Automatic cutting device for sand core pouring gate

By designing an automatic cutting device, which uses a hydraulic cylinder to drive a cutter and a multi-stage electric telescopic rod to automatically cut off the sand core pouring port, the problem of low efficiency of manual cutting is solved, and production efficiency and applicability of the device are improved.

CN224087909UActive Publication Date: 2026-04-07WUXI HUAFENGYUE MACHINERY TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-13
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

In existing technologies, the cutting of the sand core casting port relies on manual operation, which is inefficient and affects production efficiency.

Method used

An automatic cutting device for sand core pouring openings was designed, including a frame, cutting components, a placement plate, a clamping plate, and an electric push rod. The device automatically cuts off the sand core pouring openings by driving the cutter with a hydraulic cylinder, and achieves stable positioning and height adjustment of the sand core by combining a multi-stage electric telescopic rod and a blocking frame.

Benefits of technology

It achieves automated cutting of the sand core pouring port, improves work efficiency, enhances the flexibility and stability of the device, is suitable for positioning sand cores of various sizes, and reduces the time and effort of manual operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic cutting device for a sand core pouring gate, which comprises a frame body, the top of the frame body is provided with a cutting assembly, the inner walls of the two sides of the frame body are respectively provided with two second sliding chutes, a placing plate is movably connected between the second sliding chutes, the inner wall of the bottom of the frame body is fixedly connected with a multi-stage electric telescopic rod, and the multi-stage electric telescopic rod is fixedly connected with the bottom of the frame body. A plurality of multi-stage electric telescopic rods are arranged on the rack body, the extending ends of the multi-stage electric telescopic rods are fixed to the containing plates, a plurality of inserting openings which are symmetrically distributed are formed in the inner walls of the two sides of the rack body, blocking frames are inserted into the two corresponding inserting openings and make contact with the tops of the containing plates, first sliding grooves are formed in the containing plates, and clamping plates are movably connected into the first sliding grooves. According to the sand core cutting device, a pouring opening in a sand core can be conveniently cut, meanwhile, sand cores of multiple sizes can be conveniently positioned, and the height of the containing plate can be limited through the blocking frame.
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Description

Technical Field

[0001] This utility model relates to the field of sand core casting technology, and in particular to an automatic cutting device for sand core casting ports. Background Technology

[0002] During the casting process of the brake caliper body, sand cores are required. Existing sand core casting machines fill the mold with sand by injecting sand into the sand injection port. After the mold closing step, the sand core casting machine starts to inject sand into the mold cavity after the mold is closed. After the cavity is filled, it is heated and formed. After the mold is opened, the sand cores are taken out by the workers one by one. When the sand cores are taken out, they are connected to the formed pouring port.

[0003] Therefore, the casting port on the freshly removed sand core needs to be cut off, otherwise it will affect the injection molding of the product. The existing method of cutting off the sand core casting port is to manually remove the sand core from the mold and then manually cut off the casting port of the sand core with a tool. This operation process is inefficient. In order to better address the above problems, promote the development of the industry's technical level, and improve core competitiveness, this application proposes a new composition structure that is different from the existing technology. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing an automatic cutting device for sand core casting ports.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An automatic cutting device for sand core casting openings includes a frame, a cutting assembly at the top of the frame, two second sliding grooves on both inner walls of the frame, a placement plate movably connected between the second sliding grooves, a multi-stage electric telescopic rod fixedly connected to the bottom inner wall of the frame, and the extended end of the multi-stage electric telescopic rod fixed to the placement plate, multiple symmetrically distributed insertion slots on both inner walls of the frame, a blocking frame inserted into each corresponding pair of insertion slots, and the blocking frame contacting the top of the placement plate, a first sliding groove on the placement plate, a clamping plate movably connected within the first sliding groove, a fixing block fixedly connected to the bottom of the placement plate, an electric push rod fixedly connected to the fixing block, and the extended end of the electric push rod fixed to the clamping plate.

[0007] As a further embodiment of this utility model, the cutting assembly includes a guide frame, which is fixed to the top of the frame by bolts. A sliding plate is movably connected between multiple vertical rods of the guide frame. A hydraulic cylinder is fixedly connected to the upper surface of the guide frame, and one end of the hydraulic rod of the hydraulic cylinder is fixed to the sliding plate. A cutter is fixedly connected to the bottom of the sliding plate.

[0008] As a further improvement of this utility model, two dovetail grooves are provided on the placement plate, and the clamping plate slides along the dovetail grooves.

[0009] As a further embodiment of this utility model, a fixed base is fixedly connected to the bottom inner wall of the frame, and a collection box is fixedly connected to one side of the fixed base.

[0010] As a further embodiment of this utility model, the top of the fixing base is provided with an inclined surface, and the bottom of the inclined surface is located above the collection box.

[0011] As a further embodiment of this utility model, a round rod is fixedly connected inside the second groove, and the placement plate slides along the round rod.

[0012] As a further embodiment of this utility model, a control panel is fixedly connected to one side of the frame, and the control panel is electrically connected to the hydraulic cylinder and the multi-stage electric telescopic rod.

[0013] As a further improvement of this utility model, the cutter and the top position of the fixing base are vertically aligned.

[0014] The beneficial effects of this utility model are as follows:

[0015] 1. In this utility model, the cutting component, the placement plate and the clamping plate work together to facilitate the cutting of the pouring port on the sand core, eliminating the need for workers to manually use tools to cut, which is time-consuming and laborious, and improving the working efficiency of the device.

[0016] 2. By adjusting the height of the placement plate and the horizontal position of the clamping plate, this utility model facilitates the positioning of sand cores of multiple sizes by the staff, making it more applicable and improving the flexibility of the device.

[0017] 3. In this utility model, the height of the placement plate is limited by the blocking frame, which makes the position of the placement plate more stable and improves the stability of the device during cutting. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the front side of an automatic cutting device for a sand core casting port proposed in this utility model;

[0019] Figure 2 This is a partially enlarged structural diagram of an automatic cutting device for sand core casting openings proposed in this utility model;

[0020] Figure 3 This is a cross-sectional view of the frame structure of an automatic cutting device for sand core casting opening proposed in this utility model;

[0021] Figure 4This is a cross-sectional view of the fixing seat of an automatic cutting device for sand core casting opening proposed in this utility model.

[0022] In the diagram: 1. Frame; 2. Slide plate; 3. Guide frame; 4. Hydraulic cylinder; 5. Fixing base; 6. Control panel; 7. Collection box; 8. Cutter; 9. Socket; 10. First slide rail; 11. Clamping plate; 12. Dovetail slide rail; 13. Placement plate; 14. Blocking frame; 15. Second slide rail; 16. Round rod; 17. Fixing block; 18. Multi-stage electric telescopic rod. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. The described embodiments are only some embodiments of the present utility model, not all embodiments. Other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are all within the protection scope of the present utility model.

[0024] Reference Figures 1-4 An automatic cutting device for sand core casting port includes a frame 1, with two second sliding grooves 15 opened on both inner walls of the frame 1, and a placement plate 13 slidably connected between the second sliding grooves 15.

[0025] The bottom inner wall of the frame 1 is fixed with bolts to a multi-stage electric telescopic rod 18, and the extended end of the multi-stage electric telescopic rod 18 is fixed to the placement plate 13, which can drive the placement plate 13 to rise and fall.

[0026] Reference Figure 3 and Figure 4 The inner walls on both sides of the frame 1 are provided with multiple symmetrically distributed slots 9. A blocking frame 14 is inserted into each of the two corresponding slots 9, and the blocking frame 14 is in contact with the top of the placement plate 13. The height of the placement plate 13 is adjusted according to the size of the sand core to be cut, that is, the multi-stage electric telescopic rod 18 is activated. The multi-stage electric telescopic rod 18 extends to move the placement plate 13 along the second slide groove 15 to the required position. Then the blocking frame 14 is inserted into the corresponding slot 9 to further limit the height of the placement plate 13.

[0027] Reference Figure 3 The placement plate 13 has a first sliding groove 10, and a clamping plate 11 is slidably connected in the first sliding groove 10. The bottom of the placement plate 13 is fixed with a fixing block 17 by bolts. An electric push rod is fixed with bolts on the fixing block 17, and the extended end of the electric push rod is fixed to the clamping plate 11. It should be noted that the placement plate 13 has two dovetail sliding grooves 12, and the clamping plate 11 slides along the dovetail sliding grooves 12. The dovetail sliding grooves 12 can guide the clamping plate 11 so that it can move stably.

[0028] Reference Figure 3 The bottom inner wall of the frame 1 is fixed with a fixing seat 5 by bolts. A collection box 7 is fixed with bolts on one side of the fixing seat 5. The top of the fixing seat 5 is provided with an inclined surface, and the bottom of the inclined surface is located above the collection box 7. The casting material cut from the sand core enters the collection box 7 through the inclined surface of the fixing seat 5, which makes it convenient for the staff to centrally process the waste.

[0029] like Figure 1 As shown, place the sand core to be cut on the placement plate 13 and make one end of the sand core body contact the fixed seat 5. Place the pouring port to be cut on the sand core on the top of the fixed seat 5. Then adjust the horizontal position of the clamping plate 11, that is, start the electric push rod to move the clamping plate 11 along the first slide groove 10 to the required position, so that the clamping plate 11 contacts the other end of the sand core body. At this time, the sand core is positioned.

[0030] In this utility model, a cutting assembly is provided on the top of the frame 1. The cutting assembly includes a guide frame 3, which is fixed to the top of the frame 1 by bolts. A sliding plate 2 is slidably connected between multiple vertical rods of the guide frame 3. A hydraulic cylinder 4 is fixed to the upper surface of the guide frame 3 by bolts, and one end of the hydraulic rod of the hydraulic cylinder 4 is fixed to the sliding plate 2. A cutter 8 is fixed to the bottom of the sliding plate 2 by bolts. The cutter 8 is vertically aligned with the top position of the fixed seat 5. When the hydraulic cylinder 4 extends, the sliding plate 2 moves downward along the vertical rod of the guide frame 3, thereby cutting the pouring port of the sand core by the cutter 8.

[0031] A round rod 16 is fixed in the second chute 15 by bolts, and the placement plate 13 slides along the round rod 16. The round rod 16 can guide the placement plate 13 so that it can move stably.

[0032] A control panel 6 is fixed to one side of the frame 1 by bolts. The control panel 6 is connected to the control switches of the electric push rod, hydraulic cylinder 4 and multi-stage electric telescopic rod 18, and can control their working status.

[0033] The working principle of this utility model is as follows: When it is necessary to cut the pouring port of the sand core, firstly, adjust the height of the placement plate 13 according to the size of the sand core to be cut, that is, start the multi-stage electric telescopic rod 18 through the control panel 6. The multi-stage electric telescopic rod 18 extends to move the placement plate 13 along the second slide 15 to the required position. Then, insert the blocking frame 14 into the corresponding slot 9 to further restrict the height of the placement plate 13. Then, place the sand core to be cut on the placement plate 13 and make one end of the sand core body contact the fixed seat 5. The pouring port to be cut on the sand core is placed on the top of the fixed seat 5. Then, adjust the horizontal position of the clamping plate 11, that is, start the electric push rod to move the clamping plate 11 along the first slide 10 to the required position and make the clamping plate 11 contact the other end of the sand core body. At this time, the sand core is positioned. Then, start the hydraulic cylinder 4 to move the slide plate 2 down along the vertical rod of the guide frame 3, so that the cutter 8 cuts the pouring port of the sand core. The cut material enters the collection box 7 through the inclined surface of the fixed seat 5, which facilitates the centralized treatment of waste by the staff.

[0034] Furthermore, the terms "installation," "setup," "connection," and "socketing" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral constructions; they can refer to mechanical or electrical connections; they can refer to direct connections or indirect connections via an intermediate medium, or internal connections between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

Claims

1. An automatic cutting device for a sand core casting port, comprising a frame (1), wherein a cutting assembly is provided on the top of the frame (1), characterized in that, The inner walls of both sides of the frame (1) are provided with two second sliding grooves (15), and a placement plate (13) is movably connected between the second sliding grooves (15). A multi-stage electric telescopic rod (18) is fixedly connected to the bottom inner wall of the frame (1), and the extended end of the multi-stage electric telescopic rod (18) is fixed to the placement plate (13). The inner walls of both sides of the frame (1) are provided with multiple symmetrically distributed insertion slots (9). A blocking frame (14) is inserted into each of the two corresponding insertion slots (9), and the blocking frame (14) is in contact with the top of the placement plate (13). A first sliding groove (10) is provided on the placement plate (13), and a clamping plate (11) is movably connected in the first sliding groove (10). A fixing block (17) is fixedly connected to the bottom of the placement plate (13), and an electric push rod is fixedly connected to the fixing block (17), and the extended end of the electric push rod is fixed to the clamping plate (11).

2. The automatic cutting device for the sand core casting port according to claim 1, characterized in that, The cutting assembly includes a guide frame (3), which is fixed to the top of the frame (1) by bolts. A sliding plate (2) is movably connected between multiple vertical rods of the guide frame (3). A hydraulic cylinder (4) is fixedly connected to the upper surface of the guide frame (3), and one end of the hydraulic rod of the hydraulic cylinder (4) is fixed to the sliding plate (2). A cutter (8) is fixedly connected to the bottom of the sliding plate (2).

3. The automatic cutting device for the sand core casting port according to claim 1, characterized in that, Two dovetail grooves (12) are provided on the placement plate (13), and the clamping plate (11) slides along the dovetail grooves (12).

4. The automatic cutting device for the sand core casting port according to claim 2, characterized in that, A fixed seat (5) is fixedly connected to the bottom inner wall of the frame (1), and a collection box (7) is fixedly connected to one side of the fixed seat (5).

5. The automatic cutting device for the sand core casting port according to claim 4, characterized in that, The top of the fixing seat (5) is provided with an inclined surface, and the bottom of the inclined surface is located above the collection box (7).

6. The automatic cutting device for the sand core casting port according to claim 1, characterized in that, A round rod (16) is fixedly connected inside the second groove (15), and the placement plate (13) slides along the round rod (16).

7. The automatic cutting device for the sand core casting port according to claim 2, characterized in that, A control panel (6) is fixedly connected to one side of the frame (1), and the control panel (6) is electrically connected to the hydraulic cylinder (4) and the multi-stage electric telescopic rod (18).

8. The automatic cutting device for the sand core casting port according to claim 4, characterized in that, The cutter (8) is vertically aligned with the top of the fixed base (5).