Handle bending and character punching die

Abstract

The utility model discloses a handle bending and character punching die which comprises a lower die base, a lower die is fixed to the top of the lower die base in a welded mode, a cavity is formed in the top of the lower die, a lower guide rod is fixed to the top of the lower die base through a bolt, an upper guide rod is arranged outside the lower guide rod in a sliding and inserted mode, and the upper guide rod is connected with the lower die base through a bolt. An upper die base is fixed to the tops of the upper guide rods through bolts, a telescopic air cylinder is fixed to the top of the upper die base through welding, the output end of the telescopic air cylinder is connected with a bending head through a coupler, a plurality of springs are correspondingly arranged at the bottom of the upper die base, and the bottoms of the springs are connected with a workpiece fixing plate. The area of the workpiece fixing plate is the same as that of the lower die, the top of the lower die is correspondingly provided with an oil containing cavity, the inner wall of the oil containing cavity is provided with a piston block in a sliding mode, and the top of the piston block is connected with a lower pressing piece.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a handle bending and lettering mold. Background Art

[0002] The bending and punching die is a die specially used for bending and punching metal materials. It is usually composed of an upper die, a lower die and a die clamping device, and is used to bend or punch metal sheets or pipes according to design requirements. When using the bending and punching die, it is necessary to spray lubricating fluid in the cavity to lubricate the workpiece.

[0003] However, the existing handle bending punching die cannot realize segmented targeted lubricant spraying, resulting in waste of lubricating oil and poor practicality. Therefore, it is very necessary to design a handle bending punching die with strong practicality. Utility Model Content

[0004] The utility model aims to provide a handle bending and punching mold to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a handle bending and punching mold, comprising a lower mold base, a lower mold is fixed to the top of the lower mold base by welding, a cavity is opened on the top of the lower mold, a lower guide rod is fixed to the top of the lower mold base by bolts, an upper guide rod is provided on the outside of the lower guide rod for sliding insertion, an upper mold base is fixed to the top of the upper guide rod by bolts, a telescopic cylinder is fixed to the top of the upper mold base by welding, and the output end of the telescopic cylinder is connected to a bending head via a coupling.

[0006] According to the above technical solution, a plurality of springs are correspondingly arranged at the bottom of the upper die seat, and a workpiece fixing plate is connected to the bottom of the spring, and the area of ​​the workpiece fixing plate is the same as that of the lower die.

[0007] According to the above technical solution, an oil containing cavity is installed correspondingly at the top of the lower mold, a piston block is slidably installed on the inner wall of the oil containing cavity, a lower pressure plate is connected to the top of the piston block, and a compression spring is connected between the bottom of the lower pressure plate and the top of the oil containing cavity.

[0008] According to the above technical solution, an upper nozzle and a lower nozzle are arranged in a vertical arrangement on the side wall of the oil containing cavity, and the diameter of the nozzle hole of the upper nozzle is smaller than that of the lower nozzle.

[0009] According to the above technical solution, an elastic element is installed on the inner wall of the oil containing chamber, one end of the elastic element is connected to a friction bead, one side of the inner wall of the oil containing chamber is connected to a baffle through a hinge, the baffle and the friction bead are a matching structure, and the baffle is located between the upper nozzle and the lower nozzle.

[0010] According to the above technical solution, one end of the oil containing cavity is connected to an oil pump, and one end of the oil pump is connected to an oil tank.

[0011] Compared with the prior art, the beneficial effects achieved by the utility model are as follows: the utility model flexibly fixes the workpiece through the workpiece fixing plate, and through the cooperation of the upper nozzle and the lower nozzle, the mist nozzle is used to lubricate the cavity when the upper mold and the lower mold are far apart, and the bending head is sprayed with oil intensively when it descends. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the installation of the lower mold of the utility model;

[0015] Figure 3 It is a schematic diagram of the internal cross-sectional structure of the oil containing cavity of the utility model;

[0016] In the figure: 2, lower die base; 3, lower die; 31, cavity; 4, oil-containing cavity; 41, lower pressure plate; 5, upper die base; 6, telescopic cylinder; 61, bending head; 7, workpiece fixing plate; 71, spring; 81, upper guide rod; 82, lower guide rod; 42, compression spring; 43, piston block; 44, upper nozzle; 45, lower nozzle; 46, baffle; 47, oil tank; 471, oil pump; 48, elastic element; 49, friction beads. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-3The utility model provides a technical solution: a handle bending and punching mold, including a lower mold base 2, a lower mold 3 is fixed to the top of the lower mold base 2 by welding, a mold cavity 31 is opened on the top of the lower mold base 3, a lower guide rod 82 is fixed to the top of the lower mold base 2 by bolts, an upper guide rod 81 is provided on the outer sliding plug of the lower guide rod 82, an upper mold base 5 is fixed to the top of the upper guide rod 81 by bolts, a telescopic cylinder 6 is fixed to the top of the upper mold base 5 by welding, a bending head 61 is connected to the output end of the telescopic cylinder 6 by a coupling, and the bending head 61 is ejected and retracted by controlling the extension and contraction of the telescopic cylinder 6 when in use, so as to facilitate the bending of the handle, and the upper mold base 5 is lifted and lowered together with the upper guide rod 81 when in use;

[0019] A plurality of springs 71 are correspondingly arranged at the bottom of the upper die seat 5, and a workpiece fixing plate 7 is connected to the bottom of the spring 71. The area of ​​the workpiece fixing plate 7 is the same as that of the lower die 3. When the upper guide rod 81 moves downward, the spring 71 is squeezed and contracted, and the workpiece fixing plate 7 is squeezed on the handle workpiece, so as to form a soft fixation of the workpiece.

[0020] An oil containing cavity 4 is correspondingly installed at the top of the lower die 3, a piston block 43 is slidably installed on the inner wall of the oil containing cavity 4, a lower pressing plate 41 is connected to the top of the piston block 43, a compression spring 42 is connected between the bottom of the lower pressing plate 41 and the top of the oil containing cavity 4, and the lower pressing plate 41 and the piston block 43 are pressed downwards by the extrusion of the workpiece fixing plate 7 when the die is closed, so as to facilitate the injection of lubricating oil;

[0021] An upper nozzle 44 and a lower nozzle 45 are arranged in a vertical arrangement on the side wall of the oil-containing cavity 4. The nozzle hole diameter of the upper nozzle 44 is smaller than that of the lower nozzle 45. When the lubricating oil is sprayed, since there are two nozzles of different types, the mist nozzle is used to lubricate the cavity when the upper mold and the lower mold are far apart, and the bending head is sprayed with oil intensively when the bending head descends.

[0022] An elastic element 48 is installed on the inner wall of the oil-containing cavity 4, and a friction bead 49 is connected to one end of the elastic element 48. A baffle 46 is connected to the inner wall of one side of the oil-containing cavity 4 through a hinge. The baffle 46 and the friction bead 49 are a matching structure. The baffle 46 is located between the upper nozzle 44 and the lower nozzle 45. When the lower pressing plate 41 moves downward, the upper cavity of the oil-containing cavity 4 is squeezed to facilitate the extrusion of the mist-like lubricating oil, thereby lubricating the cavity. In the second half of the stroke, the bending head 61 moves to a position close to the lower cavity. At this time, the supply of the oil pump 471 is started to facilitate the injection of the lubricating oil, so as to form a concentrated injection of the lubricating oil to the bending head 61;

[0023] One end of the oil containing cavity 4 is connected to an oil pump 471 , and one end of the oil pump 471 is connected to an oil tank 47 . The oil pump 471 provides power to the lubricating oil, thereby facilitating the supply of the lubricating oil.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A handle bending and punching die, comprising a lower die base (2), characterized in that: The top of the lower die base (2) is fixed with a lower die (3) by welding, the top of the lower die (3) is provided with a cavity (31), the top of the lower die base (2) is fixed with a lower guide rod (82) by bolts, the outer part of the lower guide rod (82) is provided with an upper guide rod (81) slidably plugged, the top of the upper guide rod (81) is fixed with an upper die base (5) by bolts, the top of the upper guide rod (81) is fixed with a telescopic cylinder (6) by welding, and the output end of the telescopic cylinder (6) is connected with a bending head (61) via a coupling.

2. A handle bending and punching die according to claim 1, characterized in that: A plurality of springs (71) are correspondingly arranged at the bottom of the upper die seat (5), and a workpiece fixing plate (7) is connected to the bottom of the spring (71), and the area of ​​the workpiece fixing plate (7) is the same as that of the lower die (3).

3. A handle bending and punching die according to claim 2, characterized in that: An oil containing cavity (4) is correspondingly mounted on the top of the lower die (3); a piston block (43) is slidably mounted on the inner wall of the oil containing cavity (4); a lower pressing plate (41) is connected to the top of the piston block (43); and a compression spring (42) is connected between the bottom of the lower pressing plate (41) and the top of the oil containing cavity (4).

4. A handle bending and punching die according to claim 3, characterized in that: An upper nozzle (44) and a lower nozzle (45) are arranged in a vertical arrangement on the side wall of the oil containing chamber (4), and the diameter of the nozzle hole of the upper nozzle (44) is smaller than that of the lower nozzle (45).

5. The handle bending and punching mold according to claim 4, characterized in that: An elastic element (48) is installed on the inner wall of the oil containing chamber (4), one end of the elastic element (48) is connected to a friction bead (49), and a baffle (46) is connected to the inner wall of one side of the oil containing chamber (4) via a hinge, the baffle (46) and the friction bead (49) are a matching structure, and the baffle (46) is located between the upper nozzle (44) and the lower nozzle (45).

6. A handle bending and punching die according to claim 5, characterized in that: One end of the oil containing cavity (4) is connected to an oil pump (471), and one end of the oil pump (471) is connected to an oil tank (47).

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