CN220242222U - Mould convenient to change mold core - Google Patents

Abstract

The utility model discloses a die convenient for replacing a die core, which is characterized in that an upper die plate is separated from a lower die plate, the upper die plate drives a pressing block and an inclined guide post to be far away from the lower die plate, the inclined guide post is separated from a guide hole of a sliding block, the pressing block and the inclined guide post loosen the limit on the sliding block, the sliding block slides away from the lower die core, the sliding block drives a pushing block to move, the pushing block loosens the limit on an upper die insert and the upper die core, and finally an upper die locking screw is screwed, so that the upper die core and/or the upper die insert can be taken down for replacement; and the lower mold core and/or the lower mold insert can be removed for replacement by screwing the lower mold locking screw. This mould convenient to change mold core is through setting up briquetting, slider, ejector pad and oblique guide pillar mutually supporting and is fixed a position the locking to last mold core and lower mold core from both sides, has simplified the mounting structure of last mold core and lower mold core to it is more convenient to make the change mold core, improves mold core change efficiency, finally reaches the beneficial effect that improves production efficiency.

Description

Mould convenient to change mold core

Technical Field

The utility model relates to the technical field of dies, and particularly discloses a die with a die core convenient to replace.

Background

With the development of society, the die is applied to various industries, and most of the current dies generally comprise an upper die base, a lower die base and a guide postThe die comprises an inner die structure, a die frame, a die core, a die sleeve, a spring and the like, wherein the inner die structure and the die frame form an integral die structure. In general, the internal mold structure and the mold frame are fixed together, i.e. one set of internal mold structure corresponds to one set of mold frame, and when processing different products, the mold core and the mold frame usually need to be replaced together. However, the mold design and manufacturing cycle is long, costly, bulky and heavy, and the entire set of replacement wastes resources _， Thus, a mold with a replaceable mold core is designed. However, in order to ensure the precision of the mold, the replaceable mold core is installed in the mold frame and needs to be positioned and locked in multiple directions, so that the installation structure of the mold core is complex, the mold core is inconvenient to replace, and the production efficiency is affected.

Disclosure of Invention

In order to overcome the defects and the shortcomings in the prior art, the utility model aims to provide the die with the die core convenient to replace, the die core is simple in mounting structure and convenient to replace, and the production efficiency is improved.

In order to achieve the above purpose, the die convenient for replacing the die core comprises an upper die plate, an upper die core, an upper die insert, a lower die plate, a lower die core and a lower die insert, wherein the upper die plate is provided with a first cavity, the upper die core is installed in the first cavity and locked by an upper die locking screw, the upper die core is provided with a first installation hole, the upper die insert is installed in the first installation hole, the lower die plate is provided with a second cavity and two sliding grooves, the two sliding grooves are respectively positioned at two sides of the second cavity and communicated with the second cavity, the lower die core is installed in the second cavity and locked by a lower die locking screw, the lower die core is provided with a second installation hole, and the lower die insert is installed in the second installation hole; also comprises two pressing blocks, two sliding blocks, two pushing blocks and two inclined guide posts,

the two pressing blocks are respectively arranged on the upper die plate and positioned on two sides of the first cavity, the two pressing blocks respectively support against two sides of the upper die core and are used for limiting by the two sliding blocks, and the two pressing blocks are provided with limiting holes;

the two sliding blocks are respectively and slidably arranged in the two sliding grooves, the two sliding blocks are respectively provided with inclined guide holes, the guide holes are communicated with the limiting holes, and the two sliding blocks respectively prop against two sides of the lower mold core;

the two pushing blocks are respectively connected with the two sliding blocks in a one-to-one correspondence manner, and the two pushing blocks respectively support against the upper die insert and the lower die insert from two sides;

one end of the inclined guide post is arranged in the limit hole of the pressing block, and the other end of the inclined guide post is inserted into the guide hole.

Specifically, the briquetting includes first pressure face, first inclined plane and location portion, and first pressure face supports the side of contact mold core, and first inclined plane is parallel with the axis of guiding hole, and first inclined plane is used for spacing the slider, and location portion downward bulge sets up in the briquetting bottom.

Specifically, the lower die plate is also provided with two positioning grooves which are formed by downwards concavely arranging the bottom groove walls of the two sliding grooves respectively, and the positioning grooves are used for accommodating the setting position parts.

Specifically, the sliding block comprises a second pressing surface and a second inclined surface, the second pressing surface is in abutting contact with the side surface of the lower die core, and the second inclined surface is parallel to the first inclined surface.

Specifically, the briquetting is provided with the guide block, and the guide block inlays and sets up in first inclined plane and surface and first inclined plane parallel and level, and the guide block supports the second inclined plane of contact slider.

Specifically, the lower die plate is also provided with two abdication grooves which are respectively formed by downwards concavely arranging the bottom groove walls of the two sliding grooves.

Specifically, still include two blocks of stepping down, two blocks of stepping down are installed respectively in two grooves of stepping down, let the top surface of block of stepping down and the bottom slot wall parallel and level of spout, the block of stepping down be provided with the hole of stepping down of spacing hole intercommunication.

Specifically, the lower die plate is also provided with four limit grooves, and the four limit grooves are respectively formed by outwards concavely arranging two side groove walls of the two slide grooves.

Specifically, the sliding track limiting device further comprises four limiting blocks, wherein the four limiting blocks are respectively arranged in the four limiting grooves and are respectively used for limiting the two sliding blocks to limit the sliding track of the sliding blocks.

Specifically, still include runner seat and backing plate, runner seat installs in the cope match-plate pattern and with last mould insert pressure hold in the first mounting hole of last mold core, the backing plate is installed in the lower bolster and with lower mould insert pressure hold in the second mounting hole of lower mold core.

The utility model has the beneficial effects that: according to the die convenient for replacing the die core, the upper die core and the lower die core are positioned and locked from two sides by arranging the pressing block, the sliding block, the pushing block and the inclined guide post to be matched with each other. When the upper mold core and/or the upper mold insert are replaced, the upper mold plate is separated from the lower mold plate, the upper mold plate drives the pressing block and the inclined guide pillar to be far away from the lower mold plate, the inclined guide pillar is separated from the guide hole of the sliding block, the pressing block and the inclined guide pillar loosen the limit on the sliding block, the sliding block slides away from the lower mold core, the sliding block drives the pushing block to move, the pushing block loosens the limit on the upper mold insert and the upper mold core, and finally the upper mold locking screw is screwed, so that the upper mold core and/or the upper mold insert can be removed for replacement; when the lower mold core and/or the lower mold insert are replaced, after the steps are finished, the lower mold locking screw is screwed finally, and the lower mold core and/or the lower mold insert can be removed for replacement. This mould convenient to change mold core is through setting up briquetting, slider, ejector pad and oblique guide pillar mutually supporting and is fixed a position the locking to last mold core and lower mold core from both sides, has simplified the mounting structure of last mold core and lower mold core to it is more convenient to make the change mold core, improves mold core change efficiency, finally reaches the beneficial effect that improves production efficiency.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic diagram of an exploded construction of the present utility model;

FIG. 3 is a schematic view of the partial structure of the A in FIG. 1 according to the present utility model;

FIG. 4 is a schematic perspective view of an upper mold plate according to the present utility model;

FIG. 5 is a schematic perspective view of a briquette according to the present utility model;

fig. 6 is a schematic perspective view of a slider according to the present utility model.

The reference numerals include:

11-upper template 12-upper mold core 13-upper mold insert

14-upper locking screw 15-pressing block 16-inclined guide post

17-guide block 18-runner seat 19-gate seat

21-lower die plate 22-lower die core 23-lower die insert

24-lower locking screw 25-sliding block 26-pushing block

27-abdication block 28-limiting block 29-backing plate

111-first cavity 121-first mounting hole 151-limit hole

152-first press face 153-first inclined face 154-positioning portion

211-second cavity 212-chute 213-positioning slot

214-abdication groove 215-limit groove 221-second mounting hole

251-guide hole 252-second pressing surface 253-second inclined surface

271-relief holes.

Detailed Description

The present utility model will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.

Referring to fig. 1 to 6, a mold with a mold core convenient to replace according to the present utility model includes an upper mold plate 11, an upper mold core 12, an upper mold insert 13, a lower mold plate 21, a lower mold core 22 and a lower mold insert 23, wherein the upper mold plate 11 and the lower mold plate 21 are movably connected through a guide post, the upper mold plate 11 is provided with a first cavity 111, the upper mold core 12 is installed in the first cavity 111 and is locked by an upper mold locking screw 14, the upper mold core 12 is provided with a first installation hole 121, the upper mold insert 13 is installed in the first installation hole 121, the lower mold plate 21 is provided with a second cavity 211 and two sliding grooves 212, the two sliding grooves 212 are respectively located at two sides of the second cavity 211 and are communicated with the second cavity 211, the lower mold core 22 is installed in the second cavity 211 and is locked by a lower mold locking screw 24, the lower mold core 22 is provided with a second installation hole 221, and the lower mold insert 23 is installed in the second installation hole 221; the same side wall of the first mounting hole 121 and the second mounting hole 221 are provided with side grooves, the upper die insert 13 and the lower die insert 23 are provided with side steps, and the steps are accommodated in the side grooves, so that the upper die insert 13 is limited in the first mounting hole 121, and the lower die insert 23 is limited in the second mounting hole 221; when the mold is closed, the upper mold insert 13 is matched with the lower mold insert 23 in a concave-convex manner, and a containing groove is arranged between the upper mold core 12 and the lower mold core 22.

The die comprises a die body and is characterized by further comprising two pressing blocks 15, two sliding blocks 25, two pushing blocks 26 and two inclined guide columns 16, wherein the two pressing blocks 15 are respectively arranged on the upper die plate 11 and positioned on two sides of a first cavity 111, the two pressing blocks 15 respectively prop against two sides of an upper die core 12 to lock the upper die core 12 and are used for limiting the two sliding blocks 25, the two pressing blocks 15 are respectively provided with a limiting hole 151, the axes of the two limiting holes 151 are obliquely arranged outwards from top to bottom, and the pressing blocks 15 and the sliding blocks 25 can slide relatively along the axial direction of the limiting holes 151 during die opening;

the two sliding blocks 25 are respectively and slidably arranged in the two sliding grooves 212, the two sliding blocks 25 are respectively provided with inclined guide holes 251, the guide holes 251 are communicated with the limiting holes 151, the axes of the guide holes 251 and the axes of the limiting holes 151 are on the same straight line, and the two sliding blocks 25 respectively prop against two sides of the lower mold core 22 to lock the lower mold core 22;

the two push blocks 26 are respectively connected with the two sliding blocks 25 in a one-to-one correspondence manner through screws, the two push blocks 26 respectively enter into the accommodating grooves between the upper mold core 12 and the lower mold core 22 from two sides, then respectively prop against the upper mold insert 13 and the lower mold insert 23 from two sides to lock the upper mold insert 13 and the lower mold insert 23, in addition, the top surface of the push block 26 props against the upper mold core 12 to limit the downward movement of the upper mold core 12, and the bottom surface of the push block 26 props against the lower mold core 22 to limit the upward movement of the lower mold core 22;

one end of the inclined guide post 16 is arranged in the limit hole 151 of the pressing block 15, and when the die is closed, the other end of the inclined guide post 16 is inserted into the guide hole 251 to limit the sliding block 25 to be incapable of sliding so as to realize that the pressing block 15, the sliding block 25 and the push block 26 are matched with each other to lock the whole die core; when the mold is opened, the other end of the inclined guide post 16 is withdrawn from the guide hole 251, the locking of the entire mold core by the pressing block 15, the sliding block 25 and the pushing block 26 is released, and the mold core can be replaced.

When the upper mold core 12 and/or the upper mold insert 13 are replaced, the upper mold plate 11 is separated from the lower mold plate 21, the upper mold plate 11 drives the pressing block 15 and the inclined guide pillar 16 to be far away from the lower mold plate 21, the inclined guide pillar 16 is separated from the guide hole 251 of the sliding block 25, the pressing block 15 and the inclined guide pillar 16 release the limit on the sliding block 25, the sliding block 25 is far away from the lower mold core 22, the sliding block 25 drives the pushing block 26 to move, the pushing block 26 releases the limit on the upper mold insert 13 and the upper mold core 12, and finally the upper mold locking screw 14 is screwed, so that the upper mold core 12 and/or the upper mold insert 13 can be removed for replacement; when the lower mold core 22 and/or the lower mold insert 23 are replaced, after the above steps are completed, the lower mold core 22 and/or the lower mold insert 23 can be removed and replaced by finally screwing the lower mold locking screw 24. This mould convenient to change mold core is through setting up briquetting 15, slider 25, ejector pad 26 and oblique guide pillar 16 mutually supporting and is locked upper mold core 12 and lower mold core 22 from both sides location, has simplified the mounting structure of upper mold core 12 and lower mold core 22 to it is more convenient to make the change mold core, improves mold core change efficiency, finally reaches the beneficial effect who improves production efficiency.

Referring to fig. 5, the pressing block 15 includes a first pressing surface 152, a first inclined surface 153 and a positioning portion 154, wherein the first pressing surface 152 and the first inclined surface 153 are located on the same side of the pressing block 15, the first pressing surface 152 is in contact with the side surface of the upper mold core 12, the first inclined surface 153 is parallel to the axis of the guiding hole 251, the first inclined surface 153 is used for limiting the sliding block 25, and the positioning portion 154 protrudes downwards to be arranged at the bottom of the pressing block 15. The distance between the first inclined surface 153 and the upper die core 12 is greater than the distance between the first pressing surface 152 and the upper die core 12, so that the second inclined surface 253 does not block the upper die core 12 during the process of withdrawing the upper die core 12 from between the first pressing surfaces 152 of the two pressing blocks 15 when the upper die core 12 is replaced.

Referring to fig. 1 to 2, the lower die plate 21 is further provided with two positioning slots 213, the two positioning slots 213 are respectively formed by recessing from bottom slot walls of the two sliding slots 212, and the positioning slots 213 are used for accommodating the setting positions 154. When the die is closed, the positioning part 154 is inserted into the positioning groove 213, so that the pressing block 15 is limited by the lower die plate 21 and the pressing block 15 is further limited by the sliding block 25; when the mold is opened, the positioning portion 154 is withdrawn from the positioning groove 213, and the slide 25 can also slide through the positioning groove 213 from the slide groove 212 to be away from the lower mold core 22.

Referring to fig. 2 and 6, the slide 25 includes a second pressing surface 252 and a second inclined surface 253, the second pressing surface 252 and the second inclined surface 253 are located at two sides of the slide 25 facing away from each other, the second pressing surface 252 abuts against a side surface of the lower mold core 22 to lock the lower mold core 22, and the second inclined surface 253 is parallel to the first inclined surface 153. When the mold is closed, the first inclined surface 153 and the second inclined surface 253 are in corresponding contact relation; when the mold is opened, the first inclined surface 153 and the second inclined surface 253 are dislocated and far away.

Referring to fig. 1 to 3, the pressing block 15 is provided with a guide block 17, the guide block 17 is embedded in the first inclined surface 153, and the surface of the guide block 17 is flush with the first inclined surface 153, and the guide block 17 abuts against the second inclined surface 253 of the contact slide block 25. When the upper template 11 moves up and down relative to the lower template 21, a certain friction exists between the sliding block 25 and the pressing block 15, and the guide block 17 on the pressing block 15 actually reduces the contact area between the pressing block 15 and the sliding block 25, so that the friction between the sliding block 25 and the pressing block 15 can be reduced.

Referring to fig. 2, the lower die plate 21 is further provided with two relief grooves 214, the two relief grooves 214 are respectively formed by recessing from bottom groove walls of the two sliding grooves 212, the depth of the relief grooves 214 is smaller than that of the positioning grooves 213, and the relief grooves 214 are square grooves, so that the processing is convenient.

Referring to fig. 2 to 3, the device further includes two yielding blocks 27, the two yielding blocks 27 are respectively mounted in the two yielding grooves 214 via screws, the top surfaces of the yielding blocks 27 are flush with the bottom groove wall of the chute 212, and the yielding blocks 27 are provided with yielding holes 271 communicated with the limiting holes 151. The arrangement of the position-letting block 27 in the chute 212 not only reduces the friction between the slide block 25 and the lower template 21, but also can be processed more easily than the arrangement of the circular position-letting groove 214 on the lower template 21 directly because the position-letting block 27 is provided with the position-letting hole 271 for accommodating the end part of the inclined guide post 16.

Referring to fig. 2, the lower die plate 21 is further provided with four limiting grooves 215, and the four limiting grooves 215 are respectively formed by recessing from the groove walls at two sides of the two sliding grooves 212. The sliding block mechanism further comprises four limiting blocks 28, the four limiting blocks 28 are respectively arranged in the four limiting grooves 215 through screws, and the four limiting blocks 28 are respectively used for limiting the two sliding blocks 25 to limit the sliding track of the sliding blocks 25. The bottom wall of the limiting groove 215 is higher than the bottom wall of the sliding groove 212, the width of the limiting block 28 is larger than the width of the limiting groove 215, when the limiting block 28 is installed in the limiting groove 215, a sliding rail is formed between the bottom of the limiting block 28 and the bottom wall of the sliding groove 212, and two sides of the sliding block 25 respectively protrude out of a strip-shaped part used for being accommodated in the sliding rail, so that the sliding block 25 can only slide along the sliding groove 212 far away from or close to the lower mold core 22.

Referring to fig. 1 to 2, the runner assembly further includes a runner base 18 and a pad 29, wherein the runner base 18 is mounted on the upper die plate 11 and presses the upper die insert 13 into the first mounting hole 121 of the upper die core 12, and the pad 29 is mounted on the lower die plate 21 and presses the lower die insert 23 into the second mounting hole 221 of the lower die core 22. The pouring gate seat 18 is internally provided with a pouring gate, the pouring gate seat 19 is arranged above the pouring gate seat 18, the pouring gate seat 19 is provided with a pouring gate communicated with the pouring gate, and the pouring gate seat 18 and the pouring gate seat 19 are matched to change the path of a material entering the mold core, so that the mold can be matched with different mold cores for use.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims (10)

1. The utility model provides a mould convenient to change mold core, including cope match-plate pattern (11), cope match-plate pattern (12), go up mould insert (13), lower bolster (21), lower mold core (22) and lower mould insert (23), cope match-plate pattern (11) are provided with first cavity (111), cope match-plate pattern (12) are installed in first cavity (111) and are locked by last mode locking screw (14), cope match-plate pattern (12) are provided with first mounting hole (121), cope match-plate pattern (13) are installed in first mounting hole (121), lower bolster (21) are provided with second cavity (211) and two spout (212), two spout (212) are located both sides of second cavity (211) and communicate with second cavity (211) respectively, lower mold core (22) are installed in second cavity (211) and are locked by lower mode locking screw (24), lower mold core (22) are provided with second mounting hole (221), lower mould insert (23) are installed in second mounting hole (221); the method is characterized in that: the die comprises an upper die core (12), and is characterized by further comprising two pressing blocks (15), two sliding blocks (25), two pushing blocks (26) and two inclined guide posts (16), wherein the two pressing blocks (15) are respectively arranged on the upper die plate (11) and are positioned on two sides of the first cavity (111), the two pressing blocks (15) respectively support against two sides of the upper die core (12) and are used for limiting the two sliding blocks (25), and limiting holes (151) are formed in the two pressing blocks (15);

the two sliding blocks (25) are respectively and slidably arranged in the two sliding grooves (212), the two sliding blocks (25) are respectively provided with inclined guide holes (251), the guide holes (251) are communicated with the limiting holes (151), and the two sliding blocks (25) respectively prop against two sides of the lower die core (22);

the two pushing blocks (26) are respectively connected with the two sliding blocks (25) in a one-to-one correspondence manner, and the two pushing blocks (26) respectively support against the upper die insert (13) and the lower die insert (23) from two sides;

one end of the inclined guide post (16) is arranged in a limit hole (151) of the pressing block (15), and the other end of the inclined guide post (16) is inserted into the guide hole (251).

2. The mold facilitating replacement of a mold core according to claim 1, wherein: the briquetting (15) includes first pressure face (152), first inclined plane (153) and location portion (154), and first pressure face (152) supports the side of contact mold core (12), and first inclined plane (153) are parallel with the axis of guiding hole (251), and first inclined plane (153) are used for spacing slider (25), and location portion (154) downward bulge sets up in briquetting (15) bottom.

3. The mold facilitating replacement of the mold core according to claim 2, wherein: the lower die plate (21) is also provided with two positioning grooves (213), the two positioning grooves (213) are respectively formed by downwards concavely arranging the bottom groove walls of the two sliding grooves (212), and the positioning grooves (213) are used for accommodating the setting position parts (154).

4. The mold facilitating replacement of the mold core according to claim 2, wherein: the slide block (25) comprises a second pressing surface (252) and a second inclined surface (253), the second pressing surface (252) is in abutting contact with the side surface of the lower mold core (22), and the second inclined surface (253) is parallel to the first inclined surface (153).

5. The mold facilitating replacement of a mold core according to claim 4, wherein: the pressing block (15) is provided with a guide block (17), the guide block (17) is embedded in the first inclined plane (153) and the surface of the guide block is flush with the first inclined plane (153), and the guide block (17) abuts against the second inclined plane (253) of the contact sliding block (25).

6. The mold facilitating replacement of a mold core according to claim 1, wherein: the lower template (21) is also provided with two yielding grooves (214), and the two yielding grooves (214) are respectively formed by downwards concavely arranging the bottom groove walls of the two sliding grooves (212).

7. The mold facilitating replacement of a mold core according to claim 6, wherein: still include two blocks (27) of stepping down, two blocks (27) of stepping down are installed respectively in two grooves (214) of stepping down, let the top surface of block (27) of stepping down and the bottom slot wall parallel and level of spout (212), step down block (27) be provided with spacing hole (151) intercommunication step down hole (271).

8. The mold facilitating replacement of a mold core according to claim 1, wherein: the lower die plate (21) is also provided with four limiting grooves (215), and the four limiting grooves (215) are respectively formed by outwards concavely arranging the groove walls at the two sides of the two sliding grooves (212).

9. The mold facilitating replacement of a mold core according to claim 8, wherein: the sliding track limiting device comprises a sliding block (25), and is characterized by further comprising four limiting blocks (28), wherein the four limiting blocks (28) are respectively arranged in the four limiting grooves (215), and the four limiting blocks (28) are respectively used for limiting the two sliding blocks (25) so as to limit the sliding track of the sliding blocks (25).

10. The mold facilitating replacement of a mold core according to claim 1, wherein: the novel casting mold further comprises a pouring gate seat (18) and a base plate (29), wherein the pouring gate seat (18) is arranged on the upper mold plate (11) and presses and holds the upper mold insert (13) in a first mounting hole (121) of the upper mold core (12), the base plate (29) is arranged on the lower mold plate (21) and presses and holds the lower mold insert (23) in a second mounting hole (221) of the lower mold core (22).