Riveting die for porous sheet metal parts

Abstract

The utility model discloses a riveting die for porous sheet metal parts, which relates to the field of riveting dies, comprises an upper die plate and a lower die plate, and is characterized in that the bottom end of the upper die plate is in sliding connection with the lower die plate; the eight fine adjustment assemblies are symmetrically arranged on the periphery of the upper mold plate and play a role in adjusting the limiting protrusions of the upper mold plate; the adjusting structure is fixed to one side of the forming plate of the lower die plate and plays a role in adjusting the position of the forming plate in the lower die plate, when the riveting die is used, the deviation angle of a part at the joint of the upper die plate and the lower die plate can be adjusted through the fine adjustment assembly, it is guaranteed that the position of the part in the die is accurate, and the riveting efficiency is improved. The upper die plate and the lower die plate can be in butt joint stably and accurately in the die assembly process, the positioning precision is improved, the position of the forming plate can be adjusted through the adjusting structure, and it is guaranteed that deviation does not occur in the riveting process.

Description

Technical Field

[0001] The utility model relates to the field of riveting and pressing dies, and particularly to a riveting and pressing die for porous sheet metal parts. Background Art

[0002] A riveting and pressing die is a special tool used in the riveting process. Its design and manufacture are both to meet the requirements of specific riveting tasks. A riveting and pressing die usually consists of an upper part and a lower part, forming a cavity for placing workpieces and rivets. During the riveting process, the die deforms the head or tail of the rivet by applying pressure, thereby tightly connecting the workpieces together.

[0003] The positioning accuracy of the existing riveting and pressing dies may not be high enough, resulting in the easy deviation of the position of parts during the riveting process, thus affecting the accuracy and stability of riveting. Moreover, the position of the forming plate of the die cannot be changed in real time according to the design requirements, and there is still room for improvement in the structure. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a riveting and pressing die for porous sheet metal parts to solve the problems put forward in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A riveting and pressing die for porous sheet metal parts, including an upper die plate and a lower die plate, the bottom end of the upper die plate is slidably connected to the lower die plate;

[0006] A fine-tuning component, there are eight groups of fine-tuning components symmetrically arranged around the upper die plate, which play a role in adjusting the limit protrusions of the upper die plate;

[0007] An adjustment structure, which is fixed on one side of the forming plate of the lower die plate and plays a role in adjusting the position of the forming plate in the lower die plate.

[0008] Preferably, the upper die plate includes an upper die plate body, limit protrusions and fine-tuning components. Four groups of grooves are opened at the bottom end of the upper die plate body, limit protrusions are installed in each of the four groups of grooves, eight groups of threaded grooves are opened around the upper die plate body, every two groups of threaded grooves communicate with the corresponding grooves, and each group of threaded grooves is threadedly connected with a fine-tuning component.

[0009] Preferably, the fine-tuning component includes a bolt and a metal gasket. There are two groups of metal gaskets located outside the corresponding limit protrusions, and the bolt is threadedly connected to the threaded groove of the upper die plate.

[0010] Preferably, the lower mold plate includes a lower mold plate body, a limiting groove, a cross hole, an adjustment structure and a molding plate. The top of the lower mold plate body is fixedly connected to the limiting groove, and there are four groups of limiting grooves which correspond one to one with the limiting protrusions of the upper mold plate. The top of the lower mold plate body is provided with four groups of cross holes, and the top of the lower mold plate body is provided with a slide groove, and the surface of the slide groove is slidably connected to the molding plate. One side of the molding plate is fixedly connected to the adjustment structure, and the adjustment structure passes through the lower mold plate body and is fixedly connected to the lower mold plate body.

[0011] Preferably, the adjustment structure includes a sliding plate, a screw, a rotating shaft, a first bevel gear, a second bevel gear, a crank, a transmission shaft and a fixed block, one side of the sliding plate is fixedly connected to one side of the forming plate, the other side of the sliding plate is rotatably connected to one end of the screw, the other end of the screw is fixedly connected to one end of the rotating shaft, the other end of the rotating shaft is fixedly connected to one side of the first bevel gear, the other side of the first bevel gear is fixedly connected to the crank, one side of the lower mold plate body is fixedly connected to the fixed block, the fixed block is rotatably connected with a transmission shaft, both ends of the transmission shaft are respectively fixedly connected to the second bevel gears, and the second bevel gear and the first bevel gear are meshed with each other.

[0012] Preferably, the sliding plate, the screw rod, the rotating shaft and the first bevel gear of the adjustment structure are provided in two groups and are arranged outside the two groups of second bevel gears.

[0013] Preferably, the screw of the adjustment structure is threadedly connected to the lower mold plate body.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model proposes a riveting die for porous sheet metal parts, comprising an upper die plate and a lower die plate, wherein the bottom end of the upper die plate is slidably connected to the lower die plate; a fine-tuning component, wherein the fine-tuning component is provided with eight groups and symmetrically arranged around the upper die plate, and plays an adjustment role on the limiting protrusions of the upper die plate; an adjustment structure, wherein the adjustment structure is fixed on one side of the forming plate of the lower die plate, and plays a role in adjusting the position of the forming plate in the lower die plate. When in use, the riveting die can use the fine-tuning component to adjust the offset angle of the parts at the connection between the upper die plate and the lower die plate, to ensure that the position of the parts in the die is accurate, so that the upper die plate and the lower die plate can be smoothly and accurately docked during the mold closing process, thereby improving the positioning accuracy, and the adjustment structure can be used to adjust the position of the forming plate to ensure that no offset occurs during the riveting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of a riveting die for a porous sheet metal part of the utility model;

[0018] Figure 2This is the disassembly diagram of the riveting die for the porous sheet metal part of the present utility model;

[0019] Figure 3 This is the schematic diagram of the fine-tuning component of the riveting die for the porous sheet metal part of the present utility model;

[0020] Figure 4 This is the detailed view of the adjustment structure of the riveting die for the porous sheet metal part of the present utility model.

[0021] In the figure: 1. Upper die plate; 2. Lower die plate; 3. Main body of the upper die plate; 4. Limit projection; 5. Fine-tuning component; 6. Main body of the lower die plate; 7. Limit groove; 8. Cross hole; 9. Adjustment structure; 10. Forming plate; 11. Bolt; 12. Metal gasket; 13. Sliding plate; 14. Screw; 15. Rotating shaft; 16. First helical gear; 17. Second helical gear; 18. Crank; 19. Transmission shaft; 20. Fixed block. Detailed implementation manners

[0022] In order to more clearly illustrate the overall concept of the present utility model, the following will be further described in detail by way of examples in combination with the accompanying drawings of the specification.

[0023] It should be noted that many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present utility model is not limited by the specific embodiments disclosed below.

[0024] In addition, in the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

[0025] In the present utility model, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be directly connected, or indirectly connected through an intermediate medium, and can be the internal communication of two elements or the interaction relationship between two elements. However, indicating a direct connection means that there is no connection relationship constructed through an excessive structure between the two connected main bodies, and only a connection structure is used to connect them to form a whole. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0027] Embodiment 1

[0028] Please refer to Figures 1 to 4 , the present utility model provides a technical solution: a riveting and pressing die for a porous sheet metal part, including an upper die plate 1 and a lower die plate 2, the bottom end of the upper die plate 1 is slidably connected to the lower die plate 2;

[0029] The fine-tuning assembly 5, there are eight groups of the fine-tuning assembly 5 and they are symmetrically arranged around the upper die plate 1, and play an adjusting role on the limiting protrusion 4 of the upper die plate 1;

[0030] The adjusting structure 9, the adjusting structure 9 is fixed on one side of the forming plate 10 of the lower die plate 2, and plays a role in adjusting the position of the forming plate 10 in the lower die plate 2;

[0031] When in use, this riveting and pressing die can use the fine-tuning assembly 5 to adjust the offset angle of the part at the connection between the upper die plate 1 and the lower die plate 2, ensure the accurate position of the part in the die, enable the upper die plate 1 and the lower die plate 2 to be smoothly and accurately butted during the die closing process, improve the positioning accuracy, and can use the adjusting structure 9 to adjust the position of the forming plate 10 to ensure no offset during the riveting and pressing process.

[0032] Embodiment 2

[0033] On the basis of Embodiment 1, the upper die plate 1 includes an upper die plate main body 3, a limiting protrusion 4 and a fine-tuning assembly 5. Four groups of grooves are opened at the bottom end of the upper die plate main body 3, and a limiting protrusion 4 is installed in each of the four groups of grooves. Eight groups of threaded grooves are opened around the upper die plate main body 3, and every two groups of threaded grooves communicate with the corresponding grooves, and a fine-tuning assembly 5 is threadedly connected in each group of threaded grooves;

[0034] The fine-tuning assembly 5 includes a bolt 11 and a metal gasket 12. There are two groups of the metal gaskets 12, located outside the corresponding limiting protrusion 4, and the bolt 11 is threadedly connected in the threaded groove of the upper die plate 1;

[0035] The lower die plate 2 includes a lower die plate main body 6, a limit groove 7, a cross hole 8, an adjustment structure 9 and a forming plate 10. A limit groove 7 is fixedly connected to the top end of the lower die plate main body 6. There are four groups of limit grooves 7, which correspond to the limit protrusions 4 of the upper die plate 1 one by one. Four groups of cross holes 8 are formed in the top end of the lower die plate main body 6. A chute is formed in the top end of the lower die plate main body 6, and a forming plate 10 is slidably connected to the surface of the chute. One side of the forming plate 10 is fixedly connected to the adjustment structure 9, and the adjustment structure 9 passes through the lower die plate main body 6 and is fixedly connected to the lower die plate main body 6;

[0036] When in use, the hydraulic rod externally connected to the top of the upper die plate 1 drives the upper die plate 1 to displace downward and contact the lower die plate 2 to achieve riveting. At this time, the limit protrusion 4 slides in the limit groove 7 to realize the contact between the upper die plate 1 and the lower die plate 2. The limit protrusion 4 and the limit groove 7 must fit tightly to avoid offset during riveting. The position of the limit protrusion 4 can be adjusted by using the fine adjustment component 5. During adjustment, the bolt 11 of the fine adjustment component 5 can be screwed inward to push the metal gasket 12 to squeeze the limit protrusion 4 to achieve position adjustment. The four metal gaskets 12 of the two fine adjustment components 5 are respectively placed around the limit protrusion 4, playing a role of buffering and supporting, and can also drive the limit protrusion 4 to perform lateral displacement in the horizontal direction to ensure that when the upper die plate 1 is inserted into the lower die plate 2, the limit protrusion 4 and the limit groove 7 are concentric, ensuring smooth and accurate docking during the mold closing process. A light generator is fixed at the bottom of the upper die plate 1 corresponding to the cross hole 8 of the lower die plate 2. If the light beam emitted by the light generator is not concentrated in the cross hole 8, it indicates that the positions of the upper die plate 1 and the lower die plate 2 are offset and need to be adjusted before riveting.

[0037] Embodiment III

[0038] On the basis of Embodiment I, the adjustment structure 9 includes a sliding plate 13, a screw rod 14, a rotating shaft 15, a first bevel gear 16, a second bevel gear 17, a crank 18, a transmission shaft 19 and a fixing block 20. One side of the sliding plate 13 is fixedly connected to one side of the forming plate 10. The other side of the sliding plate 13 is rotatably connected to one end of the screw rod 14. The other end of the screw rod 14 is fixedly connected to one end of the rotating shaft 15. The other end of the rotating shaft 15 is fixedly connected to one side of the first bevel gear 16. The other side of the first bevel gear 16 is fixedly connected to the crank 18. One side of the lower die plate main body 6 is fixedly connected to the fixing block 20. A transmission shaft 19 is rotatably connected inside the fixing block 20. Second bevel gears 17 are fixedly connected to both ends of the transmission shaft 19, and the second bevel gears 17 mesh with the first bevel gear 16;

[0039] There are two groups of the sliding plate 13, the screw rod 14, the rotating shaft 15 and the first bevel gear 16 of the adjustment structure 9, and they are respectively arranged outside the two groups of second bevel gears 17;

[0040] The screw rod 14 of the adjustment structure 9 is threadedly connected to the lower die plate body 6;

[0041] When adjusting the position of the forming plate 10, the crank 18 can be rotated. The crank 18 drives the rotating shaft 15 and the screw rod 14 to rotate. The screw rod 14 pushes the sliding plate 13 and the forming plate 10 to slide in the chute opened at the top of the lower die plate body 6. Under the meshing action of the first bevel gear 16 and the second bevel gear 17, rotating the crank 18 can drive the transmission shaft 19 to rotate. The transmission shaft 19 drives another group of second bevel gears 17 and first bevel gears 16 to rotate, pushing another group of sliding plates 13 to slide. Using the principle of bevel gear meshing, it can ensure that the two groups of sliding plates 13 synchronously push the forming plate 10 to slide in the chute, so as to facilitate adjusting the position in time before riveting. And due to the adjustment method of gear meshing, the adjusted distance can also be finely controlled to achieve fine adjustment of the positioning accuracy of the parts.

[0042] Those of ordinary skill in the art should understand that the discussion of any embodiment above is only exemplary and is not intended to imply that the scope of the present invention includes the claims being limited to these examples; under the idea of the present invention, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations in different aspects of the present invention as described above, which are not provided in detail for the sake of brevity.

[0043] The present invention aims to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A riveting die for porous sheet metal parts, comprising an upper die plate (1) and a lower die plate (2), characterized in that: The bottom end of the upper mold plate (1) is slidably connected to the lower mold plate (2); A fine adjustment component (5), wherein the fine adjustment component (5) is provided with eight groups and is symmetrically arranged around the upper mold plate (1), and plays an adjustment role on the limiting protrusion (4) of the upper mold plate (1); The adjusting structure (9) is fixed on one side of the forming plate (10) of the lower mold plate (2) and plays a role in adjusting the position of the forming plate (10) in the lower mold plate (2).

2. A riveting die for porous sheet metal parts according to claim 1, characterized in that: The upper mold plate (1) comprises an upper mold plate body (3), a limiting protrusion (4) and a fine-tuning component (5); four groups of grooves are provided at the bottom end of the upper mold plate body (3); the limiting protrusions (4) are installed in the four groups of grooves; eight groups of thread grooves are provided around the upper mold plate body (3); every two groups of thread grooves are interconnected with corresponding grooves; and a fine-tuning component (5) is threadedly connected in each group of thread grooves.

3. A riveting die for porous sheet metal parts according to claim 2, characterized in that: The fine-tuning assembly (5) comprises bolts (11) and metal washers (12). The metal washers (12) are provided in two groups and are located outside the corresponding limiting protrusions (4). The bolts (11) are threadedly connected in the thread groove of the upper mold plate (1).

4. The riveting die for porous sheet metal parts according to claim 1, characterized in that: The lower mold plate (2) comprises a lower mold plate body (6), a limiting groove (7), a cross hole (8), an adjustment structure (9) and a molding plate (10); the top of the lower mold plate body (6) is fixedly connected to the limiting groove (7); the limiting groove (7) is provided with four groups and corresponds one to one with the limiting protrusions (4) of the upper mold plate (1); the top of the lower mold plate body (6) is provided with four groups of cross holes (8); the top of the lower mold plate body (6) is provided with a slide groove; the surface of the slide groove is slidably connected to the molding plate (10); one side of the molding plate (10) is fixedly connected to the adjustment structure (9); the adjustment structure (9) passes through the lower mold plate body (6) and is fixedly connected to the lower mold plate body (6).

5. The riveting die for porous sheet metal parts according to claim 4, characterized in that: The adjustment structure (9) comprises a sliding plate (13), a screw rod (14), a rotating shaft (15), a first bevel gear (16), a second bevel gear (17), a crank (18), a transmission shaft (19) and a fixed block (20); one side of the sliding plate (13) is fixedly connected to one side of the forming plate (10); the other side of the sliding plate (13) is rotationally connected to one end of the screw rod (14); the other end of the screw rod (14) is fixedly connected to one end of the rotating shaft (15); the other end of the rotating shaft (15) is fixedly connected to one side of the first bevel gear (16); the other side of the first bevel gear (16) is fixedly connected to the crank (18); one side of the lower mold plate body (6) is fixedly connected to the fixed block (20); the fixed block (20) is rotationally connected with the transmission shaft (19); the two ends of the transmission shaft (19) are respectively fixedly connected with the second bevel gear (17); the second bevel gear (17) and the first bevel gear (16) are meshed with each other.

6. The riveting die for porous sheet metal parts according to claim 5, characterized in that: The sliding plate (13), the screw rod (14), the rotating shaft (15) and the first bevel gear (16) of the adjustment structure (9) are provided in two groups and are arranged outside the two groups of second bevel gears (17).

7. The riveting die for porous sheet metal parts according to claim 5, characterized in that: The screw rod (14) of the adjustment structure (9) is threadedly connected to the lower mold plate body (6).

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