Stamping die convenient to maintain

Abstract

The utility model discloses a stamping die convenient to maintain, which relates to the technical field of stamping dies and comprises a lower die mechanism, an upper die mechanism is movably inserted at the upper end of the lower die mechanism, and a stamping plug-in mechanism used for clamping a stamping part is sleeved on the lower die mechanism. The stamping die solves the problems that an existing stamping die is difficult to disassemble and needs to be fixed up and down through a plurality of sets of screws, so that stamping built-in parts are difficult to replace, the lower die mechanism and the upper die mechanism are arranged in a sleeved mode, and therefore the stamping die of the structure is divided into four parts. The stamping die comprises a lower die mechanism, an upper die mechanism and two sets of first sleeve plates, modular sleeve connection of the stamping die is preliminarily achieved, through self-fixing arrangement of the upper die mechanism and stacking arrangement of the stamping plug-in mechanism, under the condition that the die is assembled, a workpiece can be inserted along a workpiece oblique insertion groove to facilitate stamping machining, and the stamping efficiency is improved. And the upper die mechanism is self-fixed, so that the upper die can be independently detached.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to a stamping die which is easy to maintain. Background Art

[0002] A stamping die is a special process equipment used to process materials (metal or non-metal) into parts (or semi-finished products) during cold stamping. It is called a cold stamping die (commonly known as a cold stamping die). There are many forms of stamping dies, and stamping dies are also classified according to the nature of the work, die structure, and die material.

[0003] Publication number CN220216399U is a side limit stamping die, comprising an upper die base, a lower die base, an upper clamping plate arranged on the upper die base, a lower template arranged on the lower die base, and a side pressure assembly; the upper clamping plate is provided with a punching punch, the lower template is provided with a blanking die and a side block, the blanking die is aligned with the punching punch, and the side block is arranged on the side of the blanking die for blocking the workpiece; the side pressure assembly comprises a side top piece and a side top block, the side top piece is arranged on the lower template, the side top block is arranged on the upper clamping plate, the side top piece is provided with a force-bearing end and a side top end, the force-bearing end is aligned with the side top block, When the upper die seat moves downward, it drives the side top block to push the force-bearing end to slide; and the top end of the side is aligned with the side stop block, which is used to push the workpiece and the side stop block tightly. Through the mutual cooperation of the side top piece and the side top block, the workpiece is tightened before the punching punch punches, thereby improving the situation where manual pushing easily causes poor tightening, which in turn leads to a decrease in punching accuracy. Due to the particularity of stamping, the stamping die and the built-in die parts are easily damaged, but this stamping die is difficult to disassemble and requires multiple sets of screws to fix it up and down, which makes it difficult to replace the built-in parts of the stamping.

[0004] In view of the above problems, a stamping die that is easy to maintain is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a stamping die that is easy to maintain, which solves the problem that the existing stamping die in the background technology is easy to damage the stamping head and built-in die parts due to the particularity of stamping, but this stamping die is difficult to disassemble and requires multiple sets of screws to fix it up and down, making it difficult to replace the built-in parts of the stamping.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stamping die that is easy to maintain, comprising a lower die mechanism, the upper end of the lower die mechanism is movably connected to the upper die mechanism, the lower die mechanism is sleeved with a stamping plug-in mechanism for clamping the stamping parts, the lower die mechanism comprises a base plate, a buffer plug-in mechanism arranged at the four corners of the base plate, and four groups of built-in plug-ins arranged at the upper end of the base plate, the upper die mechanism comprises a pressure frame inserted into the buffer plug-in mechanism, the lower end of the pressure frame is connected to a thickening plate, the stamping plug-in mechanism is provided with two groups of first sets of plates that are mirror-symmetrical in upper and lower directions, the first set of plates are sleeved on the four groups of built-in plug-ins, and the side of the first set of plates is provided with an oblique slot for the workpiece.

[0007] Preferably, a material discharge trough is provided on the bottom plate, and the material discharge trough is opened corresponding to the stamping position of the pressing frame.

[0008] Preferably, the buffer rod insertion mechanism includes a sleeve frame arranged at the four corners of the bottom plate, the upper end of the sleeve frame is fixedly connected to a spring rod, and the upper end of the spring rod is provided with a circular interface.

[0009] Preferably, the buffer rod mechanism further comprises a buffer spring arranged around the spring rod, a sleeve is fixed to the upper end of the buffer spring, and the sleeve is movably inserted on the spring rod.

[0010] Preferably, four groups of screws are threadedly connected between the pressing frame and the thickening plate, and the positions of the screws and the built-in insertion rods correspond to each other up and down.

[0011] Preferably, a punching head is provided at the lower end of the pressing frame, and safety springs are fixed at both ends of the punching head.

[0012] Preferably, an oblique groove is provided at the upper end of the pressing frame, and the oblique groove is used in conjunction with an external horizontal pressing head.

[0013] Preferably, the four corners of the first set of plates are provided with set of plate sockets corresponding to the built-in insertion rods, and the interior of the first set of plates is provided with punching holes corresponding to the punching heads.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] 1. The utility model provides a stamping die that is easy to maintain. The press frame can be easily disassembled and replaced by the mutual socketing arrangement of the lower die mechanism and the upper die mechanism. The socketing arrangement of the two sets of first sets of plates on the built-in plug-in rod enables the two sets of first sets of plates to be taken out in succession after the upper die mechanism is removed. The stamping die of this structure is divided into four parts, namely the lower die mechanism, the upper die mechanism and the two sets of first sets of plates, which preliminarily realizes the modular socketing of the stamping die.

[0016] 2. The utility model provides a stamping die that is easy to maintain. Through the self-fixing setting of the upper die mechanism and the superimposed setting of the stamping plug-in mechanism, the oblique workpiece slot of the stamping plug-in mechanism allows the workpiece to be inserted between the two sets of first plates along the oblique workpiece slot when the die is assembled, which is convenient for stamping processing. The self-fixing of the upper die mechanism allows the upper die to be disassembled separately when the parts are damaged, which solves the problem that the existing stamping die is easy to be damaged due to the particularity of stamping, but this stamping die is difficult to disassemble and requires multiple sets of screws to fix it up and down, making it difficult to replace the built-in parts of the stamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall front view structure of the utility model;

[0018] Figure 2 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0019] Figure 3 The overall structure of the utility model is shown in FIG. Figure 2 ;

[0020] Figure 4 This is a schematic diagram of the split structure of the upper mold mechanism of the utility model;

[0021] Figure 5 It is a schematic diagram of the overall split structure of the utility model.

[0022] In the figure: 1. Lower mold mechanism; 11. Bottom plate; 111. Feed chute; 12. Buffer rod mechanism; 121. Socket frame; 122. Spring rod; 1221. Round interface; 123. Buffer spring; 124. Socket frame; 15. Built-in rod; 2. Upper mold mechanism; 21. Press frame; 211. Safety spring; 212. Punch head; 213. Bevel groove; 22. Screw; 23. Thickening plate; 3. Stamping plug-in mechanism; 31. First set plate; 32. Set plate socket; 33. Workpiece bevel slot; 34. Punch hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings.

[0025] Combine Figure 1 The utility model is a stamping die that is easy to maintain, comprising a lower die mechanism 1, the upper end of the lower die mechanism 1 is movably connected with an upper die mechanism 2, and the lower die mechanism 1 is sleeved with a stamping plug-in mechanism 3 for clamping the stamping parts, the lower die mechanism 1 comprises a base plate 11, a buffering plug-in mechanism 12 arranged at the four corners of the base plate 11, and four groups of built-in plug-in rods 15 arranged at the upper end of the base plate 11, the upper die mechanism 2 comprises a press frame 21 inserted into the buffering plug-in mechanism 12, the lower end of the press frame 21 is connected with a thickening plate 23, the stamping plug-in mechanism 3 is provided with two groups of first sets of plates 31 that are mirror-symmetrical in upper and lower directions, the first set of plates 31 are sleeved on the four groups of built-in plug-in rods 15, and a workpiece oblique slot 33 is opened on the side of the first set of plates 31.

[0026] Specifically, the base plate 11, the buffer rod mechanism 12 and the built-in rod 15 are fixed to each other, and the mutual movable socketing of the pressure frame 21 and the buffer rod mechanism 12 makes the pressure frame 21 easy to disassemble and replace. The socketing arrangement of the two groups of first sets of plates 31 on the built-in rod 15 makes it possible for the two groups of first sets of plates 31 to be taken out in succession after the upper mold mechanism 2 is removed. The stamping mold of this structure is divided into four parts, namely the lower mold mechanism 1, the upper mold mechanism 2 and the two groups of first sets of plates 31. At the same time, the upper mold mechanism 2 is fixed by itself and can also be disassembled. The setting of the workpiece oblique slot 33 makes it possible for the workpiece to be inserted between the two groups of first sets of plates 31 along the workpiece oblique slot 33 when the mold is assembled, so as to facilitate stamping processing.

[0027] The present invention will be further described below with reference to the embodiments.

[0028] Example 1:

[0029] Combine Figure 2-Figure 5 A material discharge trough 111 is provided on the bottom plate 11 , and the material discharge trough 111 is opened corresponding to the stamping position of the press frame 21 , and the material discharge trough 111 is used for stamping and blanking.

[0030] The buffer rod mechanism 12 includes a sleeve frame 121 arranged at the four corners of the base plate 11, and the upper end of the sleeve frame 121 is fixedly connected to the spring insertion rod 122. The upper end of the spring insertion rod 122 is provided with a circular interface 1221. A cavity is provided between the sleeve frame 121 and the spring insertion rod 122 for limiting and fixing the buffer spring 123. The spring insertion rod 122 is sleeved on the pressure frame 21, and the opening of the circular interface 1221 facilitates the insertion of the pressure frame 21.

[0031] The buffer rod mechanism 12 also includes a buffer spring 123 arranged around the spring rod 122. A sleeve 124 is fixed to the upper end of the buffer spring 123. The sleeve 124 is movably inserted into the spring rod 122. The buffer spring 123 provides elastic force. The range of the sleeve 124 is larger than the opening range of the sleeve frame 121, which limits the extrusion of the pressure frame 21. The buffer spring 123 is sleeved on the sleeve 124 to provide stamping buffer force.

[0032] There are four sets of screws 22 threadedly connected between the pressing frame 21 and the thickening plate 23. The screws 22 correspond to the positions of the built-in insert rod 15 up and down. The screws 22 play a connecting role. There is no need to disassemble them unless the parts in the upper mold mechanism 2 are damaged. The screws 22 are inserted into the thickening plate 23, and the crimping distance of the built-in insert rod 15 is reserved when stamping.

[0033] A punching head 212 is provided at the lower end of the pressing frame 21, and safety springs 211 are fixed at both ends of the punching head 212. Safety springs 211 are provided on both sides of each group of punching heads 212. The safety springs 211 provide safety protection for the punching head 212. During stamping, the safety springs 211 can be completely squeezed into the range of the thickened plate 23.

[0034] An oblique slot 213 is provided at the upper end of the pressing frame 21 . The oblique slot 213 is used in conjunction with an external horizontal pressing head. The opening of the oblique slot 213 enables the horizontal pressing head to be slidably centered to balance the punching force.

[0035] Example 2:

[0036] Combine Figure 5 The four corners of the first set of plates 31 are provided with set plate sockets 32 corresponding to the built-in insertion rods 15, and the interior of the first set of plates 31 is provided with stamping holes 34 corresponding to the punching head 212. The built-in insertion rods 15 are inserted into the set plate sockets 32 to position and fix the stamping plug-in mechanism 3. During stamping, the punching head 212 can be inserted into the stamping hole 34 to stamp and shape the workpiece between the two sets of first sets of plates 31.

[0037] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stamping die that is easy to maintain, comprising a lower die mechanism (1), characterized in that: The upper end of the lower mold mechanism (1) is movably connected to the upper mold mechanism (2), and the lower mold mechanism (1) is sleeved with a stamping insert mechanism (3) for clamping the stamping part; The lower mold mechanism (1) includes a base plate (11), a buffer rod mechanism (12) arranged at the four corners of the base plate (11), and four groups of built-in rods (15) arranged at the upper end of the base plate (11); the upper mold mechanism (2) includes a press frame (21) inserted into the buffer rod mechanism (12); the lower end of the press frame (21) is connected to a thickening plate (23); the stamping and plug-in mechanism (3) is provided with two groups of first sets of plates (31) that are mirror-symmetrical in upper and lower directions; the first sets of plates (31) are sleeved on the four groups of built-in rods (15); and a workpiece oblique slot (33) is provided on the side of the first sets of plates (31).

2. The stamping die that is easy to maintain according to claim 1, characterized in that: A material discharge trough (111) is provided on the bottom plate (11), and the material discharge trough (111) is opened corresponding to the punching position of the pressing frame (21).

3. The stamping die that is easy to maintain according to claim 1, characterized in that: The buffer rod insertion mechanism (12) comprises a sleeve frame (121) arranged at the four corners of the base plate (11); the upper end of the sleeve frame (121) is fixedly connected to a spring rod (122); and the upper end of the spring rod (122) is provided with a round interface (1221).

4. The stamping die that is easy to maintain according to claim 3, characterized in that: The buffer rod mechanism (12) further comprises a buffer spring (123) arranged around the spring rod (122); a sleeve (124) is fixed to the upper end of the buffer spring (123); and the sleeve (124) is movably inserted into the spring rod (122).

5. The stamping die that is easy to maintain according to claim 1, characterized in that: Four groups of screws (22) are threadedly connected between the pressing frame (21) and the thickening plate (23), and the positions of the screws (22) and the built-in insertion rods (15) correspond to each other in the upper and lower parts.

6. The punching die that is easy to maintain according to claim 1, characterized in that: A punching head (212) is provided at the lower end of the pressing frame (21), and safety springs (211) are fixed at both ends of the punching head (212).

7. The stamping die that is easy to maintain according to claim 1, characterized in that: An oblique groove (213) is provided at the upper end of the pressing frame (21), and the oblique groove (213) is used in conjunction with an external horizontal pressing head.

8. The stamping die that is easy to maintain according to claim 1, characterized in that: The four corners of the first set plate (31) are provided with set plate sockets (32) corresponding to the built-in insertion rods (15), and the interior of the first set plate (31) is provided with punching holes (34) corresponding to the punching head (212).

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