Negative angle product forming die

Abstract

The utility model relates to the technical field of stamping, in particular to a negative angle product forming die which comprises an upper die pressing material, a base plate located below the upper die pressing material, a dovetail sliding block mechanism arranged on the base plate and two floating plates located on the two sides of the dovetail sliding block mechanism, and the two floating plates are not in contact with the base plate and the dovetail sliding block mechanism. Stripping is achieved through the dovetail sliding block mechanism, the inclined retreating of the dovetail sliding block mechanism, the secondary floating lifting of the floating plates on the two sides and Z-direction demolding of a product are achieved by calculating the demolding angle and the demolding height when the upper mold retreats, the mold is simple and easy to disassemble, automatic continuous mold production can be achieved, cost is saved, and working procedure efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping, in particular to a forming die for negative angle products. Background Art

[0002] During the stamping production process of the right front mount mounting plate (501011649AA product), due to the negative angle of this product itself, there is a phenomenon that demoulding in the Z direction is impossible, as Figure 1 shown.

[0003] The current stamping plan is to use a single-process forming method with manual loading, which has low efficiency and high cost and cannot meet automated production. Summary of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides a forming die for negative angle products.

[0005] The technical problems to be solved by the utility model are realized by the following technical solutions:

[0006] A forming die for negative angle products includes an upper die pressure pad, a backing plate located below the upper die pressure pad, a dovetail slider mechanism arranged on the backing plate, and two floating plates on both sides of the dovetail slider mechanism. The two floating plates do not contact the backing plate and the dovetail slider mechanism;

[0007] During stamping, the 501011649AA product is placed on the dovetail slider mechanism and the two floating plates. During demoulding, the dovetail slider mechanism and the two floating plates move upward synchronously. Among them, the dovetail slider mechanism retracts obliquely, so that the dovetail slider mechanism and the 501011649AA product are misaligned and separated to a safe demoulding distance, and the two floating plates continue to drive the 501011649AA product upward until the 501011649AA product is completely demoulded.

[0008] As a further improvement of the utility model, the dovetail slider mechanism includes a slider base arranged on the backing plate, a slider that is obliquely slidably matched with the slider base, and a forming insert arranged on the slider. During stamping, the 501011649AA product is placed on the forming insert.

[0009] As a further improvement of the utility model, the movement stroke of the two floating plates is greater than the movement stroke of the slider.

[0010] As a further improvement of the utility model, a plurality of slider nitrogen springs are arranged below the backing plate, the tops of the plurality of slider nitrogen springs are correspondingly connected with slider ejector rods, and the plurality of slider ejector rods are connected with the bottom of the slider.

[0011] As a further improvement of the utility model, a floating plate nitrogen spring is connected below the two floating plates.

[0012] The beneficial effects of the present utility model are as follows:

[0013] The present utility model provides a forming die for negative angle products. The stripping is realized by adopting a dovetail slider mechanism. By calculating the demolding angle and height, the dovetail slider mechanism retreats obliquely when the upper die retracts, and the two floating plates float upward for the second time to realize the Z-direction demolding of the product. This die is simple and easy to disassemble, can realize automatic continuous die production, save costs, and improve the process efficiency. Brief Description of the Drawings

[0014] The present utility model will be further described below in conjunction with the drawings and embodiments:

[0015] Figure 1 It is a schematic diagram of the existing processing of product 501011649AA;

[0016] Figure 2 It is an isometric structural schematic diagram of the present utility model in the closed die state;

[0017] Figure 3 It is an isometric structural schematic diagram of the present utility model in the first-level jacking state;

[0018] Figure 4 It is an isometric structural schematic diagram of the present utility model in the open die state;

[0019] Figure 5 It is a structural schematic diagram of the slider in the present utility model.

[0020] In the figure: 1. Product 501011649AA; 2. Upper die pressure material; 3. Floating plate; 4. Forming insert; 5. Slider; 6. Base plate; 7. Slider nitrogen spring; 8. Slider ejector rod; 9. Floating plate nitrogen spring; 10. Slider base. Detailed Embodiments

[0021] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with the drawings and embodiments.

[0022] As Figures 2 to 5 shown, a forming die for negative angle products is composed of an upper die pressure material 2, two floating plates 3, a dovetail slider mechanism, a base plate 6, a slider nitrogen spring 7, a slider ejector rod 8, and a floating plate nitrogen spring 9. Among them, as Figure 5 shown, the dovetail slider mechanism is composed of a forming insert 4, a slider 5, and a slider base 10.

[0023] The upper die blank holder 2 is connected to the machine tool. During stamping, the machine tool drives the upper die blank holder 2 to move downward to perform stamping. The forming insert 4 is fixed on the slide block 5, and the slide block 5 is slidably matched with the slide block base 10. The slide block base 10 provides an inclined sliding guide for the slide block 5. The slide block base 10 is fixed on the backing plate 6. A plurality of slide block nitrogen springs 7 are provided and are located below the backing plate 6. A plurality of slide block ejector rods 8 are provided. The bottom is connected to the slide block nitrogen spring 7, and the top is connected to the bottom of the slide block 5. When the slide block ejector rod 8 jacks up the slide block 5, the slide block base 10 will convert the jacking motion of the slide block 5 into an inclined motion, so that the 501011649AA product 1 after stamping is misaligned and separated from the forming insert 4 to a safe demolding distance. Two floating plates 3 are located on both sides of the dovetail slide block mechanism for placing the 501011649AA product 1. At the same time, after stamping is completed, the 501011649AA product 1 is driven to demold. Two floating plate nitrogen springs 9 are provided and are connected to the bottoms of the two floating plates 3. The stroke of the floating plate nitrogen spring 9 is greater than the stroke of the slide block nitrogen spring 7, so that after the slide block 5 stops moving, the two floating plates 3 will continue to move upward.

[0024] Working principle and usage process of the present utility model:

[0025] During stamping, the machine tool drives the upper die blank holder 2 to move downward. At this time, the floating plate 3 moves downward, and the slide block 5 moves obliquely downward until the slide block 5 contacts the backing plate 6 to complete stamping. At this time, the floating plate nitrogen spring 9 is in a compressed state due to the downward movement of the floating plate 3. The slide block nitrogen spring 7 drives the slide block ejector rod 8 to move synchronously due to the downward movement of the slide block 5 and is also in a compressed state at this time; as Figure 2 shown.

[0026] After stamping is completed, the machine tool drives the upper die blank holder 2 to return. The floating plate nitrogen spring 9 and the slide block nitrogen spring 7 are released simultaneously. The slide block ejector rod 8 ejects, and the slide block ejector rod 8 drives the slide block 5 to move obliquely under the guidance of the slide block base 10. At this time, the 501011649AA product 1 moves vertically upward following the floating plate 3. Due to the oblique movement of the slide block 5, a certain safe demolding distance is formed between the forming insert 4 on the slide block 5 and the 501011649AA product 1 to ensure that the 501011649AA product 1 can be demolded vertically upward. The slide block 5 stops moving. At this time, the pressure of the slide block nitrogen spring 7 has been completely released, and the floating plate nitrogen spring 9 is still in a compressed state; as Figure 3 shown.

[0027] After the machine tool drives the upper die pressure plate 2 to fully open, the floating plate 3 continues to drive the 501011649AA product 1 to float vertically upward until the pressure of the floating plate nitrogen spring 9 is fully released. At this time, the 501011649AA product 1 is completely ejected, and the feeder continues to feed, completing one stroke, as Figure 4 shown.

[0028] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification is only the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A negative angle product forming die, characterized in that: It comprises an upper mold pressing material (2), a pad (6) located below the upper mold pressing material (2), a dovetail slider mechanism arranged on the pad (6), and two floating plates (3) located on both sides of the dovetail slider mechanism, wherein the two floating plates (3) are not in contact with the pad (6) and the dovetail slider mechanism; During stamping, the product to be processed is placed on the dovetail slider mechanism and the two floating plates (3); during demolding, the dovetail slider mechanism and the two floating plates (3) move upward synchronously, wherein the dovetail slider mechanism retreats obliquely so that the dovetail slider mechanism and the product are separated and misaligned to a safe demolding distance, and the two floating plates (3) continue to drive the product to move upward until the product is completely demolded.

2. A negative angle product forming die according to claim 1, characterized in that: The dovetail slider mechanism comprises a slider base (10) arranged on the pad (6), a slider (5) obliquely slidingly matched with the slider base (10), and a forming insert (4) arranged on the slider (5). During stamping, the product to be processed is placed on the forming insert (4).

3. A negative angle product forming die according to claim 2, characterized in that: The movement stroke of the two floating plates (3) is greater than the movement stroke of the sliding block (5).

4. A negative angle product forming die according to claim 2, characterized in that: A plurality of slider nitrogen springs (7) are arranged below the pad (6), the tops of the plurality of slider nitrogen springs (7) are correspondingly connected to slider push rods (8), and the plurality of slider push rods (8) are connected to the bottom of the slider (5).

5. A negative angle product forming die according to claim 3, characterized in that: A floating plate nitrogen spring (9) is connected below the two floating plates (3).

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