Precious metal pressing device

Abstract

The utility model discloses a precious metal pressing device which comprises a shell, the left side of the top of the shell is fixedly connected with a fixed working table, the right side of the fixed working table is provided with a movable working table, the top of the movable working table is provided with a pressing assembly, and the fixed working table and the movable working table are the same in structure. A driving assembly is arranged in the shell and used for driving the movable workbench to move. The two ends of the precious metal sheet are installed on the top of the fixed workbench and the top of the movable workbench respectively, the rotating rod is put down, the pressing plate is attached to the top of the precious metal sheet and fixed through the vacuum suction groove, and the rotating rod and the pressing plate are fixed through elastic support provided by the torsion spring; therefore, the bottom of the precious metal sheet is suspended, and the precious metal sheet can be conveniently punched and punctured.

Description

Technical Field

[0001] The utility model relates to the technical field of pressing devices, in particular to a precious metal pressing device. Background Technique

[0002] Precious metals generally have strong chemical stability and are often used as materials to improve the ductility of materials in alloys. Most of the existing precious metals have strong ductility and can be made into thin metal sheets. When processing metal sheets, pressing equipment is often required for fixation to prevent the processing accuracy from decreasing due to shaking during processing.

[0003] According to the patent publication number CN109719150A: The present invention discloses an extrusion device and its processing technology for precious metal production, including a feeding roller. It is characterized in that: a precious metal sheet is arranged on the outer side of the feeding roller, and an infrared heating plate, a pressing roller, a cooling roller, a first punching machine, a second punching machine, and a receiving roller are arranged in sequence from left to right on one side of the feeding roller. A positioning roller is arranged below the pressing roller, a hydraulic cylinder is installed at the upper end of the first limiting plate, and a first return spring is connected to the bottom end of the first limiting plate. The present invention uses a mold to produce precious metal products by stamping precious metal raw materials, solves the problems of complex traditional die-casting processes and high defective product rates, improves product quality and production efficiency, and drives the first limiting plate to move downward by a hydraulic cylinder to squeeze the first return spring, so that the pressing roller contacts the precious metal sheet and squeezes the precious metal sheet under the action of the positioning roller, and precious metal strips of different thicknesses can be extruded and processed.

[0004] However, the pressing roller and the positioning roller in the above patent are in a fitting state with the workbench. Therefore, there is no suspended position at the entire bottom of the precious metal thin sheet, so it is easy to damage the bottom workbench during processing such as punching. Summary of the Utility Model

[0005] The purpose of this part is to outline some aspects of the embodiments of the present utility model and briefly introduce some preferred embodiments. Simplifications or omissions may be made in this part, as well as in the abstract and the title of the utility model of this application, to avoid obscuring the purpose of this part, the abstract, and the title of the utility model. However, such simplifications or omissions shall not be used to limit the scope of the present utility model.

[0006] In view of the problems existing in the above-mentioned existing precious metal pressing device, the present utility model is proposed.

[0007] Therefore, the purpose of the present utility model is to provide a precious metal pressing device, which solves the problems put forward in the above background technique.

[0008] To solve the above technical problems, the present utility model provides the following technical solution: A precious metal pressing device, comprising:

[0009] A housing, a fixed workbench is fixedly connected to the left side of the top of the housing. An active workbench is arranged on the right side of the fixed workbench. A pressing component is arranged on the top of the active workbench. The fixed workbench and the active workbench have the same structure. A driving component is arranged inside the housing, and the driving component is used to drive the active workbench to move.

[0010] As a preferred solution of the precious metal pressing device described in the present invention, wherein: the driving component includes a turntable, a driving gear is fixedly connected to the axis of the turntable, a first lead screw is fixedly connected to the axis of the driving gear, the first lead screw is rotatably connected to the inner wall of the housing, a slider is arranged on the top of the first lead screw, a threaded through hole threadedly connected to the first lead screw is opened inside the slider, and a mounting table is fixedly connected to the top of the slider. The mounting table is arranged on the top of the housing and is connected to the processing equipment through bolts.

[0011] As a preferred solution of the precious metal pressing device described in the present invention, wherein: a second lead screw is rotatably connected to the inner wall of the housing, a nut is threadedly connected to the outer wall of the second lead screw, and the top of the nut is fixedly connected to the active workbench.

[0012] As a preferred solution of the precious metal pressing device described in the present invention, wherein: a transmission gear is meshed and connected to the side of the driving gear, a driven gear is meshed and connected to the other side of the transmission gear, the driven gear is fixedly connected to the second lead screw, the threaded length of the outer wall of the first lead screw is less than the threaded length of the outer wall of the second lead screw, and the lead of the first lead screw is equal to the lead of the second lead screw and the lead angle is half of that of the second lead screw.

[0013] As a preferred solution of the precious metal pressing device described in the present invention, wherein: the pressing component includes a rotating rod, the bottom end of the rotating rod is rotatably connected to the active workbench, and the other end of the rotating rod is rotatably connected to a pressing plate.

[0014] As a preferred solution of the precious metal pressing device described in the present invention, wherein: a rubber pad is fixedly connected to the bottom of the pressing plate, and a plurality of vacuum suction grooves are opened on the outer wall of the rubber pad.

[0015] As a preferred solution of the precious metal pressing device described in the present invention, wherein: a rotating shaft is fixedly connected to the inner wall of the active workbench, the rotating axis of the rotating rod is rotatably connected to the rotating shaft, a torsion spring is installed on the outer wall of the rotating shaft, and the other end of the torsion spring is fixedly connected to the rotating rod.

[0016] The beneficial effects of the present invention:

[0017] In use, the turntable drives the driving gear to rotate, and the driving gear drives the driven gear to rotate, so that the first lead screw and the second lead screw rotate synchronously, thereby driving the movable workbench to move. After adjusting the distance between the fixed workbench and the movable workbench to be equivalent to that of the precious metal sheet, both ends of the precious metal sheet are respectively installed on the tops of the fixed workbench and the movable workbench. Then, the rotating rod is lowered so that the pressing plate is attached to the top of the precious metal sheet and fixed through the vacuum suction groove. The rotating rod and the pressing plate are fixed by the elastic support provided by the torsion spring, so that the bottom of the precious metal sheet is suspended, facilitating piercing operations such as punching the precious metal sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. Among them:

[0019] Figure 1 is a front overall structural schematic diagram of a precious metal pressing device proposed by the present invention;

[0020] Figure 2 is Figure 1 a structural schematic diagram of the drive assembly;

[0021] Figure 3 is Figure 1 a structural schematic diagram of the movable workbench;

[0022] Figure 4 is Figure 3 a structural schematic diagram of the rotating rod.

[0023] In the figure: 1, housing; 2, drive assembly; 21, turntable; 22, driving gear; 221, first lead screw; 222, slider; 23, transmission gear; 24, driven gear; 241, second lead screw; 242, nut; 3, movable workbench; 31, pressing assembly; 311, rotating rod; 312, handle; 32, pressing plate; 321, rubber pad; 322, vacuum suction groove; 33, rotating shaft; 34, torsion spring; 4, fixed workbench; 5, mounting table. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] In order to make the above objects, features and advantages of the present invention more obvious and understandable, the following will make a detailed description of the specific embodiments of the present invention in conjunction with the drawings of the specification.

[0025] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. However, the present utility model may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0026] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation manner of the present utility model. The phrase "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it an independent or selectively exclusive embodiment with other embodiments.

[0027] Furthermore, the present utility model is described in detail in conjunction with schematic diagrams. When detailing the embodiments of the present utility model, for the convenience of explanation, the cross-sectional views showing the device structure will be enlarged locally not in accordance with the general ratio, and the schematic diagrams are only examples and should not limit the scope of protection of the present utility model herein. In addition, in actual production, three-dimensional spatial dimensions including length, width, and depth should be included.

[0028] Referring to Figures 1-4 , the present utility model provides a precious metal pressing device, including:

[0029] A housing 1, a fixed workbench 4 is fixedly connected to the left side of the top of the housing 1. A movable workbench 3 is arranged on the right side of the fixed workbench 4. A pressing assembly 31 is arranged on the top of the movable workbench 3. The fixed workbench 4 and the movable workbench 3 have the same structure. A driving assembly 2 is arranged inside the housing 1, and the driving assembly 2 is used to drive the movable workbench 3 to move.

[0030] Among them, the driving assembly 2 includes a turntable 21. A driving gear 22 is fixedly connected to the axis of the turntable 21. A first lead screw 221 is fixedly connected to the axis of the driving gear 22. The first lead screw 221 is rotatably connected to the inner wall of the housing 1. A slider 222 is arranged at the top of the first lead screw 221. A threaded through hole threadedly connected to the first lead screw 221 is opened inside the slider 222. A mounting table 5 is fixedly connected to the top of the slider 222. The mounting table 5 is arranged on the top of the housing 1 and is connected to the processing equipment through bolts. The first lead screw 221 drives the slider 222 to move through the threaded through hole, thereby driving the mounting table 5 and the processing equipment to move.

[0031] Further, a second lead screw 241 is rotatably connected to the inner wall of the housing 1. A nut 242 is threadedly connected to the outer wall of the second lead screw 241. The top of the nut 242 is fixedly connected to the movable workbench 3. The second lead screw 241 drives the nut 242 to move, thereby driving the movable workbench 3 to move.

[0032] Further, a transmission gear 23 is meshed and connected to the side of the driving gear 22. Another side of the transmission gear 23 is meshed and connected to a driven gear 24. The driven gear 24 is fixedly connected to the second lead screw 241. The threaded length of the outer wall of the first lead screw 221 is less than the threaded length of the outer wall of the second lead screw 241. The lead of the first lead screw 221 is equal to the lead of the second lead screw 241 and the lead angle is half of that of the second lead screw 241. The driving gear 22 drives the driven gear 24 to rotate synchronously through the transmission gear 23. Due to the difference in the lead angles of the first lead screw 221 and the second lead screw 241, the nut 242 and the slider 222 move synchronously and the slider 221 is always located in the middle position of the nut 242, so as to ensure that the processing equipment can process the middle position of the precious metal sheet.

[0033] Further, the pressing assembly 31 includes a rotating rod 311. The bottom end of the rotating rod 311 is rotatably connected to the movable workbench 3. The other end of the rotating rod 311 is rotatably connected to a pressing plate 32. A rubber pad 321 is fixedly connected to the bottom of the pressing plate 32. A plurality of vacuum suction grooves 322 are formed on the outer wall of the rubber pad 321, so as to adsorb the precious metal sheet through the vacuum suction grooves 322 and prevent the precious metal sheet from shaking.

[0034] Furthermore, a rotating shaft 33 is fixedly connected to the inner wall of the movable workbench 3. The rotation axis of the rotating rod 311 is rotatably connected to the rotating shaft 33. A torsion spring 34 is installed on the outer wall of the rotating shaft 33. The other end of the torsion spring 34 is fixedly connected to the rotating rod 311, so as to fix the rotating rod 311 through the elastic force of the torsion spring 34 and prevent the rotating rod 311 from rebounding.

[0035] During the use process, the driving gear 22 is driven to rotate by the turntable 21, and the driven gear 24 is driven to rotate by the transmission gear 23, so that the first lead screw 221 and the second lead screw 222 rotate synchronously, thereby driving the movable workbench 3 to move. After adjusting the distance between the fixed workbench 4 and the movable workbench 3 to be equivalent to the precious metal sheet, both ends of the precious metal sheet are respectively installed on the tops of the fixed workbench 4 and the movable workbench 3. The rotating rod 311 is lowered so that the pressing plate 32 is attached to the top of the precious metal sheet and fixed through the vacuum suction grooves 322. The rotating rod 311 and the pressing plate 32 are fixed through the elastic support provided by the torsion spring 34, so that the bottom of the precious metal sheet is suspended, facilitating piercing operations such as punching holes in the precious metal sheet.

[0036] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A precious metal pressing device, characterized in that: Including: A housing (1), on the left side of the top of the housing (1) is fixedly connected with a fixed workbench (4), on the right side of the fixed workbench (4) is arranged a movable workbench (3), on the top of the movable workbench (3) is arranged a pressing assembly (31), the fixed workbench (4) and the movable workbench (3) have the same structure, and inside the housing (1) is arranged a driving assembly (2), and the driving assembly (2) is used to drive the movable workbench (3) to move.

2. The precious metal pressing device according to claim 1, characterized in that: The driving assembly (2) includes a turntable (21), at the center of the turntable (21) is fixedly connected with a driving gear (22), at the center of the driving gear (22) is fixedly connected with a first lead screw (221), the first lead screw (221) is rotatably connected to the inner wall of the housing (1), at the top of the first lead screw (221) is arranged a slider (222), inside the slider (222) is opened a threaded through hole threadedly connected with the first lead screw (221), and at the top of the slider (222) is fixedly connected with a mounting table (5), and the mounting table (5) is arranged on the top of the housing (1) and is connected to the processing equipment by bolts.

3. The noble metal pressing device according to claim 2, wherein: The inner wall of the housing (1) is rotatably connected with a second lead screw (241), on the outer wall of the second lead screw (241) is threadedly connected with a nut (242), and the top of the nut (242) is fixedly connected with the movable workbench (3).

4. A precious metal pressing device according to claim 3, wherein: The side of the driving gear (22) is meshed with a transmission gear (23), the other side of the transmission gear (23) is meshed with a driven gear (24), the driven gear (24) is fixedly connected with the second lead screw (241), the threaded length on the outer wall of the first lead screw (221) is less than the threaded length on the outer wall of the second lead screw (241), the lead of the first lead screw (221) is equal to the lead of the second lead screw (241) and the lead angle is one half of that of the second lead screw (241).

5. A precious metal pressing device according to claim 4, characterized in that: The pressing assembly (31) includes a rotating rod (311), the bottom end of the rotating rod (311) is rotatably connected with the movable workbench (3), and the other end of the rotating rod (311) is rotatably connected with a pressing plate (32).

6. A precious metal pressing device according to claim 5, characterized in that: At the bottom of the pressing plate (32) is fixedly connected with a rubber pad (321), and on the outer wall of the rubber pad (321) are opened a plurality of vacuum suction grooves (322).

7. A precious metal pressing device according to claim 6, characterized in that: Inside the movable workbench (3) is fixedly connected with a rotating shaft (33), the rotating center of the rotating rod (311) is rotatably connected with the rotating shaft (33), and on the outer wall of the rotating shaft (33) is installed a torsion spring (34), and the other end of the torsion spring (34) is fixedly connected with the rotating rod (311).

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