Wear-resistant hardware mold

Abstract

The utility model relates to the technical field of hardware dies, in particular to a wear-resistant hardware die which comprises a lower hardware die, air cylinders are fixedly connected to the four corners of the lower hardware die, the output ends of the tops of the air cylinders are fixedly connected with an upper hardware die, and a die groove is formed in the center of the top of the lower hardware die. A stamping block is fixedly connected to the center of the bottom of the hardware upper die, and an oil storage tank is fixedly connected to the outer side of the die groove. The hardware stamping die has the advantages that the oil storage tank is arranged on the outer side of the lower hardware die, when hardware is stamped and formed, the upper hardware die descends to be in butt joint with the lower hardware die, meanwhile, the butt joint block enters the butt joint groove, and the butt joint block is pressed on the elastic air bag to generate pressure on the oil storage tank; lubricating oil stored in the oil storage tank is extruded out of the first oil outlet hole and enters the butt joint groove, lubricating oil supplementing of the butt joint face of the die is completed, and the single-time lubricating oil supplementing amount can be controlled by controlling the protruding radian of the elastic air bag and the size of the oil outlet hole.

Description

Technical Field

[0001] The utility model relates to the technical field of hardware moulds, in particular to a wear-resistant hardware mould. Background Art

[0002] Hardware molds are used in industrial production, using various presses and special tools installed on the presses to press metal materials into parts or products of the desired shape through pressure. Common ones are metal stamping molds. The contact surfaces of hardware molds are easily worn when they are matched, affecting their use. Therefore, it is necessary to set a wear-resistant structure on the contact surface of the upper and lower molds to reduce the wear rate of the mold contact surface.

[0003] A wear-resistant hardware mold disclosed in Chinese patent CN202321164424.2 has a better lubricity of the stamping surface of the mold by automatically discharging lubricating liquid, which greatly reduces the wear. However, the wear-resistant hardware mold requires a special metering pump and a one-way valve to control the discharge of the lubricating liquid, resulting in a high cost of the wear-resistant structure and the need for control and adjustment. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art, provide a wear-resistant hardware mold, and effectively solve the deficiencies of the prior art.

[0005] The purpose of the utility model is achieved through the following technical solutions: a wear-resistant hardware mold, including a hardware lower mold, the four corners of the hardware lower mold are fixedly connected to a cylinder, the output end of the top of the cylinder is fixedly connected to the hardware upper mold, a mold groove is opened at the center of the top of the hardware lower mold, a punching block is fixedly connected to the center of the bottom of the hardware upper mold, the outer side of the mold groove is fixedly connected to an oil storage tank, and oil storage bottles are respectively arranged on both sides of the oil storage tank.

[0006] Optionally, the position and shape of the mold groove and the punch block are matched, and the mold groove and the punch block are matched when the cylinder contracts.

[0007] Optionally, the oil storage tank surrounds the mold groove, a docking groove is opened on the top of the inner side of the mold groove, a docking block is fixedly connected to the bottom of the hardware upper mold, the shape and position of the docking groove are adapted to the docking block, an elastic airbag is fixedly connected to the bottom of the docking groove, the middle part of the elastic airbag protrudes upward, the bottom of the elastic airbag is an oil storage tank, and a plurality of first oil outlet holes are opened on the inner side of the docking groove.

[0008] The above technical solution is adopted: by arranging an oil storage tank on the outer side of the hardware lower mold, when the hardware is stamped and formed, the hardware upper mold descends and docks with the hardware lower mold, and at the same time the docking block enters the docking groove, and the docking block presses on the elastic airbag to generate pressure on the oil storage tank. The lubricating oil stored in the oil storage tank is squeezed out from the first oil outlet into the docking groove, completing the lubricating oil replenishment of the mold docking surface, and the single lubricating oil replenishment amount can be controlled by controlling the protruding curvature of the elastic airbag and the size of the oil outlet hole, so that the hardware mold can automatically replenish the lubricating oil to the docking surface after each stamping is completed, thereby making the docking surface of the hardware mold more wear-resistant.

[0009] Optionally, the bottom of the oil storage bottle is connected to one side of the oil storage tank, the interior of the oil storage bottle is filled with lubricating oil, and both sides of the hardware upper mold are provided with grooves adapted to the oil storage bottle.

[0010] The above technical solution is adopted: by arranging oil storage bottles on both sides of the oil storage tank, when the elastic airbag is pressed to squeeze out part of the lubricating oil, the lubricating oil inside the oil storage bottle enters the oil storage tank under the action of gravity, so that the oil storage tank can be kept full of lubricating oil, which is convenient for replenishing lubricating oil to the mold docking surface.

[0011] Optionally, a plurality of second oil outlet holes are provided on the top of the oil storage tank, and a shallow groove is provided on the outer side of the hardware lower mold, the depth of the shallow groove is less than 0.5 mm, and one side of the shallow groove is connected to the second oil outlet hole.

[0012] The above technical solution is adopted: by setting a shallow groove with a second oil outlet hole on the top of the hardware lower mold, when the elastic airbag is subjected to pressure, lubricating oil is squeezed out of the second oil outlet hole, and the squeezed lubricating oil can be stored in the shallow groove, so that the mold joint surface can store a certain amount of lubricating oil, thereby improving the wear resistance of the mold.

[0013] Optionally, a closing plate is rotatably connected at the interface between the oil storage tank and the oil storage bottle, a torsion spring is sleeved on the middle part of the rotating shaft of the closing plate, the torsion force of the torsion spring makes the closing plate fit against the inner wall of the oil storage tank, and the torsion force of the torsion spring is smaller than the force exerted by the lubricating oil in the oil storage bottle on the closing plate.

[0014] The above technical solution is adopted: by arranging a closing plate with a torsion spring on the inner side of the oil storage tank, the lubricating oil can only enter the oil storage tank from the oil storage bottle in one direction, thereby preventing the lubricating oil from rushing into the oil storage bottle when the elastic airbag is under pressure.

[0015] The utility model has the following advantages:

[0016] 1. The wear-resistant hardware mold is provided with an oil storage tank on the outer side of the hardware lower mold. When the hardware is stamped and formed, the hardware upper mold descends and docks with the hardware lower mold. At the same time, the docking block enters the docking groove. The docking block presses on the elastic airbag to generate pressure on the oil storage tank. The lubricating oil stored in the oil storage tank is squeezed out from the first oil outlet hole into the docking groove to complete the lubricating oil replenishment of the mold docking surface. The single lubricating oil replenishment amount can be controlled by controlling the protruding curvature of the elastic airbag and the size of the oil outlet hole, so that the hardware mold can automatically replenish the lubricating oil to the docking surface after each stamping, thereby making the docking surface of the hardware mold more wear-resistant.

[0017] 2. The wear-resistant hardware mold has oil storage bottles on both sides of the oil storage tank. When the elastic airbag is pressed to squeeze out part of the lubricating oil, the lubricating oil in the oil storage bottle enters the oil storage tank under the action of gravity, so that the oil storage tank can be kept full of lubricating oil, which is convenient for adding lubricating oil to the mold joint surface.

[0018] 3. The wear-resistant hardware mold is provided with a shallow groove with a second oil outlet hole on the top of the hardware lower mold. When the elastic airbag is subjected to pressure, lubricating oil is squeezed out of the second oil outlet hole, and the squeezed lubricating oil can be stored in the shallow groove, so that the mold joint surface can store a certain amount of lubricating oil, thereby improving the wear resistance of the mold. By providing a closing plate with a torsion spring on the inner side of the oil storage tank, the lubricating oil can only enter the oil storage tank from the oil storage bottle in one direction, thereby preventing the lubricating oil from rushing into the oil storage bottle when the elastic airbag is subjected to pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0021] Figure 3 It is a cross-sectional structural schematic diagram of the utility model;

[0022] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure at B in the middle;

[0023] Figure 5 For this utility model Figure 3 Schematic diagram of the enlarged structure at point C in the middle.

[0024] In the figure: 1-hardware lower mold, 2-cylinder, 3-hardware upper mold, 4-mold groove, 5-punch block, 6-oil storage tank, 7-oil storage bottle, 8-docking groove, 9-docking block, 10-elastic airbag, 11-first oil outlet hole, 12-second oil outlet hole, 13-shallow groove, 14-closing plate, 15-torsion spring. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0026] like Figures 1 to 5 As shown, a wear-resistant hardware mold comprises a hardware lower mold 1, the four corners of the hardware lower mold 1 are fixedly connected to a cylinder 2, the output end of the top of the cylinder 2 is fixedly connected to a hardware upper mold 3, a mold groove 4 is opened at the center of the top of the hardware lower mold 1, a punching block 5 is fixedly connected to the center of the bottom of the hardware upper mold 3, an oil storage tank 6 is fixedly connected to the outer side of the mold groove 4, and oil storage bottles 7 are respectively arranged on both sides of the oil storage tank 6.

[0027] Embodiment 1: The positions and shapes of the die groove 4 and the punch block 5 are matched, and the die groove 4 and the punch block 5 are matched when the cylinder 2 contracts.

[0028] Embodiment 2: The oil storage tank 6 surrounds the mold groove 4, and a docking groove 8 is provided at the top of the inner side of the mold groove 4. A docking block 9 is fixedly connected to the bottom of the hardware upper mold 3. The shape and position of the docking groove 8 and the docking block 9 are adapted. An elastic airbag 10 is fixedly connected to the bottom of the docking groove 8. The middle part of the elastic airbag 10 bulges upward. The bottom of the elastic airbag 10 is the oil storage tank 6. A plurality of first oil outlet holes 11 are provided on the inner side of the docking groove 8. By arranging the oil storage tank 6 on the outer side of the hardware lower mold 1, when the hardware is stamped and formed, the lower part of the hardware upper mold 3 The lower die 1 is lowered to dock with the lower die 1, and the docking block 9 enters the docking groove 8. The docking block 9 presses on the elastic airbag 10 to generate pressure on the oil storage tank 6. The lubricating oil stored in the oil storage tank 6 is squeezed out from the first oil outlet 11 into the docking groove 8, completing the lubricating oil replenishment of the die docking surface. The amount of lubricating oil replenished at a single time can be controlled by controlling the protruding curvature of the elastic airbag 10 and the size of the oil outlet 11, so that the hardware die can automatically replenish the lubricating oil to the docking surface after each stamping is completed, thereby making the docking surface of the hardware die more wear-resistant.

[0029] Embodiment 3: The bottom of the oil storage bottle 7 is connected to one side of the oil storage tank 6. The interior of the oil storage bottle 7 is filled with lubricating oil. Both sides of the hardware upper mold 3 are provided with grooves compatible with the oil storage bottle 7. By arranging the oil storage bottle 7 on both sides of the oil storage tank 6, when the elastic airbag 10 is pressed to squeeze out part of the lubricating oil, the lubricating oil inside the oil storage bottle 7 enters the oil storage tank 6 under the action of gravity, so that the oil storage tank 6 can be kept full of lubricating oil, which is convenient for replenishing the lubricating oil to the mold docking surface.

[0030] Embodiment 4: A plurality of second oil outlet holes 12 are provided on the top of the oil storage tank 6, and a shallow groove 13 is provided on the outer side of the hardware lower mold 1. The depth of the shallow groove 13 is less than 0.5 mm, and one side of the shallow groove 13 is connected to the second oil outlet hole 12. By providing the shallow groove 13 with the second oil outlet hole 12 on the top of the hardware lower mold 1, when the elastic airbag 10 is subjected to pressure, lubricating oil is squeezed out of the second oil outlet hole 12, and the squeezed lubricating oil can be stored in the shallow groove 13, so that the mold docking surface can store a certain amount of lubricating oil, thereby improving the wear resistance of the mold.

[0031] Embodiment 5: A closing plate 14 is rotatably connected to the interface between the oil storage tank 6 and the oil storage bottle 7, and a torsion spring 15 is sleeved on the middle part of the rotating shaft of the closing plate 14. The torsion of the torsion spring 15 makes the closing plate 14 fit against the inner wall of the oil storage tank 6. The torsion of the torsion spring 15 is smaller than the force exerted on the closing plate 14 by the lubricating oil in the oil storage bottle 7. By arranging the closing plate 14 with the torsion spring 15 on the inner side of the oil storage tank 6, the lubricating oil can only enter the oil storage tank 6 from the oil storage bottle 7 in one direction, thereby preventing the lubricating oil from rushing into the oil storage bottle 7 when the elastic airbag 10 is under pressure.

[0032] The working principle of the utility model is as follows:

[0033] S1, the upper hardware mold 3 descends and docks with the lower hardware mold 1, and at the same time, the docking block 9 enters the docking groove 8, and the docking block 9 presses on the elastic airbag 10 to generate pressure on the oil storage tank 6, and the lubricating oil stored in the oil storage tank 6 is squeezed out from the first oil outlet 11 into the docking groove 8, completing the lubricating oil replenishment of the mold docking surface;

[0034] S2. When the elastic airbag 10 is subjected to pressure, lubricating oil is squeezed out of the second oil outlet 12, and the squeezed lubricating oil can be stored in the shallow groove 13, so that a certain amount of lubricating oil can be stored on the mold joint surface, thereby improving the wear resistance of the mold.

[0035] Compared with the prior art, the present invention has the following beneficial effects:

[0036] 1. The wear-resistant hardware mold is provided with an oil storage tank 6 on the outer side of the hardware lower mold 1. When the hardware is stamped and formed, the hardware upper mold 3 descends and docks with the hardware lower mold 1. At the same time, the docking block 9 enters the docking groove 8. The docking block 9 presses on the elastic airbag 10 to generate pressure on the oil storage tank 6. The lubricating oil stored in the oil storage tank 6 is squeezed out from the first oil outlet 11 into the docking groove 8 to complete the lubricating oil replenishment of the mold docking surface. The single lubricating oil replenishment amount can be controlled by controlling the protruding curvature of the elastic airbag 10 and the size of the oil outlet 11, so that the hardware mold can automatically replenish the lubricating oil to the docking surface after each stamping is completed, thereby making the docking surface of the hardware mold more wear-resistant.

[0037] 2. The wear-resistant hardware mold has oil storage bottles 7 on both sides of the oil storage tank 6. When the elastic airbag 10 is pressed to squeeze out part of the lubricating oil, the lubricating oil inside the oil storage bottle 7 enters the oil storage tank 6 under the action of gravity, so that the oil storage tank 6 can be kept full of lubricating oil, which is convenient for replenishing the lubricating oil to the mold joint surface.

[0038] 3. The wear-resistant hardware mold is provided with a shallow groove 13 with a second oil outlet hole 12 on the top of the hardware lower mold 1. When the elastic airbag 10 is subjected to pressure, lubricating oil is squeezed out of the second oil outlet hole 12, and the squeezed lubricating oil can be stored in the shallow groove 13, so that the mold joint surface can store a certain amount of lubricating oil, thereby improving the wear resistance of the mold. By providing a closing plate 14 with a torsion spring 15 on the inner side of the oil storage tank 6, the lubricating oil can only enter the oil storage tank 6 from the oil storage bottle 7 in one direction, thereby preventing the lubricating oil from rushing into the oil storage bottle 7 when the elastic airbag 10 is subjected to pressure.

Claims

1. A wear-resistant metal mold, characterized by: The invention comprises a hardware lower mold (1), wherein the four corners of the hardware lower mold (1) are fixedly connected to a cylinder (2), the output end at the top of the cylinder (2) is fixedly connected to a hardware upper mold (3), a mold groove (4) is provided at the center of the top of the hardware lower mold (1), a punching block (5) is fixedly connected at the center of the bottom of the hardware upper mold (3), an oil storage groove (6) is fixedly connected to the outer side of the mold groove (4), and oil storage bottles (7) are respectively provided on both sides of the oil storage groove (6).

2. A wear-resistant metal mold according to claim 1, characterized in that: The positions and shapes of the die groove (4) and the punch block (5) are matched, and when the cylinder (2) contracts, the die groove (4) and the punch block (5) are matched.

3. A wear-resistant metal mold according to claim 2, characterized in that: The oil storage groove (6) surrounds the mold groove (4); a docking groove (8) is provided at the top of the inner side of the mold groove (4); a docking block (9) is fixedly connected to the bottom of the hardware upper mold (3); the docking groove (8) matches the shape and position of the docking block (9); an elastic airbag (10) is fixedly connected to the bottom of the docking groove (8); the middle part of the elastic airbag (10) protrudes upward; the bottom of the elastic airbag (10) is the oil storage groove (6); and a plurality of first oil outlet holes (11) are provided on the inner side of the docking groove (8).

4. The wear-resistant metal mold according to claim 3, characterized in that: The bottom of the oil storage bottle (7) is in communication with one side of the oil storage tank (6); the interior of the oil storage bottle (7) is filled with lubricating oil; and both sides of the hardware upper mold (3) are provided with slots matching the oil storage bottle (7).

5. The wear-resistant metal mold according to claim 4, characterized in that: A plurality of second oil outlet holes (12) are provided on the top of the oil storage tank (6), and a shallow groove (13) is provided on the outer side of the hardware lower mold (1). The depth of the shallow groove (13) is less than 0.5 millimeters, and one side of the shallow groove (13) is butted against the second oil outlet holes (12).

6. The wear-resistant metal mold according to claim 5, characterized in that: A closing plate (14) is rotatably connected to the interface between the oil storage tank (6) and the oil storage bottle (7), and a torsion spring (15) is sleeved on the middle part of the rotation axis of the closing plate (14). The torsion force of the torsion spring (15) causes the closing plate (14) to fit the inner wall of the oil storage tank (6), and the torsion force of the torsion spring (15) is smaller than the force exerted by the lubricating oil in the oil storage bottle (7) on the closing plate (14).

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