Guiding and limiting mechanism for discharging screw
By designing the guide limiting mechanism of the unloading screw and the clearance of the lower mold fixing plate, the problem of insufficient mold space in automobile mold design is solved, the mold cost is reduced, and the reliability and practicality of the mold is ensured.
Patent Information
- Application Number
- CN202421284772.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-05
AI Technical Summary
In the automotive mold design process, due to the diversification and complexity of the parts, the design difficulty and cost of molds will increase. Especially when the mold space is insufficient, it is difficult to ensure the reliability and practicality of the mold.
A guide limiting mechanism for unloading screws is designed. This mechanism plays a guiding role by cooperating between the unloading screws and the lower mold fixing plate, solving the problem of insufficient mold space, and using the unloading screws as guide columns, reducing the cost of the mold.
This mechanism not only solves the problem of insufficient mold space, but also reduces mold cost, ensures the reliability and practicality of the mold, and meets the functions required by the mold.
Smart Images

Figure CN222536102U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a limiting mechanism, in particular to a discharging screw guide limiting mechanism. Background Art
[0002] In recent years, with the continuous development of the automobile industry and the faster and faster replacement of car models, automobile parts have become more complex, refined and lightweight. Therefore, automobile molds have been constantly pursuing technological innovation, and the types of molds have continued to mature. Major mold manufacturers have increasingly higher requirements for mold cost control and mold practicality, and have higher requirements for the cost and practicality of their molds themselves; in the mold design process, due to the diversification and complexity of automobile parts, the difficulty of mold design has increased, and at the same time, the mold design cost has increased. Utility Model Content
[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a unloading screw guide limit mechanism. When the workpiece is small, this application mechanism not only solves the problem of insufficient mold space, but also enables the unloading screw to be used as a guide column, thereby reducing the mold cost. While ensuring the reliability and practicality of the mold, it also solves the problem of insufficient mold space, reduces the mold cost, and ensures the required functions of the mold.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: the utility model includes a lower die forming block, a lower die pressing plate, a spring, a discharge screw, a lower die fixing plate, a lower template, a spring mounting groove, a sleeve, a limit plate, a bolt hole, a through groove, a first through hole, a second through hole and a groove, the lower template is provided with a lower die fixing plate, the lower die forming block is installed on the upper die seat by bolts, the lower template is plugged with a discharge screw that passes through the lower die fixing plate, the top of the lower die fixing plate is provided with a lower die pressing plate locked with the discharge screw, a spring is installed between the lower die pressing plate and the lower die fixing plate, a sleeve is provided on the outer side of the discharge screw, a limit plate is provided at the bottom end of the sleeve, and a groove is opened at the position of the lower template corresponding to the limit plate.
[0005] Preferably, a spring installation groove is provided on the lower mold fixing plate at a position corresponding to the spring.
[0006] Preferably, the diameter of the limiting plate is larger than the diameter of the first through hole.
[0007] Preferably, the lower die pressing plate is provided with a bolt hole at a position corresponding to the unloading screw.
[0008] Preferably, a through groove is provided on the lower die fixing plate at a position corresponding to the lower die forming block.
[0009] Preferably, a first through hole is formed at a position of the lower mold plate corresponding to the position of the unloading screw, and a second through hole is formed at a position of the lower mold fixing plate corresponding to the position of the unloading screw.
[0010] Beneficial effects: When the utility model is used, an action process is as follows: when the mold machine is in the open state, the lower mold pressing plate floats under the action of the spring, and at the same time, the floating height of the lower mold pressing plate is guaranteed under the action of the unloading screw stroke limit; when the mold machine moves to make the lower mold forming block of the mold contact the workpiece, the machine continues to move, and the lower mold pressing plate moves downward. At this time, in order to ensure the directional accuracy of the lower mold pressing plate when it moves downward, the unloading screw and the lower mold fixing plate form a clearance fit to play a guiding role.
[0011] The utility model has a novel structure and ingenious conception. When the workpiece is small, this application mechanism not only solves the problem of insufficient mold space, but also enables the unloading screw to be used as a guide column, thereby reducing the mold cost. While ensuring the reliability and practicality of the mold, it also solves the problem of insufficient mold space, reduces the mold cost, and ensures the required functions of the mold. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0013] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0014] Figure 2 It is a schematic diagram of the explosion structure of the utility model;
[0015] Figure 3 It is a cross-sectional view of the utility model;
[0016] Numbers in the figure: 1, lower die forming block; 2, lower die pressing plate; 3, spring; 4, unloading screw; 5, lower die fixing plate; 6, lower mold plate; 7, spring mounting groove; 8, sleeve; 9, limit plate; 10, bolt hole; 11, through slot; 12, first through hole; 13, second through hole; 14, groove. DETAILED DESCRIPTION
[0017] The following is combined with Figure 1-3 The specific implementation modes of the present utility model are further described in detail.
[0018] Embodiment 1, by Figure 1-3The utility model provides a unloading screw guide and limiting mechanism, comprising a lower die forming block 1, a lower die pressing plate 2, a spring 3, an unloading screw 4, a lower die fixing plate 5, a lower die plate 6, a spring mounting groove 7, a sleeve 8, a limiting disk 9, a bolt hole 10, a through groove 11, a first through hole 12, a second through hole 13 and a groove 14, a lower die fixing plate 5 is provided on the lower die plate 6, the lower die forming block 1 is installed on the upper die seat by bolts, the lower die plate 6 is plugged with an unloading screw 4 that passes through the lower die fixing plate 5, a lower die pressing plate 2 that is locked with the unloading screw 4 is provided at the top of the lower die fixing plate 5, a spring 3 is installed between the lower die pressing plate 2 and the lower die fixing plate 5, a sleeve 8 is sleeved on the outer side of the unloading screw 4, a limiting disk 9 is provided at the bottom end of the sleeve 8, and a groove 14 is opened at the position of the lower die plate 6 corresponding to the limiting disk 9.
[0019] Specific use: When the utility model is used, an action process: here it is introduced that when the mold machine is in the open state, the lower mold pressing plate 2 floats under the action of the spring 3, and at the same time, the floating height of the lower mold pressing plate 2 is guaranteed under the action of the stroke limit of the unloading screw 4; when the mold machine moves to make the lower mold forming block 1 of the mold contact the workpiece, the machine continues to move, and the lower mold pressing plate 2 moves downward. At this time, in order to ensure the directional accuracy of the lower mold pressing plate 2 when it moves downward, the unloading screw 4 forms a clearance fit with the lower mold fixing plate 5 to play a guiding role.
[0020] Beneficial effects: The utility model has a novel structure and ingenious conception. When the workpiece is small, this application mechanism not only solves the problem of insufficient mold space, but also enables the unloading screw to be used as a guide column, reducing the mold cost. While ensuring the reliability and practicality of the mold, it also solves the problem of insufficient mold space, reduces the mold cost, and ensures the required functions of the mold.
[0021] Embodiment 2
[0022] In the first embodiment, the spring 3 is inconvenient to install and use. Figure 1 As another preferred embodiment, the difference from the first embodiment is that a spring installation groove 7 is provided at the position of the lower mold fixing plate 5 corresponding to the spring 3.
[0023] Embodiment 3
[0024] The limiting plate 9 in the first embodiment is inconvenient to use. Figure 1 As another preferred embodiment, the difference from the first embodiment is that the diameter of the limiting plate 9 is larger than the diameter of the first through hole 12, which facilitates the use of the limiting plate 9.
[0025] Embodiment 4
[0026] In the first embodiment, the unloading screw 4 is inconvenient to install and use. Figure 1As another preferred embodiment, the difference from the first embodiment is that a bolt hole 10 is provided at the position of the lower die pressing plate 2 corresponding to the unloading screw 4 to facilitate the installation and use of the unloading screw 4.
[0027] Embodiment 5
[0028] In the first embodiment, the lower mold forming block 1 is inconvenient to use. Figure 1 As another preferred embodiment, the difference from the first embodiment is that a through groove 11 is provided at the position of the lower mold fixing plate 5 corresponding to the lower mold forming block 1 to facilitate the use with the lower mold forming block 1.
[0029] Embodiment 6
[0030] In the first embodiment, the unloading screw 4 is inconvenient to install and use. Figure 1 As another preferred embodiment, the difference from the first embodiment is that a first through hole 12 is opened at the position of the lower mold plate 6 corresponding to the unloading screw 4, and a second through hole 13 is opened at the position of the lower mold fixing plate 5 corresponding to the unloading screw 4, which is convenient for the installation and use of the unloading screw 4.
[0031] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principles and processes, and no longer explains the electrical control.
[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A discharge screw guide and limit mechanism, comprising a lower die forming block (1), a lower die pressing plate (2), a spring (3), a discharge screw (4), a lower die fixing plate (5), a lower die plate (6), a spring mounting groove (7), a sleeve (8), a limit plate (9), a bolt hole (10), a through groove (11), a first through hole (12), a second through hole (13) and a groove (14), characterized in that: The lower mold plate (6) is provided with a lower mold fixing plate (5), the lower mold forming block (1) is installed on the upper mold seat by bolts, the lower mold plate (6) is plugged with a discharge screw (4) penetrating the lower mold fixing plate (5), the top of the lower mold fixing plate (5) is provided with a lower mold pressing plate (2) locked with the discharge screw (4), a spring (3) is installed between the lower mold pressing plate (2) and the lower mold fixing plate (5), a sleeve (8) is sleeved on the outer side of the discharge screw (4), a limit plate (9) is provided at the bottom end of the sleeve (8), and a groove (14) is opened at the position of the lower mold plate (6) corresponding to the limit plate (9).
2. A discharge screw guide and limiting mechanism according to claim 1, characterized in that: The lower die fixing plate (5) is provided with a spring installation groove (7) at a position corresponding to the spring (3).
3. A discharge screw guide and limiting mechanism according to claim 1, characterized in that: The diameter of the limiting plate (9) is greater than the diameter of the first through hole (12).
4. A discharging screw guide and limiting mechanism according to claim 1, characterized in that: The lower die pressing plate (2) is provided with a bolt hole (10) at a position corresponding to the unloading screw (4).
5. A discharge screw guide and limiting mechanism according to claim 1, characterized in that: The lower die fixing plate (5) is provided with a through slot (11) at a position corresponding to the lower die forming block (1).
6. A discharging screw guide and limiting mechanism according to claim 1, characterized in that: The lower mold plate (6) is provided with a first through hole (12) at a position corresponding to the unloading screw (4), and the lower mold fixing plate (5) is provided with a second through hole (13) at a position corresponding to the unloading screw (4).