Dual-purpose mechanism for material floating and positioning

Abstract

A floating and positioning dual-purpose mechanism comprises a workpiece, an upper die pressing plate, a positioning pin, a lower die core, a nitrogen spring sleeve, a nitrogen spring, a lower die base, a pin hole, a die core groove, a first through hole, an arc-shaped groove, a second through hole and a first mounting hole, the lower die core is mounted in the middle of the top end of the lower die base through a bolt, and a nitrogen spring fixing seat is mounted at the bottom end of the lower die base; a nitrogen spring penetrating through the lower die base is installed on the nitrogen spring fixing base, a workpiece is placed on the lower die core, the upper die pressing plate is installed on the upper die base, a positioning pin is embedded in the middle, close to the edge, of one side of the upper die pressing plate, the top of the nitrogen spring is sleeved with a nitrogen spring sleeve, and a first through hole is formed in the position, corresponding to the nitrogen spring, of the lower die base. The material floating structure of the die is novel in structure and ingenious in conception, can play a role in floating materials when the die is opened, and can also play a role in positioning material pieces when the die is closed.

Description

Technical Field

[0001] The utility model relates to a dual-purpose mechanism, in particular to a dual-purpose mechanism for floating and positioning. Background Art

[0002] In recent years, with the increasingly fierce competition in the automobile market, major automobile manufacturers have turned their attention to the automobile's own covering parts and related stamping parts (hereinafter collectively referred to as parts) in the direction of developing and researching new models, and have higher and higher requirements for them. Parts tend to be more complex, high-strength, and have a wide variety of complex and different shapes. When faced with parts of special shapes, the floating plate cannot float the parts, resulting in jamming. At this time, we have to overcome this technical difficulty. 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 special floating material and positioning mechanism, which is generally used for the floating material and sheet positioning of the mold, saving mold space, reducing mold weight, and ensuring the position of the sheet, thereby achieving efficient production, ensuring the product qualification rate, and improving the production quality of automotive parts.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: the utility model includes a workpiece, an upper die pressing plate, a locating pin, a lower die core, a nitrogen spring sleeve, a nitrogen spring, a lower die seat, a nitrogen spring fixing seat, a pin hole, a die core groove, a first through hole, an arc groove, a second through hole and a first mounting hole, the lower die core is installed with a lower die core in the middle of the top end of the lower die seat by bolts, a nitrogen spring fixing seat is installed at the bottom end of the lower die seat, a nitrogen spring penetrating the lower die seat is installed on the nitrogen spring fixing seat, a workpiece is placed on the lower die core, the upper die pressing plate is installed on the upper die seat, a locating pin is embedded in the middle of one side of the upper die pressing plate near the edge, a nitrogen spring sleeve is sleeved on the top of the nitrogen spring, a first through hole is opened at the position of the lower die seat corresponding to the nitrogen spring, and a plurality of first mounting holes for installing the lower die core are opened on the lower die seat.

[0005] Preferably, a die core groove is provided at the position of the lower die base corresponding to the lower die core.

[0006] Preferably, arc grooves are provided at the four corners of the mold core groove.

[0007] Preferably, arc blocks are provided at the four corners of the lower mold core.

[0008] Preferably, the workpiece, the upper die pressing plate and the lower die core are all provided with pin holes at positions corresponding to the positioning pins.

[0009] Preferably, a second through hole is formed in the lower die core at a position corresponding to the nitrogen spring sleeve.

[0010] Beneficial effect: One action process when the utility model is used: a whole working process of a stamping progressive die, when the upper die pressing plate moves downward, the positioning pin moves downward with it, and the workpiece is lifted up by the nitrogen spring sleeve to present a floating state, as the upper die pressing plate continues to move downward, the positioning pin first enters the pin hole of the workpiece, and then enters the hole of the nitrogen spring sleeve, thereby playing a role in guiding the workpiece, and then the upper die pressing plate and the lower die core press the workpiece together, during this process the nitrogen spring sleeve will move downward due to the pressure of the upper die pressing plate, thereby driving the nitrogen spring to compress, and finally when the mold is opened, the upper die pressing plate moves upward first, and the positioning pin also moves upward, at the same time, the nitrogen spring of the lower die also rebounds due to the loss of the pressing force of the upper die pressing plate, driving the nitrogen spring sleeve to move upward, and the nitrogen spring sleeve then lifts the workpiece to achieve the effect of floating material.

[0011] The utility model has a novel structure and an ingenious conception, and can play a role in floating the material when the mold is opened, and can also play a role in positioning the material sheet when the mold is closed. 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 This is a schematic diagram of the first explosion structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the second explosion structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the mold opening structure of the utility model;

[0017] Figure 5 This is a schematic diagram of the closed structure of the mold of the utility model;

[0018] Numbers in the figure: 1, workpiece; 2, upper die pressing plate; 3, positioning pin; 4, lower die core; 5, nitrogen spring sleeve; 6, nitrogen spring; 7, lower die seat; 8, nitrogen spring fixing seat; 9, pin hole; 10, die core groove; 11, first through hole; 12, arc groove; 13, second through hole; 14, first mounting hole. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-5 The specific implementation modes of the present utility model are further described in detail.

[0020] Embodiment 1, by Figure 1-5 The utility model provides a dual-purpose mechanism for floating and positioning, comprising a workpiece 1, an upper die pressing plate 2, a positioning pin 3, a lower die core 4, a nitrogen spring sleeve 5, a nitrogen spring 6, a lower die base 7, a nitrogen spring fixing seat 8, a pin hole 9, a die core groove 10, a first through hole 11, an arc groove 12, a second through hole 13 and a first mounting hole 14, the lower die core 4 is mounted on the middle part of the top of the lower die base 7 by bolts, the nitrogen spring fixing seat 8 is mounted on the bottom end of the lower die base 7, the nitrogen spring 6 that penetrates the lower die base 7 is mounted on the nitrogen spring fixing seat 8, the workpiece 1 is placed on the lower die core 4, the upper die pressing plate 2 is mounted on the upper die base, the positioning pin 3 is embedded in the middle part of one side of the upper die pressing plate 2 near the edge, the nitrogen spring sleeve 5 is sleeved on the top of the nitrogen spring 6, the lower die base 7 is provided with a first through hole 11 at the position corresponding to the nitrogen spring 6, and the lower die base 7 is provided with a plurality of first mounting holes 14 for mounting the lower die core 4.

[0021] Specific use: an action process when the utility model is used: a whole working process of a stamping progressive die, when the upper die pressing plate 2 moves downward, the positioning pin 3 moves downward with it, and the workpiece 1 is lifted up by the nitrogen spring sleeve 5 and thus presents a floating state. As the upper die pressing plate 2 continues to move downward, the positioning pin 3 first enters the pin hole 9 of the workpiece 1, and then enters the hole of the nitrogen spring sleeve 5, thereby playing a role in guiding the workpiece 1, and then the upper die pressing plate 2 and the lower die core 4 press the workpiece 1 together. During this process, the nitrogen spring sleeve 4 will move downward due to the pressure of the upper die pressing plate 2, thereby driving the nitrogen spring 6 to compress. Finally, when the mold is opened, the upper die pressing plate 2 moves upward first, and the positioning pin 3 also moves upward. At the same time, the nitrogen spring 6 of the lower die also rebounds due to the loss of the pressing force of the upper die pressing plate 2, driving the nitrogen spring sleeve 5 to move upward, and the nitrogen spring sleeve 5 then lifts the workpiece 1 to achieve the effect of floating.

[0022] Beneficial effects: The utility model has a novel structure and an ingenious conception, and can not only play a role in floating the material when the mold is opened, but also play a role in positioning the material sheet when the mold is closed.

[0023] Embodiment 2

[0024] In the first embodiment, the lower die core 4 is inconvenient to install and use. Figure 1 As another preferred embodiment, the difference from the first embodiment is that a die core groove 10 is provided at the position of the lower die base 7 corresponding to the lower die core 4 to facilitate the installation and use of the lower die core 4.

[0025] Embodiment 3

[0026] In the second embodiment, the lower die core 4 is inconvenient to position. Figure 1 As another preferred embodiment, the difference from the second embodiment is that arc grooves 12 are provided at the four corners of the mold core groove 10 to facilitate the positioning of the lower mold core 4.

[0027] Embodiment 4

[0028] In the first embodiment, the lower die core 4 is inconvenient to position. Figure 1 As another preferred embodiment, the difference from the first embodiment is that arc blocks are provided at the four corners of the lower mold core 4 to facilitate the positioning of the lower mold core 4.

[0029] Embodiment 5

[0030] In the first embodiment, the positioning pin 3 is inconvenient to use. Figure 1 As another preferred embodiment, the difference from the first embodiment is that the workpiece 1, the upper mold plate 2 and the lower mold core 4 are all provided with pin holes 9 at the positions corresponding to the positioning pins 3 to facilitate the positioning of the positioning pins 3.

[0031] Embodiment 6

[0032] The nitrogen spring sleeve 5 in the first embodiment is inconvenient to use. Figure 1 As another preferred embodiment, the difference from the first embodiment is that a second through hole 13 is opened at the position of the lower die core 4 corresponding to the nitrogen spring sleeve 5 to facilitate the use of the nitrogen spring sleeve 5.

[0033] 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.

[0034] 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 dual-purpose mechanism for floating and positioning, comprising a workpiece (1), an upper die pressing plate (2), a positioning pin (3), a lower die core (4), a nitrogen spring sleeve (5), a nitrogen spring (6), a lower die seat (7), a nitrogen spring fixing seat (8), a pin hole (9), a die core groove (10), a first through hole (11), an arc groove (12), a second through hole (13) and a first mounting hole (14), characterized in that: A lower die core (4) is installed at the middle of the top of the lower die base (7) by bolts, a nitrogen spring fixing seat (8) is installed at the bottom of the lower die base (7), a nitrogen spring (6) penetrating the lower die base (7) is installed on the nitrogen spring fixing seat (8), a workpiece (1) is placed on the lower die core (4), an upper die pressing plate (2) is installed on the upper die base, a positioning pin (3) is embedded in the middle of one side of the upper die pressing plate (2) near the edge, a nitrogen spring sleeve (5) is sleeved on the top of the nitrogen spring (6), a first through hole (11) is opened at the position of the lower die base (7) corresponding to the nitrogen spring (6), and a plurality of first mounting holes (14) for mounting the lower die core (4) are opened on the lower die base (7).

2. A dual-purpose floating and positioning mechanism according to claim 1, characterized in that: The lower die seat (7) is provided with a die core groove (10) at a position corresponding to the lower die core (4).

3. A dual-purpose floating and positioning mechanism according to claim 2, characterized in that: Arc grooves (12) are arranged at the four corners of the mold core groove (10).

4. A dual-purpose floating and positioning mechanism according to claim 1, characterized in that: Arc blocks are arranged at the four corners of the lower die core (4).

5. A dual-purpose floating and positioning mechanism according to claim 1, characterized in that: The workpiece (1), the upper die pressing plate (2) and the lower die core (4) are all provided with pin holes (9) at positions corresponding to the positioning pins (3).

6. A dual-purpose floating and positioning mechanism according to claim 1, characterized in that: The lower die core (4) is provided with a second through hole (13) at a position corresponding to the nitrogen spring sleeve (5).

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