Connecting piece fine blanking die

Abstract

The connecting piece fine blanking die comprises a lower die, the lower die is provided with a sinking groove pre-forming bearing module and a connecting hole forming bearing block, and correspondingly, an upper die is provided with a sinking groove pre-forming stamping head and a connecting hole forming stamping head. The sinking groove pre-forming bearing module and the sinking groove pre-forming punching head are combined to form a sinking groove pre-forming station which is used for manufacturing a primary large-diameter groove body pre-forming structure; the connecting hole forming bearing block and the connecting hole forming punching head are combined to form a connecting hole forming station which is used as a secondary small-diameter hole body post-forming structure; and the primary large-diameter groove body forming structure is combined with the secondary small-diameter hole body forming structure, so that a sinking groove and connecting hole integrally-formed stamping structure of the connecting piece is formed.

Description

TECHNICAL FIELD

[0001] The utility model relates to precision manufacturing technology and its using equipment, specifically, it is a connecting piece fine punching die. BACKGROUND

[0002] Referring to Figure 1 The connecting piece 100 is provided with an end connecting hole 101, and a sinking groove 102 is arranged on one side of the end connecting hole 101. In the present stage, the end connecting hole 101 is generally obtained by stamping, and the sinking groove 102 is obtained by subsequent machining.

[0003] In the present stage, the stamping and subsequent machining are required to be completed in two processes, and multiple processes result in low product preparation efficiency, and multiple devices are required to be occupied, thereby increasing the production cost.

[0004] Therefore, it is necessary to provide a connecting piece fine punching die to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a connecting piece fine punching die.

[0006] The technical scheme is as follows:

[0007] A connecting piece fine punching die comprises a lower die, the lower die is provided with a sinking groove pre-shaping receiving module and a connecting hole shaping receiving block, and correspondingly, an upper die is provided with a sinking groove pre-shaping stamping head and a connecting hole shaping stamping head; the sinking groove pre-shaping receiving module and the sinking groove pre-shaping stamping head are combined to form a sinking groove pre-shaping station and are used as a first large-diameter groove body pre-shaping structure; the connecting hole shaping receiving block and the connecting hole shaping stamping head are combined to form a connecting hole shaping station and are used as a second small-diameter hole body post-shaping structure; the first large-diameter groove body pre-shaping structure is combined with the second small-diameter hole body post-shaping structure to form a sinking groove and a connecting hole integrated stamping structure of the connecting piece.

[0008] Further, the sinking groove pre-shaping stamping head is provided with a one-time stamping limiting body.

[0009] Further, the upper die comprises an upper die lower pressing part, the upper die lower pressing part is provided with a stamping head setting part through an elastic body connecting structure, and the sinking groove pre-shaping stamping head and the connecting hole shaping stamping head are connected to the stamping head setting part.

[0010] Further, the lower die is provided with a lower die positioning column, and the upper die lower pressing part is provided with a cooperating upper die alignment hole to form a high-precision stamping positioning structure.

[0011] Further, the elastomer connecting structure at least comprises a lifting guide column for connecting the upper die lower pressing part and the stamping head setting part, and an elastic member is arranged on the lifting guide column, and the two ends of the elastic member respectively abut the upper die lower pressing part and the stamping head setting part.

[0012] Further, the elastic member is a spring.

[0013] Further, the sinking groove pre-forming stamping head is connected with the stamping head setting part through the elastic block.

[0014] Compared with the prior art, the sinking groove and the connecting hole of the connecting sheet are integrally formed through the sinking groove and the connecting hole of the connecting sheet of the utility model, one forming of the sinking groove and the connecting hole of the connecting sheet can be realized, the machining process is less, the preparation efficiency is high, the occupation of the machining equipment is effectively reduced, and the production cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the connecting sheet 100.

[0016] Figure 2 is a structural schematic view of the utility model. DETAILED DESCRIPTION

[0017] Embodiment:

[0018] Referring to Figure 2 , the embodiment shows a connecting sheet fine blanking die, which comprises a lower die 1, the lower die 1 is provided with a sinking groove pre-forming receiving module 2 and a connecting hole forming receiving block 3, and correspondingly, an upper die 4 is provided with a sinking groove pre-forming stamping head 5 and a connecting hole forming stamping head 6;

[0019] The sinking groove pre-forming receiving module 2 and the sinking groove pre-forming stamping head 5 are combined to form a sinking groove pre-forming station, which is used as a first large-diameter groove body pre-forming structure;

[0020] The connecting hole forming receiving block 3 and the connecting hole forming stamping head 6 are combined to form a connecting hole forming station, which is used as a second small-diameter hole body post-forming structure;

[0021] The first large-diameter groove body pre-forming structure is combined with the second small-diameter hole body post-forming structure to form a sinking groove and connecting hole integrally formed stamping structure of the connecting sheet.

[0022] The sinking groove pre-forming stamping head 5 is provided with a one-time stamping limiting body 51.

[0023] The upper die 4 comprises an upper die lower pressing part 41, the upper die lower pressing part 41 is provided with a stamping head setting part 42 through an elastomer connecting structure, and the sinking groove pre-forming stamping head 5 and the connecting hole forming stamping head 6 are connected to the stamping head setting part.

[0024] The lower die 1 is provided with a lower die positioning column 7, and the upper die lower pressing part 41 is provided with a cooperating upper die alignment hole 71, thereby forming a high-precision stamping positioning structure.

[0025] The elastic body connecting structure at least comprises a lifting guide column 8 for connecting the upper die lower pressing part 41 and the stamping head setting part 42, and the lifting guide column 8 is provided with an elastic member 81, and the two ends of the elastic member 81 respectively abut the upper die lower pressing part 41 and the stamping head setting part 42.

[0026] The elastic member 81 is a spring.

[0027] The sinking groove pre-formed stamping head 5 is connected to the stamping head setting part through the elastic block 52.

[0028] Compared with the prior art, the sinking groove and the connecting hole of the connecting sheet are integrally formed through the sinking groove and the connecting hole of the connecting sheet, one forming of the sinking groove and the connecting hole of the connecting sheet can be realized, the machining process is less, the preparation efficiency is high, the occupation of the machining equipment is effectively reduced, and the production cost is reduced.

[0029] The above is some embodiments of the utility model. For ordinary skilled in the art, without departing from the utility model's creative concept, can make a number of deformation and improvement, these all belong to the protection scope of the utility model.

Claims

1. A fine blanking die for a tab, characterized by: The lower die is provided with a sinking groove preforming receiving module and a connecting hole forming receiving block, and the upper die is provided with a sinking groove preforming punch head and a connecting hole forming punch head; the sinking groove preforming receiving module and the sinking groove preforming punch head form a sinking groove preforming station, which is used as a first large-diameter groove body preforming structure; the connecting hole forming receiving block and the connecting hole forming punch head form a connecting hole forming station, which is used as a second small-diameter hole body post-forming structure; the first large-diameter groove body preforming structure and the second small-diameter hole body post-forming structure are combined to form a sinking groove and connecting hole integrated forming punch structure of the connecting piece.

2. The fine blanking die for a connecting piece according to claim 1, wherein: The sinking groove preforming punch head is provided with a first punch limiting body.

3. The fine blanking die for a connecting piece according to claim 2, wherein: The upper die includes an upper die lower pressing part, which is provided with a punch head setting part through an elastic body connecting structure, and the sinking groove preforming punch head and the connecting hole forming punch head are connected to the punch head setting part.

4. The fine blanking die for a connecting piece according to claim 3, wherein: The lower die is provided with a lower die positioning column, and the upper die lower pressing part is provided with a cooperating upper die alignment hole, thereby forming a high-precision stamping positioning structure.

5. The fine blanking die for a connecting piece according to claim 4, wherein: The elastic body connecting structure at least includes a lifting guide column for connecting the upper die lower pressing part and the punch head setting part, and the lifting guide column is provided with an elastic member, and the two ends of the elastic member respectively support the upper die lower pressing part and the punch head setting part.

6. The fine blanking die for a connecting piece according to claim 5, wherein: The elastic member is a spring.

7. The fine blanking die for a connecting piece according to claim 6, wherein: The sinking groove preforming punch head is connected to the punch head setting part through an elastic block.

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