A multi-specification riveting tool

Abstract

The utility model belongs to the production technical field of radiator, disclose a kind of multi-specification riveting tool, including the upper die of upper and lower distribution and mutually cooperate, the bottom of upper die is equipped with multiple mounting hole for installing punch, the side of each mounting hole is equipped with locking member for fixed punch, the top of lower die is equipped with multiple riveting hole matched with mounting hole position. The utility model is provided with multiple mounting hole on upper die, and multiple matched riveting hole is set on lower die, can satisfy the riveting demand of multiple different length specifications radiator product, greatly improve the versatility of tooling, without frequently replacing upper die and lower die, to improve production efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of radiator manufacturing technology, specifically relating to a multi-specification riveting fixture. Background Technology

[0002] During the manufacturing process of the radiator, the upper cover plate 1 and the connector 101 are usually fixedly connected by a riveting process, as shown in the specific structure. Figure 1 As shown. Since radiator products come in various specifications with different lengths, the production line needs to be equipped with corresponding specialized riveting fixtures for different specifications of radiator products.

[0003] When production tasks require switching between different specifications of heat sinks, operators must stop the machine and replace the upper and lower dies in the entire riveting fixture. This die-changing process is cumbersome and time-consuming, leading to increased equipment downtime and severely impacting production efficiency. Therefore, there is an urgent need for a method that can meet the riveting requirements of multiple product specifications simply by adjusting the punch position, without the need for frequent changes to the upper and lower dies, thereby improving production efficiency. Utility Model Content

[0004] This invention addresses the shortcomings of the prior art by providing a multi-specification riveting fixture. By simply adjusting the position of the punch, the riveting requirements of products of various specifications can be met without the need for frequent changes of the upper and lower dies, thereby improving production efficiency.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows: A multi-specification riveting fixture includes an upper die and a lower die that are distributed vertically and cooperate with each other. The bottom of the upper die is provided with a plurality of mounting holes for mounting punches at intervals. Each mounting hole is provided with a locking member for fixing the punch on one side. The top of the lower die is provided with a plurality of riveting holes that match the positions of the mounting holes.

[0006] Preferably, each of the mounting holes has a threaded hole on one side, the locking member is threadedly connected to the threaded hole, and its end abuts against the punch.

[0007] Preferably, the riveting fixture further includes a top plate, a lifting plate, and a bottom plate arranged in parallel from top to bottom. A guide post is provided between the top plate and the bottom plate. The lifting plate is slidably connected to the guide post. A hydraulic cylinder is provided on the top plate, and the hydraulic cylinder is connected to the lifting plate.

[0008] Preferably, the bottom of the lifting plate is provided with an upper mold base, which is connected to the upper mold, and the top of the base plate is provided with a lower mold base, which is connected to the lower mold.

[0009] Preferably, the upper mold and the upper mold base, and the lower mold and the lower mold base are connected by the same detachable connection structure.

[0010] Preferably, the connecting structure includes a wing plate fixed to the side of the upper or lower mold, a sliding groove formed on the upper or lower mold base, a strip hole formed on the wing plate, a slider slidably connected in the sliding groove, a positioning screw connected to the slider, the positioning screw passing through the corresponding strip hole and threaded with a locking nut.

[0011] Preferably, the vertical cross-section of the groove is T-shaped.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: (1) By setting multiple mounting holes on the upper mold and multiple matching riveting holes on the lower mold, this utility model can meet the riveting requirements of various heat sink products of different lengths and specifications, greatly improving the versatility of the tooling, eliminating the need to frequently change the upper and lower molds, thereby improving production efficiency. (2) The upper and lower molds of this utility model adopt a quick clamping structure with the mold base. According to production needs, the upper and lower molds used for riveting can be quickly replaced with molds used for punching, stamping, bending and other processes, which greatly expands the application range of the equipment and reduces the equipment cost. Attached Figure Description

[0013] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings.

[0014] Figure 1 This is a structural diagram of the top cover and connector of an existing radiator. Figure 2 This is a schematic diagram of the structure of this utility model; Figure 3 This is a side view of the upper and lower molds of this utility model. In the diagram: 1. Upper cover plate, 101. Connector, 2. Upper mold, 201. Mounting hole, 202. Threaded hole, 3. Lower mold, 301. Riveting hole, 4. Locking component, 5. Top plate, 6. Lifting plate, 7. Bottom plate, 8. Guide column, 9. Hydraulic cylinder, 10. Upper mold base, 11. Lower mold base, 12. Wing plate, 1201. Strip hole, 13. Slide groove, 14. Slider, 15. Positioning screw, 16. Locking nut, 17. Punch. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0016] In the description of this utility model, it should be understood that the terms "middle", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0017] In this utility model, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," "link," and "fix" should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; a mechanical connection; a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0018] like Figure 2 As shown, a multi-specification riveting fixture includes an upper die 2 and a lower die 3 that are distributed vertically and cooperate with each other. The bottom of the upper die has multiple mounting holes 201 spaced apart for mounting punches. Each mounting hole has a locking element 4 on one side for fixing a punch 17. Figure 3 As shown, each mounting hole has a threaded hole 202 on one side. A locking element is threaded into the threaded hole, and its end abuts against the punch. The locking element is a locking screw; tightening the locking screw tightens and secures the punch. The top of the lower die has multiple riveting holes 301 that match the positions of the mounting holes. These riveting holes are used to accommodate the radiator connectors. Figure 1 It is known that a connector needs to be riveted to each end of the upper cover plate 1 of the radiator. The two connectors are placed in the two riveting holes, with the distance between the two riveting holes matching the distance between the two connectors on the upper cover plate. In actual use, the positions of the riveting holes and punches can be preset according to the actual product specifications, length, and connector positions. During riveting, the two punches are installed in the mounting holes corresponding to the connector positions and secured with locking devices. When the upper die moves downwards, the punches precisely align with the riveting holes, thus completing the riveting operation.

[0019] like Figure 3 As shown, the riveting fixture also includes a top plate 5, a lifting plate 6, and a bottom plate 7 arranged in parallel from top to bottom. A guide post 8 is provided between the top plate and the bottom plate. The lifting plate is slidably connected to the guide post. A hydraulic cylinder 9 is provided on the top plate and is connected to the lifting plate. An upper mold base 10 is provided at the bottom of the lifting plate and is connected to the upper mold. A lower mold base 11 is provided at the top of the bottom plate and is connected to the lower mold. The hydraulic cylinder is used to drive the upper mold to perform lifting and lowering movements to realize riveting and resetting work.

[0020] The upper die and upper die base, as well as the lower die and lower die base, are connected by the same detachable connection structure, facilitating assembly and disassembly. This allows for the use of upper and lower dies for riveting other products, and can also be replaced with dies for other operations such as stamping, embossing, and bending, greatly expanding the equipment's application range. The connection structure includes a wing plate 12 fixed to the side of the upper or lower die, and a slide groove 13 on the upper or lower die base. The slide groove has a T-shaped vertical cross-section. A slotted hole 1201 is provided on the wing plate, and a slider 14 is slidably connected within the slide groove. A positioning screw 15 is connected to the slider, passing through the corresponding slotted hole and threaded with a locking nut 16. The locking nut presses and fixes the upper or lower die onto the corresponding die base. The wing plate shown in the attached diagram is only located on one side of the upper or lower die; however, it can also be symmetrically located on both sides of the upper or lower die as needed, which will not be elaborated further here.

[0021] In this embodiment, the wing plate is fixedly connected to the upper or lower mold. In actual use, it can also be a separate component, i.e., the wing plate is used as a pressure plate. In specific use, the wing plate 12 abuts against the lower surface of the upper mold 2. After tightening the locking nut 16, the wing plate 12 and the upper mold base 10 can clamp and fix the upper mold 2. Similarly, the wing plate cooperates with the lower mold base to clamp and fix the lower mold 3.

[0022] The multi-specification riveting fixture of this utility model is used as follows: (1) Based on the specifications of the heat sink to be riveted (mainly the length and the joint position), determine the required number of punches 17 and their target positions in the mounting holes 201 of the upper die 2. Insert the selected punches 17 into the corresponding mounting holes 201 of the upper die 2, and screw on the locking part 4 to press and fix the punches 17 in the mounting holes 201 through its end.

[0023] (2) Place the radiator workpiece with the assembled connector 101 on the lower mold 3, ensuring that each connector 101 falls into the corresponding riveting hole 301.

[0024] (3) Start the hydraulic cylinder 9 and drive the lifting plate 6 to move downward along the guide column 8, which drives the upper die 2 with the punch 17 installed to press down synchronously. The punch 17 contacts and squeezes the riveting part of the radiator cover plate 1, causing it to undergo plastic deformation, so as to be firmly riveted together with the joint.

[0025] (4) After riveting is completed, the hydraulic cylinder 9 returns, driving the upper die 2 and punch 17 to rise and reset, and the operator can then take out the riveted radiator workpiece from the lower die 3.

[0026] (5) When it is necessary to produce a different specification of heat sink, repeat steps (1) to 3, and reconfigure the punch position and matching rivet hole without removing the entire upper die 2 or lower die 3 from the mold base.

[0027] (6) When it is necessary to rivet other products, the locking nuts 16 on both sides of the upper die 2 that abut against the wing plate 12 can be loosened, and the upper die 2 and lower die 3 can be removed and replaced with the upper die 2 and lower die 3 for riveting the corresponding products. In addition, the upper die 2 or lower die 3 can be replaced with other operations such as stamping, embossing, bending, etc., according to production needs. After installation, tighten the locking nuts 16 to clamp and fix.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all changes falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model.

Claims

1. A multi-specification riveting fixture, characterized in that: The system includes an upper die and a lower die, which are arranged vertically and cooperate with each other. The bottom of the upper die has multiple mounting holes spaced apart for mounting punches, and each mounting hole has a locking element on one side for fixing the punch. The top of the lower die has multiple riveting holes that match the positions of the mounting holes. The riveting fixture also includes a top plate, a lifting plate, and a bottom plate arranged parallel to each other from top to bottom. A guide post is provided between the top plate and the bottom plate, and the lifting plate is slidably connected to the guide post. A hydraulic cylinder is provided on the top plate and connected to the lifting plate. The lifting plate... The bottom of the base plate is provided with an upper mold base, which is connected to the upper mold. The top of the base plate is provided with a lower mold base, which is connected to the lower mold. The upper mold and the upper mold base, as well as the lower mold and the lower mold base, are connected by the same detachable connection structure. The connection structure includes a wing plate fixed to the side of the upper or lower mold, and a sliding groove opened on the upper or lower mold base. The wing plate has a strip hole, and a slider is slidably connected in the sliding groove. A positioning screw is connected to the slider, and the positioning screw passes through the corresponding strip hole and is threaded with a locking nut.

2. The multi-specification riveting fixture as described in claim 1, characterized in that: Each of the mounting holes has a threaded hole on one side, the locking member is threadedly connected to the threaded hole, and its end abuts against the punch.

3. The multi-specification riveting fixture as described in claim 1, characterized in that: The vertical cross-section of the chute is T-shaped.

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