CN211105382U

CN211105382U - Blank head device of die device

Info

Publication number: CN211105382U
Application number: CN201921608812.9U
Authority: CN
Inventors: 郑佳勇
Original assignee: Xiamen Huashenghong Precise Mould Co ltd
Current assignee: Xiamen Huashenghong Precise Mould Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-07-28
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a blanking head device of a die device, which comprises a template unit, an inner die core, a template, a bottom plate, an inner core-pulling mechanism and a die cavity, wherein the template unit is provided with a feed chute connected with the die cavity; the die core part of one of the die core parts, which corresponds to the joint of the feeding groove and the die cavity, is fixedly provided with a material cutting part, the material cutting part is driven to move inwards by the inward sliding of the die core part, and the material head is cut by the material cutting part moving inwards. It has the following advantages: when the inner core pulling is performed, the stub bar cutting is automatically realized, the production efficiency is improved, and the yield is improved.

Description

Blank head device of die device

Technical Field

The utility model relates to a die set part especially relates to die set's blank head device.

Background

The C-shaped plate is provided with two opening sides, wherein the first opening side is concavely provided with a first side groove, and the outer side wall of the C-shaped plate is concavely provided with a second side groove. Because the C-shaped plate has elasticity and the first opening side is provided with the first side groove, the existing production method is as follows: the annular plate is produced by adopting the die firstly, and then the annular plate is cut off to generate the C-shaped plate.

SUMMERY OF THE UTILITY MODEL

The utility model provides a blanking head device of mould device, it has overcome not enough that C shaped plate production mode exists among the background art.

The utility model provides an adopted technical scheme of its technical problem is:

the blanking head device of the die device comprises a first template unit, an inner die core, a second template, a bottom plate, an inner core-pulling mechanism and a die cavity, wherein the first template unit, the second template and the bottom plate are arranged in sequence, and the first template unit is provided with a feed chute connected with the die cavity; the inner core pulling mechanism comprises an inner core pulling and a driver, the tail end of the inner core pulling is fixedly connected with the bottom plate, the inner core pulling penetrates through the second template and can extend into the cavity of the template, and the driver is in transmission connection with the bottom plate so as to drive the inner core pulling to slide through the bottom plate; the inner mold core comprises a plurality of mold core parts, the mold core parts can be connected with the second mold plate in a sliding mode and can slide inwards and outwards in the radial direction between a core pulling position and a forming position relative to the inner core pulling axis, and the mold core parts located at the forming position are enclosed into an annular structure to form a mold cavity inner core; a guide structure is arranged between the inner loose core and the mold core part so as to drive the mold core part to slide outwards and inwards through the inner loose core; the die core part of one of the die core parts, which corresponds to the joint of the feeding groove and the die cavity, is fixedly provided with a material cutting part, the material cutting part is driven to move inwards by the inward sliding of the die core part, and the material head is cut by the material cutting part moving inwards.

In one embodiment: the die core part provided with the blanking part is a blanking head die core part, a through groove for communicating the feeding groove with the die cavity is arranged at the outer edge part of the blanking head die core part, a first port of the through groove, communicated with the feeding groove, is positioned on the end surface of the blanking head die core part, a second port of the through groove, communicated with the die cavity, is positioned on the side wall of the blanking head die core part, and the part, corresponding to the through groove, of the blanking head die core part forms the blanking part.

In one embodiment: the included angle of the part of the material cutting part corresponding to the first port is an acute angle structure.

In one embodiment: the blank part is of a triangular structure.

Compared with the background technology, the technical scheme has the following advantages:

the die core part of one of the die core parts, which corresponds to the joint of the feeding groove and the die cavity, is fixedly provided with the blank part, the die core part slides inwards to drive the blank part to move inwards, the inwardly moving blank part cuts off the stub bar, and the stub bar is automatically cut during the internal core pulling, so that the production efficiency is improved, and the yield is improved.

The part of the core part of the blanking head die corresponding to the through groove forms a blanking part, the structure is simple, and the blanking is rapid and stable.

The included angle of the part of the material cutting part corresponding to the first port is of an acute angle structure, the structure is simple, and the material cutting is rapid and stable.

The blank portion is the triangle-shaped structure, simple structure, and blank fast and stable.

Drawings

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

FIG. 1 is a perspective view of an embodiment C-shaped plate.

Fig. 2 is one of the structural diagrams of the mold in a clamped state according to the embodiment.

Fig. 3 is a second schematic structural view of the mold according to the embodiment in a clamped state.

Fig. 4 is a third schematic structural view of the mold according to the embodiment in a clamped state.

FIG. 5 is a schematic structural diagram of a first mold splitting step of the embodiment.

FIG. 6 is a second schematic structural view of the first mold splitting step of the embodiment.

Fig. 7 is a schematic structural diagram of a second mold splitting step of the mold according to the embodiment.

Fig. 8 is a schematic structural view of a third mold parting step of the mold according to the embodiment.

Fig. 9 is a schematic structural view of a fourth mold splitting step of the mold according to the embodiment.

Fig. 10 is a schematic structural diagram of a fifth mold splitting step of the mold according to the embodiment.

Fig. 11 is a schematic structural view of a sixth mold parting step of the embodiment.

Fig. 12 is a schematic structural view of a seventh mold parting step of the embodiment.

Fig. 13 is an enlarged schematic view at M of fig. 8.

Detailed Description

Referring to fig. 1 to 13, referring to fig. 1, the C-shaped plate 1 has two open sides, wherein the first open side is recessed with a first side groove 11, and the outer side wall of the C-shaped plate 1 is recessed with a second side groove 12. The die device comprises a front template unit 2, an inner die core 3, a rear template 4, a bottom plate 5 and an inner core-pulling mechanism 6, wherein the front template unit 2, the rear template 4 and the bottom plate 5 are arranged in front and back.

The front mold plate unit 2 comprises a front mold plate 21 and a side core-pulling mechanism 22, the front mold plate 21 is provided with a mold cavity 211 with a backward opening, the side core-pulling mechanism 22 comprises a side core-pulling 221 and a first driver 222, the side core-pulling 221 is provided with a side core 2211 matched with the first side cavity 11, the first driver 222 is in transmission connection with the side core-pulling 221 so as to drive the side core-pulling 221 to slide up and down between a first molding position and a first core-pulling position, the side core 2211 of the side core-pulling 221 located at the first molding position is matched with the first side cavity 11, so that the first side cavity 11 can be generated during mold production, the side core 221 located at the first core-pulling position is separated from the first side cavity 11, and demolding can be realized after separation. In this embodiment, the front mold plate 21 is further fixedly provided with a connecting seat 23, the connecting seat 23 is provided with a guide rail 231, the guide rail 231 is obliquely arranged on the front and rear vertical surfaces along the vertical direction, and the side core 221 is slidably connected to the guide rail 231 so as to be capable of sliding along the guide rail 231 between a first molding position and a first core pulling position; the side core-pulling mechanism 22 further comprises a first guide seat 24 and a second guide seat 25; the first guide seat 24 and the side core 221 are both provided with first inclined surfaces, and the first inclined surfaces of the side core 221 are matched and abutted to the first inclined surfaces of the first guide seat 24, so that the side core 221 can be driven to slide along the guide rail 231 by the left-right movement of the first guide seat 24; the end of the first guide seat 24 is fixedly provided with a transmission seat 241, the transmission seat 241 and the second guide seat 25 are both provided with second inclined surfaces, and the second inclined surfaces of the transmission seat 241 are matched and connected with the second inclined surfaces of the second guide seat 25, so that the second guide seat 25 can move up and down to drive the first guide seat 24 to slide left and right; the first driver 222 includes a hydraulic cylinder mechanism installed on the front mold plate 21, and a piston rod of the hydraulic cylinder mechanism is fixedly connected to the second guide base 25 so as to drive the second guide base 25 to move up and down.

Preceding template 21 is equipped with opening mounting groove down, the built-in external mold part that is equipped with of mounting groove, the external mold part includes a plurality of outer mould parts 212, a plurality of outer mould parts enclose into the outer wall of C shape structure in order to inject the C shaped plate, interior 221 of loosing core is located the C shape opening of external mold part, moreover, C shape opening still looses core 221 in for the interior activity of loosing core between first shaping position and first loose core position provides the space of stepping down. If necessary, the outer mold portion corresponding to the second opening side is further protruded with a protrusion corresponding to the second opening side of the C-shaped plate. And the front template unit is also provided with a plurality of sliding blocks 27 capable of sliding inside and outside along the front template unit, the sliding blocks 27 are convexly provided with side cores 271 matched with the second side grooves 12, a third driver 28 is additionally arranged to drive the connecting sliding blocks 27 to drive the sliding blocks 27 to slide between a third forming position and a third demoulding position, the side cores 271 of the sliding blocks 27 positioned at the third forming position are matched with the second side grooves 12, the guiding is realized between the third driver 28 and the sliding blocks through inclined guiding, if the sliding blocks are provided with inclined grooves, the third driver is a hydraulic cylinder mechanism, the tail ends of piston rods of the hydraulic cylinder mechanism are fixedly provided with third guiding seats, the third guiding seats are convexly provided with guiding inclined rods 29, and the guiding inclined rods are matched and inserted in the inclined grooves.

The inner core pulling mechanism 6 comprises an inner core pulling 61 and a second driver 62, the rear end of the inner core pulling 61 is fixedly connected with the bottom plate 5, the inner core pulling 61 penetrates through the rear mold plate 4 and can stretch into the mold cavity 211, and the second driver 62 is in transmission connection with the bottom plate 5 to drive the inner core pulling 61 to slide back and forth through the bottom plate 5. The second actuator 62 is, for example, a hydraulic cylinder mechanism.

The inner mold core 3 comprises a plurality of mold core parts 31 arranged in an annular array, the mold core parts 31 can be connected with the rear mold plate 4 in a sliding mode and can slide radially inwards and outwards between a second core pulling position and a second forming position relative to the axis of the inner core pulling 61, and the mold core parts 31 located at the second forming position are enclosed to form an annular structure and form a mold cavity inner core so as to limit the inner wall of the C-shaped plate; a guide structure is arranged between the inner loose core 61 and the mold core part 31 so as to drive the mold core part 31 to slide outwards and inwards through the front and back sliding of the inner loose core 61, the inner loose core moves outwards to form a mold cavity inner core, and the inner loose core moves inwards to realize demolding. In this embodiment: the inner loose core 61 is provided with connecting grooves 611 with the same number as the mold core part 31, the groove bottoms of the connecting grooves are of an inclined structure, the inner wall of the mold core part 31 is convexly provided with connecting blocks 312, the connecting blocks and the connecting grooves are matched to form a non-detachable sliding connecting structure, and the non-detachable sliding connecting structure forms the guide structure so as to movably drive the mold core part 31 to move radially inwards and outwards through the axis of the inner loose core 61; also, the plurality of mold core portions 31 are arranged in an annular array, and the plurality of coupling grooves are also adapted to the annular array arrangement.

The die cavity 211 is internally matched with the front die plate 21, the rear die plate 4, the plurality of outer die parts, the side core 221 at the first forming position and the inner core of the die cavity to form the die cavity, and the die cavity is formed into a C-shaped plate when plastic fluid is injected.

In this embodiment, the front mold plate unit 2 is provided with a feed chute 26, and the feed chute 26 opens the mold cavity so that the plastic fluid heated by the injection molding machine can be fed into the mold cavity through the feed chute 26. A material cutting part 311 is fixedly arranged on the die core part 31 corresponding to the connecting part of the feed chute 26 and the die cavity in one of the die core parts 31, the position of the material cutting part 311 corresponds to the connecting part of the feed chute 26 and the die cavity, a finished product in the die cavity is separated from a stub bar 313 in the feed chute through the connecting part, the material cutting part 311 is driven to move inwards by the inward shrinkage of the die core part 31, and the stub bar 313 is cut off by the material cutting part 311 moving inwards. Wherein: the die core part provided with the blanking part is a blanking head die core part, a through groove 314 for communicating the feeding groove with the die cavity is arranged at the outer edge part of the blanking head die core part, a first port of the through groove, communicated with the feeding groove, is positioned on the end surface of the blanking head die core part, a second port of the through groove, communicated with the die cavity, is positioned on the side wall of the blanking head die core part, and the part, corresponding to the through groove, of the blanking head die core part forms a blanking part 311. The included angle of the part of the material cutting part corresponding to the first port is an acute angle structure. The blank part is of a triangular structure.

In this embodiment, the ejection mechanism further comprises an ejection pin driver and an ejection pin 7, the ejection pin 7 can slide back and forth to extend out of the front end of the inner loose core 61, and the ejection pin driver is in transmission connection with the ejection pin 7 to drive the ejection pin 7 to move forward to eject the stub bar.

The die opening method of the C-shaped plate production die device comprises the following steps:

step 1, please refer to fig. 2 to 7, in which a first driver 222 drives the side core 221 to slide from a first molding position to a first core pulling position, a side core portion 2211 of the side core 221 is separated from the first side groove 11, and the C-shaped plate 1 rebounds under the action of its own elasticity to separate the connection portion between the C-shaped plate and the front mold plate unit, where the separation is indicated as a in the figure;

step 2, please refer to fig. 6 to 8, the second driver 62 drives the bottom plate 5 to slide backward for a first distance, as indicated by B in the figure, the bottom plate 5 drives the inner loose core 61 to slide backward, and drives the mold core 31 to slide inward, and the blanking portion 311 of the mold core 31 cuts off the stub bars;

step 3, referring to fig. 8 and 9, the second driver 62 drives the bottom plate 5 to slide backward for a second distance, and the front mold plate and the C-shaped plate in the front mold plate are completely separated from the rear mold plate and the mold core, as shown in fig. C;

step 4, please refer to fig. 9 and 10, the third driver drives the sliding block to slide outwards, the side core pulling and the demolding are performed, and the deformation limitation of the C-shaped plate is relieved, so that the C-shaped plate 1 rebounds under the action of the elastic force of the C-shaped plate, and the C-shaped plate and the front template are completely separated, as indicated by D in the figure;

step 5, please refer to fig. 10 and 11, the thimble slides forward to eject the stub bar, as indicated by E in the figure;

referring to fig. 11 and 12, the C-shaped plate is removed from the front form by the robot, as indicated by F.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims

1. Die set's blank head device, its characterized in that: the die comprises a first die plate unit, an inner die core, a second die plate, a bottom plate, an inner core-pulling mechanism and a die cavity, wherein the first die plate unit, the second die plate and the bottom plate are arranged in sequence, and the first die plate unit is provided with a feeding groove connected with the die cavity; the inner core pulling mechanism comprises an inner core pulling and a driver, the tail end of the inner core pulling is fixedly connected with the bottom plate, the inner core pulling penetrates through the second template and can extend into the cavity of the template, and the driver is in transmission connection with the bottom plate so as to drive the inner core pulling to slide through the bottom plate; the inner mold core comprises a plurality of mold core parts, the mold core parts can be connected with the second mold plate in a sliding mode and can slide inwards and outwards in the radial direction between a core pulling position and a forming position relative to the inner core pulling axis, and the mold core parts located at the forming position are enclosed into an annular structure to form a mold cavity inner core; a guide structure is arranged between the inner loose core and the mold core part so as to drive the mold core part to slide outwards and inwards through the inner loose core; the die core part of one of the die core parts, which corresponds to the joint of the feeding groove and the die cavity, is fixedly provided with a material cutting part, the material cutting part is driven to move inwards by the inward sliding of the die core part, and the material head is cut by the material cutting part moving inwards.

2. The blanking head apparatus of a die apparatus according to claim 1, wherein: the die core part provided with the blanking part is a blanking head die core part, a through groove for communicating the feeding groove with the die cavity is arranged at the outer edge part of the blanking head die core part, a first port of the through groove, communicated with the feeding groove, is positioned on the end surface of the blanking head die core part, a second port of the through groove, communicated with the die cavity, is positioned on the side wall of the blanking head die core part, and the part, corresponding to the through groove, of the blanking head die core part forms the blanking part.

3. The blanking head apparatus of a die apparatus according to claim 2, wherein: the included angle of the part of the material cutting part corresponding to the first port is an acute angle structure.

4. The blanking head apparatus of a die apparatus according to claim 2, wherein: the blank part is of a triangular structure.