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CN-224222527-U - Stamping die

CN224222527UCN 224222527 UCN224222527 UCN 224222527UCN-224222527-U

Abstract

The utility model relates to a stamping die, which comprises an upper die holder, a lower die holder, an upper die plate, a lower die plate and a punch, wherein a cylindrical inserting part is formed at the upper end of the punch, an inserting hole matched with the inserting part and a sliding groove communicated with the inserting hole are formed in the upper die plate, the sliding groove penetrates through the upper die plate on the side face of the upper die plate, a slidable clamping sliding block is arranged in the sliding groove, a limiting block is fixedly connected to a port of the sliding groove, a clamping sliding rod penetrating through the limiting block is fixedly connected to the clamping sliding block, a clamping spring positioned between the clamping sliding block and the limiting block is sleeved on the clamping sliding rod, a clamping ring groove is formed on the circumferential surface of the inserting part, a clamping protrusion matched with the clamping ring groove is formed on the surface of the clamping sliding block facing the inserting hole, and the inserting part is inserted into the inserting hole and clamped into the clamping ring groove under the action of the clamping spring, so that the punch and the upper die plate are fixedly connected. The stamping die can be assembled and disassembled more conveniently, and the die is convenient to use.

Inventors

  • WANG XINGJUN
  • ZHENG CHEN

Assignees

  • 温州泰元模具有限公司

Dates

Publication Date
20260512
Application Date
20250605

Claims (8)

  1. 1. The stamping die comprises an upper die holder (1), a lower die holder (2), an upper die plate (3), a lower die plate (4) and a punch (5), wherein the upper die plate (3) and the lower die plate (4) are respectively and fixedly connected to the upper die holder (1) and the lower die holder (2), and the stamping die is characterized in that a cylindrical inserting portion (51) is formed at the upper end of the punch (5), a plug hole (31) matched with the inserting portion (51) and a sliding groove (32) communicated with the plug hole (31) are formed in the upper die plate (3), the sliding groove (32) penetrates through the upper die plate (3) on the side face of the upper die plate (3), a slidable clamping slider (6) is arranged in the sliding groove (32), a limiting block (7) is fixedly connected to a port of the sliding groove (32), a clamping spring (9) arranged between the clamping slider (6) and the limiting block (7) in a sleeved mode, a circular groove (52) is formed in the clamping slider (6) in the clamping slider (8), a circumferential face of the clamping slider (52) and the upper die is provided with a circular groove (52), the plug-in part (51) is inserted into the plug-in hole (31), the clamping protrusion (61) is clamped into the clamping ring groove (52) under the action of the clamping spring (9), and the punch (5) is fixedly connected with the upper die plate (3).
  2. 2. The stamping die of claim 1, wherein the outer side face of the limiting block (7) is provided with a limiting screw hole (71), the end part of the clamping slide bar (8) penetrates into the limiting screw hole (71), and a limiting bolt (10) which can be propped against the end part of the clamping slide bar (8) is screwed in the limiting screw hole (71).
  3. 3. The stamping die according to claim 2, wherein the clamping slide rod (8) is provided with a limiting snap spring (81) at a part of the limiting screw hole (71).
  4. 4. The stamping die as claimed in claim 3, wherein the insertion portion (51) is in a semi-cylindrical shape, and the snap ring groove (52) is provided on an arc portion of the circumferential surface of the insertion portion (51).
  5. 5. The stamping die as claimed in claim 4, wherein the clamping protrusion (61) is in an arc shape matched with the clamping ring groove (52), and when the clamping protrusion (61) is clamped into the clamping ring groove (52), the end face of the clamping protrusion (61) is attached to the bottom of the clamping ring groove (52).
  6. 6. The stamping die according to claim 5, wherein the first guide surface (62) is formed by chamfering the edge angle of the inner lower end of the engaging protrusion (61), and the second guide surface (53) is formed by chamfering the edge angle of the upper end of the insertion portion (51).
  7. 7. The stamping die of claim 6, wherein the upper end of the plugging portion (51) is fixedly connected with an ejection spring (54), a first spring hole (33) penetrating through the upper die plate (3) upwards is formed in the bottom wall of the plugging hole (31), a second spring hole (11) aligned with the first spring hole (33) is formed in the upper die holder (1), and the ejection spring (54) is located in the first spring hole (33) and the second spring hole (11) in a compressed state when the plugging portion (51) is inserted into the plugging hole (31).
  8. 8. The stamping die of claim 7, wherein the upper die plate (3) is formed by connecting an upper plate (34), a middle plate (35) and a lower plate (36) which are stacked through bolt fastening, the sliding groove (32) is formed in the middle plate (35), the limiting block (7) is fixedly connected to the middle plate (35), the first spring hole (33) is formed in the upper plate (34), and the inserting hole (31) is formed by communicating three parts which are respectively formed in the upper plate (34), the middle plate (35) and the lower plate (36).

Description

Stamping die Technical Field The utility model relates to the technical field of dies, in particular to a stamping die. Background In order to facilitate replacement of the punch, in the prior art, for example, a punching die with a quick-change structure (publication number: CN 222607734U) is disclosed, wherein the punch is discharged from the die through a discharge hole formed in an upper die holder to realize disassembly and assembly, for example, a punching die with a replaceable punching die head (publication number: CN 217912495U) is disclosed, wherein the operation of disassembling the punch is performed from the upper part of the upper die in the punching die with the two structures, but because the upper die is connected and matched with a press, the space at the upper part of the upper die is interfered by the press, so that the operation of disassembling, assembling and replacing the punch is not convenient. The present utility model has been made in view of the above problems. Disclosure of utility model The utility model provides a stamping die, which solves the problems existing in the use process of the prior art. The technical scheme of the utility model is realized as follows: The utility model provides a stamping die, includes upper die base, die holder, cope match-plate pattern, lower bolster and drift, cope match-plate pattern and lower bolster are fixed connection respectively on upper die base and die holder, the drift upper end is formed with cylindric grafting portion, offer on the cope match-plate pattern with grafting portion matching spliced eye and the sliding tray with the spliced eye intercommunication, the sliding tray link up the cope match-plate pattern to the cope match-plate pattern side, be provided with slidable joint slider in the sliding tray, fixedly connected with stopper on the sliding tray port, fixedly connected with passes the joint slide bar of stopper on the joint slide bar, the cover is equipped with the joint spring that is located between joint slider and the stopper on the joint slide bar, the joint annular has been seted up on the grafting portion periphery, the joint slider is formed with the joint arch with the joint annular match-up on the face of grafting hole, the grafting portion inserts in the spliced eye, the joint arch is blocked into the joint annular under the effect of joint spring in the drift, realize with the fixed connection of cope match-plate pattern. Preferably, a limiting screw hole is formed in the outer side face of the limiting block, the end portion of the clamping slide rod penetrates into the limiting screw hole, and a limiting bolt which can be propped against the end portion of the clamping slide rod is screwed into the limiting screw hole. Preferably, the part of the clamping slide bar positioned at the limiting screw hole is provided with a limiting snap spring. Preferably, the plugging part is in a semi-cylindrical shape, and the clamping ring groove is arranged on the circular arc part of the circumferential surface of the plugging part. Preferably, the clamping protrusion is in an arc shape matched with the clamping ring groove, and when the clamping protrusion is clamped into the clamping ring groove, the end face of the clamping protrusion is attached to the bottom of the clamping ring groove. Preferably, the chamfer is made at the edge angle of the lower end of the inner side of the clamping protrusion to form a first guide surface, and the chamfer is made at the edge angle of the upper end of the plug-in part to form a second guide surface. Preferably, the upper end of the plug-in part is fixedly connected with an ejection spring, a first spring hole which upwards penetrates through the upper template is formed in the bottom wall of the plug-in hole, a second spring hole which is aligned with the first spring hole is formed in the upper die holder, and the ejection spring is positioned in the first spring hole and the second spring hole and is in a compression state when the plug-in part is inserted into the plug-in hole. Preferably, the upper template is formed by connecting an upper plate, a middle plate and a lower plate which are stacked through bolts, the sliding groove is formed in the middle plate, the limiting block is fixedly connected to the middle plate, the first spring hole is formed in the upper plate, and the plug hole is formed by communicating three parts which are respectively arranged in the upper plate, the middle plate and the lower plate. In summary, the utility model has the beneficial effects that the clamping slide bar is pulled to drive the clamping slide block to drive the clamping bulge to withdraw from the clamping ring groove, so that the punch and the upper template can be detached, the clamping bulge is clamped into the clamping ring groove under the action of the clamping spring by inserting the inserting part into the inserting hole, the punch on the upper template can be mounted, the