Stamping die with stamping die head convenient to replace

Abstract

The stamping die with the stamping die head convenient to replace comprises a fixing structure, a connecting sleeve and the die head, and the fixing structure is fixedly connected with one end of the connecting sleeve in a detachable mode; one end of the die head is mounted in the other end of the connecting sleeve in a pluggable manner, and the end, located in the connecting sleeve, of the die head abuts against the fixing structure; due to the integral arrangement, in the process of replacing the die head, the die head can be disassembled and assembled by means of an external tool and can also be disassembled and assembled by hands, and meanwhile, the die head can be taken down and replaced only by disassembling the connecting sleeve during replacement, so that the whole die head is more convenient and flexible.

Description

Technical Field

[0001] The utility model relates to the field of stamping dies, and in particular to a stamping die which is convenient for replacing a stamping die head. Background Art

[0002] Stamping dies are special process equipment used to process materials (metal or non-metal) into parts (or semi-finished products) during cold stamping. They are called cold stamping dies (commonly known as cold stamping dies). Stamping is a pressure processing method that uses a die installed on a press to apply pressure to the material at room temperature to separate or plastically deform it, thereby obtaining the desired parts.

[0003] Although there are many different stamping dies on the market, the existing stamping die heads need not only the use of corresponding disassembly and assembly tools, but also the disassembly and assembly of many screws during replacement, which is very cumbersome and troublesome.

[0004] Therefore, it is very necessary to invent a stamping die that is convenient to replace the stamping die head. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a stamping die that is easy to replace the stamping die head. The technical solution is as follows: a stamping die that is easy to replace the stamping die head comprises a fixing structure, a connecting sleeve and a die head, wherein: the fixing structure is detachably fixedly connected to one end of the connecting sleeve; one end of the die head is plugged and installed inside the other end of the connecting sleeve, and one end of the die head inside the connecting sleeve abuts against the fixing structure;

[0006] Preferably, the fixing structure comprises an external thread column 1 and an external thread column 2, and an integrated external thread column 2 is provided at one end of the external thread column 1 and is coaxial with the external thread column 2, and the diameter of the external thread column 1 is greater than the diameter of the external thread column 2; the external thread column 1 and the external thread column 2 are detachably fixedly connected to one end of the connecting sleeve;

[0007] Preferably, the connecting sleeve comprises an internal threaded sleeve 1, a bearing and an internal threaded sleeve 2, and one end of the internal threaded sleeve 1 is fixedly connected to one end of the internal threaded sleeve 2 through the bearing, and the internal threaded sleeve 1, the bearing and the internal threaded sleeve 2 are coaxial; one end of the internal threaded sleeve 1 is fixedly connected to the inner ring of the bearing, and the outer ring of the bearing is fixedly connected to one end of the internal threaded sleeve 2; the internal threaded sleeve 1 is fixedly connected to the external threaded column 2 in a counterclockwise manner; the internal threaded sleeve 2 is fixedly connected to the external threaded column 1 in a clockwise manner; one end of the mold head is installed in the interior of the internal threaded sleeve 1 by plugging and unplugging, and is coaxial with the internal threaded sleeve; the diameter of the internal threaded sleeve 1 is larger than the diameter of the internal threaded sleeve 2, and the inner diameter of the internal threaded sleeve 1 matches the diameter of the external threaded column 2; the inner diameter of the internal threaded sleeve 2 matches the diameter of the external threaded column 1.

[0008] Preferably, a limiting hole is provided at the bottom of the internal threaded sleeve, and the limiting hole is connected to the internal threaded sleeve and is coaxial with the internal threaded sleeve, and the inner diameter of the limiting hole is smaller than the inner diameter of the internal threaded sleeve; an annular groove is provided on one end face of the internal threaded sleeve, and is coaxial with the annular groove, and the inner diameter of the annular groove is larger than the inner diameter of the internal threaded sleeve, and the diameter of the annular groove is smaller than the diameter of the internal threaded sleeve; a plurality of limiting protrusions are evenly distributed on one side of the inner surface of the internal threaded sleeve close to the limiting hole; the bearing is fixedly installed in the annular groove, and the outer ring of the bearing is rotatably connected to the annular groove; the other end of the mold head passes through the limiting hole, and the mold head is clamped with the limiting protrusion.

[0009] Preferably, the outer surfaces of the internal threaded sleeve 1 and the internal threaded sleeve 2 are each provided with a force application groove.

[0010] Preferably, a conical head is fixedly installed on the top end of the mold head and is coaxial with the conical head, and a plurality of limit grooves are evenly distributed on the outer surface of the conical head, the number and positions of the limit grooves match the number and positions of the limit protrusions; the conical head is in an internal thread sleeve one, and the top end of the conical head is against an external thread column two; the limit protrusion is in the corresponding limit groove.

[0011] Preferably, an integrated positioning plate is provided at the other end of the external threaded column 1 and is coaxial with the positioning plate, and an integrated positioning column is fixedly installed at the top of the positioning plate and is coaxial with the positioning column; the diameter of the positioning plate is larger than the diameter of the external threaded column 1 and the positioning column.

[0012] Compared with the prior art, the advantages of the utility model are:

[0013] The overall arrangement of the utility model allows the mold head to be disassembled and assembled not only with the aid of external tools but also by hand during replacement. At the same time, when replacing, only the connecting sleeve needs to be removed, and the mold head can be taken off and replaced, thereby making the overall arrangement more convenient and flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the overall explosion structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the exploded structure of the connecting sleeve of the utility model.

[0017] In the figure:

[0018] Fixed structure 1, positioning column 11, positioning plate 12, external thread column 1 13, external thread column 2 14, connecting sleeve 2, internal thread sleeve 1 21, bearing 22, internal thread sleeve 2 23, limiting hole 24, annular groove 25, limiting protrusion 26, force groove 27, mold head 3, conical head 31, limiting groove 32. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be described clearly and completely below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0020] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] Embodiment 1

[0023] Reference Figure 1-3 A stamping die for convenient replacement of a stamping die head comprises a fixing structure 1, a connecting sleeve 2 and a die head 3, wherein: the fixing structure 1 is detachably fixedly connected to one end of the connecting sleeve 2, and the fixing structure 1 is provided so that the whole is conveniently installed on the head of the stamping machine; one end of the die head 3 is plugged and installed inside the other end of the connecting sleeve 2, and the connecting sleeve 2 is provided so that the die head 3 and the fixing structure 1 are conveniently separately disassembled and assembled, and the end of the die head 3 inside the connecting sleeve 2 is against the fixing structure 1;

[0024] The fixing structure 1 includes an external thread column 13 and an external thread column 2 14, and an integrated external thread column 2 14 is provided at one end of the external thread column 13 and is coaxial with the external thread column 2 14, and the diameter of the external thread column 13 is larger than the diameter of the external thread column 2 14; the external thread column 13 and the external thread column 2 14 are detachably fixedly connected to one end of the connecting sleeve 2, and through the arrangement of the external thread column 13 and the external thread column 2 14, a double connection can be made with the connecting sleeve 2, thereby improving the stability therebetween;

[0025] The connecting sleeve 2 includes an internal thread sleeve 1 21, a bearing 22 and an internal thread sleeve 23, and one end of the internal thread sleeve 1 21 is fixedly connected to one end of the internal thread sleeve 23 through the bearing 22. The internal thread sleeve 1 21, the bearing 22 and the internal thread sleeve 23 are coaxial. Through the setting of the bearing 22, the internal thread sleeve 1 21 and the internal thread sleeve 23 can rotate independently; one end of the internal thread sleeve 1 21 is fixedly connected to the inner ring of the bearing 22, and the outer ring of the bearing 22 is fixedly connected to one end of the internal thread sleeve 23; the internal thread sleeve 1 21 is fixedly connected to the external thread column 2 14 in a counterclockwise direction; the internal thread The sleeve 23 is fixedly connected to the external threaded column 13 in a clockwise direction; the settings between the internal threaded sleeve 23 and the external threaded column 13 and between the internal threaded sleeve 23 and the external threaded column 13 can restrain each other, so that the mold head 3 is prevented from loosening during vibration; one end of the mold head 3 is installed in the internal threaded sleeve 21 by plugging and unplugging, and is coaxial with the internal threaded sleeve 21; the diameter of the internal threaded sleeve 21 is larger than the diameter of the internal threaded sleeve 23, and the inner diameter of the internal threaded sleeve 21 matches the diameter of the external threaded column 14; the inner diameter of the internal threaded sleeve 23 matches the diameter of the external threaded column 13.

[0026] A limiting hole 24 is provided at the bottom of the internal threaded sleeve 21. Through the setting of the limiting hole 24, the mold head 3 can be limited, and at the same time, one end of the mold head 3 is convenient to leak out from the internal threaded sleeve 21, and the limiting hole 24 is connected to the internal threaded sleeve 21 and is coaxial. The inner diameter of the limiting hole 24 is smaller than the inner diameter of the internal threaded sleeve 21; an annular groove 25 is provided on one end surface of the internal threaded sleeve 21. Through the setting of the annular groove 25, an installation space can be provided for the bearing 22, and the annular groove 25 is coaxial with the annular groove 25, and the inner diameter of the annular groove 25 is larger than the inner diameter of the internal threaded sleeve 21. The diameter of the groove 25 is smaller than the diameter of the internal threaded sleeve 21; a plurality of limiting protrusions 26 are evenly distributed on one side of the inner surface of the internal threaded sleeve 21 close to the limiting hole 24. By setting the limiting protrusions 26, the mold head 3 can be limited to prevent the mold head 3 and the internal threaded sleeve 21 from rotating, thereby ensuring its stability in the internal threaded sleeve 21; the bearing 22 is fixedly installed in the annular groove 25, and the outer ring of the bearing 22 is rotatably connected to the annular groove 25; the other end of the mold head 3 passes through the limiting hole 24, and the mold head 3 is clamped with the limiting protrusions 26.

[0027] The outer surfaces of the internal threaded sleeve 1 21 and the internal threaded sleeve 23 are respectively provided with force application grooves 27. The force application grooves 27 can provide force application points for operators when disassembling and assembling the internal threaded sleeve 1 21 and the internal threaded sleeve 23 to prevent slipping during the disassembly and assembly process.

[0028] A conical head 31 is fixedly installed on the top of the mold head 3. Through the setting of the conical head 31, the conical head 31 can be stuck in the internal thread sleeve 21 to prevent the conical head 31 from escaping from the internal thread sleeve 21. The conical head 31 is coaxial with the conical head 31, and a plurality of limiting grooves 32 are evenly distributed on the outer surface of the conical head 31. Through the setting of the limiting grooves 32, the conical head 31 can be stuck with the limiting protrusions 26 to prevent the mold head 3 and the internal thread sleeve 21 from rotating. The number and position of the limiting grooves 32 match the number and position of the limiting protrusions 26; the conical head 31 is in the internal thread sleeve 21, and the top of the conical head 31 is against the external thread column 14; the limiting protrusions 26 are in the corresponding limiting grooves 32.

[0029] An integrated positioning plate 12 is provided at the other end of the external threaded column 13. Through the setting of the positioning plate 12, when the positioning column 11 is docked with the head of the punching machine, it is convenient to quickly locate the installation position of the positioning column 11, and it is coaxial with the positioning plate 12, and the top of the positioning plate 12 is fixedly installed with an integrated positioning column 11. Through the setting of the positioning column 11, it is convenient to install the whole on the head of the punching machine, and it is coaxial with the positioning column 11; the diameter of the positioning plate 12 is larger than the diameters of the external threaded column 13 and the positioning column 11.

[0030] In this embodiment, when in use, the whole is installed on the head of the punching machine through the positioning column 11. When the die head 3 needs to be replaced later, it is only necessary to rotate the internal threaded sleeve 23 counterclockwise and the internal threaded sleeve 1 21 clockwise at the same time, so that the connecting sleeve 2 together with the die head 3 and the fixed structure 1 can be separated separately. After separation, the die head 3 can be taken out from the connecting sleeve 2, and then the required die head 3 can be replaced. After replacement, the internal threaded sleeve 23 is connected to the external threaded column 1 13 clockwise, and the internal threaded sleeve 1 21 is connected to the external threaded column 14 counterclockwise to complete the fixation of the replaced die head 3.

[0031] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A stamping die that is easy to replace the stamping die head, characterized in that: The invention comprises a fixed structure (1), a connecting sleeve (2) and a die head (3), wherein: the fixed structure (1) is detachably fixedly connected to one end of the connecting sleeve (2); one end of the die head (3) is pluggably installed inside the other end of the connecting sleeve (2), and the end of the die head (3) inside the connecting sleeve (2) abuts against the fixed structure (1); The fixing structure (1) comprises an external thread column 1 (13) and an external thread column 2 (14), and one end of the external thread column 1 (13) is provided with an integrated external thread column 2 (14); the external thread column 1 (13) and the external thread column 2 (14) are detachably fixedly connected to one end of the connecting sleeve (2); The connecting sleeve (2) comprises an internal thread sleeve (21), a bearing (22) and an internal thread sleeve (23), and one end of the internal thread sleeve (21) is fixedly connected to one end of the internal thread sleeve (23) through the bearing (22); one end of the internal thread sleeve (21) is fixedly connected to the inner ring of the bearing (22), and the outer ring of the bearing (22) is fixedly connected to one end of the internal thread sleeve (23); the internal thread sleeve (21) is fixedly connected to the external thread column (14) in a counterclockwise manner; the internal thread sleeve (23) is fixedly connected to the external thread column (13) in a clockwise manner; and one end of the die head (3) is installed in the interior of the internal thread sleeve (21) by plugging and unplugging.

2. A stamping die for facilitating replacement of a stamping die head as claimed in claim 1, characterized in that: A limiting hole (24) is provided at the bottom of the internal threaded sleeve (21), and the limiting hole (24) is communicated with the internal threaded sleeve (21); an annular groove (25) is provided on one end surface of the internal threaded sleeve (21); a plurality of limiting protrusions (26) are evenly distributed on the inner surface of the internal threaded sleeve (21); the bearing (22) is fixedly installed in the annular groove (25), and the outer ring of the bearing (22) is rotatably connected to the annular groove (25); the other end of the die head (3) passes through the limiting hole (24), and the die head (3) is clamped with the limiting protrusion (26).

3. A stamping die for facilitating replacement of a stamping die head as claimed in claim 2, characterized in that: The outer surfaces of the first internal thread sleeve (21) and the second internal thread sleeve (23) are each provided with a force application groove (27).

4. A stamping die for facilitating replacement of a stamping die head as claimed in claim 3, characterized in that: A conical head (31) is fixedly mounted on the top end of the die head (3), and a plurality of limiting grooves (32) are evenly distributed on the outer surface of the conical head (31), the number and position of the limiting grooves (32) matching the number and position of the limiting protrusions (26); the conical head (31) is located in the first internal thread sleeve (21), and the top end of the conical head (31) abuts against the second external thread column (14); the limiting protrusions (26) are located in the corresponding limiting grooves (32).

5. A stamping die for facilitating replacement of a stamping die head as claimed in claim 1, characterized in that: An integrated positioning plate (12) is provided at the other end of the external threaded column (13), and an integrated positioning column (11) is fixedly mounted on the top end of the positioning plate (12).

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