Cross recess fine adjustment die-casting die

Abstract

The utility model relates to the technical field of die-casting dies, in particular to a cross recess fine adjustment die-casting die which is characterized in that a cross recess is formed in the surface of a die frame, a fixed die core support is arranged in the cross recess, a fixed die core is arranged in the fixed die core support, and a fixed die core cavity is formed in the surface of the fixed die core; the movable mold core is arranged in the cross groove, and a movable mold core cavity is formed in the surface of the movable mold core; an insert pin fixing seat is arranged in the cross groove, and an insert pin is fixedly arranged on the surface of the insert pin fixing seat; by arranging the fixed mold core bracket capable of finely adjusting and moving, the position of the fixed mold core is driven to slightly move by moving the position of the fixed mold core bracket, so that the purpose of changing the position of an intersection point of an inner hole axis and an excircle axis of a workpiece is achieved, and the problem that the service life of the mold core is influenced by trimming the mold core is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of die casting moulds, in particular to a cross slot fine-tuning die casting mould. Background Art

[0002] Die-casting molds are tools for casting metal parts. They are tools that complete the die-casting process on a dedicated die-casting mold machine. The basic process of die-casting is: the molten metal is first cast into the mold cavity at a low or high speed. The mold has a movable cavity surface. It is pressure-casted as the molten metal cools, which not only eliminates the shrinkage and porosity defects of the blank, but also makes the internal structure of the blank reach a broken granular state, and the comprehensive mechanical properties of the blank are significantly improved. Among them, the die-casting mold for zinc alloy products is a tool for die-casting alloys based mainly on zinc;

[0003] When the die-casting mold in the prior art is working, the positions of the movable mold core and the fixed mold core are consistent, and the inner hole axis of the product is consistent with the outer circle axis. When the inner hole axis and the outer circle axis of the product to be produced have a certain angle, and the distance from the intersection of the two axes to the workpiece surface needs to be controlled by tolerance, welding and other operations need to be performed on the mold core to trim the mold core to meet the required requirements;

[0004] However, when trimming the mold core, it will cause certain damage to the mold core, thereby shortening the life of the mold. In addition, trimming the mold core is relatively complicated, difficult, and not easy to operate. Utility Model Content

[0005] The utility model aims to provide a cross slot fine-tuning die-casting mold to solve the problems raised by the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A cross slot fine-tuning die-casting mold, comprising:

[0008] A mold frame, wherein a cross groove is provided on the surface of the mold frame, a fixed mold core bracket is provided inside the cross groove, a fixed mold core is provided inside the fixed mold core bracket, and a fixed mold core cavity is provided inside the fixed mold core;

[0009] The movable mold core is arranged inside the cross groove, and a movable mold core cavity is arranged on the surface of the movable mold core;

[0010] The needle fixing seat is arranged inside the cross groove, and the needle fixing seat is fixedly provided with an inlay pin inside.

[0011] Preferably, the fixed mold core bracket is arranged in a "convex" shape, and the three ends of the fixed mold core bracket are respectively arranged inside the grooves in three directions of the cross groove, and the fixed mold core bracket can move slightly in the direction of the two symmetrical ends of the fixed mold core bracket inside the cross groove.

[0012] Preferably, the fixed mold core is fixedly connected to the fixed mold core bracket by bolts.

[0013] Preferably, the movable mold core is slidably arranged with the side wall of the cross groove, and the side of the movable mold core away from the fixed mold core is fixedly connected to the first slider seat by bolts, and a push rod is telescopically arranged inside the first slider seat, and the push rod can pass through the movable mold core and extend to the inside of the movable mold core cavity.

[0014] Preferably, the movable mold core cavity is arranged obliquely, and a workpiece is placed in the movable mold core cavity.

[0015] Preferably, the needle inserting fixing seat is arranged on a side of the fixed mold core bracket away from the movable mold core, and the side of the needle inserting fixing seat away from the fixed mold core bracket is fixedly connected to the second sliding block seat by bolts.

[0016] Preferably, the insert pin is arranged on a side of the insert pin fixing seat close to the fixed mold core bracket, the insert pin can pass through the fixed mold core bracket and the fixed mold core to extend to the inside of the fixed mold core cavity and the movable mold core cavity, and the insert pin fixing seat is used to drill holes in the workpiece.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model provides a movable fixed mold core bracket, and the position of the fixed mold core is moved by moving the position of the fixed mold core, and the position of the inlay pin is moved synchronously with the position of the fixed mold core, thereby achieving the purpose of changing the intersection position of the inner hole axis and the outer circle axis of the workpiece, avoiding the problem of trimming the mold core. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the movable mold core of the utility model;

[0021] Figure 3 This is a schematic diagram of the fixed mold core structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the workpiece axis position of the utility model.

[0023] In the figure: mold frame 1, cross groove 11, fixed mold core 2, fixed mold core cavity 21, fixed mold core bracket 3, movable mold core 4, movable mold core cavity 41, workpiece 5, first slider seat 6, ejector rod 61, second slider seat 7, insert pin fixing seat 8, insert pin 81. DETAILED DESCRIPTION

[0024] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0025] It should be noted that many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0026] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] In the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. However, if it is indicated as a direct connection, it means that the two connected bodies are not connected through a transition structure, but are connected to form a whole through a connecting structure. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0028] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0029] Please see attached Figure 1 To Attachment Figure 4As shown, the utility model provides a cross slot fine-tuning die-casting mold, comprising:

[0030] A mold frame 1, a cross groove 11 is provided on the surface of the mold frame 1, a fixed mold core bracket 3 is provided inside the cross groove 11, and the fixed mold core bracket 3 is provided in a "convex" shape, and the three ends of the fixed mold core bracket 3 are respectively provided inside the grooves in three directions of the cross groove 11, and the fixed mold core bracket 3 can move in the direction of the two symmetrical ends of the fixed mold core bracket 3 inside the cross groove 11, and a fixed mold core 2 is provided inside the fixed mold core bracket 3, and the fixed mold core 2 is fixedly connected to the fixed mold core bracket 3 by bolts, and the convex part of the fixed mold core bracket 3 has a slight gap on the two sides adjacent to the cross groove 11, so as to facilitate the fine adjustment of the fixed mold core 2 driven by the fixed mold core bracket 3, and a fixed mold core cavity 21 is provided inside the fixed mold core 2;

[0031] A movable mold core 4, the movable mold core 4 is arranged inside the cross groove 11, a movable mold core cavity 41 is arranged inside the movable mold core 4, the movable mold core 4 is slidably arranged with the side wall of the cross groove 11, a first slider seat 6 is fixedly connected to the side of the movable mold core 4 away from the fixed mold core 2 by bolts, a push rod 61 is telescopically arranged inside the first slider seat 6, the push rod 61 can pass through the movable mold core 4 and extend to the inside of the movable mold core cavity 41, the movable mold core cavity 41 is inclined, and a workpiece 5 is placed in the movable mold core cavity 41;

[0032] A pin fixing seat 8, wherein the pin fixing seat 8 is arranged inside the cross groove 11, and the pin fixing seat 8 is arranged on the side of the fixed mold core bracket 3 away from the movable mold core 4, and the side of the pin fixing seat 8 away from the fixed mold core bracket 3 is fixedly connected to the second slider seat 7 by bolts, and a pin 81 is fixedly arranged on the surface of the pin fixing seat 8, and the pin 81 is arranged on the side of the pin fixing seat 8 close to the fixed mold core bracket 3, and the pin 81 can pass through the fixed mold core bracket 3 and the fixed mold core 2 to extend to the inside of the fixed mold core cavity 21 and the movable mold core cavity 41, and the pin fixing seat 8 is used to punch a hole in the workpiece 5.

[0033] Embodiment 1:

[0034] The utility model proposes a cross groove fine-tuning die-casting mold. When die-casting is performed, the fixed mold core bracket 3 is slightly moved in the directions of the two symmetrical ends of the fixed mold core bracket 3 to drive the position of the fixed mold core 2 to move. The fixed mold core bracket 3 has a guiding effect on the inlay pin 81 of the inlay pin fixing seat 8. The inlay pin 81 is used to punch a hole for the workpiece 5. After the guiding effect on the inlay pin 81, the inlay pin 81 slightly moves the axis of the inner hole of the workpiece 5 to achieve the purpose of changing the position of the intersection of the inner hole axis and the outer circle axis of the workpiece 5. After the fixed mold core 2 is adjusted to a suitable position, the position of the fixed mold core bracket 3 is fixed. The fixing method is to set a cover plate to cover the mold frame 1, thereby pressing and fixing the fixed mold core bracket 3. The cover plate has the same shape as the mold frame 1, and the cover plate and the mold frame 1 are just snap-fitted and fixed;

[0035] By setting a movable fixed mold core bracket 3, the position of the movable fixed mold core bracket 3 drives the position of the fixed mold core 2 to move, and then the position of the guide pin 81 is moved synchronously. Since the workpiece 5 is tilted in the movable mold core, the outer cylindrical axis of the workpiece 5 is parallel to the central bearing of the inner cavity of the movable mold core, and is also in an inclined state. The axis of the insert pin 81 is parallel to the axis of the inner cavity of the fixed mold core. Therefore, the inner hole axis formed by the insert pin 81 after punching the workpiece 5 forms an axis angle with the outer cylindrical axis of the workpiece 5. The fixed mold core 2 guides the insert pin 81 to fine-tune, thereby achieving the purpose of changing the intersection position of the inner hole axis and the outer cylindrical axis of the workpiece 5, so that the intersection position meets the requirements. The intersection position is determined by laser or visual detection, which avoids the problem of trimming the fixed mold core and affecting the life of the workpiece.

[0036] Embodiment 2:

[0037] On the basis of Example 1, by setting the ejector pin 61 parallel to the axis of the movable mold core cavity 41, when the workpiece 5 is placed inside the movable mold core cavity 41, the ejector pin 61 is controlled to push into the movable mold core cavity 41, thereby achieving the purpose of ejecting the workpiece 5 from the movable mold core cavity 41.

[0038] Working principle: The die-casting mold for zinc alloy products is a tool for die-casting alloys based mainly on zinc. During die-casting, the fixed mold core bracket 3 is slightly moved in the directions of the two symmetrical ends of the fixed mold core bracket 3, which drives the position of the fixed mold core 2 to move. Since the fixed mold core 2 has a guiding effect on the inlay pin 81, the inlay pin 81 is used to punch holes for the workpiece 5. The position of the fine-tuned fixed mold core 2 guides the inlay pin 81 to move synchronously, thereby slightly moving the axis of the inner hole of the workpiece 5. Since the workpiece 5 is placed obliquely in the movable mold core, the outer circle axis of the workpiece 5 is parallel to the central bearing of the inner cavity of the movable mold core and is also in an inclined state. The inlay pin 81 The axis is parallel to the axis of the inner cavity of the fixed mold core. Therefore, the axis of the inner hole formed after the workpiece 5 is punched by the insert pin 81 forms an axis angle with the outer circle axis of the workpiece 5. The fixed mold core 2 guides the insert pin 81 for fine adjustment to achieve the purpose of changing the intersection position of the inner hole axis and the outer circle axis of the workpiece 5 so that the intersection position meets the requirements. The intersection position is determined by laser or visual detection. During die-casting, after the workpiece 5 is placed inside the movable mold core cavity 41, the ejector pin 61 is controlled to push into the movable mold core cavity 41, thereby achieving the purpose of ejecting the workpiece 5 from the inside of the movable mold core cavity 41 and entering the fixed mold core cavity 21 for punching by the insert pin 81.

[0039] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0040] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, 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 cross slot fine-tuning die casting mold, characterized in that: include: A mold frame, wherein a cross groove is provided on the surface of the mold frame, a fixed mold core bracket is provided inside the cross groove, a fixed mold core is provided inside the fixed mold core bracket, and a fixed mold core cavity is provided inside the fixed mold core; A movable mold core, wherein the movable mold core is arranged inside the cross groove, and a movable mold core cavity is arranged inside the movable mold core; The needle fixing seat is arranged inside the cross groove, and the needle fixing seat is fixedly provided with an inlay pin inside.

2. A cross slot fine-tuning die-casting mold according to claim 1, characterized in that: The fixed mold core bracket is arranged in a "convex" shape, and the three ends of the fixed mold core bracket are respectively arranged inside the grooves in three directions of the cross groove. The fixed mold core bracket can move slightly in the direction of the two symmetrical ends of the fixed mold core bracket inside the cross groove.

3. A cross slot fine-tuning die-casting mold according to claim 2, characterized in that: The fixed mold core is fixedly connected to the fixed mold core bracket by bolts.

4. A cross slot fine-tuning die-casting mold according to claim 3, characterized in that: The movable mold core is slidably arranged with the side wall of the cross groove, and the side of the movable mold core away from the fixed mold core is fixedly connected with a first slider seat by bolts, and a push rod is telescopically arranged inside the first slider seat, and the push rod can pass through the movable mold core and extend to the inside of the movable mold core cavity.

5. A cross slot fine-tuning die-casting mold according to claim 4, characterized in that: The movable mold core cavity is tilted, and a workpiece is placed in the movable mold core cavity.

6. A cross slot fine-tuning die-casting mold according to claim 5, characterized in that: The needle inserting fixing seat is arranged on a side of the fixed mold core bracket away from the movable mold core, and the side of the needle inserting fixing seat away from the fixed mold core bracket is fixedly connected to a second sliding block seat by bolts.

7. A cross slot fine-tuning die-casting mold according to claim 6, characterized in that: The insert pin is arranged on a side of the insert pin fixing seat close to the fixed mold core bracket, and the insert pin can pass through the fixed mold core bracket and the fixed mold core to extend to the interior of the fixed mold core cavity and the movable mold core cavity, and the insert pin fixing seat is used to drill a hole in the workpiece.

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