CN210755676U

CN210755676U - Discharging jig for mold insert

Info

Publication number: CN210755676U
Application number: CN201921186051.2U
Authority: CN
Inventors: 叶元革
Original assignee: Suzhou Yiyuan Precision Mould Co ltd
Current assignee: Suzhou Yiyuan Precision Mould Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-06-16
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses a mould goes into discharge jig of son uses in the discharge machining field, has solved when discharge machining, because the influence of point-to-point discharge for the sharp-pointed part of the corner of son produces the burr, has influenced the technical problem of the precision of son, and its technical scheme main points are: the mounting block is provided with a mounting hole for accommodating an insert, and the mounting hole is formed in the mounting block; the mounting block is detachably connected with a current-conducting plate, the current-conducting plate is provided with a profiling hole with the same shape as the opening of the cavity, one side of the current-conducting plate close to the mounting block is attached to the surface of the inlet, and the mounting block is provided with a positioning assembly for positioning the current-conducting plate; the technical effect who has is that adopt the current conducting plate and go into the son laminating for during discharge machining, the burr that point discharge produced shifts to the current conducting plate and deviates from one side of going into the son, thereby has guaranteed the precision of going into the son.

Description

Discharging jig for mold insert

Technical Field

The utility model relates to an electrical discharge machining field, in particular to mould goes into discharge jig of son.

Background

In the plastic mold, a core or a cavity part of the mold is made into an insert, so that the subsequent maintenance of the mold is facilitated, as shown in fig. 1, a cavity 24 is formed in the insert 23, a hanging table 25 is integrally formed at one end of the insert 23, which is far away from the cavity 24, and the cavity 24 in the insert 23 is difficult to machine by cutting, so that the insert 23 needs to be subjected to electric discharge machining.

The traditional discharge machining adopts a copper electrode to directly carry out discharge corrosion machining on the insert, although the insert can be machined by the discharge machining, the sharp-pointed part of the corner of the insert generates burrs due to the influence of point discharge during the discharge machining, and the precision of the insert is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mould goes into son's discharge jig, its advantage is that to adopt the current conducting plate and go into the son laminating for during discharge machining, the burr that the pointed end discharge produced shifts to the current conducting plate and deviates from into one side of son, thereby has guaranteed the precision of going into son.

The above technical purpose of the present invention can be achieved by the following technical solutions: a discharge jig of a mold insert comprises an installation block and an accommodating hole used for accommodating the insert, wherein the accommodating hole is formed in the installation block; the installation piece is last to dismantle and to be connected with the current conducting plate, be equipped with the profile modeling hole the same with die cavity opening shape on the current conducting plate, the current conducting plate is close to one side of installation piece and goes into the surface laminating, be equipped with the locating component who is used for fixing a position the current conducting plate on the installation piece.

By the technical scheme, the current in the discharge machining is guided to the current conducting plate by the current conducting plate, so that burrs generated by point discharge are transferred to the current conducting plate, burrs generated by the insert are avoided, and the precision of the insert is ensured; the contour hole is the same as the opening of the cavity, so that the current at the opening of the cavity can be better conducted to the current conducting plate, burrs are better prevented from being generated at the opening of the cavity, the processing of the electrode on the cavity is not influenced, and the accuracy of the insert is further improved; the current-conducting plate is detachably connected with the mounting block so as to be replaced after the current-conducting plate is excessively used and damaged; the locating component is used for accurately locating the current-conducting plate on the installation block, so that the relative position precision of the current-conducting plate and the installation block is improved, corners of the insert are attached to the current-conducting plate more accurately and tightly, and the precision of the network insert is improved better.

The utility model discloses further set up to: one side that the current conducting plate deviates from the installation piece is equipped with the bullport, bullport and profile modeling hole intercommunication, the inner wall of bullport sets up towards the one end of keeping away from the installation piece outwards slope.

Through the technical scheme, the caliber of the guide hole is gradually increased towards the direction away from the profiling hole, so that when the electrode is inserted into the cavity, the guide hole can guide the electrode to be accurately inserted into the cavity.

The utility model discloses further set up to: the mounting groove that is used for placing the platform of hanging is offered to one side that the installation piece deviates from the current conducting plate, mounting groove and accommodation hole intercommunication, the tank bottom of mounting groove is laminated with one side of hanging the platform towards the current conducting plate.

Through the technical scheme, the mounting table is matched with the mounting groove, so that the mounting block is limited in the position of the insert in the vertical direction after being mounted on the working platform of the spark machine, the insert is mounted more stably, and the machining precision of the insert is guaranteed.

The utility model discloses further set up to: the positioning assembly comprises a positioning hole formed in the mounting block and a positioning pin inserted in the positioning hole, and the current-conducting plate is provided with a matching hole matched with the positioning pin.

Through above-mentioned technical scheme, the locating pin runs through locating hole and mating holes to with the relative position locking of current conducting plate and mounting panel, better improvement the precision of the relative position of current conducting plate and mounting panel, the current conducting plate is higher with income son complex precision, and then has guaranteed the machining precision of income son.

The utility model discloses further set up to: the current-conducting plate is provided with a first fool-proof surface, and the installation block is provided with a second fool-proof surface.

Through the technical scheme, when the current-conducting plate is installed on the installation block, the current-conducting plate and the installation block are roughly matched in position through the first fool-proof surface and the second fool-proof surface, so that the installation efficiency of the current-conducting plate on the installation block is improved, and the installation error is well avoided.

The utility model discloses further set up to: the current-conducting plate is provided with a locking through hole, a locking bolt penetrates through the locking through hole, and the locking bolt is in threaded fit with the mounting block.

Through the technical scheme, the locking bolt penetrates through the locking through hole and is matched with the thread of the mounting block to firmly and stably lock the current-conducting plate on the mounting block, and when the current-conducting plate needs to be dismounted, the locking bolt only needs to be dismounted, so that the current-conducting plate is dismounted and mounted conveniently.

The utility model discloses further set up to: a sliding groove is formed in one side, facing the current conducting plate, of the mounting block, a locking block sliding in the horizontal direction is arranged in the sliding groove, a locking hole for the locking block to penetrate through is formed in the current conducting plate, a pressing block is arranged at one end, far away from the mounting block, of the locking block, and one side, facing the mounting block, of the pressing block is attached to the current conducting plate; the anti-falling plate is arranged at the notch of the sliding groove and arranged along the length direction of the sliding groove, the locking block is provided with the anti-falling groove, and the anti-falling plate is inserted in the anti-falling groove.

Through the technical scheme, the locking block is slid, so that the pressing block is pressed on the current-conducting plate, and the current-conducting plate can be firmly installed on the installation block; when the locking block is disassembled, the locking block slides in the opposite direction, so that the current-conducting plate can be taken down, and the disassembly and the installation of the current-conducting plate are both convenient. The anti-falling plate is inserted in the anti-falling groove, so that the sliding block slides along the length direction of the sliding groove more stably, and the current-conducting plate is pressed on the mounting block more stably.

The utility model discloses further set up to: a compression spring for driving the locking block to slide towards the direction of the pressing block is arranged in the sliding groove; one end of the compression spring is abutted against the locking block, and the other end of the compression spring is abutted against the inner wall of the sliding groove.

Through the technical scheme, the compression spring is used for pushing the locking block to slide, so that the pressing block slides towards the direction attached to the surface of the current-conducting plate or the trend of sliding is generated; thereby guaranteed that the compact heap can be more stable compress tightly the current conducting plate to the installation piece on.

The utility model discloses further set up to: the pressing block is provided with a guide surface, and the guide surface is obliquely arranged towards the direction away from the locking block and close to the mounting block.

Through above-mentioned technical scheme, the guide face is arranged in the guide compact heap inserts and establishes the lockhole for installation conducting plate is more convenient.

To sum up, the utility model discloses following beneficial effect has:

1. the current conducting plate is attached to the insert, so that current can be well conducted to the current conducting plate, the situation that burrs are generated due to point discharge is transferred to the current conducting plate, and the machining precision of the insert is guaranteed;

2. the locating pin runs through locating hole and mating holes, the better cooperation precision that has improved current conducting plate and installation piece to the machining precision of income son has been guaranteed.

Drawings

FIG. 1 is a schematic structural view of an insert;

FIG. 2 is an overall configuration diagram of embodiment 1;

FIG. 3 is a schematic structural view showing a fitting relationship between a hanging table and a mounting groove in embodiment 1;

FIG. 4 is a schematic structural view of a positioning assembly of embodiment 1;

FIG. 5 is a schematic structural view showing the fitting relationship between the locking blocks and the sliding grooves in embodiment 2;

fig. 6 is a schematic structural view of an exploded state of embodiment 2.

Reference numerals: 1. mounting blocks; 2. an accommodation hole; 3. a conductive plate; 4. profiling a hole; 5. a positioning assembly; 6. a guide hole; 7. mounting grooves; 8. positioning holes; 9. positioning pins; 10. a mating hole; 11. a first fool-proof surface; 12. a second fool-proof surface; 13. locking the through hole; 14. locking the bolt; 15. a sliding groove; 16. a locking block; 17. a lock hole; 18. a compression block; 19. a falling prevention plate; 20. preventing the groove from falling; 21. a compression spring; 22. a guide surface; 23. inserting seeds; 24. a cavity; 25. and (7) hanging the table.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 2 and 3, the discharge jig of the mold insert comprises a mounting block 1 and an accommodating hole 2 formed in the mounting block 1, wherein the accommodating hole 2 is used for accommodating the insert 23, and the inner wall of the accommodating hole 2 is attached to the outer side wall of the insert 23; the mounting block 1 is provided with a mounting groove 7, the mounting groove 7 is communicated with the accommodating hole 2, after the insert 23 is inserted into the accommodating hole 2, the hanging table 25 is placed in the mounting groove 7, and one side of the hanging table 25 facing the cavity 24 is attached to the bottom surface of the mounting groove 7; when the mounting block 1 is clamped, the insert 23 is inserted into the accommodating hole 2, then the mounting block 1 is clamped on a working platform of the electric spark machine, and at the moment, one side of the hanging table 25 departing from the mounting block 1 is attached to the working platform, so that the clamping of the insert 23 is more stable.

Referring to fig. 3, a conductive plate 3 is detachably connected to one side of the mounting block 1 away from the mounting groove 7, a profiling hole 4 with the same shape as the opening of the cavity 24 is formed in the conductive plate 3, one side of the conductive plate 3 is attached to the surface of the insert 23, and the inner wall of the profiling hole 4 is flush with the inner wall of the cavity 24; the current-conducting plate 3 is provided with a guide hole 6 communicated with the profiling hole 4, and the inner wall of the guide hole 6 is inclined outwards towards one side far away from the installation block 1.

Referring to fig. 4, the mounting block 1 is provided with a positioning assembly 5 for positioning the conductive plate 3, the positioning assembly 5 includes a positioning hole 8 formed in the mounting block 1 and a positioning pin 9 inserted into the positioning hole 8, the positioning hole 8 and the positioning pin 9 are uniformly distributed on the mounting block 1 in two numbers, and the conductive plate 3 is provided with two mating holes 10 matched with the positioning pin 9 in two numbers.

Referring to fig. 2, the current conducting plate 3 and the installation block 1 are integrally rectangular, a first fool-proof surface 11 is arranged at one corner of the current conducting plate 3, a second fool-proof surface 12 is arranged at one corner of the installation block 1, when the current conducting plate 3 is installed, the current conducting plate 3 and the installation block 1 can be accurately installed when the first fool-proof surface 11 is parallel to the second fool-proof surface 12, and therefore the installation accuracy of the current conducting plate 3 and the installation block 1 is guaranteed.

Referring to fig. 4, the conductive plate 3 is provided with four locking through holes 13, four locking bolts 14 penetrate through the locking through holes 13, the locking bolts 14 are in threaded fit with the mounting block 1, and the locking through holes 13 and the locking bolts 14 are uniformly distributed on the conductive plate 3.

The installation process briefly describes:

1. firstly, aligning a positioning hole 8 and a matching hole 10 on a current-conducting plate 3, enabling a first fool-proof surface 11 to be parallel to a second fool-proof surface 12, and then penetrating a positioning pin 9 through the positioning hole 8 and the matching hole 10;

2. then, a locking bolt 14 is arranged in the locking through hole 13 in a penetrating mode, and the locking bolt 14 is in threaded connection with the mounting seat;

3. and then the insert 23 is inserted into the accommodating hole 2, the insert 23 is attached to the conductive plate 3, and finally the mounting block 1 is mounted on a working platform of the electric spark machine.

Example 2:

referring to fig. 5 and 6, a discharging jig for a mold insert is different from embodiment 1 in that a sliding groove 15 is formed in one side of an installation block 1 facing a conductive plate 3, a locking block 16 is connected in the sliding groove 15 in a sliding manner, and four locking blocks 16 and four sliding grooves 15 are uniformly distributed on the installation block 1; the setting of sliding along the horizontal direction is followed to latch segment 16, and the notch department in groove 15 that slides is fixed with prevents falling board 19, prevents falling board 19 and extends towards the intermediate position in groove 15 notch that slides, offers on the latch segment 16 with prevent falling board 19 complex prevent falling groove 20, prevent falling board 19 and insert and establish in preventing falling groove 20. The current-conducting plate 3 is provided with a lock hole 17, one end of the locking block 16 extends out of the sliding groove 15 and penetrates through the lock hole 17, one end of the locking block 16 extending out of the sliding groove 15 is integrally formed with a pressing block 18, and one side, facing the mounting block 1, of the pressing block 18 is attached to the current-conducting plate 3.

Referring to fig. 5 and 6, a compression spring 21 is disposed in the sliding slot 15, and the compression spring 21 is used for driving the locking block 16 to slide towards the pressing block 18; one end of the compression spring 21 abuts against the locking block 16, and the other end abuts against the inner wall of the slide groove 15. The end of the holding-down block 18 remote from the mounting block 1 is provided with a guide surface 22, which guide surface 22 is inclined in a direction away from the locking block 16 and towards the mounting block 1.

The process of mounting the conductive plate 3 to the mounting block 1 is briefly described:

1. firstly, a first fool-proof surface 11 and a second fool-proof surface 12 on a current-conducting plate 3 are placed in parallel;

2. the locking block 16 is aligned with the locking hole 17 and then the conductive plate 3 is pressed with the orifice of the locking hole 17 in abutment with the guide surface 22;

3. continuing to press the conductive plate 3, the locking block 16 slides towards the direction far away from the pressing block 18;

4. when one side of the pressing block 18 facing the mounting block 1 is flush with the side of the current-conducting plate 3 facing away from the mounting block 1, the compression spring 21 drives the locking block 16 to slide towards the mounting block 1, so that the current-conducting plate 3 is pressed on the mounting block 1;

5. the positioning pins 9 are then inserted into the positioning holes 8 and the fitting holes 10, further locking the relative positions of the conductive plate 3 and the mounting block 1.

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

Claims

1. The discharge jig of the mold insert comprises a mounting block (1) and a containing hole (2) for containing an insert (23), wherein the containing hole (2) is formed in the mounting block (1);

the installation block is characterized in that the installation block (1) is detachably connected with a conductive plate (3), a profiling hole (4) which is the same as the opening shape of the cavity (24) is formed in the conductive plate (3), one side, close to the installation block (1), of the conductive plate (3) is attached to the surface of the insert (23), and a positioning assembly (5) used for positioning the conductive plate (3) is arranged on the installation block (1).

2. The discharging jig of the mold insert according to claim 1, wherein a guide hole (6) is formed in one side of the conductive plate (3) facing away from the mounting block (1), the guide hole (6) is communicated with the profiling hole (4), and an inner wall of the guide hole (6) is inclined outwards towards one end away from the mounting block (1).

3. The discharging jig of the mold insert according to claim 1, wherein a mounting groove (7) for placing a hanging table (25) is formed in one side of the mounting block (1) away from the conductive plate (3), the mounting groove (7) is communicated with the accommodating hole (2), and the bottom of the mounting groove (7) is attached to one side, facing the conductive plate (3), of the hanging table (25).

4. The discharging jig of the mold insert according to claim 1, wherein the positioning assembly (5) comprises a positioning hole (8) formed in the mounting block (1) and a positioning pin (9) inserted into the positioning hole (8), and the conductive plate (3) is formed with a fitting hole (10) fitted with the positioning pin (9).

5. The discharging jig of the mold insert according to claim 1, wherein the conductive plate (3) is provided with a first fool-proof surface (11), and the mounting block (1) is provided with a second fool-proof surface (12).

6. The discharging jig of the mold insert according to claim 1, wherein the conductive plate (3) is provided with a locking through hole (13), a locking bolt (14) penetrates through the locking through hole (13), and the locking bolt (14) is in threaded fit with the mounting block (1).

7. The discharging jig of the mold insert according to claim 1, wherein a sliding groove (15) is formed in one side, facing the conducting plate (3), of the mounting block (1), a locking block (16) which slides in the horizontal direction is arranged in the sliding groove (15), a locking hole (17) through which the locking block (16) passes is formed in the conducting plate (3), a pressing block (18) is arranged at one end, far away from the mounting block (1), of the locking block (16), and one side, facing the mounting block (1), of the pressing block (18) is attached to the conducting plate (3).

8. The discharge jig of the mold insert according to claim 7, wherein the sliding groove (15) is provided with a compression spring (21) for driving the locking block (16) to slide towards the pressing block (18); one end of the compression spring (21) is abutted with the locking block (16), and the other end of the compression spring is abutted with the inner wall of the sliding groove (15).

9. The jig for discharging a mold insert according to claim 8, wherein the pressing block (18) is provided with a guide surface (22), and the guide surface (22) is inclined in a direction away from the locking block (16) and close to the mounting block (1).