CN214383244U

CN214383244U - Rectangular frame forming die

Info

Publication number: CN214383244U
Application number: CN202023326352.6U
Authority: CN
Inventors: 彭建佳; 周守强
Original assignee: Shenzhen Boxi Plastic Co ltd
Current assignee: Shenzhen Boxi Plastic Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-12
Anticipated expiration: 2030-12-31

Abstract

The utility model provides a rectangular frame forming die for shaping rectangular frame, and rectangular frame's one side outside protrusion is formed with detains the position, forming die includes front mould and back mould, is equipped with the U formation type piece that links firmly with the back mould benevolence between first outer line position and the second outer line position, the opening inside callipers that U formed the type piece is equipped with interior line position, the one end and the rectangular frame of interior line position detain a shape phase-match, still press from both sides between interior line position and the U formation type piece and be equipped with the piece of carving that links firmly with the front mould benevolence, the one side that carves piece and interior line position and meet is the inclined plane, first inclined hole has been seted up on the interior line position, slide in the first inclined hole and set up first oblique guide arm, the one end and the front mould benevolence of first oblique guide arm are connected, and first oblique guide arm and inclined plane all detain a lopsidedness towards rectangular frame. The slide mold is simple in structure, good in demolding treatment of the buckling positions and capable of demolding smoothly, and accordingly the product percent of pass is improved.

Description

Rectangular frame forming die

Technical Field

The utility model belongs to the technical field of the mould technique and specifically relates to a rectangular frame forming die.

Background

The die is a tool for making a blank into a finished piece with a specific shape and size under the action of external force, and is widely used for blanking, die forging, cold heading, extrusion, powder metallurgy piece pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. When shaping rectangular frame, especially have the rectangular frame who detains the position, traditional forming die can not be fine demold, often handle not well to detaining position department, during the drawing of patterns, cause the strain to the product easily, consequently, need provide a rectangular frame forming die now urgently, when the shaping has the rectangular frame who detains the position, the drawing of patterns is easier smooth and easy, is difficult for causing the damage to the product, can improve the product percent of pass.

SUMMERY OF THE UTILITY MODEL

In order to solve one of the problems, the utility model provides a rectangular frame forming die, this capable position mould simple structure, the drawing of patterns of detaining the position is handled betterly, can be smooth and easy carry out the drawing of patterns to the product percent of pass has been improved.

The utility model discloses a following technical scheme realizes:

the utility model provides a rectangular frame forming die, which is used for forming a rectangular frame, and one side of the rectangular frame protrudes outwards to form a buckling position, the forming die comprises a front die and a rear die, the front die is provided with an A plate, the A plate is provided with a front die core, the rear die is provided with a B plate, the B plate is provided with a rear die core matched with the front die core, two sides of the rear die core are respectively provided with a first outer position and a second outer position, the outer sides of the first outer position and the second outer position are respectively connected with a diagonal slide block, the first outer position and the second outer position respectively correspond to one side of the rectangular frame buckling position and the opposite side of the buckling position, a U-shaped forming block fixedly connected with the rear die core is arranged between the first outer position and the second outer position, an opening inner block of the U-shaped forming block is provided with an inner position, one end of the inner position is matched with the shape of the rectangular frame buckling position, the outer peripheral wall of the U-shaped block, the front die core, the rear die core, the first outer row position and the second outer row position form a cavity of the rectangular frame together, a wedge block fixedly connected with the front die core is clamped between the inner row position and the U-shaped block, one side, connected with the inner row position, of the wedge block is an inclined plane, a first inclined hole is formed in the inner row position, a first inclined guide rod is arranged in the first inclined hole in a sliding mode, one end of the first inclined guide rod is connected with the front die core, the first inclined guide rod and the inclined plane are inclined towards one side of the buckling position of the rectangular frame, when the front die and the rear die are opened, the first inclined guide rod slides in the first inclined hole to drive the inner row position to slide in the direction opposite to the buckling position of the rectangular frame, and therefore the wedge block is extruded to slide along with the front die, so that the inner row position is separated from the buckling position of the rectangular frame, and demolding of the rectangular frame is facilitated.

Further, draw the slider to one side and include the slider seat and draw the piece, the slider seat sets up and can follow the B board and outwards slide on the B board, and the slider seat meets one side with the B board and is equipped with concave type district, draw the piece card to establish in the concave type district of slider seat, and draw the piece and seted up the second inclined hole, slide in the second inclined hole and set up the oblique guide arm of second, the one end of the oblique guide arm of second stretches into in the slider seat and can drive the slider seat and remove to B board direction, and the oblique guide arm of second inclines towards mould center direction, first outer line position and second outer line position link firmly rather than the piece of drawing that corresponds position department respectively to when making the die sinking, draw the slider to one side and drive first outer line position or second outer line position outwards remove so that the rectangular frame drawing of patterns.

Furthermore, the rear die is provided with a plurality of guide pillars, all the guide pillars sequentially penetrate through the plate B and the plate A and are movably inserted on the front die, the rear die is further provided with an ejector pin mechanism, and the output end of the ejector pin mechanism penetrates through the plate B and the rear die core and pushes up the sprue position of the rectangular frame.

Furthermore, the front mold is provided with two hot runners, the two cavities are arranged side by side, and the hot runners sequentially penetrate through the plate A and the front mold core and are simultaneously communicated with the two cavities.

Furthermore, the front mold core is provided with a third inclined hole corresponding to the first inclined hole, the axes of the first inclined hole and the third inclined hole coincide, the top end of the third inclined hole is provided with a fourth inclined hole with the diameter larger than that of the third inclined hole, the first inclined guide rod is arranged in the first inclined hole and the third inclined hole in a sliding manner, the top end of the first inclined guide rod is provided with an annular boss which is just clamped in the fourth inclined hole, so that when the mold is opened, the first inclined guide rod slides in the first inclined hole and is simultaneously kept connected with the front mold core.

Furthermore, the slider seat is provided with a fifth inclined hole corresponding to the second inclined hole in position, the second inclined hole coincides with the axis of the fifth inclined hole, the top end of the second inclined hole is provided with a sixth inclined hole with the diameter larger than that of the second inclined hole, the second inclined guide rod slides in the second inclined hole and the fifth inclined hole, the top end of the second inclined guide rod is provided with an annular boss which is just clamped in the sixth inclined hole, and therefore when the mold is opened, the second inclined guide rod slides in the second inclined hole and keeps connected with the slider seat.

Furthermore, the ejector pin mechanism comprises an ejector pin bottom plate arranged on the rear die and a plurality of ejector pins arranged on the ejector pin bottom plate, each ejector pin penetrates through the B plate and the rear die core and then is connected with a pouring gate of the rectangular frame forming part, and therefore when the die is opened, all the ejector pins outwards push the pouring gates of the rectangular frame forming part out of the rear die core.

The utility model has the advantages that:

the forming die of the utility model forms the cavity of the rectangular frame component by arranging the inner slide, the U-shaped forming block, the front die core and the rear die core, the inner slide is provided with the first inclined guide rod through the first inclined hole in a sliding way, the first inclined guide rod is connected with the front die core, the wedge block is clamped between the inner slide and the U-shaped forming block, the joint surface of the wedge block and the inner slide is an inclined plane, thus, when the die is demolded, because the first inclined guide rod is inclined towards one side of the fastening position, when the rear die core moves backwards under the action of the rear die, the first inclined guide rod slides in the first inclined hole, along with the movement, the inner slide is driven to move towards one side of the fastening position, thereby the wedge block is extruded to move towards the direction of the front die, a moving space is left for the inner slide, one end of the fastening position formed by the inner slide is separated from the fastening position, the first outer slide and the second outer slide at both sides move towards the outside simultaneously, the space for demoulding the rectangular frame forming part is provided by matching with the inner slide position, so that the rectangular frame forming part can be smoothly demoulded, the probability of damage caused by the fact that demoulding at the buckling position is not smooth is reduced, and the qualified rate of a formed product is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a first schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a second schematic structural diagram of an embodiment of the present invention;

fig. 4 is a sectional view taken along a-a in fig. 3.

Detailed Description

For a more clear and complete description of the technical solution of the present invention, the following description is made with reference to the accompanying drawings.

Referring to fig. 1 to 4, the present invention provides a rectangular frame forming mold for forming a rectangular frame, wherein a fastening position is formed by protruding one side of the rectangular frame, the forming mold comprises a front mold 100 and a rear mold 200, the front mold 100 is provided with an a plate, the a plate is provided with a front mold core 110, the rear mold 200 is provided with a B plate 210, the B plate is provided with a rear mold core 220 matching the front mold core, two sides of the rear mold core are respectively provided with a first outer position 230 and a second outer position 240, outer sides of the first outer position and the second outer position are respectively connected with a diagonal slide block 300, the first outer position 230 and the second outer position 240 respectively correspond to one side of the rectangular frame fastening position and the opposite side of the fastening position, a U-shaped block 250 fixedly connected with the rear mold core is arranged between the first outer position and the second outer position, an inner block 260 is arranged in an opening of the U-shaped block 250, one end of the inner slide 260 is matched with the rectangular frame buckling position in shape, and forms a cavity of the rectangular frame together with the outer peripheral wall of the U-shaped block, the front die 110, the rear die 220, the first outer slide 230 and the second outer slide 240, a wedge 270 fixedly connected with the front die core is further clamped between the inner slide and the U-shaped block, one side of the wedge connected with the inner slide 260 is an inclined plane, a first inclined hole is formed in the inner slide, a first inclined guide rod 280 is slidably arranged in the first inclined hole, one end of the first inclined guide rod 280 is connected with the front die core, the first inclined guide rod and the inclined plane are both inclined towards one side of the rectangular frame buckling position, when the front die 100 and the rear die 200 are opened, the first inclined guide rod 280 slides in the first inclined hole to drive the inner slide 260 to slide towards the direction opposite to the rectangular frame buckling position, so that the extrusion wedge 270 slides along with the front die to separate the inner slide from the rectangular frame buckling position, the demoulding of the rectangular frame is convenient. The forming die of the utility model forms the cavity of the rectangular frame member by arranging the inner slide 260, the U-shaped forming block 250, the front die core 110 and the rear die core 220, the inner slide is provided with the first inclined guide rod 280 through the first inclined hole in a sliding way, the first inclined guide rod is connected with the front die core, a wedge block is clamped between the inner slide and the U-shaped forming block, the joint surface of the wedge block and the inner slide is an inclined plane, thus when the die is removed, because the first inclined guide rod 280 is inclined towards one side of the buckling position, when the rear die core 220 moves backwards under the action of the rear die 200, the first inclined guide rod 280 slides in the first inclined hole, along with the movement, the inner slide 260 is driven to move towards one side of the buckling position, thereby the wedge block is extruded to slide along with the front die, a moving space is left for the inner slide, so that one end of the inner slide forming buckling position is separated from the outer buckling position, the first outer slide and the second outer slide at two sides simultaneously, the space for demoulding the rectangular frame forming part is provided by matching with the inner slide position, so that the rectangular frame forming part can be smoothly demoulded, the probability of damage caused by the fact that demoulding at the buckling position is not smooth is reduced, and the qualified rate of a formed product is improved.

Further, the slide block 300 includes a slide block seat 310 and a pull block 320, the slide block seat 310 is disposed on the B plate and can slide outwards along the B plate, a concave area is disposed on one side where the slide block seat and the B plate are connected, the pull block 320 is clamped in the concave area of the slide block seat, a second inclined hole is disposed on the pull block 320, a second inclined guide rod 330 is slidably disposed in the second inclined hole, one end of the second inclined guide rod 330 extends into the slide block seat and can drive the slide block seat to move towards the B plate, the second inclined guide rod 330 inclines towards the center direction of the mold, the first outer slide position 230 and the second outer slide position 240 are fixedly connected with the pull block at the corresponding position respectively, so that when the mold is opened, the slide block drives the first outer slide position or the second outer slide position to move outwards to facilitate demolding of the rectangular frame. The oblique-pulling sliding block 300 is arranged like this, and the effect that the first outer line position and the second outer line position synchronously move towards the outside in the die sinking process can be realized through the second oblique guide rod and the second oblique hole, so that the first outer line position and the second outer line position are separated from the outer edge of the rectangular frame after the forming is finished, the ejection and the demolding of the subsequent rectangular frame are facilitated, the structure is very ingenious, and the oblique-pulling sliding block can enable the first outer line position and the second outer line position to have the tendency of being separated from the rectangular frame only by slightly moving.

Further, a plurality of guide posts 400 are arranged on the rear die 200, all the guide posts sequentially penetrate through the plate B and the plate A and are movably inserted into the front die 100, an ejector pin mechanism is further arranged on the rear die, and an output end of the ejector pin mechanism penetrates through the plate B and the rear die core and pushes up a sprue position of the rectangular frame.

Further, the front mold is provided with two hot runners 500, the two cavities are arranged side by side, and the hot runners sequentially penetrate through the plate A and the front mold core and are simultaneously communicated with the two cavities.

It should be noted that a third inclined hole is formed in the front mold core 110 corresponding to the first inclined hole, the axes of the first inclined hole and the third inclined hole coincide, a fourth inclined hole with a diameter larger than that of the third inclined hole is formed in the top end of the third inclined hole, the first inclined guide rod 280 is slidably disposed in the first inclined hole and the third inclined hole, an annular boss is disposed at the top end of the first inclined guide rod, and the annular boss is just clamped in the fourth inclined hole, so that when the mold is opened, the first inclined guide rod slides in the first inclined hole and is connected with the front mold core. Through setting up third inclined hole and fourth inclined hole, can be so that during the die sinking, when front and back mould benevolence separation, first oblique guide arm 280 still blocks and establishes in front mould benevolence to drive interior position and detain a side movement dorsad, make things convenient for the drawing of patterns of rectangular frame knot position department.

Further, the slider seat 310 is provided with a fifth inclined hole corresponding to the second inclined hole, the second inclined hole coincides with the axis of the fifth inclined hole, the top end of the second inclined hole is provided with a sixth inclined hole with the diameter larger than that of the second inclined hole, the second inclined guide rod 330 is slidably arranged in the second inclined hole and the fifth inclined hole, the top end of the second inclined guide rod is provided with an annular boss which is just clamped in the sixth inclined hole, so that when the mold is opened, the second inclined guide rod 330 slides in the second inclined hole and keeps connected with the slider seat.

Further, the ejector pin mechanism comprises an ejector pin base plate 600 arranged on the rear mold and a plurality of ejector pins 610 arranged on the ejector pin base plate, each ejector pin penetrates through the B plate 210 and the rear mold core 220 and then is connected with a sprue of the rectangular frame molding part, so that when the mold is opened, all the ejector pins eject the rectangular frame molding part out of the rear mold core through outwards ejecting the sprue of the rectangular frame molding part. The ejector pins of the ejector pin mechanism can be located at the gates of the rectangular frame, the plurality of gates correspond to the plurality of ejector pins, when the ejector pins are ejected, the ejector pins directly eject the gates of the rectangular frame, and the gates can be removed in subsequent machining, so that the frame sides of the rectangular frame do not need to be directly ejected, and the rectangular frame body is prevented from being damaged.

Of course, the present invention can also have other various embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative work, and all of them belong to the protection scope of the present invention.

Claims

1. The utility model provides a rectangular frame forming die for shaping rectangular frame, and one side of rectangular frame outwards protrudes and is formed with and detains the position, forming die includes front mould and back mould, be provided with the A board on the front mould, be equipped with front mould benevolence on the A board, be provided with the B board on the back mould, be equipped with the back mould benevolence of the preceding mould benevolence of cooperation on the B board, its characterized in that: the rear die core is provided with a first outer row position and a second outer row position on two sides respectively, the outer sides of the first outer row position and the second outer row position are connected with a diagonal slide block respectively, the first outer row position and the second outer row position correspond to one side of a buckling position of the rectangular frame and the opposite side of the buckling position respectively, a U-shaped forming block fixedly connected with the rear die core is arranged between the first outer row position and the second outer row position, an inner row position is clamped in an opening of the U-shaped forming block, one end of the inner row position is matched with the buckling position of the rectangular frame in shape, the outer peripheral wall of the U-shaped forming block, the front die core, the rear die core, the first outer row position and the second outer row position form a cavity of the rectangular frame together, a wedge fixedly connected with the front die core is clamped between the inner row position and the U-shaped block, one surface of the wedge connected with the inner row position is an inclined surface, a first inclined hole is formed in the inner row position, and a first guide rod is arranged in the first inclined hole in a sliding manner, one end of the first inclined guide rod is connected with the front die core, the first inclined guide rod and the inclined plane incline towards one side of the buckling position of the rectangular frame, when the front die and the rear die are opened, the first inclined guide rod slides in the first inclined hole to drive the inner slide position to slide back to the buckling position direction of the rectangular frame, so that the extrusion wedge block slides along with the front die, the inner slide position is separated from the buckling position of the rectangular frame, and the rectangular frame can be conveniently demoulded.

2. The rectangular frame molding die according to claim 1, wherein: draw the slider to one side and include slider seat and pull the piece, the slider seat sets up and can follow the B board and outwards slide on the B board, and slider seat meets one side with the B board and is equipped with concave type district, pull the piece card and establish in the concave type district of slider seat, and pull the piece and seted up the second inclined hole, slide in the second inclined hole and set up the oblique guide arm of second, the one end of the oblique guide arm of second stretches into in the slider seat and can drive the slider seat and remove to B board direction, and the oblique guide arm of second inclines towards mould center direction, first outer line position and second outer line position link firmly rather than the piece of pulling that corresponds position department respectively to when making the die sinking, draw the slider to one side and drive first outer line position or second outer line position outwards removal so that the rectangular frame drawing of patterns.

3. The rectangular frame molding die according to claim 1, wherein: the rear die is provided with a plurality of guide pillars, all the guide pillars sequentially penetrate through the plate B and the plate A and are movably inserted on the front die, the rear die is further provided with an ejector pin mechanism, and the output end of the ejector pin mechanism penetrates through the plate B and the rear die core and pushes up the sprue position of the rectangular frame.

4. The rectangular frame molding die according to claim 1, wherein: the front mold is provided with two hot runners, the two cavities are arranged side by side, and the hot runners sequentially penetrate through the plate A and the front mold core and are simultaneously communicated with the two cavities.

5. The rectangular frame molding die according to claim 1, wherein: the front die core is provided with a third inclined hole corresponding to the first inclined hole, the axes of the first inclined hole and the third inclined hole coincide, the top end of the third inclined hole is provided with a fourth inclined hole with the diameter larger than that of the third inclined hole, the first inclined guide rod is arranged in the first inclined hole and the third inclined hole in a sliding mode, the top end of the first inclined guide rod is provided with an annular boss, the annular boss is just clamped in the fourth inclined hole, and therefore when the die is opened, the first inclined guide rod slides in the first inclined hole and is simultaneously kept connected with the front die core.

6. The rectangular frame molding die according to claim 2, wherein: the slider seat is equipped with the fifth inclined hole with second inclined hole position department of correspondence, the second inclined hole coincides with the fifth inclined hole axis, and the second inclined hole top is equipped with the sixth inclined hole that the diameter ratio second inclined hole is big, and the second inclined guide pole slides and sets up in second inclined hole and fifth inclined hole, and the top of the second inclined guide pole is equipped with cyclic annular boss, and this cyclic annular boss just blocks to establish in the sixth inclined hole to during the mould sinking, the second inclined guide pole slides in the second inclined hole and keeps being connected with the slider seat simultaneously.

7. A rectangular frame molding die according to claim 3, characterized in that: the ejector pin mechanism comprises an ejector pin bottom plate arranged on the rear die and a plurality of ejector pins arranged on the ejector pin bottom plate, each ejector pin penetrates through the B plate and the rear die core and then is connected with a sprue of the rectangular frame forming part, and therefore when the die is opened, all the ejector pins eject the rear die core of the rectangular frame forming part through outwards ejecting the sprue of the rectangular frame forming part.