a one-step forming process of a single-cylinder diesel engine body, comprising the following steps: Step 1: Installing the mold body; install the molding assembly 5 in each groove of the rotating assembly 2, drive the rotating assembly 2 to rotate by the driving assembly 1, rotate the molding assembly 5 to the bottom, and assemble the two mold bodies of the molding assembly 5 together by telescopic pushing; Step 2: Exhaust, rotate the molding component 5 to the position of the vacuum pump component 7 on one side, connect the pipelines of the two, and extract the gas in the cavity of the molding component 5 outwards through the vacuum pump; Step 3: Injection; rotate the molding component 5 to the upper top, drive the injection component 4 to move forward through the displacement component 3, so that the injection component 4 moves to the front end of the molding component 5, and dock the discharge port of the injection component 4 with the feed port of the molding component 5 by docking, and inject the liquid into the molding cavity in the molding component 5; Step 4: Standing and demoulding, rotating the molding component 5 to the other side, standing the molding component 5 after the liquid is injected, rotating the molding component 5 to the bottom again, separating the two mold bodies of the molding component 5 by telescopic driving, and demoulding the machine body formed by standing inside; The rotating assembly 2 includes a rotating table 201, a plurality of annularly spaced assembly grooves 202 are arranged on the outer wall of the rotating table 201, a plurality of side grooves 203 are provided on the inner walls on both sides of the assembly groove 202, a feed opening 204 is provided at the bottom of the assembly groove 202, the molding assembly 5 includes a static mold body 501 and a dynamic mold body 507, a first assembly frame 502 is provided at both the upper and lower ends of the static mold body 501, a control valve 503 is provided on the outer wall of the static mold body 501, a static mold docking end 504 is provided at one end of the control valve 503, a card slot 505 is provided on the outer wall of the static mold docking end 504, a vacuum valve 506 is provided on the lower surface of the static mold body 501, and a dynamic mold body 507 is provided. 07 is provided with a second assembly frame 508 at both upper and lower ends, and a sliding sleeve 509 is provided on both sides of the second assembly frame 508. The sliding sleeve 509 is sleeved on the guide rod 510, and the guide rod 510 is installed in the side groove 203. A magnetic suction groove 511 is provided on the outer wall of the movable mold body 507. The driving component 1 includes a driving platform 101. A driving motor 102 for driving the rotating platform 201 to rotate is provided at the middle position of the driving platform 101. A first electric telescopic rod 103 is provided at a position near the lower bottom of the outer wall of the driving platform 101. The telescopic end of the first electric telescopic rod 103 is provided with an electromagnet 104 matching the magnetic suction groove 511. A conveyor 6 is provided below the rotating component 2; During assembly, the rotating table 201 is driven to rotate by the driving motor 102, and the molding assembly 5 is rotated to the lower bottom. The molding assembly 5 is divided into a movable mold body 507 and a static mold body 501. The static mold body 501 is fixed in the assembly groove 202, and the movable mold body 507 can be displaced. During assembly, the first electric telescopic rod 103 is extended forward, and the electromagnet 104 is inserted into the magnetic suction groove 511. The electromagnet 104 is energized to generate magnetism, and the movable mold body 507 is pushed by the magnetic suction force and thrust. During the movement of the movable mold body 507, its sliding sleeve 509 slides on the guide rod 510, and the movable mold body 507 and the static mold body 501 are plugged and installed together. After that, the electromagnet 104 is powered off and demagnetized, and the first electric telescopic rod 103 retracts, and the electromagnet 104 is powered off and demagnetized. The iron 104 is separated from the magnetic suction groove 511; the rotating table 201 is rotated again, and the assembled molding component 5 is moved to the vacuum pump component 7 for exhaust operation. After exhaust, it is rotated to the upper top and injection docking operation is performed with the injection component 4. Finally, it is rotated to the other side and left to stand, and cooled by the air cooling equipment in the factory; after standing and cooling, the molding component 5 is rotated to the lower bottom again, and the movable mold body 507 is adsorbed and fixed by the first electric telescopic rod 103 and the electromagnet 104. The first electric telescopic rod 103 retracts backward to separate the movable mold body 507 from the static mold body 501. During the separation process, the body located in the cavity between the two mold bodies falls off, falls onto the conveyor 6 through the discharge port 204, and the body is sent out.

[0020] See also Figure 1, a displacement assembly 3 is arranged at the front end of the rotating assembly 2, the displacement assembly 3 includes a plurality of support frames 301, a ball screw 302 is arranged in the slot of the outer wall of the support frame 301, a screw slider 303 is arranged on the outer wall of the ball screw 302, a screw motor (not shown in the figure) is arranged at one end of the ball screw 302, an assembly plate 304 is arranged between the screw sliders 303, an injection assembly 4 includes an injection pressure chamber 401 installed on the assembly plate 304, a hydraulic cylinder 402 is arranged at one end of the injection pressure chamber 401, a shot punch (not shown in the figure) is arranged at the telescopic end of the hydraulic cylinder 402 extending into the injection pressure chamber 401, an injection docking end 404 is arranged at the other end of the injection pressure chamber 401, and the injection docking end 404 is assembled and combined with the static mold docking end 504 through a slot 505, and a feeding port 403 is arranged on the upper surface of the injection pressure chamber 401; The screw motor and the ball screw 302 drive the screw slider 303 to form a screw linear module, which is used to drive the assembly plate 304 to perform displacement operation. When the assembly plate 304 moves, the injection assembly 4 is driven to move, so that the slot 505 of the injection docking end 404 is plugged and pulled together with the static mold docking end 504, so that a connecting pipeline is formed between the two. The injection docking end 404 adds the required liquid to the injection pressure chamber 401 through the feeding port 403, and drives the injection punch forward through the hydraulic cylinder 402 to inject the liquid into the molding cavity of the molding component 5, so that the liquid can be die-cast into a body structure with the same shape as the molding cavity after being left to stand; After injection, the control valve 503 closes the pipeline, and the displacement component 3 drives the injection component 4 to move backward, so that the injection docking end 404 is separated from the static mold docking end 504, so that the rotating component 2 can move the mold after injection to one side for static placement, and move another empty mold to that place for a new round of die-casting operation.

[0021] See also Figure 6 The vacuum pump assembly 7 includes a telescopic tube 701, one end of which is provided with a tube body docking end 702, an insert block 703 is provided on the outer wall of the tube body docking end 702, and the tube body docking end 702 is plug-in-connected with the end of the vacuum valve 506 through the insert block 703, and brackets 704 are provided at both upper and lower ends of the tube body docking end 702, and a second electric telescopic rod 705 is provided at one end of the bracket 704; After the body in the mold is discharged, the two mold bodies are closed again through the first electric telescopic rod 103, and the mold body is moved to the vacuum pump assembly 7. The second electric telescopic rod 705 is extended forward to drive the tube body docking end 702 to move forward, and is plugged together with the end of the vacuum valve 506 through the plug block 703. The telescopic tube 701 extends along with the movement, and then the gas in the membrane body cavity is discharged through the vacuum pump. After the discharge, the vacuum valve 506 closes the pipeline, so that the mold body is in a closed state, which can effectively avoid the influence of gas on the die-casting process and improve the quality of the finished product.

[0022] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A one-step forming process for a single-cylinder diesel engine body, characterized in that: The following steps are involved: Step 1: Phantom installation; The molding assembly (5) is installed in each groove of the rotating assembly (2), and the rotating assembly (2) is driven to rotate by the driving assembly (1), and the molding assembly (5) is rotated to the bottom, and the two mold bodies of the molding assembly (5) are snap-fitted and assembled together by telescopic pushing; Step 2: exhaust, rotate the molding component (5) to the position of the vacuum pump component (7) on one side, connect the pipelines of the two, and use the vacuum pump to extract the gas in the cavity of the molding component (5) outwards; Step 3: Injection; rotating the molding component (5) to the upper top, driving the injection component (4) to move forward through the displacement component (3), so that the injection component (4) moves to the front end of the molding component (5), docking the discharge port of the injection component (4) with the feed port of the molding component (5), and injecting the liquid into the molding cavity in the molding component (5); Step 4: Standing and demoulding, the molding component (5) is rotated to the other side, and the molding component (5) after the liquid is injected is allowed to stand. The molding component (5) is rotated to the bottom again, and the two mold bodies of the molding component (5) are separated by telescopic driving, so that the machine body that is statically molded inside can be demoulded.

2. The one-step forming process of a single-cylinder diesel engine body according to claim 1, characterized in that: In step 1, the rotating assembly (2) comprises a rotating table (201), the outer wall of the rotating table (201) is provided with a plurality of annularly spaced assembly grooves (202), the inner walls on both sides of the assembly groove (202) are provided with a plurality of side grooves (203), and the lower bottom of the assembly groove (202) is provided with a discharge port (204).

3. The one-step forming process of a single-cylinder diesel engine body according to claim 2, characterized in that: In the step 1, the molding assembly (5) comprises a static mold body (501) and a dynamic mold body (507); the static mold body (501) is provided with a first assembly frame (502) at both upper and lower ends; the static mold body (501) is provided with a control valve (503) on its outer wall; one end of the control valve (503) is provided with a static mold docking end (504); a slot (505) is provided on the outer wall of the static mold docking end (504); and a vacuum valve (506) is provided on the lower surface of the static mold body (501).

4. The one-step forming process of a single-cylinder diesel engine body according to claim 3, characterized in that: The upper and lower ends of the movable mold body (507) are both provided with a second assembly frame (508), both sides of the second assembly frame (508) are provided with a sliding sleeve (509), the sliding sleeve (509) is sleeved on a guide rod (510), the guide rod (510) is installed in the side groove (203), and a magnetic suction groove (511) is opened on the outer wall of the movable mold body (507).

5. The one-step forming process of a single-cylinder diesel engine body according to claim 4, characterized in that: In step 1, the driving assembly (1) comprises a driving platform (101), a driving motor (102) for driving the rotating platform (201) to rotate is arranged at a middle position of the driving platform (101), a first electric telescopic rod (103) is arranged at a position close to the lower bottom of the outer wall of the driving platform (101), and an electromagnet (104) matching the magnetic suction groove (511) is arranged at the telescopic end of the first electric telescopic rod (103).

6. The one-step forming process of a single-cylinder diesel engine body according to claim 5, characterized in that: The displacement assembly (3) in step three comprises a plurality of support frames (301), a ball screw (302) being arranged in a groove on an outer wall of the support frame (301), a screw slider (303) being arranged on an outer wall of the ball screw (302), a screw motor being arranged at one end of the ball screw (302), and an assembly plate (304) being arranged between the screw sliders (303).

7. The one-step forming process of a single-cylinder diesel engine body according to claim 6, characterized in that: The injection assembly (4) in step three comprises an injection pressure chamber (401) mounted on an assembly plate (304); a hydraulic cylinder (402) is provided at one end of the injection pressure chamber (401); a telescopic end of the hydraulic cylinder (402) is provided with an injection punch extending into the injection pressure chamber (401); an injection docking end (404) is provided at the other end of the injection pressure chamber (401); the injection docking end (404) is assembled with the static mold docking end (504) via a slot (505); and a feeding port (403) is provided on the upper surface of the injection pressure chamber (401).

8. The one-step forming process of a single-cylinder diesel engine body according to claim 7, characterized in that: In step 2, the vacuum pump assembly (7) comprises a telescopic tube (701), one end of the telescopic tube (701) being provided with a tube body butt end (702), an insert block (703) being provided on the outer wall of the tube body butt end (702), and the tube body butt end (702) being pluggably connected to the end of the vacuum valve (506) via the insert block (703).

9. The one-step forming process of a single-cylinder diesel engine body according to claim 8, characterized in that: Brackets (704) are provided at both the upper and lower ends of the tube body butt end (702), and a second electric telescopic rod (705) is provided at one end of the bracket (704).

10. The one-step forming process of a single-cylinder diesel engine body according to claim 9, characterized in that: A conveyor (6) is provided below the rotating assembly (2).

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