CN216635042U

CN216635042U - Mold dismounting device based on PLC

Info

Publication number: CN216635042U
Application number: CN202220009717.2U
Authority: CN
Inventors: 方翼军
Original assignee: Shenzhen Yixinda Precision Technology Co ltd
Current assignee: Shenzhen Yixinda Precision Technology Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-05-31
Anticipated expiration: 2032-01-04

Abstract

The utility model discloses a PLC-based mold dismounting device, which comprises a workbench, wherein a lower mold is fixedly connected to the upper surface of the workbench, an upper mold is arranged on the upper surface of the lower mold, a U-shaped frame is fixedly connected to the top of the upper mold, the top of the U-shaped frame is fixedly connected with a mechanical arm, the mechanical arm is electrically connected with an external PLC controller, a rectangular through groove is formed in the upper mold, racks are connected to two opposite sides of the inner wall of the rectangular through groove in a limiting and sliding manner, clamping plates are fixedly connected to the ends, far away from each other, of the two racks, gears are meshed and connected to opposite sides of the two racks, the lower surface of each gear is connected with the inner wall of the rectangular through groove in a fixed-axis rotating manner, a motor is fixedly connected to the upper surface of the upper mold, an output shaft of the motor penetrates through the upper mold and is fixedly connected to the upper surface of each gear, the motor is electrically connected with the external PLC controller, a mold cavity is formed in the upper surface of the lower mold, and an injection molding hole penetrating through the mold cavity is formed in the outer wall of the lower mold, the effect of facilitating automatic disassembly of the die is achieved.

Description

Mold dismounting device based on PLC

Technical Field

The utility model relates to the technical field of mold dismounting, in particular to a mold dismounting device based on a PLC.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. After the inner mold is molded, the outer clamping mold needs to be disassembled, and in order to improve the fixing effect of the clamping mold, the commonly used clamping mold is fixed by a plurality of screws or clamping tools.

Traditional mould dismounting device has that clamping structure is complicated and mostly for the screw is fixed, leads to personnel when dismantling the mould, and very inconvenient and consuming time is hard, causes the problem that work efficiency reduces.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mold dismounting device based on a PLC, which has the advantage of facilitating automatic dismounting of a mold and solves the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the mold dismounting device based on the PLC comprises a workbench, wherein a lower mold is fixedly connected to the upper surface of the workbench, an upper mold is arranged on the upper surface of the lower mold, a U-shaped frame is fixedly connected to the top of the upper mold, the top of the U-shaped frame is fixedly connected with a mechanical arm, the mechanical arm is electrically connected with an external PLC controller, a rectangular through groove is formed in the upper mold, racks are connected to two opposite sides of the inner wall of the rectangular through groove in a limiting and sliding manner, clamping plates are fixedly connected to the opposite ends of the two racks, gears are meshed and connected to the opposite sides of the two racks, the lower surface of each gear is connected with the inner wall of the rectangular through groove in a fixed-axis rotating manner, a motor is fixedly connected to the upper surface of the upper mold, an output shaft of the motor penetrates through the upper mold and is fixedly connected to the upper surface of each gear, the motor is electrically connected with the external PLC controller, and a mold cavity is formed in the upper surface of the lower mold, and the outer wall of the lower die is provided with an injection molding hole penetrating through the die cavity.

Preferably, two opposite sides of cardboard all fixedly connected with shock pad, the material of shock pad is rubber.

Preferably, two the equal fixedly connected with fixture block of lower surface of cardboard, the spacing groove with fixture block looks adaptation is seted up to one side of the relative fixture block of bed die, two the fixture block respectively with the spacing groove joint that corresponds.

Preferably, the two opposite sides of the two clamping plates are fixedly connected with limiting rods, one side of the upper die, opposite to the limiting rods, is provided with a through hole, and the two limiting rods are respectively in limiting sliding connection with the corresponding through holes.

Preferably, the lower surface of the upper die is close to the equal fixedly connected with limiting shafts at four corners, the upper surface of the lower die is provided with limiting holes matched with the limiting shafts, and the limiting shafts are connected with the limiting holes in a limiting sliding mode.

Preferably, the lower surface of the upper die is fixedly connected with a limiting frame matched with the die cavity, the limiting frame is in limiting sliding connection with the die cavity, and a through hole matched with the injection hole is formed in one side, opposite to the injection hole, of the limiting frame.

Preferably, the distance between the opposite sides of the two clamping plates and the outer wall of the upper die is the same.

Preferably, the bottom end of the U-shaped frame is connected with a fixing block in a penetrating mode, and the lower surface of the fixing block is fixedly connected with the upper surface of the upper die.

Preferably, a plurality of heat dissipation grooves are formed in the outer wall of the lower die.

Preferably, the length of the limiting rod is greater than the maximum moving distance of the rack.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the common cooperation of the upper die, the lower die, the motor, the gear, the rack and the clamping plate, the effect of facilitating automatic disassembly of the die is achieved, and the problems that the traditional die disassembling device is very inconvenient, consumes time and labor and reduces working efficiency when a worker disassembles the die due to the fact that the clamping structure is complex and most of the clamping structures are fixed by screws are solved;

2. according to the utility model, through the common cooperation of the limiting rod, the clamping block, the clamping groove, the limiting shaft, the limiting hole, the shock pad and the limiting frame, the effect of improving the connection stability between the upper die and the lower die is achieved, and the problem of poor clamping effect of the traditional die dismounting device when the upper die and the lower die are clamped and fixed is solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of an upper mold according to the present invention;

FIG. 3 is a schematic view of the internal structure of the upper mold of the present invention;

fig. 4 is a schematic structural view of the lower mold of the present invention.

In the figure: 1. a work table; 2. a lower die; 3. injection molding holes; 4. an upper die; 5. a limiting frame; 6. a limiting shaft; 7. a mechanical arm; 8. a U-shaped frame; 9. a motor; 10. a gear; 11. a mold cavity; 12. a rack; 13. clamping a plate; 14. a limiting rod; 15. a clamping block; 16. a shock pad; 17. a limiting hole; 18. a limiting groove; 19. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a mold dismounting device based on a PLC (programmable logic controller) comprises a workbench 1, wherein a lower mold 2 is fixedly connected to the upper surface of the workbench 1, an upper mold 4 is arranged on the upper surface of the lower mold 2, a U-shaped frame 8 is fixedly connected to the top of the upper mold 4, the top of the U-shaped frame 8 is fixedly connected with a mechanical arm 7, the mechanical arm 7 is electrically connected with an external PLC (programmable logic controller), a rectangular through groove is formed in the upper mold 4, racks 12 are connected to two opposite sides of the inner wall of the rectangular through groove in a limiting and sliding manner, clamping plates 13 are fixedly connected to opposite ends of the two racks 12, gears 10 are meshed and connected to opposite sides of the two racks 12, the lower surface of each gear 10 is connected with the inner wall of the rectangular through groove in a fixed-axis rotating manner, a motor 9 is fixedly connected to the upper surface of the upper mold 4, an output shaft of the motor 9 penetrates through the upper mold 4 and is fixedly connected to the upper surface of each gear 10, the motor 9 is electrically connected with the external PLC, a mold cavity 11 is formed in the upper surface of the lower mold 2, the outer wall of the lower die 2 is provided with an injection molding hole 3 penetrating through the die cavity 11.

The mechanical arm 7 is controlled to move by an external PLC controller, the mechanical arm 7 drives the upper die 4 to move through the U-shaped frame 8, finally, under the control of the PLC controller, the upper die 4 is clamped with the lower die 2, then the motor 9 is started, the output shaft of the motor 9 starts to rotate, when the output shaft of the motor 9 rotates forwards, the output shaft of the motor 9 drives the gear 10 to rotate forwards, and further drives the two racks 12 which are meshed and connected to move back and forth, so that the two racks 12 drive the two clamping plates 13 to synchronously move back and forth, when the output shaft of the motor 9 rotates backwards, the output shaft of the motor 9 drives the gear 10 to rotate backwards, and further drives the two racks 12 which are meshed and connected to relatively move, so that the two racks 12 drive the two clamping plates 13 to synchronously and relatively move, and finally, the two clamping plates 13 extrude the outer walls of the upper die 4 and the lower die 2, reach the stability effect of further promoting and go up being connected between mould 4 and the bed die 2, at last through moulding plastics hole 3 with the raw materials through the injection molding machine squeeze into die cavity 11 in, wait for the mould cooling back, control motor 9 reverses, can remove the centre gripping effect between mould 4 and the bed die 2 fast, control arm 7 afterwards and leave mould 4, can take out the mould fast.

The opposite sides of two cardboard 13 all fixedly connected with shock pad 16, the material of shock pad 16 is rubber.

The shock pad 16 fixed connection through rubber material is in the opposite side of two cardboard 13, can reach when two cardboard 13 carry out the joint to bed die 2, promotes cardboard 13's block effect, and the stability effect between mould 4 and the bed die 2 is gone up in the reinforcing.

The fixture blocks 15 are fixedly connected to the lower surfaces of the two clamping plates 13, the limiting grooves 18 matched with the fixture blocks 15 are formed in one side, opposite to the fixture blocks 15, of the lower die 2, and the two fixture blocks 15 are clamped with the corresponding limiting grooves 18 respectively.

Through two fixture blocks 15 respectively with the 18 joints of spacing groove that correspond, reach and drive fixture block 15 at two cardboard 13 and carry out relative movement to after cardboard 13 moves the assigned position, make fixture block 15 joint in spacing groove 18, thereby promote cardboard 13 to the clamping effect of bed die 2, and then promote the stability effect between mould 4 and the bed die 2.

The opposite sides of the two clamping plates 13 are fixedly connected with limiting rods 14, one side of the upper die 4, opposite to the limiting rods 14, is provided with a through hole, and the two limiting rods 14 are respectively in limiting sliding connection with the corresponding through holes.

Carry out spacing sliding connection through gag lever post 14 and through-hole for when rack 12 drives cardboard 13 and removes, cardboard 13 drives gag lever post 14 and carries out spacing slip in the through-hole, thereby reach the stability effect when promoting cardboard 13 and remove, and then promote cardboard 13 and to the centre gripping effect of bed die 2.

The lower surface of the upper die 4 is close to the equal fixedly connected with limiting shafts 6 at the four corners, the upper surface of the lower die 2 is provided with limiting holes 17 matched with the limiting shafts 6, and the limiting shafts 6 are connected with the limiting holes 17 in a limiting sliding mode.

Through spacing shaft 6 and the spacing sliding connection in spacing hole 17 for it is more stable when carrying out the joint by last mould 4 and bed die 2 of PLC controller control, reach the stability effect between further reinforcing last mould 4 and the bed die 2.

The lower surface of the upper die 4 is fixedly connected with a limiting frame 5 matched with the die cavity 11, the limiting frame 5 is in limiting sliding connection with the die cavity 11, and a through hole matched with the injection molding hole 3 is formed in one side, opposite to the injection molding hole 3, of the limiting frame 5.

Lower surface fixedly connected with through last mould 4 and the spacing frame 5 of die cavity 11 looks adaptation and spacing sliding connection of spacing frame 5 and die cavity 11 for when last mould 4 carries out the joint with bed die 2, reach the stability effect between further reinforcing last mould 4 and the bed die 2.

The distance between the opposite sides of the two catch plates 13 and the outer wall of the upper mould 4 is the same.

The distance between the opposite side through two cardboard 13 and last mould 4 outer wall is the same, can reach when gear 10 rotates, and two racks 12 can drive two cardboard 13 and laminate simultaneously and connect on the surface of bed die 2, reach the effect of carrying out centre gripping simultaneously to last mould 4 and bed die 2.

The bottom end of the U-shaped frame 8 is connected with a fixing block 19 in a penetrating mode, and the lower surface of the fixing block 19 is fixedly connected with the upper surface of the upper die 4.

The lower surface of the fixing block 19 is fixedly connected with the upper surface of the upper die 4, so that the effect of improving the stability of connection between the U-shaped frame 8 and the upper die 4 can be achieved.

A plurality of radiating grooves are formed in the outer wall of the lower die 2.

Set up on the outer wall of bed die 2 through a plurality of radiating grooves, radiating effect when can reaching the shaping of promotion mould accelerates the shaping time of mould, and then reaches the time from the combination to the dismantlement of mould with higher speed.

The length of the stopper rod 14 is greater than the maximum travel distance of the rack 12.

The length through gag lever post 14 is greater than the biggest displacement distance of rack 12, can reach and avoid when rack 12 drives cardboard 13 and gag lever post 14 and removes, gag lever post 14 breaks away from the through-hole, leads to under the unexpected circumstances, and gag lever post 14 supports last mould 4, causes the problem that rack 12 is difficult to reset.

The working principle is as follows: this mould dismounting device based on PLC is when using, at first, control arm 7 through external PLC controller and remove, arm 7 drives mould 4 through U type frame 8 and removes, finally under the control of PLC controller, it carries out the joint with bed die 2 to go up mould 4, at this in-process, four spacing axles 6 of going up mould 4 lower surface fixed connection can peg graft with four spacing holes 17 of the looks adaptation of bed die 2 upper surface, and simultaneously, it can carry out spacing sliding connection with die cavity 11 that the upper surface of bed die 2 was seted up to go up mould 4 lower surface fixed connection's spacing frame 5, reach the fixed and spacing effect to going up mould 4 and bed die 2.

Then the motor 9 is started again, the output shaft of the motor 9 starts to rotate, when the output shaft of the motor 9 rotates forwards, the output shaft of the motor 9 drives the gear 10 to rotate forwards, and then the two racks 12 connected by meshing are driven to move backwards and backwards, so that the two racks 12 drive the two clamping plates 13 to move backwards and forwards synchronously, when the output shaft of the motor 9 rotates backwards, the output shaft of the motor 9 drives the gear 10 to rotate backwards, and then the two racks 12 connected by meshing are driven to move relatively, so that the two racks 12 drive the two clamping plates 13 to move synchronously and relatively, finally, the two clamping plates 13 drive the two shock pads 16 to extrude the outer walls of the upper die 4 and the lower die 2, and the effect of further improving the stability of connection between the upper die 4 and the lower die 2 is achieved.

Meanwhile, in the movement of the clamping plate 13, the two clamping blocks 15 fixedly connected with the clamping plate 13 are clamped with the limiting groove 18 formed in the outer wall of the lower die 2, and the effect of further improving the connection stability between the upper die 4 and the lower die 2 is achieved.

And finally, extruding the raw materials into a mold cavity 11 through an injection molding machine through an injection molding hole 3, controlling a motor 9 to rotate reversely after the mold is cooled, so that the clamping effect between the upper mold 4 and the lower mold 2 can be quickly released, and then controlling a mechanical arm 7 to leave the upper mold 4, so that the mold can be quickly taken out.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Mould dismounting device based on PLC, including workstation (1), the last fixed surface of workstation (1) is connected with bed die (2), the upper surface of bed die (2) is equipped with mould (4), its characterized in that: the top of the upper die (4) is fixedly connected with a U-shaped frame (8), the top of the U-shaped frame (8) is fixedly connected with a mechanical arm (7), the mechanical arm (7) is electrically connected with an external PLC (programmable logic controller), a rectangular through groove is formed in the upper die (4), racks (12) are connected to two opposite sides of the inner wall of the rectangular through groove in a limiting and sliding manner, clamping plates (13) are fixedly connected to one ends, away from each other, of the two racks (12), gears (10) are meshed and connected to the opposite sides of the two racks (12), the lower surface of each gear (10) is in fixed-axis rotating connection with the inner wall of the rectangular through groove, a motor (9) is fixedly connected to the upper surface of the upper die (4), an output shaft of the motor (9) penetrates through the upper die (4) and is fixedly connected to the upper surface of the gears (10), and the motor (9) is electrically connected with the external PLC, the upper surface of the lower die (2) is provided with a die cavity (11), and the outer wall of the lower die (2) is provided with an injection molding hole (3) penetrating through the die cavity (11).

2. The PLC-based mold disassembly apparatus of claim 1, wherein: the opposite sides of the two clamping plates (13) are fixedly connected with shock pads (16), and the shock pads (16) are made of rubber.

3. The PLC-based mold disassembly apparatus of claim 1, wherein: two the equal fixedly connected with fixture block (15) of lower surface of cardboard (13), limit groove (18) with fixture block (15) looks adaptation are seted up to one side of the relative fixture block (15) of bed die (2), two fixture block (15) respectively with corresponding limit groove (18) joint.

4. The PLC-based mold disassembly apparatus of claim 1, wherein: limiting rods (14) are fixedly connected to the opposite sides of the two clamping plates (13), through holes are formed in one side, opposite to the limiting rods (14), of the upper die (4), and the two limiting rods (14) are in limiting sliding connection with the corresponding through holes respectively.

5. The PLC-based mold disassembly apparatus of claim 1, wherein: the lower surface of the upper die (4) is close to the four-corner-position-part-equal-fixedly-connected-position shaft (6), the upper surface of the lower die (2) is provided with a position-limiting hole (17) matched with the position-limiting shaft (6), and the position-limiting shaft (6) is connected with the position-limiting hole (17) in a limiting sliding mode.

6. The PLC-based mold disassembly apparatus of claim 1, wherein: the lower surface of the upper die (4) is fixedly connected with a limiting frame (5) matched with the die cavity (11), the limiting frame (5) is connected with the die cavity (11) in a limiting sliding mode, and a through hole matched with the injection molding hole (3) is formed in one side, opposite to the injection molding hole (3), of the limiting frame (5).

7. The PLC-based mold disassembly apparatus of claim 1, wherein: the distance between the opposite sides of the two clamping plates (13) and the outer wall of the upper die (4) is the same.

8. The PLC-based mold disassembly apparatus of claim 1, wherein: the bottom end of the U-shaped frame (8) is connected with a fixing block (19) in a penetrating mode, and the lower surface of the fixing block (19) is fixedly connected with the upper surface of the upper die (4).

9. The PLC-based mold disassembly apparatus of claim 1, wherein: a plurality of heat dissipation grooves are formed in the outer wall of the lower die (2).

10. The PLC-based mold release device of claim 4, wherein: the length of the limiting rod (14) is larger than the maximum moving distance of the rack (12).