Automatic correction structure for concentricity of upper die and lower die for hub forging

Abstract

The utility model relates to a hub forging upper and lower die concentric automatic correction structure which comprises an upper die base plate, an upper die, a lower die, a lower die core, a lower die base plate, a guide cavity and a die cavity, the upper die base plate is fixedly provided with the upper die, the lower die is arranged below the upper die, the lower die is fixed on the lower die base plate, and the guide cavity is arranged in the lower die core. The lower mold core is located at the center of the lower mold, and the injection mold is characterized in that the guide cavity is arranged on the lower mold, and the mold cavity is located below the guide cavity and connected with the guide cavity. The guide cavity is formed in the lower die, so that the upper die cannot deviate in position in the hub forging process, it is ensured that the upper die and the lower die are kept concentric, the positioning accuracy of the upper die and the lower die is improved, and then the product yield is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to an automatic concentric correction structure for upper and lower molds of a forged wheel hub. Background Art

[0002] Molds are very important tools in industrial production and are widely used in machinery, electronics, automobiles, plastics and other industries. During the mold processing process, due to the influence of various factors, such as mold manufacturing errors, installation errors, temperature changes, etc., the concentricity of the mold may change, thus affecting the quality and production efficiency of the product. Therefore, the development of the mold concentricity automatic correction structure is of great significance to improving product quality and production efficiency.

[0003] In the traditional mold processing process, manual inspection and adjustment of the mold concentricity are generally adopted. This method is not only time-consuming and labor-intensive, but also difficult to ensure the accuracy of the correction. With the development of mechanical technology and computer technology, automated correction technology has gradually been applied to the mold processing process. The existing automated correction methods mainly include: using sensors to detect the concentricity of the mold, and feeding back the detection results to the control system for correction, and using mechanical mechanisms to automatically adjust the mold to achieve automatic correction.

[0004] However, there are still some problems with the existing automated correction methods. First, it takes a certain amount of time and resources to detect the concentricity of the mold using sensors, and it is difficult to ensure the detection accuracy for molds of certain complex shapes. Secondly, although the method of automatically adjusting the mold using a mechanical mechanism can achieve automatic correction, its stability and reliability need to be improved due to the complexity and flexibility of the mechanical structure. Therefore, the development of a new type of mold concentricity automatic correction structure to improve the correction accuracy and efficiency while ensuring stability and reliability is a problem that needs to be solved urgently. Utility Model Content

[0005] In order to solve the problems existing in the above-mentioned background technology, an automatic correction structure for the concentricity of the upper and lower dies of a forged wheel hub is provided. By setting a guide cavity on the lower die, the upper die will not be positionally shifted during the process of forging the wheel hub, thereby ensuring that the upper and lower dies remain concentric, improving the positioning accuracy of the upper and lower dies, and ensuring the product yield.

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

[0007] A forged wheel hub upper and lower mold concentric automatic correction structure, comprising: an upper mold pad, an upper mold, a lower mold, a lower mold core, a lower mold pad, a guide cavity and a mold cavity, the upper mold pad is fixed with an upper mold, a lower mold is arranged below the upper mold, the lower mold is fixed on the lower mold pad, the lower mold core is located at the center of the lower mold, and is characterized in that: the guide cavity is arranged on the lower mold, and the mold cavity is located below the guide cavity and connected to the guide cavity.

[0008] As a further solution of the utility model: the upper mold is slidably connected to the upper mold pad.

[0009] As a further solution of the utility model: the guide cavity includes a guide slope, and the inclination angle of the guide slope to the center line of the lower mold core changes continuously from 5° to 3° and then to 0°, which can ensure that the upper mold moves along a predetermined trajectory during processing and improve positioning accuracy.

[0010] As a further solution of the utility model: a lubricating layer is provided between the upper mold and the guiding inclined surface, so as to realize smooth relative movement.

[0011] As a further solution of the utility model: the outer diameter of the upper mold is equal to the inner diameter of the lower mold. When the molds are closed, the upper and lower molds can fit completely together, so that the product is subjected to uniform pressure during the molding process, thereby obtaining higher product quality.

[0012] As a further solution of the utility model: one end of the top of the guiding slope is away from the center line of the lower mold core relative to the bottom end.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model provides a guide cavity on the lower die, and a guide slope on the guide cavity. The inclination angle of the guide slope changes continuously from 5° to 3° and then to 0°. This can ensure that the upper die moves along a predetermined trajectory during the processing, so that the upper die will not be positionally offset during the process of forging the wheel hub, ensure that the upper and lower die remain concentric, improve the positioning accuracy of the upper and lower die, and thus improve the product yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] In the attached picture:

[0017] Figure 1 This is a schematic diagram of the cross-sectional structure of the concentric automatic correction structure of the upper and lower dies of a forged wheel hub according to the utility model;

[0018] Figure 2 This is a schematic diagram of the guide cavity structure of the upper and lower mold concentric automatic correction structure of a forged wheel hub according to the utility model;

[0019] Reference numerals:

[0020] 1. Upper mold pad; 2. Upper mold; 3. Lower mold; 4. Lower mold core; 5. Lower mold pad; 6. Mold cavity; 7. Guide slope; 8. Guide cavity; DETAILED DESCRIPTION

[0021] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices and methods consistent with some aspects of the present embodiment disclosure as detailed in the appended claims.

[0022] It should be noted that all directional indications in the embodiments (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship and movement of the components under a certain posture (as shown in the attached drawings). If the certain posture changes, the directional indication will also change accordingly. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the realization of ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that such combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0023] Reference Figure 1 The forged wheel hub upper and lower mold concentric automatic correction structure shown in the figure includes: an upper mold pad 1, an upper mold 2, a lower mold 3, a lower mold core 4, a lower mold pad 5, a guide cavity 8 and a mold cavity 6, wherein the upper mold pad 1 is fixed with the upper mold 2, the lower mold 3 is arranged below the upper mold 2, the lower mold 3 is fixed on the lower mold pad 5, the lower mold core 4 is located at the center of the lower mold 3, and is characterized in that: the guide cavity 8 is arranged on the lower mold 3, and the mold cavity 6 is located below the guide cavity 8 and connected to the guide cavity 8. The upper mold 2 is slidably connected to the upper mold pad 1.

[0024] Reference Figure 2The forged wheel hub upper and lower molds are shown in an automatic concentric correction structure, wherein the guide cavity 8 includes a guide bevel 7, and the inclination angle of the guide bevel 7 to the center line of the lower mold core 4 changes continuously from 5° to 3° and then to 0°, which can ensure that the upper mold moves along a predetermined trajectory during the processing and improve the positioning accuracy.

[0025] A lubricating layer is provided between the upper mold 2 and the guiding slope 7 to achieve smooth relative movement.

[0026] The outer diameter of the upper mold 2 is equal to the inner diameter of the lower mold 3. When the molds are closed, the upper and lower molds can fit completely together, so that the product is subjected to uniform pressure during the molding process, thereby obtaining higher product quality.

[0027] One end of the top of the guiding slope 7 is farther away from the center line of the lower mold core 4 than the other end of the bottom.

[0028] The utility model provides a guide cavity on the lower die, and a guide slope on the guide cavity. The inclination angle of the guide slope changes continuously from 5° to 3° and then to 0°. This can ensure that the upper die moves along a predetermined trajectory during the processing, so that the upper die will not be positionally offset during the process of forging the wheel hub, ensure that the upper and lower die remain concentric, improve the positioning accuracy of the upper and lower die, and thus improve the product yield.

[0029] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0030] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A forged wheel hub upper and lower die concentric automatic correction structure, comprising: An upper mold pad (1), an upper mold (2), a lower mold (3), a lower mold core (4), a lower mold pad (5), a guide cavity (8) and a mold cavity (6), wherein the upper mold pad (1) is fixed with the upper mold (2), a lower mold (3) is arranged below the upper mold (2), the lower mold (3) is fixed on the lower mold pad (5), the lower mold core (4) is located at the center of the lower mold (3), and is characterized in that: the guide cavity (8) is arranged on the lower mold (3), and the mold cavity (6) is located below the guide cavity (8) and is connected to the guide cavity (8).

2. The automatic concentricity correction structure of the upper and lower dies of a forged wheel hub according to claim 1 is characterized in that: The upper mold (2) is slidably connected to the upper mold pad (1).

3. The automatic concentricity correction structure of the upper and lower dies of a forged wheel hub according to claim 1 is characterized in that: The guide cavity (8) comprises a guide slope (7), and the inclination angle of the guide slope (7) to the center line of the lower mold core (4) changes continuously from 5° to 3° and then to 0°.

4. The automatic concentricity correction structure of the upper and lower dies of a forged wheel hub according to claim 1 is characterized in that: A lubricating layer is provided between the upper mold (2) and the guiding inclined surface (7), so that smooth relative movement can be achieved.

5. The automatic concentricity correction structure of the upper and lower dies of a forged wheel hub according to claim 1 is characterized in that: The outer diameter of the upper mold (2) is equal to the inner diameter of the lower mold (3).

6. The automatic concentricity correction structure of the upper and lower dies of a forged wheel hub according to claim 3 is characterized by: One end of the top of the guiding slope (7) is away from the center line of the lower mold core (4) relative to the other end of the bottom.

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