Novel die of rivet-free riveting structure

Abstract

The utility model relates to the technical field of riveting equipment, and discloses a novel die of a rivet-free riveting structure, which comprises an upper supporting plate, an upper pad foot is fixedly connected to the upper surface of the upper supporting plate, a lifting hook is fixedly connected to the upper surface of the upper supporting plate, an upper die holder is fixedly connected to the upper surface of the upper pad foot, and a lower die holder is fixedly connected to the lower surface of the upper die holder. An upper die outer limiting block is fixedly connected to the upper surface of the upper die base, hooks are arranged on the two sides of the outer wall of the upper die base, an outer guide column is fixedly connected to the upper surface of the upper die base, an upper die pressing plate is fixedly connected to the upper surface of the upper die base, and equal-height sleeves are arranged on the inner wall of the upper die pressing plate. According to the utility model, through the mutual cooperation of the outer guide pillar, the outer guide sleeve, the high sleeve and the riveting male, the problems that the product manufacturing cost is increased due to the fact that a product needs to be welded, and the product quality is influenced by errors caused by the fact that the product cannot be riveted in place at a time are solved; the effects of reducing the product manufacturing cost, achieving rapid, stable and efficient production and improving the product precision are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of riveting equipment, in particular to a new type of mold for riveting structure without rivets. Background Art

[0002] A mold is a tool used to shape objects in industrial production. It can make products with specific shapes and sizes by changing the physical state of the material. It is widely used in various molding methods such as injection molding, die casting, forging, smelting, and stamping. It plays an important role in many fields such as aerospace and automobile manufacturing, and has an important impact on the pillar industries of the national economy. At this time, a mold with a rivet-free riveting structure is usually required.

[0003] The rivetless riveting structure mold applies instantaneous ultra-high pressure to the plate through a special rivetless riveting structure, thereby creating a physical connection between the pressed plates, which can replace the traditional spot welding connection process. Compared with spot welding connection, rivetless riveting has the advantages of not damaging the surface coating of the plate, no thermal deformation, no pollution, and low cost of consumables.

[0004] However, when using traditional rivet-free riveting structure molds, since adding rivets to the product will interfere with other products, welding can only be performed after the product is produced, which increases the product production cost and fails to rivet in place at one time, resulting in errors in the subsequent welding of the product, which in turn affects the product appearance quality. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a new type of rivet-free riveting structure mold, which aims to improve the problem in the prior art that adding rivets to products will interfere with other products, welding can only be performed after the product is produced, which increases the product production cost and cannot be riveted in place at one time, resulting in errors in the subsequent welding of products, affecting the product appearance quality.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a new type of rivet-free riveting structure mold, including an upper support plate, the upper surface of the upper support plate is fixedly connected to an upper pad, the upper surface of the upper support plate is fixedly connected to a hook, the upper surface of the upper pad is fixedly connected to an upper mold base, the upper surface of the upper mold base is fixedly connected to an upper mold outer limit block, hooks are provided on both sides of the outer wall of the upper mold base, the upper surface of the upper mold base is fixedly connected to an outer guide column, the upper surface of the upper mold base is fixedly connected to an upper mold pressing plate, and the inner wall of the upper mold pressing plate is provided with an equal height sleeve.

[0007] Furthermore, the inner wall of the upper mold pressing plate is slidably connected to a riveting punch, the outer wall of the riveting punch is slidably connected to a punch clamp, the outer wall of the punch clamp is fixedly connected to the upper surface of the upper mold pressing plate, the inner wall of the upper mold pressing plate is slidably connected to a punching punch, the upper surface of the upper mold base is fixedly connected to a baffle 1, the upper surface of the upper mold base is provided with a spring, and the outer wall of the spring is provided with an outer guide.

[0008] Furthermore, two ends of the spring are fixedly connected to the inside of the outer guide, and a lower supporting plate is provided below the outer guide.

[0009] Furthermore, a hanging module is fixedly connected to the upper surface of the lower supporting plate, and a lower pad is fixedly connected to the upper surface of the lower supporting plate.

[0010] Furthermore, the upper surface of the lower foot is fixedly connected to a lower die base, the upper surface of the lower die base is fixedly connected to a lower die outer limit block, the upper surface of the lower die base is fixedly connected to a baffle 2, and the upper surface of the lower die base is fixedly connected to an outer guide sleeve.

[0011] Furthermore, a fixing seat is fixedly connected to the upper surface of the lower die seat, a rivet pin is slidably connected to the inner wall of the fixing seat, and a floating plate is fixedly connected to the upper surface of the lower die seat.

[0012] Furthermore, concave blocks are fixedly connected to both sides of the outer wall of the floating plate, and an inner limit block is fixedly connected to the upper surface of the floating plate.

[0013] Furthermore, a material guide block is fixedly connected to the upper surface of the floating plate, and a material guide hole is provided inside the material guide block.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the outer guide pin, the outer guide sleeve, the spring, the outer guide heel and the concave block cooperate with each other, thereby solving the problem that the product will interfere with other products when rivets are added, and welding can only be performed after the product is produced, thereby increasing the product production cost. The effect of reducing the product production cost while achieving fast, stable and efficient production is achieved.

[0016] 2. In the utility model, the equal height sleeve, riveting punch, punching punch, punch splint, riveting pin, fixing seat and guide block cooperate with each other, thereby solving the problem of failure to rivet into place at one time, resulting in errors in subsequent welding and replacement of products, and affecting the appearance quality of the products, thereby achieving the effect of improving product precision and better achieving the appearance quality required by customers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the three-dimensional structure of an upper mold of a mold of a novel rivet-free riveting structure proposed by the utility model;

[0018] Figure 2 A schematic diagram of the three-dimensional structure of the lower mold of a new type of rivet-free riveting structure proposed by the utility model;

[0019] Figure 3 The utility model provides a schematic diagram of the cross-sectional structure of a punch clamp of a die of a novel rivet-free riveting structure.

[0020] Legend:

[0021] 1. Upper support plate; 2. Upper pad foot; 3. Lifting hook; 4. Equal height sleeve; 5. Upper die outer limit block; 6. Riveting punch; 7. Upper die pressing plate; 8. Outer guide; 9. Hook; 10. Outer guide column; 11. Punching punch; 12. Spring; 13. Baffle plate 1; 14. Upper die seat; 15. Lower support plate; 16. Lower die seat; 17. Lower pad foot; 18. Lower die outer limit block; 19. Baffle plate 2; 20. Lifting module; 21. Outer guide sleeve; 22. Riveting male; 23. Floating plate; 24. Concave block; 25. Inner limit block; 26. Guide block; 27. Punch clamp; 28. Fixed seat; 29. ​​Guide hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1 and Figure 3 The utility model provides an embodiment: a new type of rivet-free riveting structure mold, including an upper support plate 1, an upper pad 2 is fixedly connected to the upper surface of the upper support plate 1, a hook 3 is fixedly connected to the upper surface of the upper pad 2, an upper die base 14 is fixedly connected to the upper surface of the upper die base 14, an upper die outer limit block 5 is fixedly connected to the upper surface of the upper die base 14, hooks 9 are arranged on both sides of the outer wall of the upper die base 14, an outer guide column 10 is fixedly connected to the upper surface of the upper die base 14, an upper die pressing plate 7 is fixedly connected to the upper surface of the upper die pressing plate 7, and the inner wall of the upper die pressing plate 7 A sleeve of equal height 4 is provided, and a riveting punch 6 is slidably connected to the inner wall of the upper die pressing plate 7, a punch clamp 27 is slidably connected to the outer wall of the riveting punch 6, the outer wall of the punch clamp 27 is fixedly connected to the upper surface of the upper die pressing plate 7, a punching punch 11 is slidably connected to the inner wall of the upper die pressing plate 7, a baffle 13 is fixedly connected to the upper surface of the upper die base 14, a spring 12 is provided on the upper surface of the upper die base 14, an outer guide 8 is sleeved on the outer wall of the spring 12, both ends of the spring 12 are fixedly connected to the inside of the outer guide 8, and a lower support plate 15 is provided below the outer guide 8.

[0024] Specifically, by setting the upper foot 2 so that the upper support plate 1 and the upper die seat 14 can be stably connected, the stability of the connection of the upper die as a whole is improved, and the smooth lifting and lowering of the upper die when riveting the product is ensured; the product to be riveted can be hung on the hook 3 and the hook 9 of the upper die through the rope, which is convenient for positioning and loading the product to be riveted; the upper die outer limit block 5 is used to determine the lower dead point of the die and the lowest position of the die during the stamping process, so as to ensure that the die moves according to the set stroke and avoid damage to the die due to excessive stroke; the function of the outer guide column 10 is mainly used for upper and lower The lower die is guided to ensure the relative position of the upper and lower dies; the riveting punch 6 and the punching punch 11 punch the riveted product and ensure the stability and firmness of the riveted connection; the punch clamp 27 plays the role of fastening the die in the structure of the die; the equal height sleeve 4 can make the position of the outer guide column 10 on the die more accurate, thereby ensuring higher precision in die processing; the outer guide heel 8 is engaged with the groove of the concave block 24 on the lower die floating plate 23 to ensure that the upper and lower dies fit closely, and the spring 12 is compressed and rebounded in the outer guide heel 8 to prevent the upper die from excessive feed causing die wear, and play a buffering and protective role.

[0025] Reference Figure 2 and Figure 3 The upper surface of the lower support plate 15 is fixedly connected with a hanging module 20, the upper surface of the lower support plate 15 is fixedly connected with a lower pad 17, the upper surface of the lower pad 17 is fixedly connected with a lower die base 16, the upper surface of the lower die base 16 is fixedly connected with a lower die outer limit block 18, the upper surface of the lower die base 16 is fixedly connected with a baffle 2 19, the upper surface of the lower die base 16 is fixedly connected with an outer guide sleeve 21, the upper surface of the lower die base 16 is fixedly connected with a fixed seat 28, the inner wall of the fixed seat 28 is slidably connected with a rivet male 22, the upper surface of the lower die base 16 is fixedly connected with a floating plate 23, the outer walls of the floating plate 23 are fixedly connected with concave blocks 24, the upper surface of the floating plate 23 is fixedly connected with an inner limit block 25, the upper surface of the floating plate 23 is fixedly connected with a guide block 26, and a guide hole 29 is opened inside the guide block 26.

[0026] Specifically, by setting the lower pad 17 so that the lower support plate 15 and the lower die seat 16 can be stably connected, the stability of the connection of the lower die as a whole is improved, and the stability of the lower die is ensured when riveting the product; the lower die outer limit block 18 is used to determine the upper dead point of the die, determine the highest position of the die in the stamping process, and further ensure that the die moves according to the set stroke to avoid damage to the die due to excessive stroke, and cooperate with the upper die outer limit block 5 for double protection; the outer guide sleeve 21 cooperates with the outer guide column 10 to guide the upper and lower dies and ensure the relative position of the upper and lower dies; the outer guide heel 8 is engaged with the groove of the concave block 24 to ensure that the upper and lower dies fit tightly; the riveting male 22 in the fixed seat 28 cooperates with the riveting punch 6 and the punching punch 11 of the upper die to perform stamping processing on the riveted product; the guide block 26 can receive the riveted product; the hanging module 20 cooperates with the upper die hook 3 and the hook 9 to facilitate the positioning and loading of the riveted product.

[0027] Working principle: When it is necessary to rivet the product, first hang the product to be riveted on the hook 3 of the upper die and the hanging module 20 of the lower die through a rope, and move the punch plate downward to drive the upper die part of the die to move downward, and the upper die pressing plate 7 on the upper die seat 14 is aligned with the floating plate 23 on the lower die seat 16. Under the accurate guidance of the outer guide column 10 on the upper die seat 14 and the outer guide sleeve 21 on the lower die seat 16, the die begins to close; when the upper die drops to a certain position, the upper die pressing plate 7 contacts the product and presses the product, so that the punch continues to move downward, and the outer guide heel 8 on the upper die pressing plate 7 is aligned with the concave block on the lower die floating plate 23. 24 grooves are fitted together to ensure that the upper and lower molds are tightly fitted, and at the same time, the spring 12 in the outer guide heel 8 is compressed. At this time, the riveting punch 6 and the punching punch 11 of the upper mold extend from the punch clamp 27, and at the same time, the riveting male 22 in the fixed seat 28 on the lower mold floating plate 23 extends out, and through cooperation with the riveting punch 6 and the punching punch 11, the product is riveted without rivets; when the upper platen of the punch press reaches the lower dead point position, it begins to rise, driving the upper mold to move upward, and at the same time, the spring 12 in the outer guide heel 8 in the upper mold pressing plate 7 is reset, and the outer guide heel 8 slides out from the groove in the concave block 24 on the lower mold floating plate 23, the upper mold retreats, and the product riveting is completed.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A new type of rivet-free riveting structure mold, comprising an upper support plate (1), characterized in that: The upper surface of the upper support plate (1) is fixedly connected with an upper pad (2), the upper surface of the upper support plate (1) is fixedly connected with a hook (3), the upper surface of the upper pad (2) is fixedly connected with an upper die base (14), the upper surface of the upper die base (14) is fixedly connected with an upper die outer limit block (5), hooks (9) are arranged on both sides of the outer wall of the upper die base (14), the upper surface of the upper die base (14) is fixedly connected with an outer guide column (10), the upper surface of the upper die base (14) is fixedly connected with an upper die pressing plate (7), and the inner wall of the upper die pressing plate (7) is provided with a sleeve (4) of equal height.

2. The mold of the novel rivet-free riveting structure according to claim 1 is characterized in that: The inner wall of the upper die pressing plate (7) is slidably connected to a riveting punch (6), the outer wall of the riveting punch (6) is slidably connected to a punch clamp (27), the outer wall of the punch clamp (27) is fixedly connected to the upper surface of the upper die pressing plate (7), the inner wall of the upper die pressing plate (7) is slidably connected to a punching punch (11), the upper surface of the upper die seat (14) is fixedly connected to a baffle plate 1 (13), the upper surface of the upper die seat (14) is provided with a spring (12), and the outer wall of the spring (12) is sleeved with an outer guide (8).

3. The mold of the novel rivet-free riveting structure according to claim 2 is characterized in that: Both ends of the spring (12) are fixedly connected to the inside of the outer guide (8), and a lower support plate (15) is provided below the outer guide (8).

4. The mold of the novel rivet-free riveting structure according to claim 3 is characterized in that: The upper surface of the lower support plate (15) is fixedly connected to a hanging module (20), and the upper surface of the lower support plate (15) is fixedly connected to a lower pad foot (17).

5. The mold of the novel rivet-free riveting structure according to claim 4 is characterized in that: The upper surface of the lower pad (17) is fixedly connected to a lower die base (16), the upper surface of the lower die base (16) is fixedly connected to a lower die outer limit block (18), the upper surface of the lower die base (16) is fixedly connected to a baffle plate 2 (19), and the upper surface of the lower die base (16) is fixedly connected to an outer guide sleeve (21).

6. The mold of the novel rivet-free riveting structure according to claim 5 is characterized in that: The upper surface of the lower die seat (16) is fixedly connected to a fixing seat (28), the inner wall of the fixing seat (28) is slidably connected to a riveting pin (22), and the upper surface of the lower die seat (16) is fixedly connected to a floating plate (23).

7. The mold of the novel rivet-free riveting structure according to claim 6 is characterized in that: Concave blocks (24) are fixedly connected to both sides of the outer wall of the floating plate (23), and an inner limit block (25) is fixedly connected to the upper surface of the floating plate (23).

8. The mold of the novel rivet-free riveting structure according to claim 7 is characterized in that: A material guide block (26) is fixedly connected to the upper surface of the floating plate (23), and a material guide hole (29) is provided inside the material guide block (26).

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