A quick die changing tool for a cylinder head die

Abstract

The application discloses a quick die changing tool for a cylinder cover die, and belongs to the technical field of tool structures, and aims to provide a quick die changing tool for a cylinder cover die with higher changing efficiency, which comprises a translation plate, a hydraulic cylinder is arranged on the translation plate, a cylinder barrel of the hydraulic cylinder is fixedly connected with the translation plate, an extension rod end of the hydraulic cylinder is connected with a lifting plate, a locking piece is arranged at a corner of the lifting plate, a main body part of the locking piece is an expansion cone, inner and outer walls of the expansion cone are all inverted conical surfaces, a plurality of engagement grooves are arranged on the outer side surface of the expansion cone and are uniformly arranged along an axis, the expansion cone is provided with deformation seams extending from lower ends to upper ends, the deformation seams are equidistantly arranged around the axis of the expansion cone, and an inner insertion column is fixedly connected with the lower surface of the translation plate. The locking piece structure with the expansion cone is designed, the cylinder cover die to be replaced can be locked when the lifting plate is lifted, the cylinder cover die can be lifted up, manual carrying is not needed, and time and labor are saved.

Description

Technical Field

[0001] This application relates to the field of tooling structure technology, and in particular to a quick mold change tooling for cylinder head molds. Background Technology

[0002] Cylinder head molds are usually made of alloy materials. Although they are not very large, it is still very difficult for workers to lift them. Without other auxiliary tools, it takes at least two workers to move the cylinder head mold from the top of the mold body to the bottom of the trolley, or to lift the lower cylinder head mold on the trolley to the top of the mold body. Therefore, the traditional replacement method is time-consuming and laborious. Utility Model Content

[0003] The purpose of this application is to provide a quick mold change tooling for cylinder head molds with higher replacement efficiency.

[0004] To achieve the above objectives, this application provides a quick mold change tooling for cylinder head molds: including a translation plate, on which a hydraulic cylinder is mounted, the cylinder barrel of which is fixedly connected to the translation plate, a lifting plate connected to the end of the telescopic rod of the hydraulic cylinder, a locking component at the corner of the lifting plate, the main body of the locking component being an expansion cone, the inner and outer walls of which are both inverted conical surfaces, a plurality of evenly arranged engagement grooves along the axis being opened on the outer side of the expansion cone, and a plurality of deformation slits extending upward from the lower end of the expansion cone, the deformation slits being equidistantly arranged around the axis of the expansion cone, and an inner insert post fixedly connected to the lower surface of the translation plate, the number and position of which correspond to the locking component, the inner insert post being adapted to be inserted into the expansion cone to increase its outer diameter, and when the inner insert post is withdrawn, the outer diameter of the expansion cone shrinks again, thus locking the cylinder head mold during expansion and releasing it during contraction.

[0005] As a preferred embodiment, the upper end of the expansion cone has a positioning ring, the upper surface of the lifting plate has a groove, the lower surface of the lifting plate has a through hole communicating with the groove, the expansion cone is adapted to pass through the through hole, and the positioning ring is adapted to be fixed in the groove, thereby ensuring the stable installation of the locking component on the lifting plate.

[0006] As a preferred embodiment, it also includes a pair of parallel guide rails, and a pair of sliding chambers are fixedly connected to the upper surface of the translation plate, which cooperate with the two guide rails to form a sliding pair, ensuring that the translation plate can stably change position.

[0007] As a preferred embodiment, at least one of the sliding pods is equipped with a driver, which is suitable for driving the sliding pod to slide relative to the guide rail, thus having a high degree of automation.

[0008] As a preferred embodiment, the surface of the guide rail is provided with toothed grooves, and the driver contains a motor and a reducer. The output end of the reducer is fixedly connected to a gear, which is suitable for meshing with the toothed grooves of the guide rail, thereby providing high position control accuracy.

[0009] As a preferred embodiment, the ends of the two guide rails in the same direction are fixedly connected to a bracket to ensure the stability of the two guide rails.

[0010] As a preferred embodiment, the cylinder head mold is adapted to be located between the two supports, ensuring that the main body of the mold changing tool can reach above the mold body.

[0011] As a preferred option, the cylinder head mold is always lower than the height of the two guide rails, leaving sufficient working space above the mold body.

[0012] Compared with the prior art, the beneficial effects of this application are as follows: (1) By designing a locking mechanism with an expansion cone, the cylinder head mold that needs to be replaced can be locked when the lifting plate rises, and the cylinder head mold can be lifted at the same time, without the need for manual handling, saving time and effort; (2) By designing the sliding chamber structure and equipping the sliding chamber with a drive structure, the mold changing tooling has a higher degree of automation, which further improves the efficiency of changing cylinder head molds. Attached Figure Description

[0013] Figure 1 This is a first three-dimensional structural schematic diagram of the quick mold change tooling used for cylinder head molds.

[0014] Figure 2 This is a schematic diagram of the second three-dimensional structure of the quick-change tooling used for cylinder head molds.

[0015] Figure 3 A three-dimensional structural diagram of the sliding chamber and actuator configured on a translation plate for the quick mold change tooling used for cylinder head molds.

[0016] Figure 4 A three-dimensional sectional view of the locking mechanism of the quick-change tooling for cylinder head molds, which is configured on the lifting plate and mates with the translation plate.

[0017] Figure 5 This is a three-dimensional structural diagram of the hydraulic cylinder and the translation plate that work together in the quick mold change tooling used for cylinder head molds.

[0018] Figure 6 This is a three-dimensional sectional view of the locking mechanism and the lifting plate of the quick-change tooling used for cylinder head molds.

[0019] Figure 7 This is a three-dimensional sectional view of the lifting plate of the quick-change tooling used for cylinder head molds.

[0020] Figure 8 This is a three-dimensional structural diagram of the locking component of the quick-change tooling used for cylinder head molds.

[0021] In the diagram: 1. Bracket; 2. Guide rail; 3. Sliding chamber; 4. Driver; 5. Translation plate; 501. Inner column; 6. Lifting plate; 601. Through hole; 602. Slot; 7. Locking element; 701. Positioning ring; 702. Expansion cone; 703. Engaging groove; 704. Expansion joint; 8. Hydraulic cylinder. Detailed Implementation

[0022] The present application will be further described below with reference to specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0023] In the description of this application, it should be noted that the directional terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this application.

[0024] It should be noted that the terms "first," "second," etc., in the specification and claims of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0025] The terms “comprising” and “having”, and any variations thereof, in the specification and claims of this application are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or device.

[0026] like Figure 1-8The quick-change tooling for cylinder head molds shown includes a translation plate 5 and a pair of parallel guide rails 2. A pair of sliding chambers 3 are fixedly connected to the upper surface of the translation plate 5, which cooperate with the two guide rails 2 to form a sliding pair. At least one sliding chamber 3 is provided with a driver 4 to drive the sliding chamber 3 to slide relative to the guide rail 2. The surface of the guide rail 2 is provided with toothed grooves. The driver 4 contains a motor and a reducer. The output end of the motor is connected to the input end of the reducer. The output end of the reducer is fixedly connected to a gear, which extends into the sliding chamber 3 and meshes with the toothed groove of the guide rail 2. The ends of the two guide rails 2 in the same direction are fixedly connected to a bracket 1. The bracket 1 is fixedly set to maintain the stability of the two guide rails 2. The cylinder head mold needs to be located between the two brackets 1. The cylinder head mold is always located below the two guide rails 2. When there are only guide rails 2 above the cylinder head mold, there is enough space above the cylinder head mold to carry out its work.

[0027] A hydraulic cylinder 8 is installed on the translation plate 5, which can provide a large lifting force outward. The cylinder barrel of the hydraulic cylinder 8 is fixedly connected to the translation plate 5, and the end of the telescopic rod of the hydraulic cylinder 8 is fixedly connected to the lifting plate 6. The hydraulic cylinder 8 is used to drive the lifting plate 6 to move up and down relative to the translation plate 5. A locking part 7 is provided at the corner of the lifting plate 6 to lock the cylinder head mold, thereby realizing the lifting and replacement. The main body of the locking part 7 is an expansion cone 702. The inner and outer walls of the expansion cone 702 are both inverted conical surfaces. Several evenly arranged interlocking grooves 703 are opened on the outer side of the expansion cone 702, which are used to interlock with the same structure as the inner wall of the through hole of the cylinder head mold, thereby generating an upward constraint. The expansion cone 702 has several deformation joints 704 extending upward from the lower end. These deformation joints 704 are equidistantly arranged around the axis of the expansion cone 702. The width of these deformation joints 704 can be changed to ensure the elastic deformation of the expansion cone 702.

[0028] A cylindrical inner post 501 is fixedly connected to the lower surface of the translation plate 5. The number and position of the inner post 501 correspond to the locking part 7. The inner post 501 is used to insert into the expansion cone 702 to make its outer diameter larger. When the outer diameter of the expansion cone 702 expands to the maximum, its outer contour can be a positive cone shape. When the inner post 501 is withdrawn, the outer diameter of the expansion cone 702 will return to the reduced inverted cone shape.

[0029] The upper end of the expansion cone 702 has a coaxial positioning ring 701. The inner wall of the positioning ring 701 is flush with the inner wall of the expansion cone 702. The upper surface of the lifting plate 6 has a cylindrical groove 602, and the lower surface of the lifting plate 6 has a through hole 601 that connects to the groove 602. The through hole 601 is coaxial with the groove 602. The expansion cone 702 needs to pass through the through hole 601, while the positioning ring 701 is fixed in the groove 602. Normally, the inner wall of the groove 602 has an internal thread, and the outer side of the positioning ring 701 has an external thread. The positioning ring 701 is screwed into the groove 602. The upper end of the positioning ring 701 usually also has a slot structure to facilitate cooperation with tools such as ice picks to achieve tightening or loosening.

[0030] Working principle: Mold replacement is divided into two steps: disassembly and reassembly. During disassembly, all connecting parts of the cylinder head mold to be replaced are removed first. The driver 4 moves the distant translation plate 5 to the top of the mold body. The hydraulic cylinder 8 controls the lifting plate 6 to descend until the expansion cone 702 in the contracted state is inserted into the through hole of the cylinder head mold. At this time, the lifting plate 6 is very close to the upper end face of the cylinder head mold. On the symmetrical side of the cylinder head mold, the pry bar is used to lift the cylinder head mold and make it fit against the lower surface of the lifting plate 6. Then the hydraulic cylinder 8 drives the lifting plate 6 to rise. The inner insertion post 501 is inserted into the expansion cone 702 to expand the outer diameter of the expansion cone 702. The outer side of the expansion cone 702 fits with the engagement groove 703 on the inner wall of the through hole of the cylinder head mold, so that the pry bar can be unloaded. The driver 4 can then move the detached cylinder head mold to a slightly lower placement platform at a distance and remove it. The upper surface of the distant placement platform is roughly flush with the upper mounting surface of the mold body after the cylinder head mold is removed. During reassembly, the locking component 7 locks a new cylinder head mold from the distant placement platform, then moves it above the mold body. After confirming alignment, the hydraulic cylinder 8 drives the lifting plate 6 to descend. As the inner insertion post 501 gradually withdraws from the expansion cone 702, the expansion cone 702 automatically retracts. The outer side of the expansion cone 702 disengages from the engagement groove 703 on the inner wall of the cylinder head mold through hole, and the cylinder head mold naturally falls onto the upper mounting surface of the mold body. The lifting plate 6 continues to rise until the expansion cone 702 completely disengages from the positioning ring 701. The driver 4 can then bring the translation plate 5 back to the initial position. Finally, the cylinder head mold is fixed with the connector to complete the installation.

[0031] The basic principles, main features, and advantages of this application have been described above. Those skilled in the art should understand that this application is not limited to the above embodiments. The embodiments and descriptions in the specification are merely the principles of this application. Various changes and modifications can be made to this application without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection claimed by this application is defined by the appended claims and their equivalents.

Claims

1. A quick mold change tooling for cylinder head molds, characterized in that: Includes a translation plate (5), on which a hydraulic cylinder (8) is provided. The cylinder barrel of the hydraulic cylinder (8) is fixedly connected to the translation plate (5). The end of the telescopic rod of the hydraulic cylinder (8) is connected to a lifting plate (6). A locking member (7) is provided at the corner of the lifting plate (6). The main body of the locking member (7) is an expansion cone (702). The inner and outer walls of the expansion cone (702) are both inverted conical surfaces. Several engagement grooves (703) are evenly arranged along the axis on the outer side of the expansion cone (702). The expansion cone (702) has an expansion joint (704) extending upward from the lower end. There are several expansion joints (704) arranged equidistantly around the axis of the expansion cone (702). The lower surface of the translation plate (5) is fixedly connected with an inner insert (501). The number and position of the inner insert (501) correspond to the locking member (7). The inner insert (501) is adapted to be inserted into the expansion cone (702) to increase its outer diameter. When the inner insert (501) is withdrawn, the outer diameter of the expansion cone (702) will shrink again.

2. The quick mold change tooling for cylinder head molds as described in claim 1, characterized in that: The upper end of the expansion cone (702) has a positioning ring (701), the upper surface of the lifting plate (6) is provided with a groove (602), the lower surface of the lifting plate (6) is provided with a through hole (601) communicating with the groove (602), the expansion cone (702) is adapted to pass through the through hole (601), and the positioning ring (701) is adapted to be fixed in the groove (602).

3. The quick-change tooling for cylinder head molds as described in any one of claims 1 to 2, characterized in that: It also includes a pair of parallel guide rails (2), and a pair of sliding chambers (3) are fixedly connected to the upper surface of the translation plate (5), which cooperate with the two guide rails (2) to form a sliding pair.

4. The quick mold change tooling for cylinder head molds as described in claim 3, characterized in that: At least one of the sliding cabins (3) is provided with a drive (4) adapted to drive the sliding cabin (3) to slide relative to the guide rail (2).

5. The quick mold change tooling for cylinder head molds as described in claim 4, characterized in that: The surface of the guide rail (2) is provided with toothed grooves. The driver (4) contains a motor and a reducer. The output end of the reducer is fixedly connected to a gear, which is suitable for meshing with the toothed grooves of the guide rail (2).

6. The quick mold change tooling for cylinder head molds as described in claim 5, characterized in that: The ends of the two guide rails (2) in the same direction are fixedly connected to a bracket (1).

7. The quick mold change tooling for cylinder head molds as described in claim 6, characterized in that: The cylinder head mold is adapted to be positioned between the two supports (1).

8. The quick-change tooling for cylinder head molds as described in claim 7, characterized in that: The cylinder head mold is always lower than the height of the two guide rails (2).

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