Mechanical engineering casting injection molding device

Abstract

The utility model discloses a mechanical engineering casting injection molding device which comprises a base and a fixing plate, the base is fixed at the bottom of the fixing plate, the upper side of the fixing plate is fixedly connected with a hydraulic cylinder, an injection cylinder is arranged below the hydraulic cylinder, an output shaft of the hydraulic cylinder penetrates through the injection cylinder and is connected with a piston, and the piston is connected with a piston rod. A piston is arranged on the base, the piston is in sealed sliding connection with the inner wall of the injection barrel, a feeding port is formed in the side wall of the injection barrel and communicated with a material box, a one-way valve is arranged on the feeding port, an upper mold is fixedly connected to the side wall of the fixing plate and located below the injection barrel, and a lower mold corresponding to the upper mold is arranged on the base. According to the injection molding device, the hydraulic cylinder is matched with the injection barrel, so that materials are injected into the mold cavity, and meanwhile, the hydraulic cylinder and the conveying equipment alternately operate, so that the automatic operation of the injection molding device is realized, the potential safety hazard of manual operation is reduced, and meanwhile, the working efficiency of injection molding of castings can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of casting injection molding, in particular to a mechanical engineering casting injection molding device. Background Art

[0002] Casting injection molding is a technology that mixes metal powder with a binder and injects it into a mold through an injection machine. Casting injection molding can produce parts with complex shapes with high precision and low cost, and is suitable for large-scale production. At the same time, with the increasing demand for lightweight and high-performance materials in the automotive, aerospace, medical and other fields, the casting injection molding market will usher in greater development space; after the casting molding device processes the material into the mold, it is necessary to transport and remove the processed components from the mold to facilitate the next casting injection. However, at this stage, this process needs to be performed manually, which poses a great safety hazard, and the labor efficiency is unstable, resulting in low production efficiency and lack of intelligence. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: the process of manually conveying and removing processed components has great safety hazards, and the manual efficiency is unstable, resulting in low production efficiency, and it is not intelligent enough, and a mechanical engineering casting injection molding device is proposed.

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

[0005] A mechanical engineering casting injection molding device comprises a base and a fixed plate, wherein the base is fixed to the bottom of the fixed plate, a hydraulic cylinder is fixedly connected to the upper side of the fixed plate, an injection barrel is arranged below the hydraulic cylinder, an output shaft of the hydraulic cylinder penetrates the injection barrel and is connected to a piston, the piston is sealingly and slidingly connected to the inner wall of the injection barrel, a feed port is arranged on the side wall of the injection barrel, and the feed port is connected to a material box, a one-way valve is arranged on the feed port, an upper mold is fixedly connected to the side wall of the fixed plate, and the upper mold is arranged below the injection barrel, a lower mold corresponding to the upper mold is arranged on the base, a mold cavity is formed between the upper mold and the lower mold, the discharge port of the injection barrel is connected to the mold cavity, a slider is arranged between the hydraulic cylinder and the injection barrel, and the slider is fixedly connected to the output shaft of the hydraulic cylinder, and a control mechanism for controlling the opening and closing of the upper mold and the lower mold is arranged on one side of the slider.

[0006] Preferably, the control mechanism includes a slide plate 1, a gear 1, a rotating shaft, a slide plate 2, and a bottom plate, the slide plate 1 is fixedly connected to the slider, the gear 1 is rotatably connected to the fixed plate via a rotating shaft, the slide plate 1 and the slide plate 2 are respectively arranged on both sides of the gear 1, and the slide plate 1 and the slide plate 2 are both provided with tooth grooves matching the gear 1, the bottom plate is fixedly connected to the bottom of the slide plate 2, the bottom plate is fixedly connected to the lower mold, and the lower end of the slide plate 2 is provided with a conveying mechanism for conveying the casting.

[0007] Preferably, the conveying mechanism includes a T-shaped slider, a fixed plate one, an L-shaped rod, a fixed plate two, a contact block, a rack, a gear two, a support rod, a contact rod, a spring, and a toothed plate, the fixed plate one is fixedly connected to the side wall of the upper mold, the T-shaped slider is fixed to one end of the L-shaped rod, the L-shaped rod is symmetrically arranged on both sides of the fixed plate one, and the fixed plate one is provided with a T-shaped slide groove matching the T-shaped slider, the other end of the L-shaped rod is fixedly connected to the fixed plate two, the rack and the contact block are respectively fixedly connected to the fixed plate two, the gear two is rotatably connected to the bottom of the fixed plate one, the rack is meshed with the gear two, the toothed plate is fixed to the lower end of the slide plate two, and the toothed plate is meshed with the gear two, a plurality of support rods are provided on the base, and the lower mold and the bottom plate are both provided with through holes matching the support rods, a plurality of contact rods are slidably provided on the lower mold, the contact rods and the support rods are matched, and the spring is sleeved on the contact rods.

[0008] Preferably, a limiting plate is provided on the fixed plate, and the second sliding plate slides through the limiting plate.

[0009] Preferably, a conveyor belt is provided on the left side of the base.

[0010] Preferably, buffer pads are provided on both sides of the spring.

[0011] Compared with the prior art, the beneficial effect of the utility model is as follows: by starting the hydraulic cylinder, the piston reciprocates to squeeze the material in the injection barrel to perform intermittent casting injection molding operations. During this process, the output shaft of the hydraulic cylinder drives the control mechanism for controlling the opening and closing of the upper mold and the lower mold to operate, so that the lower mold on the lower side reciprocates with the piston. During the process of the piston pressing down to perform casting injection molding operations, the lower mold moves upward under the action of the control mechanism and combines with the upper mold to complete the casting injection molding. After completing a single casting injection molding, the piston moves upward under the action of the hydraulic cylinder. During this process, the lower mold moves down and returns to its initial position, and at the same time triggers the conveying mechanism to automatically convey and remove the processed components to the conveyor belt, thereby achieving the effect of automatically conveying and removing the processed components. While reducing safety hazards, it is also more intelligent and can improve the work efficiency of casting injection molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1The utility model is a schematic structural diagram of a mechanical engineering casting injection molding device.

[0013] Figure 2 The utility model is a schematic structural diagram of a cross-section of a mechanical engineering casting injection molding device.

[0014] Figure 3 This is a structural schematic diagram of the control mechanism proposed by the utility model.

[0015] Figure 4 This is a structural schematic diagram of the conveying mechanism proposed by the utility model.

[0016] Figure 5 It is a structural schematic diagram of the gear transmission structure in the conveying mechanism proposed by the utility model.

[0017] In the figure: 1 base, 2 fixed plate, 3 hydraulic cylinder, 4 injection cylinder, 5 limit plate, 6 upper mold, 7 lower mold, 8 material box, 9 slider, 10 slide plate 1, 11 gear 1, 12 rotating shaft, 13 slide plate 2, 14 conveying mechanism, 15 bottom plate, 16 conveyor belt, 17 feed port, 18 tooth plate, 19 T-type slider, 20 fixed plate 1, 21 L-type rod, 22 fixed plate 2, 23 contact block, 24 rack, 25 gear 2, 26 support rod, 27 contact rod, 28 spring. 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 of the embodiments.

[0019] Reference Figure 1-Figure 5 A mechanical engineering casting injection molding device comprises a base 1 and a fixed plate 2, wherein the base 1 is fixed to the bottom of the fixed plate 2, a hydraulic cylinder 3 is fixedly connected to the upper side of the fixed plate 2, an injection barrel 4 is arranged below the hydraulic cylinder 3, an output shaft of the hydraulic cylinder 3 passes through the injection barrel 4 and is connected to a piston, the piston is sealed and slidably connected to the inner wall of the injection barrel 4, a feed port 17 is arranged on the side wall of the injection barrel 4, and the feed port 17 is connected to a material box 8, a one-way valve is arranged on the feed port 17, an upper mold 6 is fixedly connected to the side wall of the fixed plate 2, and the upper mold 6 is arranged below the injection barrel 4, and the bottom A lower mold 7 corresponding to the upper mold 6 is provided on the seat 1, and a mold cavity is formed between the upper mold 6 and the lower mold 7. The discharge port of the injection cylinder 4 is connected to the mold cavity. A slider 9 is provided between the hydraulic cylinder 3 and the injection cylinder 4, and the slider 9 is fixedly connected to the output shaft of the hydraulic cylinder 3. A control mechanism for controlling the opening and closing of the upper mold 6 and the lower mold 7 is provided on one side of the slider 9. A heating device is provided in the injection cylinder 4. The piston connected to the output shaft of the hydraulic cylinder 3 squeezes the material in the injection cylinder 4 and injects it into the mold cavity formed by the upper mold 6 and the lower mold 7 to realize the injection molding of the casting.

[0020] The control mechanism includes a slide plate 10, a gear 11, a rotating shaft 12, a slide plate 2 13, and a bottom plate 15. The slide plate 10 is fixedly connected to the slider 9. The gear 11 is rotatably connected to the fixed plate 2 through the rotating shaft 12. The slide plate 10 and the slide plate 2 13 are respectively arranged on both sides of the gear 11, and the slide plate 10 and the slide plate 2 13 are provided with tooth grooves matching the gear 11. The bottom plate 15 is fixedly connected to the bottom of the slide plate 2 13. The bottom plate 15 is fixedly connected to the lower mold 7. The lower end of the slide plate 2 13 is provided with a conveying mechanism for conveying the casting. By sliding the slide plate 10, the gear 11 is driven to rotate, so that the gear 11 drives the slide plate 2 13 to slide. The slide plate 2 13 drives the bottom plate 15 and the lower mold 7 to slide up and down through the tooth plate 18, thereby satisfying the intermittent combination of the upper mold 6 and the lower mold 7 to form a mold cavity.

[0021] The conveying mechanism includes a T-shaped slider 19, a fixed plate 20, an L-shaped rod 21, a fixed plate 22, a contact block 23, a rack 24, a gear 25, a support rod 26, a contact rod 27, a spring 28, and a toothed plate 18. The fixed plate 20 is fixedly connected to the side wall of the upper mold 6. The T-shaped slider 19 is fixed to one end of the L-shaped rod 21. The L-shaped rod 21 is symmetrically arranged on both sides of the fixed plate 20, and the fixed plate 20 is provided with a T-shaped slide groove matching the T-shaped slider 19. The other end of the L-shaped rod 21 is fixedly connected to the fixed plate 22. The rack 24 and the contact block 23 are respectively fixedly connected to the fixed plate 22. The gear 25 is rotatably connected to the bottom of the fixed plate 20. The rack 24 is meshed with the gear 25. The toothed plate 18 is fixed to the lower end of the slide plate 13, and the toothed plate 18 It is meshed with gear 25, and a plurality of support rods 26 are provided on the base 1, and through holes matching the support rods 26 are provided on the lower mold 7 and the bottom plate 15, and a plurality of touch rods 27 are slidably provided on the lower mold 7, and the touch rods 27 and the support rods 26 are matched, and the spring 28 is sleeved on the touch rods 27, and the toothed plate 18 drives the rack 24 to slide through the gear 25, and the rack 24 drives the fixed plate 22 and the touch block 23 to slide through the T-shaped slider 19 and the corresponding T-shaped groove on the fixed plate 1 20, and at the same time, the toothed plate 18 drives the bottom plate 15 and the lower mold 7 to move downward to the base 1, and the support rods 26 on the base 1 squeeze the touch rods 27 to lift up the processed components, and with the cooperation of the touch block 23 and the touch rods 27, the processed components are transported and removed from the mold cavity.

[0022] A limit plate 5 is provided on the fixed plate 2, and the slide plate 13 slides through the limit plate 5. The limit plate 5 can make the slide plate 13 more stable during operation.

[0023] A conveyor belt 16 is provided on the left side of the base 1, and the components output by the conveying mechanism can be transported by the conveyor belt.

[0024] Buffer pads are provided on both sides of the spring 28, and the buffer pads can delay the force applied to the spring during operation, making the spring work more stable.

[0025] In the utility model, when it is necessary to start working, the material is loaded into the material box 8, and the material enters the injection barrel 4 through the one-way valve, and then the hydraulic cylinder 3 is started. The output shaft of the hydraulic cylinder 3 squeezes the material in the injection barrel 4 downward through the piston. At the same time, the output shaft of the hydraulic cylinder drives the slide plate 10 to slide downward through the slider 9, and the slide plate 10 drives the slide plate 2 13 to slide upward through the gear 11, and the slide plate 2 13 drives the lower mold 7 to move upward through the bottom plate 15 to form a mold cavity with the upper mold 6. The injection barrel 4 injects the material into the mold cavity under the action of the piston. After the injection is completed, the piston moves upward and returns to its original position under the action of the output shaft of the hydraulic cylinder 3, and the injection is stopped. The output shaft of the hydraulic cylinder 3 drives the slide plate 10 to slide upward through the slider 9, and the slide plate 10 drives the slide plate 2 13 to slide downward through the gear 11, and the slide plate 2 13 drives the lower mold 7 through the bottom plate 15 The tooth plate 18 slides downward onto the base 1. During this process, the support rod 26 on the base 1 contacts the contact rod 27, causing it to slide upward and squeeze the spring 28. The contact rod 27 slides upward to hold up the injection molded component. During this process, the toothed plate 18 slides downward under the action of the slide plate 13, causing the toothed plate 18 to drive the rack 24 to slide to the left through the gear 25. The rack 24 moves to the left through the fixed plate 22 to pass through the contact block 23. During this process, the contact block 23 pushes the component held by the contact rod 27 to remove the lower mold 7 and slide onto the conveyor belt 16. The component is transported by the conveyor belt 16. This process is a cycle. This cycle is continuously run to complete the automated operation of the casting refraction molding device, thereby avoiding safety hazards caused by manual operations and being more intelligent, which can make the casting injection molding device run stably and efficiently, thereby improving production efficiency.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mechanical engineering casting injection molding device, comprising a base (1) and a fixing plate (2), characterized in that: The base (1) is fixed to the bottom of the fixed plate (2); a hydraulic cylinder (3) is fixedly connected to the upper side of the fixed plate (2); an injection barrel (4) is provided below the hydraulic cylinder (3); an output shaft of the hydraulic cylinder (3) passes through the injection barrel (4) and is connected to a piston; the piston is sealingly and slidably connected to the inner wall of the injection barrel (4); a feed port (17) is provided on the side wall of the injection barrel (4); the feed port (17) is connected to a material box (8); a one-way valve is provided on the feed port (17); an upper valve is fixedly connected to the side wall of the fixed plate (2); A mold (6), wherein the upper mold (6) is arranged below the injection cylinder (4); a lower mold (7) corresponding to the upper mold (6) is arranged on the base (1); a mold cavity is formed between the upper mold (6) and the lower mold (7); a discharge port of the injection cylinder (4) is connected to the mold cavity; a slider (9) is arranged between the hydraulic cylinder (3) and the injection cylinder (4); the slider (9) is fixedly connected to the output shaft of the hydraulic cylinder (3); and a control mechanism for controlling the opening and closing of the upper mold (6) and the lower mold (7) is arranged on one side of the slider (9).

2. A mechanical engineering casting injection molding device according to claim 1, characterized in that: The control mechanism comprises a slide plate 1 (10), a gear 1 (11), a rotating shaft (12), a slide plate 2 (13), and a bottom plate (15); the slide plate 1 (10) is fixedly connected to the slide block (9); the gear 1 (11) is rotatably connected to the fixed plate (2) via the rotating shaft (12); the slide plate 1 (10) and the slide plate 2 (13) are respectively arranged on both sides of the gear 1 (11); and the slide plate 1 (10) and the slide plate 2 (13) are both provided with tooth grooves matching the gear 1 (11); the bottom plate (15) is fixedly connected to the bottom of the slide plate 2 (13); the bottom plate (15) is fixedly connected to the lower mold (7); and a conveying mechanism for conveying castings is provided at the lower end of the slide plate 2 (13).

3. A mechanical engineering casting injection molding device according to claim 2, characterized in that: The conveying mechanism comprises a T-shaped slider (19), a fixed plate (20), an L-shaped rod (21), a fixed plate (22), a contact block (23), a rack (24), a gear (25), a support rod (26), a contact rod (27), a spring (28), and a toothed plate (18). The fixed plate (20) is fixedly connected to the side wall of the upper mold (6). The T-shaped slider (19) is fixed to one end of the L-shaped rod (21). The L-shaped rod (21) is symmetrically arranged on both sides of the fixed plate (20). The fixed plate (20) is provided with a T-shaped groove matching the T-shaped slider (19). The other end of the L-shaped rod (21) is fixedly connected to the fixed plate (22). The gear (24) and the contact block (23) are respectively fixedly connected to the fixed plate (22), the gear (25) is rotatably connected to the bottom of the fixed plate (20), the rack (24) is meshed with the gear (25), the toothed plate (18) is fixed to the lower end of the slide plate (13), and the toothed plate (18) is meshed with the gear (25), a plurality of support rods (26) are provided on the base (1), and through holes matching the support rods (26) are provided on the lower mold (7) and the bottom plate (15), a plurality of contact rods (27) are slidably provided on the lower mold (7), the contact rods (27) and the support rods (26) are matched, and the spring (28) is sleeved on the contact rods (27).

4. A mechanical engineering casting injection molding device according to claim 2, characterized in that: A limiting plate (5) is provided on the fixed plate (2), and the second sliding plate (13) is slidably disposed through the limiting plate (5).

5. The mechanical engineering casting injection molding device according to claim 1, characterized in that: A conveyor belt (16) is provided on the left side of the base (1).

6. The mechanical engineering casting injection molding device according to claim 3, characterized in that: Buffer pads are provided on both sides of the spring (28).

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