CN216397959U

CN216397959U - Mold convenient for replacing insert pin

Info

Publication number: CN216397959U
Application number: CN202122726687.5U
Authority: CN
Inventors: 石义勇
Original assignee: Zhuhai Sanrui Precision Technology Co ltd
Current assignee: Zhuhai Sanrui Precision Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-29
Anticipated expiration: 2031-11-08

Abstract

The utility model provides a die convenient for replacing an insert pin, which comprises an upper die frame, an upper die core, a lower die frame, an insert pin, a fixing piece, a connecting piece and a plugging piece, wherein the upper die core is arranged on the upper die frame; the first end of the fixing piece is provided with a threaded hole, the plugging piece is positioned above the fixing piece and plugs the threaded hole, the second end of the fixing piece is provided with a mounting groove, and the mounting groove penetrates through the fixing piece along the direction vertical to the mold opening direction; the one end of inlaying the needle is provided with the connector, and the connector setting can slide along the extending direction of mounting groove in the mounting groove, and in the die sinking direction, inlay needle and mounting inseparable, the other end of inlaying the needle runs through the lower mould benevolence of upper mould benevolence and extends. The utility model can quickly replace the insert pin without disassembling the die, thereby being beneficial to improving the production efficiency.

Description

Mold convenient for replacing insert pin

Technical Field

The utility model relates to the field of die-casting dies, in particular to a die with an insert pin convenient to replace.

Background

When a die-casting die is used for producing a product, an insert pin is usually adopted to extend into a die cavity so as to assist in forming the detailed structure of the product. The insert pin is a vulnerable part and is easy to be frequently replaced due to damage in the mass production process. Traditional inlay needle and fix on mould benevolence, during the change, need dismantle the mould from the board, then tear the mould open and just can change and inlay the needle, this kind of replacement method is consuming time and is used up power, is unfavorable for improving production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a die which can replace an insert pin without disassembling the die.

In order to achieve the purpose, the utility model provides a die convenient for replacing an insert pin, which comprises an upper die frame, an upper die core, a lower die core and a lower die frame, wherein the upper die core is arranged on the upper die frame, the lower die core is arranged on the lower die frame, the upper die core is matched and connected with the lower die core, the die also comprises an insert pin, a fixing piece, a connecting piece and a plugging piece, the upper die frame is provided with a vertical groove and a transverse groove which are mutually communicated, the vertical groove extends along the die opening direction, the fixing piece is detachably arranged in the vertical groove, and the plugging piece is detachably arranged in the transverse groove through the connecting piece; the first end of the fixing piece is provided with a threaded hole, the plugging piece is positioned above the fixing piece and plugs the threaded hole, the second end of the fixing piece is provided with a mounting groove, and the mounting groove penetrates through the fixing piece along the radial direction of the fixing piece; the one end of inlaying the needle is provided with the connector, and the connector setting is in the mounting groove, and in the die sinking direction, inlay needle and mounting inseparable, inlay the needle and can follow the mounting and go up the mould benevolence along the die sinking direction relatively and remove, and the other end of inlaying the needle runs through and goes up mould benevolence and extend to lower mould benevolence.

According to the scheme, the fixing piece and the insert pin are not separable in the mold opening direction, when needed, the blocking piece can be detached firstly, then the blocking piece is fixedly connected with the fixing piece through a screw, and then the fixing piece and the insert pin can be pulled out upwards at the same time, so that the insert pin can be detached quickly; through setting up mounting groove and connector, the realization is inlayed the needle and can be dismantled with the mounting and be connected, makes things convenient for quick replacement to inlay the needle. The utility model does not need to disassemble the die when replacing the insert pin, has the advantages of time saving and labor saving, and is beneficial to improving the production efficiency.

The mounting groove is a T-shaped groove and comprises a first groove section and a second groove section, and the second groove section is communicated with the first groove section; on the cross section of mounting groove, the width of first groove section is greater than the width of second groove section, is provided with the step face between first groove section and the second groove section.

The further scheme is that the connector is set to be in a round table shape, the connector is fixedly connected with the end part of the insert pin, the connector is detachably arranged in the first groove section and is abutted against the step surface, and the insert pin penetrates out of the second groove section.

The further scheme is that one side of the upper mold core close to the upper mold base is provided with a first through hole, one side of the upper mold core close to the lower mold core is provided with a second through hole, the first through hole and the second through hole are coaxially arranged and are communicated with each other, the diameter of the first through hole is larger than that of the second through hole, the middle part of the insert pin is inserted into the first through hole and the second through hole, and the gap between the insert pin and the first through hole is larger than the gap between the insert pin and the second through hole.

Drawings

FIG. 1 is a cross-sectional view of an upper die in an embodiment of the present invention.

Fig. 2 is a structural view of a fixing member in the embodiment of the present invention.

FIG. 3 is a structural view of the insert pin in the embodiment of the present invention.

The utility model is further explained with reference to the drawings and the embodiments.

Detailed Description

Referring to fig. 1 to 3, the mold for conveniently replacing the insert pin according to the present embodiment includes an upper mold frame 1, an upper mold core 2, a lower mold core (not shown in the drawings), and a lower mold frame (not shown in the drawings), wherein the upper mold core 2 is disposed on the upper mold frame 1, the lower mold core is disposed on the lower mold frame, the upper mold core 2 is connected to the lower mold core in a matching manner, and a mold cavity (not shown in the drawings) is formed between the upper mold core 2 and the lower mold core.

The mould further comprises an insert pin 3, a fixing piece 4, a connecting piece 5 and a blocking piece 6. Go up die carrier 1 and seted up perpendicular groove 11 and horizontal groove 12, perpendicular groove 11 extends along the die sinking direction, and horizontal groove 12 sets up perpendicularly in the top of erecting groove 11, and horizontal groove 12 and perpendicular groove 11 intercommunication. The fixing member 4 is detachably disposed in the vertical groove 11, and the top of the fixing member 4 is slightly lower than the bottom of the horizontal groove 12. The plugging piece 6 is detachably arranged in the transverse groove 12 through the connecting piece 5, and the plugging piece 6 is used for limiting the upward separation of the fixing piece 4 from the upper die carrier 1.

The fixing piece 4 is set to be cylindrical, a threaded hole 41 is formed in the first end of the fixing piece 4, and the threaded hole 41 extends along the axial direction of the fixing piece 4 and is used for being fixedly connected with a screw rod of an external device so as to rapidly draw out and install the fixing piece 4. The blocking piece 6 is positioned above the fixing piece 4 and blocks the threaded hole 41.

The second end of the fixing member 4 is provided with a mounting groove 42, and the mounting groove 42 penetrates through the fixing member 4 along the radial direction of the fixing member 4. One end of the insert pin 3 is provided with a connector 31, the connector 31 is arranged in the mounting groove 42 and can slide along the extending direction of the mounting groove 42, and the insert pin 3 and the fixing part 4 can be detachably connected. In the mould opening direction, inlay needle 3 and inseparable with mounting 4, realize inlaying needle 3 and mounting 4 fixed connection, when the staff takes out from last die carrier 1 from mounting 4, inlay needle 3 and can follow mounting 4 and move 2 of mould benevolence relatively together, realize inlaying quick dismantlement of needle 3.

The other end of the insert pin 3 penetrates through the upper mold core 2 and extends towards the lower mold core, one end of the insert pin 3 facing the lower mold core is provided with a modeling head 32, and the modeling head 32 extends into the mold cavity.

Further, the mounting groove 42 is a "T" shaped groove, the mounting groove 42 includes a first groove section 421 and a second groove section 422, the first groove section 421 extends along the radial direction of the fixing member 4, the second groove section 422 extends along the axial direction of the fixing member 4, and the second groove section 422 is communicated with the middle of the first groove section 421. On the cross section of the mounting groove 42, the width of the first groove section 421 is greater than the width of the second groove section 422, and a step surface 423 is arranged between the first groove section 421 and the second groove section 422.

The connector 31 is designed to be in a truncated cone shape, the connector 31 is perpendicular to the axial direction of the insert pin 3, the middle of the connector 31 is fixedly connected with the end of the insert pin 3, the connector 31 is arranged in the first groove section 421 and is abutted against the step surface 423 to play a role in limiting the separation of the connector 31 and the mounting groove 42, and the insert pin 3 penetrates out of the second groove section 422.

Furthermore, a first through hole 21 is formed in one side, close to the upper die frame 1, of the upper die core 2, a second through hole 22 is formed in one side, close to the lower die core, of the upper die core 2, the first through hole 21 and the second through hole 22 both extend in the die opening direction, and the first through hole 21 and the second through hole 22 are coaxially arranged and are communicated with each other. The insert pin 3 is inserted in the first through hole 21 and the second through hole 22, the diameter of the first through hole 21 is larger than that of the second through hole 22, namely, the gap between the insert pin 3 and the first through hole 21 is larger than that between the insert pin 3 and the second through hole 22, so that the friction between the wall of the through hole and the insert pin 3 is reduced when the insert pin 3 is drawn out and installed, and the drawing-out and installing speed is improved.

In summary, the fixing piece and the insert pin are not separable in the mold opening direction, when needed, the blocking piece can be detached firstly, then the blocking piece is fixedly connected with the fixing piece through a screw, and then the fixing piece and the insert pin can be pulled out upwards at the same time, so that the insert pin can be detached quickly; through setting up mounting groove and connector, the realization is inlayed the needle and can be dismantled with the mounting and be connected, makes things convenient for quick replacement to inlay the needle. The utility model does not need to disassemble the die when replacing the insert pin, has the advantages of time saving and labor saving, and is beneficial to improving the production efficiency.

Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, not limitations, and various changes and modifications may be made by those skilled in the art, without departing from the spirit and scope of the utility model, and any changes, equivalents, improvements, etc. made within the spirit and scope of the present invention are intended to be embraced therein.

Claims

1. The utility model provides a conveniently change mould of inlaying needle, includes die carrier, last mould benevolence, lower mould benevolence and lower die carrier, it sets up to go up mould benevolence on the die carrier, lower mould benevolence sets up down on the die carrier, go up mould benevolence with the cooperation of lower mould benevolence is connected its characterized in that:

the die also comprises an insert pin, a fixing piece, a connecting piece and a plugging piece, wherein the upper die frame is provided with a vertical groove and a transverse groove which are communicated with each other, the vertical groove extends along the die opening direction, the fixing piece is detachably arranged in the vertical groove, and the plugging piece is detachably arranged in the transverse groove through the connecting piece;

the first end of the fixing piece is provided with a threaded hole, the blocking piece is positioned above the fixing piece and blocks the threaded hole, the second end of the fixing piece is provided with a mounting groove, and the mounting groove penetrates through the fixing piece along the radial direction of the fixing piece;

inlay the one end of needle and be provided with the connector, the connector sets up in the mounting groove, in the die sinking direction, inlay the needle with the mounting can inseparable, it can follow to inlay the needle the mounting is relative along the die sinking direction go up mould benevolence and remove, the other end of inlaying the needle runs through go up mould benevolence to the lower mould benevolence extends.

2. The mold of claim 1, wherein:

the mounting groove is a T-shaped groove and comprises a first groove section and a second groove section, and the second groove section is communicated with the first groove section;

on the cross section of the mounting groove, the width of the first groove section is larger than that of the second groove section, and a step surface is arranged between the first groove section and the second groove section.

3. The mold of claim 2, wherein:

the connector is set to be in a round table shape, the connector is fixedly connected with the end part of the insert pin, the connector is arranged in the first groove section and abutted against the step surface, and the insert pin penetrates out of the second groove section.

4. A mold according to any one of claims 1 to 3, wherein:

the mold comprises an upper mold core, a lower mold core and an insert needle, wherein one side of the upper mold core, which is close to the upper mold base, is provided with a first through hole, one side of the upper mold core, which is close to the upper mold base, is provided with a second through hole, the first through hole and the second through hole are coaxially arranged and are mutually communicated, the diameter of the first through hole is larger than that of the second through hole, the middle part of the insert needle is inserted into the first through hole and the second through hole, and the gap between the insert needle and the first through hole is larger than that between the insert needle and the second through hole.