CN217891733U

CN217891733U - Plastic mould rapid demoulding device

Info

Publication number: CN217891733U
Application number: CN202221708007.5U
Authority: CN
Inventors: 朱志兵
Original assignee: Dongguan Xingfangzhou Plastic Hardware Co ltd
Current assignee: Dongguan Xingfangzhou Plastic Hardware Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-11-25
Anticipated expiration: 2032-07-04

Abstract

The utility model belongs to the technical field of plastic molds, in particular to a plastic mold rapid demoulding device, which comprises a supporting frame; the supporting frame is fixedly provided with a hydraulic telescopic rod, the output end of the hydraulic telescopic rod is fixedly connected with an upper die, and the supporting frame is provided with a protection mechanism which is used for preventing the die body after demoulding from collapsing and flying; the protection mechanism comprises a rack, a rotating rod, a driving motor, a gear, a baffle and a through groove; through protection machanism's setting, after die body shaping and cooling, hydraulic telescoping rod pole drives the mould and shifts up, driving motor starts to drive the dwang simultaneously and rotates, the dwang pivoted drives gear revolve simultaneously, the gear is connected with rack toothing, the gear passes through the rack then and drives the baffle and remove, then make the baffle remove gradually to the bottom of last mould, be convenient for later ejecting in-process to the die body then, make at first just contact with the bottom of baffle behind the die body drawing of patterns, guarantee that the die body can not collapse and fly.

Description

Plastic mould rapid demoulding device

Technical Field

The utility model relates to a plastic mould technical field specifically is a plastic mould rapid demoulding device.

Background

The plastic mould is a combined mould for compression moulding, extrusion moulding, injection, blow moulding and low-foaming moulding, and can be used for processing a series of plastic parts with different shapes and sizes by means of the coordinated change of the male mould, the female mould and the auxiliary moulding system.

The mould is a tool for producing plastic products, it is formed by several groups of component parts, there is a forming die cavity in this combination, during injection moulding, the mould is clamped on the injection moulding machine, the molten plastic is injected into the forming die cavity, and cooled and shaped in the cavity, then the upper and lower moulds are separated, the product is ejected out of the mould cavity by means of ejection system, finally the mould is closed again for next injection moulding, the whole injection moulding process is circulated.

When the existing plastic mold is used for processing a plastic part and demolding the plastic mold, the mold body is easy to collapse and fly in the process of ejecting an upper mold by the existing ejection demolding device, so that the quality and efficiency of demolding the plastic part are influenced while certain potential safety hazards are caused; therefore, a plastic mold rapid demoulding device is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of prior art, current ejecting shedder is at the in-process of ejecting last mould, and the problem of the condition of collapsing to fly appears easily in the die body, the utility model provides a plastic mould quick demoulding device.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a plastic mould rapid demoulding device, which comprises a support frame; the die body demoulding device is characterized in that a hydraulic telescopic rod is fixedly mounted on the support frame, an upper die is fixedly connected to the output end of the hydraulic telescopic rod, a protection mechanism is arranged on the support frame, and the protection mechanism is used for preventing a die body after demoulding from collapsing and flying;

protection machanism includes rack, dwang, driving motor, gear, baffle and leads to the groove, fixed connection's driving motor is installed to one side at support frame top, driving motor's output runs through the support frame and installs fixed connection's dwang through the shaft coupling, the other end of dwang is rotated with the interior diapire of support frame and is connected, install fixed connection's gear on the dwang, logical groove has been seted up to a side of support frame, logical inslot installs sliding connection's baffle, fixed connection's rack is installed to a side of baffle, the rack is connected with gear engagement.

Preferably, the protection machanism still includes stable subassembly, just stable subassembly includes spout, slider and connecting rod, the spout has been seted up to the interior roof of support frame, install sliding connection's slider in the spout, fixed connection's connecting rod is installed to the bottom of slider, the other end of connecting rod and the top fixed connection of baffle.

Preferably, the driving motors are arranged in two groups, and the rotating directions of the two groups of driving motors are opposite.

Preferably, the outer wall of baffle is provided with elastic rubber pad, the one end fixedly connected with limiting plate of baffle.

Preferably, the support frame passes through installation piece fixedly connected with lower mould, be provided with ejecting subassembly on the support frame, ejecting subassembly includes thread bush, backup pad, the telescopic link that resets, ejector pin and draw-in groove, the dwang is located and sets up screw thread on the pole wall of gear below, install threaded connection's thread bush on the dwang, fixed connection's backup pad is installed to a side of thread bush, the mounting groove that the support frame inside wall was seted up is extended to the one end of backup pad, fixed connection's the telescopic link that resets is installed to one side on backup pad top, the bottom fixed connection of the other end of telescopic link and lower mould that resets fixed connection's ejector pin is installed at the top of backup pad, the other end of ejector pin is inserted and is established to the draw-in groove of seting up bottom the lower mould in.

Preferably, a reset mechanism is arranged in the lower die and comprises a reset spring, a transmission rod, an embedding groove and an embedding block, a die groove is arranged in the lower die, the embedding groove is formed in the inner bottom wall of the die groove, a sliding block in sliding connection is installed in the clamping groove, the transmission rod in fixed connection is installed at the top end of the sliding block, the transmission rod is sleeved with the reset spring, and the embedding block matched with the embedding groove is fixedly installed at the top end of the transmission rod.

The utility model discloses an useful part lies in:

1. the utility model discloses a setting of protection machanism, after die body shaping and cooling, hydraulic telescoping rod pole drives the mould and shifts up, driving motor starts to drive the dwang simultaneously and rotates, drive gear revolve when the dwang pivoted, wheel and rack toothing is connected, then the gear passes through the rack and drives the baffle and remove, make then the baffle remove gradually to the bottom of last mould, be convenient for later ejecting in-process to the die body then, make at first just contact with the bottom of baffle behind the die body drawing of patterns, guarantee that the die body can not collapse and fly.

2. The utility model discloses a setting of ejecting subassembly, after die body shaping and cooling, remove the in-process between last mould and the lower mould at the baffle, it removes to drive two thread bushes along with the rotation of dwang, and the internal thread opposite direction of two thread bushes, then two thread bushes drive the backup pad and shift up gradually, and guaranteed the stability of process of shifting up under the telescopic link cooperation that resets, shift up in the backup pad and drive the ejector pin and shift up and make gradually the ejector pin insert establish to the draw-in groove in, the cooperation sets up the reset structure on the lower mould ejecting with the die body.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall structure diagram according to a first embodiment;

FIG. 2 is a schematic sectional view of a part of the first embodiment;

FIG. 3 is a schematic structural diagram of a reset mechanism according to the first embodiment;

FIG. 4 is an enlarged view of the point A in FIG. 2 according to the first embodiment;

FIG. 5 is an enlarged view of the second embodiment at B in FIG. 2;

fig. 6 is a schematic perspective view of the second embodiment.

In the figure: 1. a support frame; 2. a hydraulic telescopic rod; 3. an upper die; 4. a protection mechanism; 41. a rack; 42. Rotating the rod; 43. a drive motor; 44. a gear; 45. a baffle plate; 46. a through groove; 5. a stabilizing assembly; 51. A chute; 52. a slider; 53. a connecting rod; 6. a lower die; 7. a limiting plate; 8. a reset mechanism; 81. a return spring; 82. a transmission rod; 83. a fitting groove; 84. a fitting block; 9. ejecting the assembly; 91. a threaded sleeve; 92. a support plate; 93. resetting the telescopic rod; 94. a top rod; 95. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-6, a fast demolding device for a plastic mold includes a supporting frame 1; a hydraulic telescopic rod 2 is fixedly installed on the support frame 1, an upper die 3 is fixedly connected to the output end of the hydraulic telescopic rod 2, a protection mechanism 4 is arranged on the support frame 1, and the protection mechanism 4 is used for preventing the demolded die body from collapsing and flying;

the protection mechanism 4 comprises a rack 41, a rotating rod 42, a driving motor 43, a gear 44, a baffle 45 and a through groove 46, wherein the driving motor 43 is fixedly connected with one side of the top of the support frame 1, the output end of the driving motor 43 penetrates through the support frame 1 and is provided with the rotating rod 42 which is fixedly connected with the output end of the support frame through a coupler, the other end of the rotating rod 42 is rotatably connected with the inner bottom wall of the support frame 1, the gear 44 which is fixedly connected with the rotating rod 42 is arranged on the rotating rod 42, the through groove 46 is formed in one side surface of the support frame 1, the baffle 45 which is connected with the through groove 46 in a sliding mode is arranged in the through groove 46, the rack 41 which is fixedly connected with the baffle 45 is arranged on one side surface of the baffle 45, and the rack 41 is meshed with the gear 44;

the during operation, current plastic mould is at the in-process of processing moulding, when drawing of patterns to plastic mould, current ejecting shedder is at the in-process of ejecting last mould, the die body appears collapsing the circumstances of flying easily, when having certain potential safety hazard, also can influence the quality and the efficiency of moulding the drawing of patterns, setting through hydraulic telescoping rod pole 2, be convenient for drive last mould 3 and move down, and make it have pressure, after die body shaping and cooling, hydraulic telescoping rod pole 2 drives last mould 3 and shifts up, driving motor 43 starts drive dwang 42 and rotates simultaneously, dwang 42 rotates and drives gear 44 simultaneously, gear 44 is connected with the meshing of rack 41, then gear 44 drives baffle 45 through rack 41 and moves, then make baffle 45 remove to the bottom of last mould 3 gradually, then be convenient for later ejecting in-process to the die body, make at first just contact with the bottom of baffle 45 after the die body drawing of patterns, thereby guarantee that the die body can not collapse and fly.

The protection mechanism 4 further comprises a stabilizing component 5, the stabilizing component 5 comprises a sliding groove 51, a sliding block 52 and a connecting rod 53, the sliding groove 51 is formed in the inner top wall of the support frame 1, the sliding block 52 in sliding connection is installed in the sliding groove 51, the connecting rod 53 in fixed connection is installed at the bottom end of the sliding block 52, and the other end of the connecting rod 53 is fixedly connected with the top of the baffle 45;

during operation, when baffle 45 is driven by rack 41 and moves to the in-process directly below last mould 3 gradually, through the setting of spout 51, slider 52 and connecting rod 53, the cooperation is used, has guaranteed the stability of baffle 45 removal in-process.

Two groups of driving motors 43 are arranged, and the two groups of driving motors 43 have opposite rotation directions;

during operation, through the setting of two sets of driving motor 43, constitute two sets of drive structures, guaranteed baffle 45's even running, the further steady movement of having guaranteed baffle 45 of the rotation opposite direction of two sets of driving motor 43 simultaneously.

The outer wall of the baffle 45 is provided with an elastic rubber pad;

during operation, the outer wall of the baffle 45 is provided with an elastic rubber pad to further strengthen the protection of the die body.

The support frame 1 is fixedly connected with a lower die 6 through a mounting block, the support frame 1 is provided with an ejection assembly 9, the ejection assembly 9 comprises a threaded sleeve 91, a support plate 92, a reset telescopic rod 93, a push rod 94 and a clamping groove 95, threads are formed in the rod wall of the rotating rod 42 below the gear 44, the threaded sleeve 91 in threaded connection is mounted on the rotating rod 42, the support plate 92 in fixed connection is mounted on one side surface of the threaded sleeve 91, one end of the support plate 92 extends out of a mounting groove formed in the inner side wall of the support frame 1, the reset telescopic rod 93 in fixed connection is mounted on one side of the top end of the support plate 92, the other end of the reset telescopic rod 93 is fixedly connected with the bottom of the lower die 6, the push rod 94 in fixed connection is mounted at the top of the support plate 92, and the other end of the push rod 94 is inserted into the clamping groove 95 formed in the bottom of the lower die 6;

during operation, after die body shaping and cooling, move the in-process between last mould 3 and lower mould 6 at baffle 45, it removes to drive two thread bush 91 along with the rotation of dwang 42, and the internal thread opposite direction of two thread bush 91, then two thread bush 91 drive backup pad 92 shifts up gradually, and guaranteed the stability of the process of moving up under the telescopic link 93 cooperation that resets, backup pad 92 shifts up and drives ejector pin 94 and shift up and insert and establish to draw-in groove 95 in the ejector pin 94 that is gradually, the cooperation sets up the reset structure on lower mould 6 ejecting with the die body.

A reset mechanism 8 is arranged in the lower die 6, the reset mechanism 8 comprises a reset spring 81, a transmission rod 82, an embedded groove 83 and an embedded block 84, a die cavity is arranged in the lower die 6, the inner bottom wall of the die cavity is provided with the embedded groove 83, a sliding block in sliding connection is arranged in the clamping groove 95, the top end of the sliding block is provided with the transmission rod 82 in fixed connection, the transmission rod 82 is sleeved with the reset spring 81, and the top end of the transmission rod 82 is fixedly provided with the embedded block 84 matched with the embedded groove 83;

during operation, in the process that the ejector rod 94 is inserted into the clamping groove 95, the ejector rod 94 contacts with the bottom of the sliding block first, then the sliding block drives the embedded block 84 to move through the transmission rod 82, the ejector die body is gradually separated from the lower die 6, meanwhile, pressure is applied to the return spring 81, the plurality of ejector rods 94 are arranged and matched with the plurality of die grooves formed in the lower die 6 for use, when the die body is ejected out and taken down, the driving motor 43 rotates reversely, then the rotating rod 42 rotates reversely, then the threaded sleeve 914 moves downwards, the ejector rods 94 are driven by the supporting plate 92 to move downwards and gradually separate from the clamping groove 95, under the elastic force of the return spring 81, the sliding block drives the embedded block 84 to reset through the transmission rod 82, and the embedded block 84 is enabled to be embedded with the embedded groove 83 newly.

Example two

Referring to fig. 6, in a first comparative example, as another embodiment of the present invention, a limiting plate 7 is fixedly connected to one end of a baffle 45; during operation, the setting of limiting plate 7 avoids driving motor 43 out of control for baffle 45 excessively removes, breaks away from the scope of leading to groove 46.

The working principle is that when the device is used, when the existing plastic mold is used for processing a plastic part and when the plastic mold is demolded, the existing demolding device is used for ejecting an upper mold, the mold body is easy to collapse and fly, certain potential safety hazards exist, and meanwhile the quality and the efficiency of demolding of the plastic part can be influenced, the upper mold 3 is driven to be in contact with and extruded by the hydraulic telescopic rod 2, injection molding is carried out, after the mold body is molded and cooled, the hydraulic telescopic rod 2 drives the upper mold 3 to move upwards, meanwhile, the driving motor 43 is started to drive the rotating rod 42 to rotate, the rotating rod 42 drives the gear 44 to rotate while rotating, the gear 44 is meshed with the rack 41 and is connected, then, the gear 44 drives the baffle 45 to move through the rack 41, then, the baffle 45 is gradually moved to the bottom of the upper mold 3, and then the mold body is convenient to eject later, so that the mold body is firstly contacted with the bottom of the baffle 45 after being demolded, thereby ensuring that the mold body cannot collapse, in the process that the baffle 45 moves between the upper mold 3 and the lower mold 6, the two thread sleeves 91 are driven to move along with the rotation of the rotating rod 42, the directions of the internal threads of the two thread sleeves 91 are opposite, then the two thread sleeves 91 drive the support plate 92 to gradually move upwards, and the stability of the moving-upwards process is ensured under the coordination of the resetting telescopic rod 93, the support plate 92 moves upwards to drive the ejector rod 94 to move upwards and gradually insert the ejector rod 94 into the clamping groove 95, in the process that the ejector rod 94 is inserted into the clamping groove 95, the ejector rod 94 is firstly contacted with the bottom of the sliding block, then the sliding block drives the embedded block 84 to move through the driving rod 82, the mold body is gradually separated from the lower mold 6, meanwhile, the pressure is applied to the resetting spring 81, and the arrangement of the ejector rods 94 is matched with the mold grooves arranged on the lower mold 6 for use, when the mold body is ejected and removed, the driving motor 43 rotates reversely, so that the rotating rod 42 rotates reversely, the threaded sleeve 914 moves downward, the supporting plate 92 drives the ejector rod 94 to move downward and gradually separate from the clamping groove 95, and under the elastic force of the return spring 81, the sliding block drives the engaging block 84 to return through the driving rod 82, so that the engaging block 84 is engaged with the engaging groove 83 from the new position.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed.

Claims

1. The utility model provides a plastic mould quick demoulding device which characterized in that: comprises a support frame (1); the die body demoulding device is characterized in that a hydraulic telescopic rod (2) is fixedly mounted on the support frame (1), an upper die (3) is fixedly connected to the output end of the hydraulic telescopic rod (2), a protection mechanism (4) is arranged on the support frame (1), and the protection mechanism (4) is used for preventing a die body after demoulding from collapsing and flying;

protection machanism (4) are including rack (41), dwang (42), driving motor (43), gear (44), baffle (45) and lead to groove (46), fixed connection's driving motor (43) are installed to one side at support frame (1) top, driving motor's (43) output runs through support frame (1) and installs fixed connection's dwang (42) through the shaft coupling, the other end of dwang (42) rotates with the interior diapire of support frame (1) to be connected, install fixed connection's gear (44) on dwang (42), lead to groove (46) have been seted up to a side of support frame (1), install sliding connection's baffle (45) in leading to groove (46), fixed connection's rack (41) are installed to a side of baffle (45), rack (41) are connected with gear (44) meshing.

2. The plastic mold rapid demolding device as claimed in claim 1, wherein: protection machanism (4) are still including stabilizing subassembly (5), just stabilizing subassembly (5) and including spout (51), slider (52) and connecting rod (53), spout (51) have been seted up to the interior roof of support frame (1), install sliding connection's slider (52) in spout (51), fixed connection's connecting rod (53) are installed to the bottom of slider (52), the other end of connecting rod (53) and the top fixed connection of baffle (45).

3. The plastic mold rapid demolding device as claimed in claim 1, wherein: the driving motors (43) are arranged in two groups, and the rotating directions of the two groups of driving motors (43) are opposite.

4. The plastic mold rapid demolding device as claimed in claim 1, wherein: the outer wall of baffle (45) is provided with the elastic rubber pad, the one end fixedly connected with limiting plate (7) of baffle (45).

5. The plastic mold rapid demolding device as claimed in claim 1, wherein: support frame (1) is through installation piece fixedly connected with lower mould (6), be provided with ejecting subassembly (9) on support frame (1), ejecting subassembly (9) include thread bush (91), backup pad (92), telescopic link (93), ejector pin (94) and draw-in groove (95) reset, screw thread has been seted up on the pole wall that dwang (42) is located gear (44) below, install threaded connection's thread bush (91) on dwang (42), fixed connection's backup pad (92) are installed to a side of thread bush (91), the mounting groove that support frame (1) inside wall was seted up is extended to the one end of backup pad (92), fixed connection's telescopic link (93) that resets is installed to one side on backup pad (92) top, the other end of telescopic link (93) and the bottom fixed connection of lower mould (6) reset, fixed connection's ejector pin (94) are installed at the top of backup pad (92), the other end of ejector pin (94) is inserted and is established to draw-in groove (95) seted up bottom lower mould (6).

6. The plastic mold rapid demolding device as claimed in claim 5, wherein: be provided with canceling release mechanical system (8) in lower mould (6), just canceling release mechanical system (8) are including reset spring (81), transfer line (82), gomphosis groove (83) and gomphosis piece (84), be provided with the die cavity in lower mould (6), gomphosis groove (83) have been seted up to the inner diapire of die cavity, install sliding connection's sliding block in draw-in groove (95), fixed connection's transfer line (82) are installed to the top of sliding block, the cover is equipped with reset spring (81) on transfer line (82), the top fixed mounting of transfer line (82) has gomphosis piece (84) with gomphosis groove (83) adaptation.