Efficient rivet pressing jig with multiple rivets evenly stressed

Abstract

The utility model discloses an efficient pressure riveting jig with multiple rivets evenly stressed, which belongs to the technical field of pressure riveting jigs and comprises an upper pressure riveting die and a lower pressure riveting die, a plurality of insertion holes are evenly arranged on the upper pressure riveting die, step pins are inserted into the insertion holes, threaded rods are arranged on the upper portions of the step pins, and lower pressure heads are arranged on the lower portions of the step pins. The lower pressing head protrudes out of the lower portion of the upper rivet pressing die, the threaded rod penetrates through the upper portion of an inserting hole of the upper rivet pressing die and is fixedly connected with the upper rivet pressing die through a fixing nut, and the lower rivet pressing die is arranged below the upper rivet pressing die. The riveting die is simple in structure and convenient to use, the step pin is arranged in the upper die, the extending length of the step pin can be adjusted according to the actual situation during riveting, and the step pin is fixed through the fixing nut, so that during riveting, a plurality of rivets are riveted at the same time, stress is even, the rivets can be pressed in place at a time, and riveting efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a press -in rivet jig technical field, concretely relates to a kind of efficient press-in rivet jigs of multiple rivet uniform stress. BACKGROUND

[0002] When simultaneously pressing multiple rivets on soft row, the upper die of the press-in rivet jig used is usually a plane die, and under the condition of multiple rivets being pressed simultaneously, uneven stress may exist, leading to the fact that multiple rivets of the product cannot be pressed in place at one time, and multiple press-in rivets are required, with the risk of missed press-in rivet. SUMMARY

[0003] The utility model aims at: provide a kind of efficient press-in rivet jigs of multiple rivet uniform stress to solve the problem of uneven stress of multiple rivets simultaneously pressed in, leading to the fact that multiple rivets are required, even missed press-in.

[0004] Technical scheme: the utility model provides a kind of efficient press-in rivet jigs of multiple rivet uniform stress, comprising: press-in upper die, press-in lower die, the press-in upper die is evenly provided with several insertion holes, the insertion hole is inserted into stepped pin, the upper portion of the stepped pin is threaded rod, and the lower portion is lower pressing head, the lower pressing head protrudes below the press-in upper die, the threaded rod passes through the insertion hole of press-in upper die above, and is fixedly connected by being fixed with fixed nut, the press-in lower die is arranged below the press-in upper die.

[0005] Further, the efficient press-in rivet jig of multiple rivet uniform stress described above, the insertion hole in the press-in upper die is divided into upper and lower two parts, the inner diameter of the upper part is smaller than that of the lower part, and the sizes are matched with the threaded rod and the lower pressing head respectively.

[0006] Further, the efficient press-in rivet jig of multiple rivet uniform stress described above, the press-in upper die is provided with lower pressing portion in the middle of upper side.

[0007] Further, the efficient press-in rivet jig of multiple rivet uniform stress described above, the lower pressing portion is provided with lower pressing column above, and the lower pressing column is provided with pressing hole in the middle.

[0008] Further, the efficient press-in rivet jig of multiple rivet uniform stress described above, the press-in lower die is evenly provided with several stamping through holes.

[0009] Further, the efficient press-in rivet jig of multiple rivet uniform stress described above, the position of the stamping through hole is opposite to the lower pressing head in the upper insertion hole.

[0010] Further, the efficient press-in rivet jig of multiple rivet uniform stress described above, the press-in lower die is provided with upper pressing column below, the upper pressing column and the lower pressing column are symmetrically arranged, and the upper pressing column is provided with pressing hole in the middle.

[0011] As can be seen from the above technical solution, the present invention has the following beneficial effects: The present invention provides a high-efficiency riveting fixture with multiple rivets subjected to uniform force. It has a simple structure and is easy to use. By setting a stepped pin in the upper mold, the extension length of the stepped pin can be adjusted according to the actual situation during riveting. It is fixed by a fixing nut, so that multiple rivets are riveted at the same time during riveting, and the force is uniform. It can be pressed into place at the same time, thus improving the riveting efficiency. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of a high-efficiency riveting fixture with multiple rivets subjected to uniform force according to this utility model;

[0013] Figure 2 This is a schematic diagram of the press-fit upper mold of this utility model;

[0014] Figure 3 This is a schematic diagram of the stepped pin of this utility model;

[0015] Figure 4 This is a schematic cross-sectional view of a high-efficiency riveting fixture with multiple rivets subjected to uniform force according to this utility model.

[0016] In the figure: upper pressing die 1, lower pressing die 2, stepped pin 11, fixing nut 12, lower pressing part 13, lower pressing column 14, punching through hole 21, upper pressing column 22, threaded rod 111, lower pressing head 112. Detailed Implementation

[0017] Example 1

[0018] like Figures 1-3 The diagram illustrates a high-efficiency riveting fixture with uniform force distribution on multiple rivets, comprising: an upper riveting die 1 and a lower riveting die 2. The upper riveting die 1 has a plurality of evenly spaced insertion holes. Stepped pins 11 are inserted into these holes. Each stepped pin 11 has a threaded rod 111 at its upper part and a lower pressing head 112 at its lower part. The lower pressing head 112 protrudes below the upper riveting die 1. The threaded rod 111 passes through the insertion holes of the upper riveting die 1 and is fixedly connected by a fixing nut 12. The lower riveting die 2 is positioned below the upper riveting die 1. By incorporating stepped pins 11 in the upper die, the extension length of the stepped pins 11 can be adjusted according to the actual riveting conditions, and the fixing nut 12 ensures uniform force distribution on the rivets during riveting.

[0019] like Figure 4 The diagram illustrates a high-efficiency riveting fixture with multiple rivets subjected to uniform force. The insertion holes in the upper riveting die 1 are divided into upper and lower parts, with the upper inner diameter being smaller than the lower inner diameter. These dimensions are matched to the threaded rod 111 and the lower pressure head 112, respectively. This ensures stable and uniform downward pressure on the rivets during riveting. Furthermore, the two inner diameter insertion holes form a stepped structure, guaranteeing stable force application to the lower pressure head 112 during riveting.

[0020] Embodiment 2

[0021] In this embodiment, based on embodiment 1, as shown in Figure 2 A high-efficiency rivet pressing jig for uniform stress of multiple rivets, the pressing upper die 1 is provided with a pressing portion 13 in the middle above, the pressing portion 13 is provided with a pressing column 14 above, the pressing column 14 is provided with a pressing hole in the middle.

[0022] As shown in Figure 4 A high-efficiency rivet pressing jig for uniform stress of multiple rivets, the pressing lower die 2 is uniformly provided with a plurality of stamping through holes 21, the stamping through holes 21 are located opposite to the pressing head 112 in the upper insertion hole. The pressing head 112 corresponds to the stamping through hole 21 one by one, multiple rivets are pressed at the same time, which can be pressed in place at one time, improving the rivet pressing efficiency.

[0023] In this embodiment, the pressing lower die 2 is provided with an upper pressing column 22 below, the upper pressing column 22 is symmetrically arranged with the lower pressing column 14, and the upper pressing column 22 is provided with a pressing hole in the middle.

[0024] In this embodiment, the stepped pin 11 is arranged in the middle insertion hole, since the middle insertion hole is provided with a pressing portion 13 above, it cannot be fixed by a fixed nut 12, so a hole is opened in the middle of the side surface of the pressing upper die 1, and the stepped pin 11 is fixed by arranging a fixed bolt.

[0025] It should be noted that the above is only the technical solution of the utility model and not a limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the utility model technical solution can be modified or replaced equivalently without departing from the scope of the utility model technical solution, which should be covered in the scope of the claims of the utility model.

Claims

1. A high-efficiency rivet pressing jig for multi-rivets uniform stress, characterized in that: The utility model relates to a press-in rivet die set, which comprises: a press-in rivet upper die (1) uniformly provided with a plurality of insertion holes, a stepped pin (11) inserted into the insertion hole, a threaded rod (111) at the upper part of the stepped pin (11), a lower pressing head (112) at the lower part of the stepped pin (11), the lower pressing head (112) protruding below the press-in rivet upper die (1), the threaded rod (111) penetrating through the insertion hole above the press-in rivet upper die (1) and fixedly connected by a fixed nut (12); a press-in rivet lower die (2) arranged below the press-in rivet upper die (1).

2. The high-efficiency multi-riveting uniform stress press riveting jig according to claim 1, characterized in that: The insertion hole in the press-in rivet upper die (1) is divided into two parts, the inner diameter of the upper part is smaller than that of the lower part, and the sizes are matched with the threaded rod (111) and the lower pressing head (112) respectively.

3. The high-efficiency multi-riveting uniform stress press riveting jig according to claim 1, characterized in that: A lower pressing part (13) is arranged in the middle of the upper part of the press-in rivet upper die (1).

4. The high-efficiency multi-riveting uniform stress press riveting jig according to claim 3, characterized in that: A lower pressing column (14) is arranged above the lower pressing part (13), and a pressing hole is arranged in the middle of the lower pressing column (14).

5. The high-efficiency multi-riveting uniform stress press rivet tool of claim 1, wherein: A plurality of stamping through holes (21) are uniformly arranged on the press-in rivet lower die (2).

6. The high-efficiency multi-riveting uniform stress press rivet jig according to claim 5, characterized in that: The stamping through hole (21) is located opposite to the lower pressing head (112) in the upper insertion hole.

7. The high-efficiency multi-riveting uniform stress press rivet tool of claim 1, wherein: An upper pressing column (22) is arranged below the press-in rivet lower die (2), the upper pressing column (22) is symmetrically arranged with the lower pressing column (14), and a pressing hole is arranged in the middle of the upper pressing column (22).

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