Positioning chaplet for diesel engine cylinder block casting

Abstract

The positioning chaplet for the diesel engine cylinder block casting comprises a first supporting plate, a first screw rod is arranged on the right side of the first supporting plate, the left end of the first screw rod is fixedly connected with the right end of the first supporting plate, a cylinder is arranged on the right side of the first screw rod, and an internal thread is arranged in the cylinder; the first screw rod can be screwed in the cylinder through internal threads, a fixing seat is arranged at the right end of the cylinder, the right end of the cylinder is fixedly connected with the left end of the fixing seat, a second supporting plate is arranged at the right end of the fixing seat, the fixing seat is fixedly connected with the second supporting plate through a screw, and a multidirectional supporting assembly is arranged on the cylinder. The multi-direction supporting assembly comprises a connecting block and a supporting plate, the multi-direction supporting assembly is additionally arranged on the side face of the cylinder, the position of the supporting plate is adjusted through a sliding block, extending towards the outer side and retracting towards the inner side of the supporting plate are adjusted by screwing a disc, and by means of the arrangement, the supporting direction of the positioning chaplet can be increased; and the use effect and the stability of the positioning chaplet are enhanced.

Description

Technical Field

[0001] The utility model belongs to the technical field related to positioning core supports, and in particular relates to a positioning core support for diesel engine cylinder castings. Background Art

[0002] Core supports for diesel engine cylinder block castings are a crucial component of the casting process. They secure the sand core within the mold, ensuring precise positioning of the casting's internal cavity and preventing deformation and dimensional deviation. Core supports improve the casting's appearance and dimensional accuracy, while reducing casting scrap caused by core displacement or deformation. However, existing core supports only support the wall in two directions. Utility Model Content

[0003] The purpose of the utility model is to provide a positioning core support for diesel engine cylinder castings, so as to solve the problem that the existing positioning core support mentioned in the above background technology can only support the wall in two directions.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A positioning core support for a diesel engine cylinder casting, comprising:

[0006] A first support plate, a first screw is provided on the right side of the first support plate, the left end of the first screw is fixedly connected to the right end of the first support plate, a cylinder is provided on the right side of the first screw, an internal thread is provided inside the cylinder, the first screw can be screwed into the cylinder through the internal thread, a fixing seat is provided at the right end of the cylinder, the right end of the cylinder and the left end of the fixing seat are fixedly connected, a second support plate is provided at the right end of the fixing seat, the fixing seat is fixedly connected to the second support plate by screws, a multi-directional support assembly is provided on the cylinder, and the multi-directional support assembly includes a connecting block and a support plate.

[0007] As an optional embodiment, a corresponding connecting block is provided on the side of the cylinder, two connecting blocks are fixedly connected to the side of the cylinder, and a slide rail is provided on the top of the connecting block.

[0008] As an optional embodiment, a slider is provided inside the slide rail, and the slider can only slide in the slide rail, and a second screw is provided on the top of the slider.

[0009] As an optional embodiment, the bottom end of the second screw is fixedly connected to the top of the slider, the top end of the second screw passes through the slide rail and is located on the outside of the connecting block, and a limit plate is provided at the top end of the second screw, and the bottom end of the limit plate is fixedly connected to the top end of the second screw.

[0010] As an optional embodiment, a disc is provided on the rod body of the second screw rod, a through-type threaded hole is provided at the center of the disc, and the disc is screwed onto the second screw rod through the threaded hole.

[0011] As an optional embodiment, annular grooves are provided on the top and bottom of the disc respectively, and the annular grooves are located on the outside of the threaded hole. Buckles are provided in the annular grooves at the top and bottom of the disc, and the buckles are clamped in the annular grooves at the top and bottom of the disc, and the buckles can slide in the annular grooves. A round rod is provided on the outside of the buckle, and the bottom end of the round rod is fixedly connected to the outer side of the buckle.

[0012] As an optional embodiment, a connecting plate is provided at the top of the round rod, the bottom end of the connecting plate is fixedly connected to the top of the round rod, corresponding support rods are provided on both sides of the round rod, one end of the support rod is fixedly connected to the side of the round rod, and the other end of the support rod is fixedly connected to the bottom end of the connecting plate, and a support plate is provided at the top of the connecting plate.

[0013] As an optional embodiment, notches are provided on both sides of the cylinder, and the two notches connect the internal space of the cylinder with the outside world. The misalignment of the two notches and the two connecting blocks does not affect the fixation of the two connecting blocks.

[0014] Compared with the prior art, the present invention provides a positioning core support for diesel engine cylinder castings, which has the following beneficial effects:

[0015] 1. Multi-directional support: A multi-directional support assembly is added to the side of the cylinder. The position of the support plate is adjusted by using a slider, and the extension of the support plate to the outside and the retraction to the inside are adjusted by turning the disc. This setting can increase the direction of the positioning core support and enhance the use effect and stability of the positioning core support.

[0016] 2. Improve casting quality: By opening a notch on the side of the cylinder and connecting the space inside the cylinder with the outside world through the notch, it can prevent bubbles from being generated due to the air remaining in the cylinder after the positioning core support melts during casting, which affects the casting quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the front sectional plan structure of the present invention.

[0019] Figure 3 It is a schematic diagram of the front cross-sectional plan structure of the buckle of the present invention.

[0020] Figure 4 It is a three-dimensional structural diagram of the prototype of the utility model.

[0021] In the figure: 1. First support plate; 2. Second support plate; 3. First screw; 4. Cylinder; 5. Internal thread; 6. Fixing seat; 7. Screw; 8. Connecting block; 9. Slide rail; 10. Slider; 11. Second screw; 12. Limiting plate; 13. Disc; 14. Threaded hole; 15. Annular groove; 16. Round rod; 17. Buckle; 18. Connecting plate; 19. Support rod; 20. Support plate; 21. Notch. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] The utility model provides Figure 1-4 shown

[0024] A positioning core support for a diesel engine cylinder casting comprises a first support plate 1, a first screw rod 3 is provided on the right side of the first support plate 1, the left end of the first screw rod 3 is fixedly connected to the right end of the first support plate 1, a cylinder 4 is provided on the right side of the first screw rod 3, an internal thread 5 is provided inside the cylinder 4, the first screw 3 can be screwed into the cylinder 4 through the internal thread 5, and the first support plate 1 can be telescopically adjusted on the cylinder 4 by screwing the first screw 3, a fixing seat 6 is provided at the right end of the cylinder 4, the right end of the cylinder 4 is fixedly connected to the left end of the fixing seat 6, a second support plate 2 is provided at the right end of the fixing seat 6, and the fixing seat 6 is fixedly connected to the second support plate 2 by a screw 7, and a multi-directional support assembly is provided on the cylinder 4, which is used to increase the number of directions that the positioning core support can support simultaneously and enhance the use effect and stability of the core support. The multi-directional support assembly comprises a connecting block 8 and a support plate 20. When in use, first place the positioning core support between the sand cores that need to be supported, then screw the first screw 3 according to the spacing between the sand cores to adjust the distance between the first support plate 1 and the second support plate 2, so that the first support plate 1 and the second support plate 2 support and position the sand cores.

[0025] like Figure 1 and Figure 2 As shown, the side of the cylinder 4 is provided with a corresponding connecting block 8, the length of the connecting block 8 is consistent with the length of the cylinder 4, the two connecting blocks 8 are fixedly connected to the side of the cylinder 4, and the top of the connecting block 8 is provided with a slide rail 9. Figure 3As shown, a slider 10 is provided inside the slide rail 9, and the slider 10 can only slide in the slide rail 9, and a second screw 11 is provided on the top of the slider 10. The bottom end of the second screw 11 is fixedly connected to the top of the slider 10, and the top end of the second screw 11 passes through the slide rail 9 and is located on the outside of the connecting block 8. A limiting disk 12 is provided on the top of the second screw 11, and the bottom end of the limiting disk 12 is fixedly connected to the top end of the second screw 11. A disc 13 is provided on the rod body of the second screw 11, and the limiting disk 12 is used to limit the disc 13 from falling off the second screw 11. A through-type threaded hole 14 is provided in the center of the disc 13, and the disc 13 is screwed onto the second screw 11 through the threaded hole 14. The height of the disc 13 on the second screw 11 can be adjusted by rotating the disc 13. As shown Figure 3 As shown, the top and bottom of the disc 13 are provided with annular grooves 15 respectively. The annular grooves 15 are located outside the threaded hole 14. Buckles 17 are provided in the annular grooves 15 at the top and bottom of the disc 13. The buckles 17 are clamped in the annular grooves 15 at the top and bottom of the disc 13 and can slide in the annular grooves 15. A round rod 16 is provided on the outside of the buckle 17. The bottom end of the round rod 16 is fixedly connected to the outer side of the buckle 17. The square shape of the buckle 17 can make the round rod 16 more stable and prevent rotation deviation. Figure 2 As shown, a connecting disk 18 is provided at the top of the round rod 16, and the bottom end of the connecting disk 18 is fixedly connected to the top end of the round rod 16. The connecting disk 18 is used to increase the support area of ​​the round rod 16. Corresponding support rods 19 are provided on both sides of the round rod 16. One end of the support rod 19 is fixedly connected to the side of the round rod 16, and the other end of the support rod 19 is fixedly connected to the bottom end of the connecting disk 18. The support rods 19 are used to increase the stability of the connection between the round rod 16 and the connecting disk 18, making the support of the round rod 16 more stable. A support plate 20 is provided at the top of the connecting disk 18, and the bottom end of the support plate 20 is fixedly connected to the top end of the connecting disk 18. When in use, the position of the support plate 20 can be adjusted by the slider 10, and the extension of the support plate 20 to the outside and the retraction to the inside can be adjusted by screwing the disc 13. Through this arrangement, the direction of the positioning core support can be increased, and the use effect and stability of the positioning core support can be enhanced.

[0026] like Figure 1 and Figure 2 As shown, notches 21 are provided on both sides of the cylinder 4. The two notches 21 connect the internal space of the cylinder 4 with the outside world. The notches 21 are used to prevent bubbles from being generated due to the air inside the cylinder 4 after the positioning core support melts during casting, thereby affecting the casting quality. The misalignment of the two notches 21 and the two connecting blocks 8 does not affect the fixation of the two connecting blocks 8.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A positioning core support for a diesel engine cylinder casting, characterized in that: include: A first support plate (1) is provided on the right side of the first support plate (1), the left end of the first screw (3) is fixedly connected to the right end of the first support plate (1), a cylinder (4) is provided on the right side of the first screw (3), an internal thread (5) is provided inside the cylinder (4), and the first screw (3) can be screwed into the cylinder (4) through the internal thread (5), a fixing seat (6) is provided at the right end of the cylinder (4), the right end of the cylinder (4) is fixedly connected to the left end of the fixing seat (6), a second support plate (2) is provided at the right end of the fixing seat (6), the fixing seat (6) is fixedly connected to the second support plate (2) by a screw (7), and a multi-directional support assembly is provided on the cylinder (4), and the multi-directional support assembly includes a connecting block (8) and a support plate (20).

2. The positioning core support for a diesel engine cylinder casting according to claim 1, characterized in that: The side of the cylinder (4) is provided with a corresponding connecting block (8), the two connecting blocks (8) are fixedly connected to the side of the cylinder (4), and the top of the connecting block (8) is provided with a slide rail (9).

3. The positioning core support for a diesel engine cylinder casting according to claim 2, characterized in that: A slider (10) is provided inside the slide rail (9), and the slider (10) can only slide in the slide rail (9). A second screw rod (11) is provided on the top of the slider (10).

4. The positioning core support for a diesel engine cylinder casting according to claim 3, characterized in that: The bottom end of the second screw rod (11) is fixedly connected to the top of the slider (10), the top end of the second screw rod (11) passes through the slide rail (9) and is located outside the connecting block (8), and a limiting plate (12) is provided at the top end of the second screw rod (11), and the bottom end of the limiting plate (12) is fixedly connected to the top end of the second screw rod (11).

5. The positioning core support for a diesel engine cylinder casting according to claim 4, characterized in that: A disc (13) is provided on the rod body of the second screw rod (11), a through-type threaded hole (14) is provided at the center of the disc (13), and the disc (13) is screwed onto the second screw rod (11) through the threaded hole (14).

6. The positioning core support for a diesel engine cylinder casting according to claim 5, characterized in that: The top and bottom of the disc (13) are respectively provided with annular grooves (15), and the annular grooves (15) are located outside the threaded hole (14). A buckle (17) is provided in the annular grooves (15) at the top and bottom of the disc (13). The buckle (17) is clamped in the annular grooves (15) at the top and bottom of the disc (13), and the buckle (17) can slide in the annular grooves (15). A round rod (16) is provided on the outside of the buckle (17), and the bottom end of the round rod (16) is fixedly connected to the outer side of the buckle (17).

7. A positioning core support for a diesel engine cylinder casting according to claim 6, characterized in that: The top of the round rod (16) is provided with a connecting disk (18), the bottom end of the connecting disk (18) is fixedly connected to the top of the round rod (16), and corresponding support rods (19) are provided on both sides of the round rod (16), one end of the support rod (19) is fixedly connected to the side of the round rod (16), and the other end of the support rod (19) is fixedly connected to the bottom end of the connecting disk (18), and the top of the connecting disk (18) is provided with a support plate (20).

8. The positioning core support for a diesel engine cylinder casting according to claim 7, characterized in that: Notches (21) are correspondingly provided on both sides of the cylinder (4), and the two notches (21) connect the internal space of the cylinder (4) with the outside world. The misalignment of the two notches (21) and the two connecting blocks (8) does not affect the fixation of the two connecting blocks (8).

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