CN216989536U - Stamping die - Google Patents

Abstract

The application relates to the field of dies, in particular to a stamping die, which comprises a die body and a lifting ring, wherein the lifting ring comprises an annular part and a bearing shaft connected to the annular part, the die body is provided with a connecting hole for the bearing shaft to be inserted into, and the stamping die further comprises a rotation stopping block for limiting the rotation of the lifting ring relative to the connecting hole; at least two limiting blocks are uniformly arranged on the periphery of the force bearing shaft, a sliding groove for the limiting blocks to slide into is formed in the inner wall of the connecting hole along the axial direction, a limiting groove for the limiting blocks to slide into in a rotating manner is formed in the inner wall of the connecting hole in the circumferential direction, and the limiting groove is communicated with the sliding groove; the rotation stopping block is matched with the sliding groove; when the hanging ring is connected with the connecting hole, the limiting block is positioned in the limiting groove, and the rotation stopping block is inserted into at least one sliding groove. This application has the effect of making things convenient for stamping die rings installation.

Description

Stamping die

Technical Field

The present application relates to the field of dies, and more particularly, it relates to a stamping die.

Background

The stamping die is a tool used for stamping and forming products in industrial production. When the stamping die needs to be carried, an operator usually installs the lifting ring on the stamping die and operates the travelling crane to lift the lifting ring for carrying.

In the related art, a large-sized stamping die comprises a die body and a lifting ring, wherein a threaded hole is formed in the die body, and an external thread is arranged on the lifting ring. When the lifting ring is installed, an operator enables the lifting ring to be in threaded connection with the die body by screwing the lifting ring into the threaded hole.

In view of the above-mentioned related art, the inventor believes that when the suspension ring is in threaded connection with the die body, an operator needs to rotate the suspension ring for multiple turns, which is inconvenient to install.

SUMMERY OF THE UTILITY MODEL

In order to make things convenient for the dismouting of rings among the stamping die, this application provides stamping die.

A stamping die comprises a die body and a lifting ring, wherein the lifting ring comprises an annular part and a bearing shaft connected to the annular part, the die body is provided with a connecting hole into which the bearing shaft is inserted, and the stamping die further comprises a rotation stopping block used for limiting the rotation of the lifting ring relative to the connecting hole; at least two limiting blocks are uniformly arranged on the periphery of the bearing shaft, a sliding groove for the limiting blocks to slide into is formed in the inner wall of the connecting hole along the axial direction, a limiting groove for the limiting blocks to rotate and slide into is formed in the inner wall of the connecting hole along the circumferential direction, and the limiting groove is communicated with the sliding groove; the rotation stopping block is matched with the sliding groove; when the hanging ring is connected with the connecting hole, the limiting block is positioned in the limiting groove, and the rotation stopping block is inserted in at least one sliding groove.

By adopting the technical scheme, the annular part is used for being hooked by the lifting hook, and the bearing shaft is arranged in the connecting hole to realize the connection between the lifting ring and the die body; when the hoisting ring is installed, the bearing shaft is aligned to the connecting hole, the limiting block on the bearing shaft is aligned to the notch of the sliding groove, so that the bearing shaft is inserted into the connecting hole, and when the limiting block is aligned to the notch of the limiting groove, an operator rotates the bearing shaft to enable the limiting block to rotatably slide into the limiting groove, so that the limiting block stops the bearing shaft from circumferentially sliding along the connecting hole under the limiting action of the limiting groove; the two limiting blocks are uniformly arranged along the circumferential direction of the bearing shaft, so that the tension between the bearing shaft and the hole wall of the connecting hole is uniformly distributed along the circumferential direction of the bearing shaft, and the connecting strength between the bearing shaft and the die body is stronger; the rotation stopping block is matched with the sliding groove, and after the limiting block is inserted into the limiting groove, at least one rotation stopping block is inserted into the sliding groove, so that the bearing shaft is limited to rotate in the circumferential direction, the bearing shaft is not easy to deviate from the limiting groove and break away from the connecting hole due to circumferential rotation, and the connection between the hanging ring and the die body is more stable.

Preferably, the bearing shaft is provided with a plurality of layers of limiting blocks along the axial direction.

Through adopting above-mentioned technical scheme, the stopper is equipped with the multilayer along bearing axle circumference for pulling force between bearing axle and the connecting hole pore wall is more even along axial distribution, and rings and mould body's joint strength is stronger.

Preferably, one end of the limiting block is provided with a guide surface which is suitable for abutting against one side of the limiting groove.

By adopting the technical scheme, in the process that the limiting block is inserted into the limiting groove, one side of the groove walls on the two opposite sides of the limiting groove is abutted against the guide surface, and the limiting block is easier to align and slide into the limiting groove under the guide of the guide surface.

Preferably, the rotation stopping block comprises an abutting part and a protruding part, when the hanging ring is connected with the connecting hole, the abutting part is inserted into the sliding groove and abuts against the side wall of the sliding groove, and the protruding part is located outside the notch of the sliding groove.

Through adopting above-mentioned technical scheme, butt portion inserts restriction bearing shaft circumferential direction in the groove that slides, and the bulge is outside so that will only change the piece and take out from the inslot that slides at the notch in the groove that slides in the bulge protrusion.

Preferably, the protruding part is provided with a clamping groove.

Through adopting above-mentioned technical scheme, seted up the centre gripping groove on the bulge, the operator of being convenient for is in order to demolish the anti-rotation block to the bulge application of force.

Preferably, the flying ring further comprises a locking bolt and a locking nut, the protruding portion is provided with a first opening, the bearing shaft is radially provided with a second opening, and the locking bolt is suitable for being simultaneously inserted into the first opening and the second opening and is in threaded connection with the locking nut.

Through adopting above-mentioned technical scheme, the locking bolt wears to establish simultaneously between first trompil and the second trompil and with lock nut threaded connection to the locking bolt will only change the piece and fix on the bearing shaft, thereby only change the piece and be difficult for deviating from in the groove that slides.

Preferably, a blind hole is formed in the bottom of the connecting hole, a pressure spring is arranged in the blind hole, and one end, far away from the bottom wall of the blind hole, of the pressure spring is connected with a positioning block; when the bearing shaft is inserted into the connecting hole, one side of the bearing shaft, which faces the bottom wall of the connecting hole, is abutted against the positioning block.

By adopting the technical scheme, the pressure spring is arranged in the blind hole, and the blind hole limits the pressure spring so that the pressure spring can axially extend and retract; the pressure spring is connected between locating piece and blind hole diapire, and the drive locating piece supports with the bearing axle that inserts in the connecting hole for the stopper supports tight spacing groove lateral wall, and the bearing axle is connected compacter with the inner wall of connecting hole, connects more stability.

Preferably, one side of the bearing shaft, which faces the positioning block, is provided with a positioning groove matched with the positioning block.

Through adopting above-mentioned technical scheme, load axle is equipped with the constant head tank with the locating piece adaptation towards locating piece one side, and the locating piece inserts in the constant head tank for the difficult relative load axle bottom wall of locating piece slides, and the locating piece is more stable to the effort of load axle.

Preferably, the positioning block and the positioning groove are both in a round table shape.

Through adopting above-mentioned technical scheme, locating piece and constant head tank are the round platform form to the cell wall of constant head tank plays the guide effect to the locating piece, makes the locating piece insert in the constant head tank more easily.

Preferably, an annular flange is arranged at the joint of the bearing shaft and the annular part, the annular surface of one side of the annular flange is abutted against the surface of the die body, and a yielding groove for the rotation stopping block to slide is formed in the annular flange; when the limiting block slides into the limiting groove, the abdicating groove is aligned with the sliding groove, and the protruding part is positioned in the abdicating groove.

Through adopting above-mentioned technical scheme, the surface of one side anchor ring of annular flange and mould body offsets to when the upset mould, the load that a part mould body brought is born to the part that annular flange and mould body offset, and the shearing force that the load axle received reduces, thereby the load axle is difficult to damage when the upset mould.

In summary, the present application has the following beneficial effects:

1. according to the installation structure, the limiting block is arranged on the bearing shaft, the limiting groove is formed in the inner wall of the connecting hole, the limiting block rotates to slide into the limiting groove, the rotation stopping block is inserted into the sliding groove, so that the bearing shaft is not prone to circumferential rotation, the limiting block is not prone to being separated from the limiting groove, the limiting groove keeps the bearing shaft axially limited, and therefore installation of the lifting ring and the die body is achieved;

2. at least two rows of limiting blocks are uniformly arranged in the circumferential direction of the bearing shaft, and at least two sides of the limiting blocks are axially arranged on the bearing shaft, so that the bearing shaft is more tightly connected with the inner wall of the connecting hole, the connecting structure is stronger, and the stress is more uniform;

3. this application has seted up a blind hole at the connecting hole diapire, sets up the pressure spring in the blind hole, and the pressure spring supports the bearing force axle through the locating piece for the stopper offsets with spacing groove lateral wall, thereby makes the bearing force axle inseparabler with the inner wall connection structure of connecting hole, connects more stably.

Drawings

Fig. 1 is an overall schematic diagram of an embodiment of the present application.

Fig. 2 is an exploded view of a flying ring according to an embodiment of the present application.

Fig. 3 is a schematic view of a connection hole according to an embodiment of the present application.

Fig. 4 is an enlarged view at a in fig. 2 of the embodiment of the present application.

Fig. 5 is a schematic sectional view of the bearing shaft of the embodiment of the application when being installed.

Description of reference numerals:

1. a mold body; 11. an upper die; 12. a lower die; 13. connecting holes; 131. a sliding groove; 132. a limiting groove; 133. blind holes; 2. a hoisting ring; 21. an annular portion; 22. a bearing shaft; 221. a limiting block; 2211. a guide surface; 222. positioning a groove; 223. a second opening; 23. an annular flange; 231. a yielding groove; 3. a pressure spring; 4. positioning blocks; 5. a rotation stopping block; 51. an abutting portion; 52. a projection; 521. a clamping groove; 53. a first opening; 6. a locking bolt; 7. and locking the nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-5 and the embodiments.

The embodiment of the application discloses a stamping die, and with reference to fig. 1 and 2, the stamping die comprises a die body 1 and a lifting ring 2. The die body 1 comprises an upper die 11 and a lower die 12 which are used for die assembly and stamping, a connecting hole 13 is formed in one side of the upper die 11 and/or the lower die 12, and the hanging ring 2 is installed in the connecting hole 13 to be used for a travelling crane to lift the die. Connecting holes 13 are formed in the upper sides of the upper die 11 and the lower die 12 in the embodiment, so that the lifting ring 2 can be conveniently mounted on the upper die 11 and the lower die 12 and can be carried by a crane.

Referring to fig. 2, the hanging ring 2 includes a ring portion 21 for hanging the crane and a bearing shaft 22 capable of being inserted into the connecting hole 13 to connect with the die body 1. At least two rows of limit blocks 221 are uniformly arranged on the circumferential side of the bearing shaft 22 in the circumferential direction, and meanwhile, multiple layers of limit blocks 221 are uniformly arranged on the bearing shaft 22 in the axial direction. In this embodiment, the limiting block 221 is specifically shown in a manner that two rows are circumferentially arranged and three layers are axially arranged.

Referring to fig. 2 and 3, a sliding groove 131 is formed in the inner wall of the connecting hole 13 along the axial direction of the connecting hole 13, and a limiting groove 132 corresponding to the limiting block 221 and communicated with the sliding groove 131 is formed in the inner wall of the connecting hole 13 along the circumferential direction of the connecting hole 13. The number of the sliding grooves 131 is the same as the number of the rows of the stoppers 221, and the number of the stopper grooves 132 is the same as the number of the stoppers 221.

When the bearing shaft 22 is inserted into the connecting hole 13, the limiting block 221 slides into the sliding groove 131; when the limiting block 221 is aligned with the notch of the limiting groove 132, the operator rotates the bearing shaft 22, so that the limiting block 221 slides into the limiting groove 132 to axially limit the bearing shaft 22, the bearing shaft 22 is not easy to be separated from the connecting hole 13 when bearing tensile force, and the installation of the hanging ring 2 is realized.

Referring to fig. 2 to 4, an arc-shaped guide surface 2211 is disposed at one end of the limiting block 221 facing the limiting groove 132, when the limiting block 221 slides into the limiting groove 132, the upper edge of the limiting groove 132 at the opening can abut against the guide surface 2211, so that the limiting block 221 can smoothly slide into the limiting groove 132, and the limiting block 221 can slide into the limiting groove 132 under the guide of the guide surface 2211, so as to facilitate the matching between the limiting block 221 and the limiting groove 132.

Referring to fig. 5, a blind hole 133 is formed in the bottom of the connecting hole 13, a pressure spring 3 is installed in the blind hole 133, one end, away from the bottom wall of the blind hole 133, of the pressure spring 3 is connected with a positioning block 4, and when the pressure spring 3 is in the original length, one side, away from the pressure spring 3, of the positioning block 4 is located outside the blind hole 133. When the bearing shaft 22 is inserted into the connecting hole 13, one side of the bearing shaft 22 facing the bottom wall of the connecting hole 13 is abutted against the positioning block 4 and presses the pressure spring 3. When the limiting block 221 rotates and slides into the limiting groove 132, the operator loosens the bearing shaft 22, and the pressure spring 3 rebounds to abut against the bearing shaft 22, so that the limiting block 221 abuts against the groove wall of the limiting groove 132, and the lifting ring 2 is more compact in overall structure and more stable in connection during installation.

Bearing shaft 22 offers the constant head tank 222 with the adaptation of locating piece 4 towards one side of connecting hole 13 diapire, and locating piece 4 can insert in the constant head tank 222 for locating piece 4 is difficult for taking place to slide when butt bearing shaft 22, thereby pressure spring 3's spring action is more stable. The positioning block 4 and the positioning groove 222 are both circular truncated cone-shaped, so that the positioning block 4 can be conveniently inserted into the positioning groove 222.

Referring to fig. 2 and 3, the stamping die further includes a rotation stopping block 5 for circumferentially limiting the hanging ring 2, and the rotation stopping block 5 is adapted to the sliding groove 131, that is, the rotation stopping block 5 can be inserted into the sliding groove 131 and abut against two opposite side walls of the sliding groove 131. When the limiting block 221 slides into the limiting groove 132, the rotation stopping block 5 can be slidably inserted into the sliding groove 131 so that the bearing shaft 22 is not easy to rotate relative to the connecting hole 13 to cause the limiting block 221 to be disengaged from the limiting groove 132. In this embodiment, the number of the rotation stopping blocks 5 is two, and the two rotation stopping blocks 5 are respectively inserted into the two sliding grooves 131 to circumferentially limit the bearing shaft 22.

It should be noted that, two rows of stoppers 221 on the circumferential side of the bearing shaft 22 correspond to the annular portion 21, so that when the stoppers 221 rotate and slide into the stopper grooves 132, the annular portion 21 and the sliding groove 131 are misaligned, and the rotation stopper 5 is not easily blocked by the annular portion 21 and is difficult to slide and insert into the sliding groove 131.

Wherein, the rotation stopping block 5 comprises an abutting part 51 and a projecting part 52, the abutting part 51 is inserted into the circumferential limit bearing shaft 22 in the sliding groove 131, and the projecting part 52 is positioned outside the sliding groove 131 so as to conveniently pull out the rotation stopping block 5 from the sliding groove 131. Specifically, the outer side of the protruding portion 52 is provided with a clamping groove 521, which facilitates the operator to apply force to pull the rotation stopping block 5 out of the sliding groove 131.

Referring to fig. 2 and 5, the suspension ring 2 further includes a locking bolt 6 for fixing the rotation stop 5 and a locking nut 7 engaged with the locking bolt 6. The protruding portion 52 is provided with a first opening 53, a second opening 223 is radially formed at the connection position of the bearing shaft 22 and the annular portion 21, and when the rotation stopping block 5 is inserted into the sliding groove 131, the first opening 53 and the second opening 223 are aligned. The locking bolt 6 may be simultaneously inserted into the first and second openings 53 and 223, and the locking nut 7 is screwed on an end of the locking bolt 6 remote from the bolt head to lock the locking bolt 6. Therefore, the rotation stopping block 5 is fixed on the bearing shaft 22, and simultaneously, the rotation stopping block 5 is axially fixed relative to the connecting hole 13, so that the rotation stopping block 5 is not easy to slip out relative to the sliding groove 131 and loses the circumferential limiting function on the bearing shaft 22.

Referring to fig. 2, an annular flange 23 is provided at the junction of the annular portion 21 and the force bearing shaft 22, and when the force bearing shaft 22 is inserted into the connection hole 13, one side ring surface of the annular flange 23 abuts against the surface of the mold body 1. When the bearing shaft 22 is subjected to radial acting force, the bearing shaft 22 has a tendency of bending, and because the annular flange 23 abuts against the die body 1 on one side of the annular flange 23, the annular flange 23 can offset a part of the radial stress of the bearing shaft 22, so that the structural strength is enhanced. In this embodiment, the annular portion 21, the force-bearing shaft 22, and the annular flange 23 are integrally cast.

Wherein, the annular flange 23 is provided with a receding groove 231 on the peripheral side, when the limiting block 221 rotates and slides into the limiting groove 132, the receding groove 231 aligns with the sliding groove 131, and the rotation stop block 5 is conveniently inserted into the sliding groove 131.

The implementation principle of the embodiment of the application is as follows:

when the hanging ring 2 is installed, an operator aligns the bearing shaft 22 with the connecting hole 13, the limiting block 221 is aligned with the sliding groove 131, the bearing shaft 22 is inserted into the connecting hole 13, and the limiting block 221 is inserted into the sliding groove 131. An operator presses the bearing shaft 22 to enable the pressure spring 3 to be in a compressed state, then the bearing shaft 22 is rotated to enable the limiting block 221 to slide into the limiting groove 132, the operator loosens the bearing shaft 22, and the limiting block 221 abuts against the groove wall of the limiting groove 132. Then, the operator slides the rotation stopping block 5 from the relief groove 231 into the sliding groove 131, and fixes the rotation stopping block 5 on the bearing shaft 22 by using the locking bolt 6 and the locking nut 7, thereby completing the installation of the hoist ring 2.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims (10)

1. A stamping die comprises a die body (1) and a lifting ring (2), wherein the lifting ring (2) comprises an annular part (21) and a bearing shaft (22) connected to the annular part (21), the die body (1) is provided with a connecting hole (13) for inserting the bearing shaft (22), and the stamping die is characterized by further comprising a rotation stopping block (5) for limiting the rotation of the lifting ring (2) relative to the connecting hole (13); at least two limit blocks (221) are uniformly arranged on the periphery of the bearing shaft (22), a sliding groove (131) for the limit blocks (221) to slide into is formed in the inner wall of the connecting hole (13) along the axial direction, a limit groove (132) for the limit blocks (221) to rotatably slide into is formed in the circumferential direction of the inner wall of the connecting hole (13), and the limit groove (132) is communicated with the sliding groove (131); the rotation stopping block (5) is matched with the sliding groove (131); when the hanging ring (2) is connected with the connecting hole (13), the limiting block (221) is located in the limiting groove (132), and the rotation stopping block (5) is inserted into at least one sliding groove (131).

2. A stamping die according to claim 1, characterized in that the bearing shaft (22) is provided with a plurality of layers of the stopper blocks (221) in the axial direction.

3. A stamping die according to claim 1, characterized in that one end of the stopper (221) is provided with a guide surface (2211) adapted to abut against a side of the stopper groove (132).

4. A press die as claimed in claim 1, wherein said rotation stop block (5) comprises an abutting portion (51) and a projecting portion (52), said abutting portion (51) being inserted in said slide groove (131) and abutting against a side wall of said slide groove (131) when said suspension ring (2) is connected to said connecting hole (13), said projecting portion (52) being located outside a notch of said slide groove (131).

5. The stamping die of claim 4, wherein the protrusion (52) defines a retaining groove (521).

6. A stamping die according to claim 4, wherein the lifting ring (2) further comprises a locking bolt (6) and a locking nut (7), the protrusion (52) is provided with a first opening (53), the bearing shaft (22) is radially provided with a second opening (223), and the locking bolt (6) is adapted to be simultaneously inserted into the first opening (53) and the second opening (223) and is in threaded connection with the locking nut (7).

7. The stamping die according to claim 1, wherein a blind hole (133) is formed at the bottom of the connecting hole (13), a pressure spring (3) is arranged in the blind hole (133), and one end of the pressure spring (3) far away from the bottom wall of the blind hole (133) is connected with a positioning block (4); when the bearing shaft (22) is inserted into the connecting hole (13), one side of the bearing shaft (22) facing the bottom wall of the connecting hole (13) is abutted against the positioning block (4).

8. The stamping die according to claim 7, wherein a positioning groove (222) adapted to the positioning block (4) is formed on one side of the bearing shaft (22) facing the positioning block (4).

9. The stamping die of claim 8, wherein the positioning block (4) and the positioning groove (222) are both truncated cone-shaped.

10. The stamping die according to claim 4, wherein an annular flange (23) is arranged at the joint of the bearing shaft (22) and the annular part (21), the annular surface of one side of the annular flange (23) is abutted against the surface of the die body (1), and an abdicating groove (231) for the rotation stopping block (5) to slide is formed in the annular flange (23); when the limiting block (221) slides into the limiting groove (132), the abdicating groove (231) is aligned with the sliding groove (131), and the protruding part (52) is positioned in the abdicating groove (231).

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