Sheet metal part stamping die

Abstract

The utility model is suitable for the technical field of dies, and provides a sheet metal part stamping die which comprises a containing box, the top of the containing box is fixedly connected with a working table through a plurality of supporting columns, a lower die plate is arranged above the working table, the bottom end of the lower die plate is vertically and fixedly connected with a vertical rod, and the vertical rod is fixedly connected with the supporting columns. The bottom end of the vertical rod extends into an inner cavity of the containing box in a drawing mode and is fixedly connected with a lifting plate, and a plurality of springs are fixedly connected between the lower surface of the lifting plate and the bottom of the inner wall of the containing box. According to the stamping die for the sheet metal part, after the electric telescopic rod extends, the atomization spraying disc can be driven to move, after the atomization spraying disc moves to the position above the sheet metal part placed on the upper surface of the lower die plate, stretching oil can be injected into the atomization spraying disc through operation of the oil injection mechanism, and then the atomized stretching oil can be sprayed to the surface of the sheet metal part; the oil spraying operation is simple and rapid, and the spraying uniformity on the surface of the sheet metal part is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds, and particularly relates to a stamping die for sheet metal parts. Background Art

[0002] In the prior art, before sheet metal processing of workpieces, it is necessary to spray stretching oil on the surface of the sheet metal parts. The stretching oil is a mineral oil prepared from a variety of special additives such as extreme pressure additives, lubricating, cooling and rust prevention additives, etc. It has excellent anti-wear and extreme pressure properties, will not cause the workpieces to be scratched or pulled, improves the surface finish of the workpieces, and effectively extends the service life of the stamping die.

[0003] However, most of the existing stamping dies for sheet metal parts do not have an automatic oil spraying mechanism, and manual oil spraying is used. The oil spraying process is prone to unevenness, and it is impossible to better control the oil spraying range, which is likely to cause waste of stretching oil and increase the cost of stamping processing of sheet metal parts, and is not conducive to the use of stamping processing of sheet metal parts. Summary of the Utility Model

[0004] The utility model provides a stamping die for sheet metal parts, aiming to solve the problem that most of the existing stamping dies for sheet metal parts do not have an automatic oil spraying mechanism, and manual oil spraying is used, and the oil spraying process is prone to unevenness, which is not conducive to the use of stamping processing of sheet metal parts.

[0005] The utility model is realized as follows: A stamping die for sheet metal parts includes a receiving box. The top of the receiving box is fixedly connected with a workbench through a plurality of support columns. Above the workbench is provided with a lower template. The bottom end of the lower template is vertically fixedly connected with a vertical rod. The bottom end of the vertical rod is drawn and extended into the inner cavity of the receiving box and is fixedly connected with a lifting plate. Between the lower surface of the lifting plate and the bottom of the inner wall of the receiving box, a plurality of springs are fixedly connected.

[0006] At the rear side of the top of the workbench, a fixed plate is fixedly connected. An electric telescopic rod is fixedly connected to the fixed plate. The front end of the electric telescopic rod is fixedly connected with an atomizing spray disc. At the bottom of the receiving box, an oil injection mechanism for injecting stretching oil into the inner cavity of the atomizing spray disc is fixedly connected. Above the workbench, an upper die mechanism is provided.

[0007] Preferably, the upper die mechanism includes a plurality of support rods, a support plate, a vertical rod and an upper template. A plurality of the support rods are fixedly connected to the top of the workbench. The support plate is fixedly connected to the top ends of the support rods. The vertical rod is vertically arranged on the support plate. The upper template is horizontally fixedly connected to the bottom end of the support plate.

[0008] Preferably, the oil injection mechanism includes a reserve tank, a partition board, and an oil pump. The reserve tank is fixedly connected to the bottom of the accommodation tank. The partition board is fixedly connected to the inner cavity of the reserve tank and divides the inner cavity of the reserve tank into an oil storage cavity and a pump body cavity. The oil pump is fixedly connected to the pump body cavity. The oil inlet of the oil pump is communicated with the bottom of the inner cavity of the oil storage cavity through a suction pipe, and the oil outlet of the oil pump is communicated with the atomizing spray disc through a connecting pipe.

[0009] Preferably, a fuel injection pipe communicating the side wall of the reserve tank with the oil storage cavity is provided, and the top end of the fuel injection pipe is detachably connected to an oil piston.

[0010] Preferably, a maintenance cover plate corresponding to the pump body cavity is detachably connected to the surface of the reserve tank.

[0011] Preferably, an observation window is vertically provided on the surface of the reserve tank.

[0012] Preferably, a plurality of reinforcing ribs are fixedly connected between the top end of the surface of the support rod and the lower surface of the support plate.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] After the electric telescopic rod extends, it can drive the atomizing spray disc to move. After the atomizing spray disc moves above the sheet metal part placed on the upper surface of the lower template, the oil injection mechanism can work to inject stretching oil into the atomizing spray disc, and then spray the atomized stretching oil onto the surface of the sheet metal part. The oil spraying operation is simple and fast, and it can improve the spraying uniformity on the surface of the sheet metal part, reduce the waste of oil, and is beneficial to the stamping processing of the sheet metal part. And during the stamping process, through a plurality of springs provided, the lower template can be buffered during the stamping process to avoid rigid collision, and the stability and safety during the stamping processing of the sheet metal part can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a front structural schematic diagram of the present utility model;

[0016] Figure 2 is a front sectional structural schematic diagram of the present utility model;

[0017] Figure 3 is a structural schematic diagram of the fixing plate and the electric telescopic rod in the present utility model.

[0018] In the figure: 1, accommodation box; 2, support pillar; 3, workbench; 4, lower template; 5, support rod; 6, support plate; 7, vertical rod; 8, hydraulic cylinder; 9, upper template; 10, fixing plate; 11, electric telescopic rod; 12, atomizing spray disc; 13, lifting plate; 14, spring; 15, reserve box; 16, partition; 17, oil pump; 18, connecting pipe; 19, oil suction pipe; 20, oil injection pipe; 21, piston; 22, maintenance cover plate; 23, observation window. Detailed implementation manners

[0019] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0020] Please refer to Figures 1-3 , the present utility model provides a technical solution: a stamping die for sheet metal parts, including an accommodation box 1, the top of the accommodation box 1 is fixedly connected with a workbench 3 through a plurality of support pillars 2, and a lower template 4 is arranged above the workbench 3, and the bottom end of the lower template 4 is vertically and fixedly connected with a vertical rod 7.

[0021] The bottom end of the vertical rod 7 is telescopically extended into the inner cavity of the accommodation box 1 and is fixedly connected with a lifting plate 13, and a plurality of springs 14 are fixedly connected between the lower surface of the lifting plate 13 and the bottom of the inner wall of the accommodation box 1.

[0022] The rear side of the top of the workbench 3 is fixedly connected with a fixing plate 10, an electric telescopic rod 11 is fixedly connected to the fixing plate 10, and an atomizing spray disc 12 is fixedly connected to the front end of the electric telescopic rod 11.

[0023] The bottom of the accommodation box 1 is fixedly connected with an oil injection mechanism for injecting stretching oil into the inner cavity of the atomizing spray disc 12, and an upper die mechanism is arranged on the top of the workbench 3.

[0024] After the electric telescopic rod 11 extends, it can drive the atomizing spray disc 12 to move. When the atomizing spray disc 12 moves above the sheet metal part placed on the upper surface of the lower template 4, the oil injection mechanism can work to inject stretching oil into the inside of the atomizing spray disc 12, and then the atomized stretching oil can be sprayed onto the surface of the sheet metal part.

[0025] The oil spraying operation is simple and fast, and it can improve the spraying uniformity on the surface of the sheet metal part, reduce the waste of oil, and is beneficial to the stamping processing of the sheet metal part.

[0026] During the stamping process, through the arrangement of a plurality of springs 14, the lower template 4 can be buffered during the stamping process, avoiding rigid collision, and improving the stability and safety during the stamping process of the sheet metal part.

[0027] Further, the upper die mechanism includes several support rods 5, a support plate 6, a vertical rod 7 and an upper template 9. A plurality of support rods 5 are fixedly connected to the top of the workbench 3. The support plate 6 is fixedly connected to the top ends of the support rods 5. The vertical rod 7 is vertically arranged on the support plate 6. The upper template 9 is horizontally and fixedly connected to the bottom end of the support plate 6.

[0028] In this embodiment, after the hydraulic cylinder 8 extends, it can drive the upper template 9 to descend. After the upper template 9 contacts the sheet metal on the upper surface of the lower template 4, the sheet metal part can be stamped.

[0029] Further, the oil injection mechanism includes a reserve tank 15, a partition 16 and an oil pump 17. The reserve tank 15 is fixedly connected to the bottom of the accommodation tank 1. The partition 16 is fixedly connected to the inner cavity of the reserve tank 15 and divides the inner cavity of the reserve tank 15 into an oil storage cavity and a pump body cavity. The oil pump 17 is fixedly connected to the pump body cavity. The inlet of the oil pump 17 is communicated with the bottom of the inner cavity of the oil storage cavity through a suction pipe 19. The outlet of the oil pump 17 is communicated with the atomizing spray disc 12 through a connecting pipe 18.

[0030] In this embodiment, after the oil pump 17 works, it can extract the stretching oil through the suction pipe 19, and through the guiding connection of the connecting pipe 18, the oil can be injected into the inner cavity of the atomizing spray disc 12.

[0031] Further, a fuel injection pipe 20 communicating the side wall of the reserve tank 15 with the oil storage cavity is detachably connected with an oil piston 21 at the top end thereof.

[0032] In this embodiment, after the piston 21 is opened, the oil can be injected into the inner cavity of the reserve tank 15 through the fuel injection pipe 20.

[0033] Further, an observation window 23 is vertically arranged on the surface of the reserve tank 15, and a maintenance cover plate 22 corresponding to the pump body cavity is detachably connected to the surface of the reserve tank 15.

[0034] In this embodiment, the observation window 23 is convenient for the staff to check the oil reserve in the reserve tank 15. After the maintenance cover plate 22 is removed, it is convenient for the staff to carry out maintenance.

[0035] Further, several reinforcing ribs are fixedly connected between the top end of the surface of the support rod 5 and the lower surface of the support plate 6.

[0036] Working principle and usage process of the present utility model: After the present utility model is installed, when the electric telescopic rod 11 extends, it can drive the atomizing spray disc 12 to move. After the atomizing spray disc 12 moves above the sheet metal part placed on the upper surface of the lower template 4, the oil injection mechanism can work to inject stretching oil into the interior of the atomizing spray disc 12, and then the atomized stretching oil can be sprayed onto the surface of the sheet metal part. The oil spraying operation is simple and fast, which can improve the spraying uniformity on the surface of the sheet metal part, reduce the waste of oil liquid, and is beneficial to the stamping process of the sheet metal part. Moreover, during the stamping process, through a number of springs 14 provided, the lower template 4 can be buffered during stamping to avoid rigid collision.

[0037] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A sheet metal stamping die, characterized in that: It comprises a containing box (1), the top of the containing box (1) is fixedly connected to a workbench (3) via a plurality of pillars (2), a lower template (4) is arranged above the workbench (3), the bottom end of the lower template (4) is vertically fixedly connected to a vertical rod (7), the bottom end of the vertical rod (7) is pulled out and extends to the inner cavity of the containing box (1) and is fixedly connected to a lifting plate (13), and a plurality of springs (14) are fixedly connected between the lower surface of the lifting plate (13) and the bottom of the inner wall of the containing box (1); A fixed plate (10) is fixedly connected to the rear side of the top of the workbench (3), an electric telescopic rod (11) is fixedly connected to the fixed plate (10), an atomizing spray disc (12) is fixedly connected to the front end of the electric telescopic rod (11), an oiling mechanism for injecting stretching oil into the inner cavity of the atomizing spray disc (12) is fixedly connected to the bottom of the containing box (1), and an upper mold mechanism is arranged on the top of the workbench (3).

2. A sheet metal stamping die according to claim 1, characterized in that: The upper mold mechanism comprises a plurality of support rods (5), a support plate (6), a vertical rod (7) and an upper mold plate (9), wherein the plurality of support rods (5) are fixedly connected to the top of the workbench (3), the support plate (6) is fixedly connected to the top of the support rods (5), the vertical rod (7) is vertically arranged on the support plate (6), and the upper mold plate (9) is laterally fixedly connected to the bottom of the support plate (6).

3. A sheet metal stamping die according to claim 1, characterized in that: The oil injection mechanism comprises a reserve box (15), a partition (16) and an oil pump (17); the reserve box (15) is fixedly connected to the bottom of the containing box (1); the partition (16) is fixedly connected to the inner cavity of the reserve box (15) and divides the inner cavity of the reserve box (15) into an oil storage cavity and a pump body cavity; the oil pump (17) is fixedly connected to the pump body cavity; the oil inlet of the oil pump (17) is connected to the bottom of the inner cavity of the oil storage cavity through an oil suction pipe (19); and the oil outlet of the oil pump (17) is connected to the atomizing spray disc (12) through a connecting pipe (18).

4. A sheet metal stamping die as claimed in claim 3, characterized in that: The side wall of the reserve box (15) is connected to an oil injection pipe (20) which is connected to the oil storage chamber, and the top end of the oil injection pipe (20) is detachably connected to an oil piston (21).

5. A sheet metal stamping die as claimed in claim 3, characterized in that: The surface of the reserve tank (15) is detachably connected with an inspection cover plate (22) corresponding to the pump body cavity.

6. A sheet metal stamping die as claimed in claim 5, characterized in that: An observation window (23) is vertically arranged on the surface of the storage box (15).

7. A sheet metal stamping die as claimed in claim 2, characterized in that: A plurality of reinforcing ribs are fixedly connected between the top end of the surface of the support rod (5) and the lower surface of the support plate (6).

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