CN110712343B - C-shaped plate production die device and die opening method thereof - Google Patents

C-shaped plate production die device and die opening method thereof Download PDF

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Publication number
CN110712343B
CN110712343B CN201910911457.0A CN201910911457A CN110712343B CN 110712343 B CN110712343 B CN 110712343B CN 201910911457 A CN201910911457 A CN 201910911457A CN 110712343 B CN110712343 B CN 110712343B
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China
Prior art keywords
die
core pulling
core
plate
pulling mechanism
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CN201910911457.0A
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CN110712343A (en
Inventor
郑佳勇
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Xiamen Huashenghong Precise Mould Co ltd
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Xiamen Huashenghong Precise Mould Co ltd
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Priority to CN201910911457.0A priority Critical patent/CN110712343B/en
Publication of CN110712343A publication Critical patent/CN110712343A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • B29C45/332Mountings or guides therefor; Drives therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/64Mould opening, closing or clamping devices

Abstract

The invention discloses a C-shaped plate production die device and a die opening method thereof, wherein the C-shaped plate production die device comprises a front die plate unit, an inner die core, a rear die plate, a bottom plate and an inner core pulling mechanism, wherein the front die plate unit, the rear die plate and the bottom plate are arranged front and back; the front template unit comprises a front template and a side core pulling mechanism; the inner core pulling mechanism comprises an inner core pulling mechanism and a second driver; the inner mold core comprises a plurality of mold core parts; and the die cavity is formed by matching the front template, the rear template, the side core pulling at the first forming position and the die cavity inner core in the die cavity. The die can directly form the C-shaped plate through the die, is convenient to demould, and has high production efficiency and high yield.

Description

C-shaped plate production die device and die opening method thereof
Technical Field
The invention relates to a die device, in particular to a die device for producing a C-shaped plate and a die opening method thereof.
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. Since the C-shaped plate itself has elasticity and the first opening side is provided with the first side groove, the existing production method is: the method for producing the annular plate by adopting the die firstly and then cutting off the annular plate to produce the C-shaped plate has the advantages of complex steps, high cost and low yield.
Disclosure of Invention
The invention provides a C-shaped plate production die device and a die opening method thereof, which overcome the defects of a C-shaped plate production mode in the background technology.
The technical scheme adopted for solving the technical problems is as follows:
a C-plate production die apparatus, the C-plate having two open sides, wherein a first open side is recessed with a first side slot; the die device comprises a front die plate unit, an inner die core, a rear die plate, a bottom plate and an inner core pulling mechanism, wherein the front die plate unit, the rear die plate and the bottom plate are arranged front and back;
the front template unit comprises a front template and a side core pulling mechanism, wherein the front template is provided with a die slot with an opening facing backwards, the side core pulling mechanism comprises a side core pulling mechanism and a first driver, a side core part matched with a first side slot is arranged on the side core pulling mechanism, the first driver is connected with the side core pulling mechanism in a transmission mode to drive the side core pulling mechanism to slide up and down between a first molding position and a first core pulling position, the side core part of the side core pulling mechanism positioned at the first molding position is matched with the first side slot, and the side core part positioned at the first core pulling position is separated from the first side slot;
the inner core pulling mechanism comprises an inner core pulling mechanism and a second driver, the rear end of the inner core pulling mechanism is fixedly connected with the bottom plate, the inner core pulling mechanism penetrates through the rear template and can extend into the die cavity, and the second driver is in transmission connection with the bottom plate so as to drive the inner core pulling mechanism to slide back and forth through the bottom plate;
the inner die core comprises a plurality of die core parts which can be connected with the rear die plate in a sliding way and can slide radially inwards and outwards between a second core pulling position and a second molding position relative to the inner core pulling axis, and the plurality of die core parts positioned at the second molding position enclose an annular structure and form a die cavity inner core; a guide structure is arranged between the inner core pulling and the mold core part so as to drive the mold core part to slide outwards and inwards through the front-back sliding of the inner core pulling;
and the die cavity is formed by matching the front template, the rear template, the side core pulling at the first forming position and the die cavity inner core in the die cavity.
In one embodiment: the inner core pulling device is characterized in that the inner core pulling device is provided with connecting grooves which are equal to the die core part, and the bottoms of the connecting grooves are of inclined structures; the inner wall of the mold core part is convexly provided with a connecting block, and the connecting block and the connecting groove are matched to form a non-detachable sliding connection structure.
In one embodiment: the plurality of mold core parts are arranged in an annular array, and the plurality of connecting grooves are also arranged in an annular array.
In one embodiment: the side core is characterized in that the outer side wall of the C-shaped plate is concavely provided with a second side groove, the front template unit is slidably connected with a sliding block, a third driver is additionally arranged to be in transmission connection with the sliding block, and the tail end of the sliding block is provided with a side core which is matched with the second side groove.
In one embodiment: the front template is provided with a connecting seat, the connecting seat is provided with a guide rail, and the side core pulling is connected to the guide rail in a sliding manner; the side core pulling mechanism further comprises a first guide seat and a second guide seat; the first guide seat and the side core pulling are provided with first inclined planes, and the first inclined planes of the side core pulling are matched and connected with the first inclined planes of the first guide seat; the tail end of the first guide seat is fixedly provided with a transmission seat, the transmission seat and the second guide seat are both provided with second inclined planes, and the second inclined planes of the transmission seat are matched and abutted on the second inclined planes of the second guide seat; the first driver comprises a hydraulic cylinder mechanism arranged on the front template, and a piston rod of the hydraulic cylinder mechanism is connected with the second guide seat.
In one embodiment: the front template is provided with a mounting groove with a downward opening, an outer mold part is arranged in the mounting groove, the outer mold part comprises a plurality of outer mold parts, the outer mold parts enclose a C-shaped structure, and the inner loose core is positioned in the C-shaped opening of the outer mold part.
In one embodiment: the front template unit is provided with a feed chute, a blanking part is fixedly arranged on a die core part of one of the plurality of die core parts, which corresponds to the joint of the feed chute and the die cavity, and the blanking part is driven to move inwards by the inward shrinkage of the die core part, and the blanking part moving inwards cuts off a stub bar.
In one embodiment: the novel core pulling device comprises a core pulling mechanism, and is characterized by further comprising a core pulling mechanism, wherein the core pulling mechanism comprises a core pulling driver and a core pulling, the core pulling mechanism can slide forwards and backwards to extend out of the front end of the inner core pulling mechanism, and the core pulling driver is in transmission connection with the core pulling mechanism.
The die opening method of the die device for producing the C-shaped plate comprises the following steps:
step 1, a first driver drives a side core pulling device to slide from a first forming position to a first core pulling position, a side core part of the side core pulling device is separated from a first side groove, and a C-shaped plate rebounds under the action of self elasticity so as to separate a connecting part of the C-shaped plate and a front template unit;
step 2, the second driver drives the bottom plate to slide backwards for a first distance, the bottom plate drives the inner core pulling to slide backwards, the die core part is driven to slide inwards, and the blanking part of the die core part cuts off the stub bar;
step 3, the second driver drives the bottom plate to slide backwards for a second distance, and the front template, the C-shaped plate in the front template, the rear template and the mold core part are completely separated;
step 4, the third driver drives the sliding block to slide outwards, the side core is pulled out and the demoulding is carried out, the deformation of the C-shaped plate is released, the C-shaped plate is reset, and the C-shaped plate and the front template are completely separated;
step 5, the ejector pin slides forwards to eject the stub bar;
and 6, taking out the C-shaped plate from the front template by a manipulator.
Compared with the background technology, the technical proposal has the following advantages:
the front template unit comprises a front template and a side core pulling mechanism, the side core pulling mechanism comprises a side core pulling mechanism and a first driver, the first driver is connected with the side core pulling mechanism in a transmission way so as to drive the side core pulling mechanism to slide up and down between a first molding position and a first core pulling position, a side core part of the side core pulling mechanism positioned at the first molding position is matched with a first side groove, and a side core part positioned at the first core pulling position is separated from the first side groove; the inner core pulling mechanism comprises an inner core pulling mechanism and a second driver, the rear end of the inner core pulling mechanism is fixedly connected with the bottom plate, and the second driver is in transmission connection with the bottom plate so as to drive the inner core pulling mechanism to slide back and forth through the bottom plate; the internal mold core comprises a plurality of mold cores, the mold cores can be connected with the rear mold plate in a sliding manner and can radially slide inside and outside between the second core-pulling position and the second molding position relative to the internal core-pulling axis, the mold cores positioned at the second molding position enclose an annular structure and form a mold cavity inner core, a guide structure is arranged between the internal core-pulling and the mold core part so as to drive the mold core part to slide outwards and inwards through the front mold plate, the rear mold plate and the side core-pulling and mold cavity inner core positioned at the first molding position to form a mold cavity in a matched manner, and then a C-shaped plate is molded directly through the mold, so that the internal mold core-pulling type internal mold is convenient to demould, high in production efficiency and high in yield.
Drawings
The invention is further described below with reference to the drawings and the detailed description.
Fig. 1 is a schematic perspective view of a C-shaped plate of an embodiment.
Fig. 2 is one of schematic structural views of a mold in a closed state according to an embodiment.
Fig. 3 is a second schematic structural view of the mold in the mold-closed state according to the embodiment.
Fig. 4 is a third schematic structural view of the mold in the mold-closed state according to the embodiment.
Fig. 5 is a schematic structural diagram of a first mold parting step according to the embodiment.
FIG. 6 is a second schematic structural view of the first mold parting step of the embodiment.
Fig. 7 is a schematic structural diagram of a mold parting step ii according to the embodiment.
Fig. 8 is a schematic structural diagram of a mold parting step three of the embodiment.
Fig. 9 is a schematic structural diagram of a mold parting step four in the embodiment.
Fig. 10 is a schematic structural diagram of a mold parting step five according to the embodiment.
Fig. 11 is a schematic structural diagram of a mold parting step six according to the embodiment.
Fig. 12 is a schematic structural diagram of a mold parting step seven of the embodiment.
Detailed Description
Referring to fig. 1 to 12, referring to fig. 1, the C-shaped plate 1 has two open sides, wherein a first side groove 11 is concavely formed on the first open side, and a second side groove 12 is concavely formed on the outer side wall of the C-shaped plate 1. The die device comprises a front die plate unit 2, an inner die core 3, a rear die plate 4, a bottom plate 5 and an inner core pulling mechanism 6, wherein the front die plate unit 2, the rear die plate 4 and the bottom plate 5 are arranged front and back.
The front template unit 2 comprises a front template 21 and a side core pulling mechanism 22, the front template 21 is provided with a die cavity 211 with an opening facing backwards, the side core pulling mechanism 22 comprises a side core pulling 221 and a first driver 222, a side core portion 2211 adapting to the first side cavity 11 is arranged on the side core pulling 221, 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 portion 2211 of the side core pulling 221 positioned at the first molding position is adapted to the first side cavity 11 so as to generate the first side cavity 11 during die production, and the side core portion 221 positioned at the first core pulling position is separated from the first side cavity 11 so as to realize demolding 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 arranged on the front and rear vertical surfaces in an inclined manner along the vertical surfaces, and the side core-pulling 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-pulling 221 are provided with first inclined surfaces, and the first inclined surfaces of the side core-pulling 221 are matched and abutted against the first inclined surfaces of the first guide seat 24, so that the left-right movement of the first guide seat 24 can drive the side core-pulling 221 to slide along the guide rail 231; the tail 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 abutted against 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 template 21, and a piston rod of the hydraulic cylinder mechanism is fixedly connected with the second guide seat 25 so as to drive the second guide seat 25 to move up and down.
The front mold plate 21 is provided with a mounting groove with a downward opening, an outer mold part is arranged in the mounting groove, the outer mold part comprises a plurality of outer mold parts 212, the outer mold parts enclose a C-shaped structure to limit the outer wall of the C-shaped plate, the inner loose core 221 is positioned in the C-shaped opening of the outer mold part, and the C-shaped opening also provides a space for letting down the movement of the inner loose core 221 between the first molding position and the first loose core position. If necessary, the outer mold part corresponding to the second opening side is further provided with a convex part corresponding to the second opening side of the C-shaped plate. The front template unit is further provided with a plurality of sliding blocks 27 capable of sliding along the inside and outside of the front template unit, the sliding blocks 27 are convexly provided with side cores 271 adapting to the second side grooves 12, a third driver 28 is additionally arranged to drive the sliding blocks 27 to slide between a third molding position and a third demolding position, the side cores 271 of the sliding blocks 27 positioned at the third molding position are adaptive to the second side grooves 12, guiding is achieved 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 guide seats, the third guide seats are convexly provided with guide inclined rods 29, and the guide inclined rods are adaptively inserted in the inclined grooves.
The inner core-pulling mechanism 6 comprises an inner core-pulling mechanism 61 and a second driver 62, the rear end of the inner core-pulling mechanism 61 is fixedly connected with the bottom plate 5, the inner core-pulling mechanism 61 penetrates through the rear die plate 4 and can extend into the die cavity 211, and the second driver 62 is in transmission connection with the bottom plate 5 so as to drive the inner core-pulling mechanism 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 which are arranged in an annular array, the plurality of mold core parts 31 can be connected with the rear mold plate 4 in a sliding manner and can slide radially inwards and outwards between a second core-pulling position and a second molding position relative to the axis of the inner core-pulling 61, and the plurality of mold core parts 31 positioned at the second molding position enclose an annular structure and form a mold cavity inner core so as to limit the inner wall of the C-shaped plate; a guiding structure is arranged between the inner core-pulling 61 and the mold core part 31 to drive the mold core part 31 to slide outwards and inwards by the front-back sliding of the inner core-pulling 61, and the guiding structure moves outwards to form a mold cavity inner core, and moves inwards to realize demolding. In this embodiment: the inner core-pulling 61 is provided with a connecting groove 611 which is equal to the mold core part 31 in number, the bottom of the connecting groove is of an inclined structure, the inner wall of the mold core part 31 is convexly provided with a connecting block 312, the connecting block and the connecting groove are matched to form a non-detachable sliding connecting structure, and the non-detachable sliding connecting structure forms the guiding structure so as to drive the mold core part 31 to radially move inwards and outwards through the axial movement of the inner core-pulling 61; moreover, the plurality of mold cores 31 are arranged in an annular array, and the plurality of connecting grooves are also adapted to the annular array arrangement.
The cavity 211 is formed by matching the front template 21, the rear template 4, a plurality of outer mold parts, the side core-pulling cores 221 in the first forming position and the cavity inner core, and the cavity is formed into a C-shaped plate when plastic fluid is injected into the cavity.
In this embodiment, the front mold plate unit 2 is provided with a feed chute 26, and the feed chute 26 is connected with the mold cavity so that plastic fluid formed by heating of the injection molding machine can be fed into the mold cavity through the feed chute 26. A blanking portion 311 is fixedly arranged on the mold core portion 31 at a position corresponding to the connection between the feed chute 26 and the mold cavity of one of the plurality of mold core portions 31, the position of the blanking portion 311 corresponds to the connection between the feed chute 26 and the mold cavity, and the blanking portion 311 is driven to move inwards by the inward shrinkage of the mold core portion 31 to cut off the blanking portion 313 by separating the finished product in the mold cavity from the blanking portion 313 in the feed chute at the connection.
In this embodiment, the ejector pin mechanism further comprises an ejector pin driver and an ejector pin 7, the ejector pin 7 can slide back and forth to extend out of the front end of the inner core-pulling 61, and the ejector pin driver is in transmission connection with the ejector pin 7 to drive the ejector pin 7 to move forward so as to eject the stub bar.
The die opening method of the die device for producing the C-shaped plate comprises the following steps:
step 1, please refer to fig. 2 to 7, the first driver 222 drives the side core segment 221 to slide from the first molding position to the first core segment position, and the side core segment 2211 of the side core segment 221 is separated from the first side slot 11, so that the C-shaped plate 1 rebounds under the action of self-elasticity to separate the connection portion of the C-shaped plate and the front template unit, wherein 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 shown in fig. B, the bottom plate 5 drives the inner core-pulling 61 to slide backward, drives the mold core 31 to slide inward, and the blanking portion 311 of the mold core 31 cuts off the stub bar;
step 3, please refer 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 part, as shown in fig. C;
step 4, please refer to fig. 9 and 10, the third driver drives the slide block to slide outwards, the side core is pulled out of the mold, and the deformation limitation of the C-shaped plate is released, so that the C-shaped plate 1 rebounds under the action of self elasticity, and the C-shaped plate and the front template are completely separated, as shown by D in the figure;
step 5, please refer to fig. 10 and 11, the ejector pin slides forward to eject the stub bar, as illustrated by E;
step 6, please refer to fig. 11 and 12, wherein the C-shaped plate is taken out from the front mold plate by the manipulator, as shown by F.
The foregoing description is only illustrative of the preferred embodiments of the present invention, and therefore should not be taken as limiting the scope of the invention, for all changes and modifications that come within the meaning and range of equivalency of the claims and specification are therefore intended to be embraced therein.

Claims (9)

  1. A C-plate production die apparatus, the C-plate having two open sides, wherein a first open side is recessed with a first side slot; the method is characterized in that: the die device comprises a front die plate unit, an inner die core, a rear die plate, a bottom plate and an inner core pulling mechanism, wherein the front die plate unit, the rear die plate and the bottom plate are arranged front and back;
    the front template unit comprises a front template and a side core pulling mechanism, wherein the front template is provided with a die slot with an opening facing backwards, the side core pulling mechanism comprises a side core pulling mechanism and a first driver, a side core part matched with a first side slot is arranged on the side core pulling mechanism, the first driver is connected with the side core pulling mechanism in a transmission mode to drive the side core pulling mechanism to slide up and down between a first molding position and a first core pulling position, the side core part of the side core pulling mechanism positioned at the first molding position is matched with the first side slot, and the side core part positioned at the first core pulling position is separated from the first side slot;
    the inner core pulling mechanism comprises an inner core pulling mechanism and a second driver, the rear end of the inner core pulling mechanism is fixedly connected with the bottom plate, the inner core pulling mechanism penetrates through the rear template and can extend into the die cavity, and the second driver is in transmission connection with the bottom plate so as to drive the inner core pulling mechanism to slide back and forth through the bottom plate;
    the inner die core comprises a plurality of die core parts which can be connected with the rear die plate in a sliding way and can slide radially inwards and outwards between a second core pulling position and a second molding position relative to the inner core pulling axis, and the plurality of die core parts positioned at the second molding position enclose an annular structure and form a die cavity inner core; a guide structure is arranged between the inner core pulling and the mold core part so as to drive the mold core part to slide outwards and inwards through the front-back sliding of the inner core pulling;
    and the die cavity is formed by matching the front template, the rear template, the side core pulling at the first forming position and the die cavity inner core in the die cavity.
  2. 2. A C-plate producing die apparatus as claimed in claim 1, wherein: the inner core pulling device is characterized in that the inner core pulling device is provided with connecting grooves which are equal to the die core part, and the bottoms of the connecting grooves are of inclined structures; the inner wall of the mold core part is convexly provided with a connecting block, and the connecting block and the connecting groove are matched to form a non-detachable sliding connection structure.
  3. 3. A C-plate producing die apparatus as claimed in claim 2, wherein: the plurality of mold core parts are arranged in an annular array, and the plurality of connecting grooves are also arranged in an annular array.
  4. 4. A C-plate producing die apparatus as claimed in claim 1, wherein: the side core is characterized in that the outer side wall of the C-shaped plate is concavely provided with a second side groove, the front template unit is slidably connected with a sliding block, a third driver is additionally arranged to be in transmission connection with the sliding block, and the tail end of the sliding block is provided with a side core which is matched with the second side groove.
  5. 5. A C-plate producing die apparatus as claimed in claim 1, wherein: the front template is provided with a connecting seat, the connecting seat is provided with a guide rail, and the side core pulling is connected to the guide rail in a sliding manner; the side core pulling mechanism further comprises a first guide seat and a second guide seat; the first guide seat and the side core pulling are provided with first inclined planes, and the first inclined planes of the side core pulling are matched and connected with the first inclined planes of the first guide seat; the tail end of the first guide seat is fixedly provided with a transmission seat, the transmission seat and the second guide seat are both provided with second inclined planes, and the second inclined planes of the transmission seat are matched and abutted on the second inclined planes of the second guide seat; the first driver comprises a hydraulic cylinder mechanism arranged on the front template, and a piston rod of the hydraulic cylinder mechanism is connected with the second guide seat.
  6. 6. A C-plate producing die apparatus as claimed in claim 1, wherein: the front template is provided with a mounting groove with a downward opening, an outer mold part is arranged in the mounting groove, the outer mold part comprises a plurality of outer mold parts, the outer mold parts enclose a C-shaped structure, and the inner loose core is positioned in the C-shaped opening of the outer mold part.
  7. 7. A C-plate producing die apparatus as claimed in claim 1, wherein: the front template unit is provided with a feed chute, a blanking part is fixedly arranged on a die core part of one of the plurality of die core parts, which corresponds to the joint of the feed chute and the die cavity, and the blanking part is driven to move inwards by the inward shrinkage of the die core part, and the blanking part moving inwards cuts off a stub bar.
  8. 8. A C-plate producing die set according to claim 7, wherein: the novel core pulling device comprises a core pulling mechanism, and is characterized by further comprising a core pulling mechanism, wherein the core pulling mechanism comprises a core pulling driver and a core pulling, the core pulling mechanism can slide forwards and backwards to extend out of the front end of the inner core pulling mechanism, and the core pulling driver is in transmission connection with the core pulling mechanism.
  9. 9. A method of opening a C-plate production mold apparatus according to claim 8, wherein: comprising the following steps:
    step 1, a first driver drives a side core pulling device to slide from a first forming position to a first core pulling position, a side core part of the side core pulling device is separated from a first side groove, and a C-shaped plate rebounds under the action of self elasticity so as to separate a connecting part of the C-shaped plate and a front template unit;
    step 2, the second driver drives the bottom plate to slide backwards for a first distance, the bottom plate drives the inner core pulling to slide backwards, the die core part is driven to slide inwards, and the blanking part of the die core part cuts off the stub bar;
    step 3, the second driver drives the bottom plate to slide backwards for a second distance, and the front template, the C-shaped plate in the front template, the rear template and the mold core part are completely separated;
    step 4, the third driver drives the sliding block to slide outwards, the side core is pulled out and the demoulding is carried out, the deformation of the C-shaped plate is released, the C-shaped plate is reset, and the C-shaped plate and the front template are completely separated;
    step 5, the ejector pin slides forwards to eject the stub bar;
    and 6, taking out the C-shaped plate from the front template by a manipulator.
CN201910911457.0A 2019-09-25 2019-09-25 C-shaped plate production die device and die opening method thereof Active CN110712343B (en)

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CN201910911457.0A CN110712343B (en) 2019-09-25 2019-09-25 C-shaped plate production die device and die opening method thereof

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CN110712343B true CN110712343B (en) 2024-03-29

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