Sheet metal stamping device for agricultural machinery production

Abstract

The utility model discloses a sheet metal stamping device for agricultural machinery production, which relates to the field of agricultural machinery production and comprises a base, the top of the base is connected with a stamping table, the top of the stamping table is connected with two fixing plates, the tops of the two fixing plates are jointly connected with a top plate, and the bottom of the top plate is connected with a hydraulic cylinder. The bottom of the hydraulic cylinder is connected with a mounting plate. The hydraulic cylinder is used for pushing the mounting plate, the mounting plate pushes the stamping head to descend and pulls the L-shaped extrusion rod, so that the L-shaped extrusion rod moves in the U-shaped pipe, the L-shaped extrusion rod extrudes hydraulic oil in the U-shaped pipe, the hydraulic oil pushes the pushing rod, the pushing rod pushes the connecting plate, the connecting plate pulls the stamping die, and the stamping die ascends; the stamping head is used for stamping the metal plate located on the stamping die, so that the stamping die ascends along with the stamping head when the stamping head descends, the stroke of the stamping head is shortened, and therefore the stamping efficiency of the metal plate for agricultural machine production is improved.

Description

Technical Field

[0001] The utility model relates to the field of agricultural machinery production, and particularly relates to a sheet metal stamping device for agricultural machinery production. Background Technique

[0002] At present, when stamping the sheet metal for agricultural machinery production, it is mostly to use a stamping head to extrude the sheet metal placed on the stamping die. And because space for placing and taking the sheet metal needs to be reserved, the distance between the stamping head and the stamping die is relatively long. Only by driving the stamping head to descend for stamping, the stroke of the stamping head is relatively long, which will affect the stamping efficiency of the sheet metal.

[0003] Therefore, it is very necessary to invent a sheet metal stamping device for agricultural machinery production to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a sheet metal stamping device for agricultural machinery production to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A sheet metal stamping device for agricultural machinery production, including a base, a stamping table is connected to the top of the base, two fixing plates are connected to the top of the stamping table, a top plate is jointly connected to the top of the two fixing plates, a hydraulic cylinder is connected to the bottom of the top plate, an installation plate is connected to the bottom of the hydraulic cylinder, a stamping head is connected to the bottom of the installation plate, a stamping die corresponding to the stamping head is arranged on the top of the base, two U-shaped tubes are connected to the top of the stamping table, an L-shaped extrusion rod and a push rod are arranged in the U-shaped tube, the other end of the L-shaped extrusion rod is connected to the side wall of the installation plate, connecting plates are connected to both the left and right sides of the stamping die, the bottom of the connecting plate is connected to the top end of the push rod, through holes corresponding to the L-shaped extrusion rod are formed on the surface of the connecting plate, and hydraulic oil is arranged in the U-shaped tube.

[0006] Preferably, a slider is connected to the side wall of the connecting plate, a chute corresponding to the slider is formed on the side wall of the fixing plate, a spring is connected to the bottom of the slider, and the other end of the spring is connected to the bottom of the chute.

[0007] Preferably, two air charging pipes are connected to the top of the stamping table, the bottoms of the two air charging pipes both pass through the stamping table and are connected to an air inlet pipe, a one-way valve is arranged on the outer side of the air inlet pipe, and a slow descent cavity corresponding to the air charging pipe is formed at the bottom of the stamping die.

[0008] Preferably, sealing gaskets are arranged on the outer sides of the air charging pipes, L-shaped extrusion rods and push rods, and the specific material of the sealing gaskets is rubber.

[0009] Preferably, a plurality of ejector rods are connected to the top of the stamping table, and ejector holes corresponding to the ejector rods are formed at the bottom of the stamping die.

[0010] The technical effects and advantages of the present utility model:

[0011] By using the hydraulic cylinder to push the mounting plate, the mounting plate pushes the stamping head downward and pulls the L-shaped extrusion rod, so that the L-shaped extrusion rod moves inside the U-shaped tube. The L-shaped extrusion rod extrudes the hydraulic oil inside the U-shaped tube, and the hydraulic oil pushes the push rod. The push rod pushes the connecting plate, and the connecting plate pulls the stamping die, so that the stamping die rises. Using the stamping head to stamp the sheet metal on the stamping die can make the stamping die rise when the stamping head descends, reducing the stroke of the stamping head, thereby improving the stamping efficiency of the sheet metal used in the production of agricultural machinery. Description of the Drawings

[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0013] Figure 2 For the present utility model Figure 1 is a front view structural schematic diagram;

[0014] Figure 3 For the present utility model Figure 1 is an enlarged structural schematic diagram of part A.

[0015] In the figure: 1, base; 2, stamping table; 3, fixing plate; 4, top plate; 5, hydraulic cylinder; 6, mounting plate; 7, stamping head; 8, stamping die; 9, U-shaped tube; 10, L-shaped extrusion rod; 11, push rod; 12, connecting plate; 13, slider; 14, spring; 15, charging pipe; 16, intake pipe; 17, one-way valve; 18, ejector rod. Detailed Embodiments

[0016] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0017] The present utility model provides as Figures 1-3A sheet metal stamping device for agricultural machinery production shown in the figure includes a base 1, a stamping table 2 is connected to the top of the base 1, two fixed plates 3 are connected to the top of the stamping table 2, the tops of the two fixed plates 3 are commonly connected to a top plate 4, the bottom of the top plate 4 is connected to a hydraulic cylinder 5, the bottom of the hydraulic cylinder 5 is connected to a mounting plate 6, the bottom of the mounting plate 6 is connected to a stamping head 7, a stamping die 8 corresponding to the stamping head 7 is arranged on the top of the base 1, two U-shaped tubes 9 are connected to the top of the stamping table 2, an L-shaped extrusion rod 10 and a pushing rod 11 are arranged in the U-shaped tube 9, the other end of the L-shaped extrusion rod 10 is connected to the side wall of the mounting plate 6, the left and right sides of the stamping die 8 are connected to connecting plates 12, the bottom of the connecting plate 12 is connected to the top of the pushing rod 11 The surface of the connecting plate 12 is provided with a through hole corresponding to the L-shaped extrusion rod 10, and the U-shaped tube 9 is provided with hydraulic oil. The mounting plate 6 is pushed by using the hydraulic cylinder 5, and the mounting plate 6 pushes the punching head 7 to descend and pulls the L-shaped extrusion rod 10, so that the L-shaped extrusion rod 10 moves in the U-shaped tube 9, and the L-shaped extrusion rod 10 squeezes the hydraulic oil in the U-shaped tube 9, and the hydraulic oil pushes the push rod 11, and the push rod 11 pushes the connecting plate 12, and the connecting plate 12 pulls the stamping die 8, so that the stamping die 8 rises, and the stamping head 7 is used to stamp the sheet metal on the stamping die 8, so that the stamping die 8 rises when the stamping head 7 descends, thereby reducing the stroke of the stamping head 7, thereby improving the stamping efficiency of the sheet metal used for the production of agricultural machinery.

[0018] The side wall of the connecting plate 12 is connected to a slider 13, and the side wall of the fixed plate 3 is provided with a slide groove corresponding to the slider 13. The bottom of the slider 13 is connected to a spring 14, and the other end of the spring 14 is connected to the bottom of the slide groove. When the stamping die 8 rises, the connecting plate 12 pulls the slider 13, so that the slider 13 slides in the slide groove and pulls the spring 14, so that the spring 14 is deformed. Conversely, the spring 14 can be used to pull the stamping die 8 down.

[0019] Two inflation tubes 15 are connected to the top of the stamping table 2. The bottoms of the two inflation tubes 15 pass through the stamping table 2 and are connected to an air inlet pipe 16. A one-way valve 17 is provided on the outside of the air inlet pipe 16. A slow-descent cavity corresponding to the inflation tube 15 is provided at the bottom of the stamping die 8. By delivering gas to the inflation tube 15, when the stamping die 8 rises, the gas in the inflation tube 15 diffuses into the slow-descent cavity. When the stamping die 8 descends, the stamping die 8 presses the gas back into the inflation tube 15, so that the stamping die 8 descends slowly.

[0020] The outsides of the inflation tube 15 , the L-shaped extrusion rod 10 and the push rod 11 are all provided with sealing pads, and the specific material of the sealing pads is rubber, which can conveniently increase the sealing performance of the inflation tube 15 , the L-shaped extrusion rod 10 and the push rod 11 .

[0021] A plurality of ejector rods 18 are connected to the top of the stamping table 2, and ejector holes corresponding to the ejector rods 18 are opened at the bottom of the stamping die 8. When the stamping die 8 descends, the ejector rods 18 extend from the ejector holes at the bottom of the stamping die 8 and squeeze the sheet metal in the stamping die 8, thereby ejecting the sheet metal from the stamping die 8.

[0022] Working principle of this utility model:

[0023] The hydraulic cylinder 5 is used to push the mounting plate 6, and the mounting plate 6 pushes the punch head 7 to descend and pulls the L-shaped extrusion rod 10, so that the L-shaped extrusion rod 10 moves in the U-shaped tube 9, and the L-shaped extrusion rod 10 squeezes the hydraulic oil in the U-shaped tube 9, and the hydraulic oil pushes the push rod 11, and the push rod 11 pushes the connecting plate 12, and the connecting plate 12 pulls the stamping die 8, so that the stamping die 8 rises, and the sheet metal on the stamping die 8 is stamped by the punch head 7. When the stamping die 8 rises, the connecting plate 12 pulls the slider 13, so that the slider 13 slides in the slide groove, and pulls the spring 14, so that the spring 14 is deformed. Conversely, the spring 14 can be used to pull the stamping die 8 down, and the gas is transported to the inflation tube 15. When the stamping die 8 rises, the gas in the inflation tube 15 diffuses into the slow-descent cavity. When the stamping die 8 descends, the stamping die 8 presses the gas back into the inflation tube 15, so that the stamping die 8 slowly descends.

[0024] 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 sheet metal stamping device for agricultural machinery production, comprising a base, the top of which is connected to a stamping table, characterized in that: Two fixed plates are connected to the top of the stamping table, and the tops of the two fixed plates are commonly connected to a top plate, the bottom of the top plate is connected to a hydraulic cylinder, the bottom of the hydraulic cylinder is connected to a mounting plate, the bottom of the mounting plate is connected to a stamping head, and a stamping die corresponding to the stamping head is arranged on the top of the base, and two U-shaped tubes are connected to the top of the stamping table, and an L-shaped extrusion rod and a push rod are arranged in the U-shaped tube, and the other end of the L-shaped extrusion rod is connected to the side wall of the mounting plate, and the left and right sides of the stamping die are connected to connecting plates, the bottom of the connecting plate is connected to the top of the push rod, and a through hole corresponding to the L-shaped extrusion rod is opened on the surface of the connecting plate, and hydraulic oil is arranged in the U-shaped tube.

2. A sheet metal stamping device for agricultural machinery production according to claim 1, characterized in that: The side wall of the connecting plate is connected with a sliding block, the side wall of the fixed plate is provided with a sliding groove corresponding to the sliding block, the bottom of the sliding block is connected with a spring, and the other end of the spring is connected with the bottom of the sliding groove.

3. The sheet metal stamping device for agricultural machinery production according to claim 1, characterized in that: The top of the stamping table is connected to two inflation tubes, the bottoms of the two inflation tubes pass through the stamping table and are connected to an air intake pipe, a one-way valve is arranged on the outside of the air intake pipe, and a slow-descent cavity corresponding to the inflation tube is opened at the bottom of the stamping die.

4. A sheet metal stamping device for agricultural machinery production according to claim 3, characterized in that: The outer sides of the inflation tube, the L-shaped extrusion rod and the push rod are all provided with sealing pads, and the specific material of the sealing pads is rubber.

5. The sheet metal stamping device for agricultural machinery production according to claim 1, characterized in that: A plurality of ejector rods are connected to the top of the punching table, and ejector holes corresponding to the ejector rods are provided at the bottom of the punching die.

Images