CN215039931U

CN215039931U - Plastic mould with multiple limiting mechanisms

Info

Publication number: CN215039931U
Application number: CN202120786618.0U
Authority: CN
Inventors: 罗山
Original assignee: Dongguan Yuelian Hardware And Plastic Products Co ltd
Current assignee: Dongguan Yuelian Hardware And Plastic Products Co ltd
Priority date: 2021-04-17
Filing date: 2021-04-17
Publication date: 2021-12-07
Anticipated expiration: 2031-04-17

Abstract

The utility model discloses a plastic mould with multiple stop gear, including bracing piece, base and connecting plate, the cavity is installed on the top of base, and the top of cavity installs the fixed plate, the inside top and the bottom of fixed plate evenly are provided with the through-hole, the bed die is installed on the top of fixed plate, the inside of fixed plate is provided with ejection mechanism, the bracing piece is all installed to base top both sides, the roof is installed on the top of bracing piece, hydraulic cylinder is installed on the inside top of bracing piece, and hydraulic cylinder's bottom installs the connecting plate. The utility model discloses an at the inlet of the inside one end installation of cavity, utilize the inlet, to the inside of condenser pipe fill with the condensate, make the condenser pipe keep low temperature, start the fan, the fan can be with wind through the condenser pipe, blows to the bed die from the through-hole, dispels the heat to the bed die for product cooling's speed improves work efficiency.

Description

Plastic mould with multiple limiting mechanisms

Technical Field

The utility model relates to a plastic mould technical field, in particular to plastic mould with multiple stop gear.

Background

With the continuous improvement of economic level and the rapid development of plastic industry, the demand of people on plastic products is increasing, and the demand on plastic molds is also increasing, the plastic molds are short for combined molds of compression molding, extrusion molding, blow molding and the like, and the plastic molds are various and can be divided into injection molding molds, blow molding molds, compression molding molds and the like.

Patent specification CN207432662U discloses a plastic mold. The plastic mould comprises an upper mould base and a lower mould base, wherein the upper mould base covers the lower mould base to form a mould cavity, a vertically extending lug is arranged on the edge matched with the upper mould base, a groove matched with the lug is arranged on the upper mould base, and a chamfer is arranged at the corner matched with the groove of the lug. Compared with the prior art, the utility model provides a butt joint about plastic mould upper die base and die holder adopt lug and recess realization, have effectively solved the limitation of the combination about prior art L shape structure, have guaranteed the roughness of die cavity inner wall, and do not receive mould machining error's influence, improve the yield, practice thrift the cost.

The prior art scheme has the disadvantages that the plastic mould is not convenient for demoulding, the demoulding difficulty is increased to a certain extent, and the demoulding efficiency of the injection product is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing a plastic mould with multiple stop gear for solve the defect of the drawing of patterns of being not convenient for of current plastic mould.

(II) contents of utility model

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a plastic mould with multiple stop gear, includes bracing piece, base and connecting plate, the cavity is installed on the top of base, and the top of cavity installs the fixed plate, the inside top and the bottom of fixed plate evenly are provided with the through-hole, the bed die is installed on the top of fixed plate, the inside of fixed plate is provided with ejection mechanism, the bracing piece is all installed to base top both sides, the roof is installed on the top of bracing piece, hydraulic cylinder is installed on the inside top of bracing piece, and hydraulic cylinder's bottom installs the connecting plate, expanding spring is all installed to the both sides of connecting plate bottom, and expanding spring's bottom is connected with the inside bottom of bracing piece, the mould is installed to the bottom of connecting plate, the feed inlet is installed on the top of going up the mould.

Preferably, the both sides of roof bottom all are provided with limit structure, limit structure is including fixed block, gag lever post and slider, the both sides in the roof bottom are installed to the gag lever post, the slider is installed in the outside of gag lever post, the fixed block is installed to the bottom of gag lever post, and the bottom of fixed block is connected with the top of cavity.

Preferably, one end of the sliding block is fixedly connected with one end of the connecting plate, and the sliding block and the limiting rod form a sliding structure.

Preferably, the inside of cavity is provided with cooling mechanism, cooling mechanism is including liquid outlet, condenser pipe, inlet and fan, the bottom at the cavity inside is installed to the fan, the condenser pipe is installed on the top of fan, and the inlet is installed to the one end of condenser pipe, the liquid outlet is installed to the other end of condenser pipe.

Preferably, the condenser pipe is installed on the fixing frame, and the condenser pipe is arranged in a snake shape.

Preferably, ejection mechanism is including servo motor, top, master gear, driven gear, pivot, threaded rod, internal thread and movable block, servo motor installs the one side at the fixed plate, the pivot is installed to servo motor's one side, the master gear is evenly installed in the outside of pivot, and the bottom of master gear all installs driven gear, the threaded rod is all installed on driven gear's top, and the outside of threaded rod all installs the movable block, the inside of movable block all install with threaded rod assorted internal thread, the top is all installed on the top of movable block.

Preferably, the driven gear and the main gear are equal in size, and the driven gear and the main gear form a meshing structure.

(III) advantageous effects

The utility model provides a plastic mould with multiple stop gear, its advantage lies in:

(1) the servo motor is started through the servo motor arranged on one side of the fixed plate, the main gear is driven to rotate by the rotating shaft, the driven gear drives the threaded rod to rotate due to the meshed relation, the ejector head is driven by the movable block to move up and down due to the threaded connection relation, and when a product needs to be demolded after being manufactured, the product can be ejected out through the upward movement of the ejector head, so that the demolding of the product is completed, and the demolding efficiency is improved;

(2) the liquid inlet is arranged at one end inside the cavity, condensate is filled into the condensing pipe by the liquid inlet, so that the condensing pipe is kept at low temperature, the fan is started, the fan can blow air to the lower die from the through hole through the condensing pipe, the lower die is cooled, the cooling speed of a product is increased, and the working efficiency is improved;

(3) through the hydraulic cylinder at the inside top installation of bracing piece, start hydraulic cylinder for the connecting plate can the downstream, at the in-process of connecting plate downstream, the stop lever carries on spacingly to the connecting plate, makes the connecting plate be in vertical downstream all the time, utilizes expanding spring's elasticity, plays certain spacing guard action to the connecting plate of downstream, slows down the impact force of connecting plate downstream.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of a partial top view of the cooling mechanism of the present invention;

fig. 3 is a schematic view of a partial structure of the limiting structure of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 5 is a schematic view of a local cross-sectional structure of the ejection mechanism of the present invention.

The reference numerals in the figures illustrate: 1. a support bar; 2. a tension spring; 3. a limiting structure; 301. a fixed block; 302. a limiting rod; 303. a slider; 4. a base; 5. a cavity; 6. a cooling mechanism; 601. a liquid outlet; 602. a condenser tube; 603. a liquid inlet; 604. a fan; 7. a through hole; 8. an ejection mechanism; 801. a servo motor; 802. ejecting the head; 803. a main gear; 804. a driven gear; 805. a rotating shaft; 806. a threaded rod; 807. an internal thread; 808. a movable block; 9. a fixing plate; 10. an upper die; 11. a hydraulic cylinder; 12. a connecting plate; 13. a feed inlet; 14. a lower die; 15. a top plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: a plastic mold with multiple limiting mechanisms comprises a supporting rod 1, a base 4 and a connecting plate 12, wherein a cavity 5 is installed at the top end of the base 4, a fixing plate 9 is installed at the top end of the cavity 5, through holes 7 are uniformly formed in the top end and the bottom end inside the fixing plate 9, a lower mold 14 is installed at the top end of the fixing plate 9, an ejection mechanism 8 is arranged inside the fixing plate 9, the ejection mechanism 8 comprises a servo motor 801, an ejector head 802, a main gear 803, a driven gear 804, a rotating shaft 805, a threaded rod 806, an internal thread 807 and a movable block 808, the servo motor 801 is installed on one side of the fixing plate 9, the type of the servo motor 801 can be SV57, the input end of the servo motor 801 is electrically connected with the output end of a control panel, the rotating shaft 805 is installed on one side of the servo motor 801, the main gear 803 is uniformly installed on the outer side of the rotating shaft 805, and the driven gear 804 is installed at the bottom end of the main gear 803, the top end of the driven gear 804 is provided with a threaded rod 806, the outer side of the threaded rod 806 is provided with a movable block 808, the inner part of the movable block 808 is provided with an internal thread 807 matched with the threaded rod 806, the top end of the movable block 808 is provided with a top 802, the driven gear 804 and the main gear 803 are equal in size, the driven gear 804 and the main gear 803 form a meshing structure, so that transmission is facilitated, after the product is cooled, the servo motor 801 is started, the main gear 803 is driven to rotate by the rotating shaft 805, due to the meshing relationship, the driven gear 804 drives the threaded rod 806 to rotate, and due to the threaded connection relationship, the movable block 808 drives the top 802 to move up and down, and by the upward movement of the top 802, the product can be ejected, demolding of the product is completed, and demolding efficiency is improved;

the support rods 1 are mounted on two sides of the top end of the base 4, the top end of each support rod 1 is provided with the top plate 15, the limiting structures 3 are arranged on two sides of the bottom end of each top plate 15, each limiting structure 3 comprises a fixing block 301, a limiting rod 302 and a sliding block 303, the limiting rods 302 are mounted on two sides of the bottom end of the top plate 15, the sliding blocks 303 are mounted on the outer sides of the limiting rods 302, the fixing blocks 301 are mounted at the bottom ends of the limiting rods 302, the bottom ends of the fixing blocks 301 are connected with the top end of the cavity 5, one ends of the sliding blocks 303 are fixedly connected with one end of the connecting plate 12, the sliding blocks 303 and the limiting rods 302 form a sliding structure, and the verticality of downward movement of the connecting plate 12 is guaranteed;

the top end of the inside of the supporting rod 1 is provided with a hydraulic cylinder 11, the type of the hydraulic cylinder 11 can be SC100, the input end of the hydraulic cylinder 11 is electrically connected with the output end of the control panel, the bottom end of the hydraulic cylinder 11 is provided with a connecting plate 12, two sides of the bottom end of the connecting plate 12 are provided with telescopic springs 2, the bottom ends of the telescopic springs 2 are connected with the bottom end of the inside of the supporting rod 1, required raw materials are injected into the inside of the upper die 10 through a feed inlet 13, the hydraulic cylinder 11 is started, the hydraulic cylinder 11 pushes the connecting plate 12 to move downwards, in the downward movement process of the connecting plate 12, the limiting rod 302 limits the connecting plate 12, so that the connecting plate 12 is always in vertical downward movement, and by utilizing the flexibility of the telescopic springs 2, the connecting plate 12 moving downwards plays a certain limiting protection role, and the impact force of the downward movement of the connecting plate 12 is reduced;

an upper die 10 is installed at the bottom end of a connecting plate 12, a feed inlet 13 is installed at the top end of the upper die 10, a cooling mechanism 6 is arranged inside a cavity 5, the cooling mechanism 6 comprises a liquid outlet 601, a condensation pipe 602, a liquid inlet 603 and a fan 604, the fan 604 is installed at the bottom end inside the cavity 5, the model of the fan 604 can be REX-C100, the input end of the fan 604 is electrically connected with the output end of a control panel, the condensation pipe 602 is installed at the top end of the fan 604, a liquid inlet 603 is installed at one end of the condensation pipe 602, the liquid outlet 601 is installed at the other end of the condensation pipe 602, the condensation pipe 602 is installed on a fixed frame, the condensation pipe 602 is arranged in a snake shape, the cooling strength is enhanced, after the product is molded, the liquid inlet 603 is utilized to fill condensate into the condensation pipe 602, so that the condensation pipe 602 keeps low temperature, the fan 604 is started, the fan 604 can blow wind to the lower die 14 from a through hole 7, the lower die 14 is cooled to accelerate the cooling speed of the product.

The working principle is as follows: when the device is used, firstly, required raw materials are injected into the upper die 10 through the feed inlet 13, the hydraulic cylinder 11 is started, the hydraulic cylinder 11 pushes the connecting plate 12 to move downwards, the limiting rod 302 limits the connecting plate 12 in the downward movement process of the connecting plate 12, so that the connecting plate 12 always moves vertically downwards, and the elasticity of the telescopic spring 2 is utilized to play a certain limiting protection role on the connecting plate 12 moving downwards and reduce the impact force of the downward movement of the connecting plate 12;

secondly, after the product is molded, the liquid inlet 603 is utilized to fill condensate into the condenser pipe 602, so that the condenser pipe 602 keeps low temperature, the fan 604 is started, the fan 604 can blow air to the lower die 14 from the through hole 7 through the condenser pipe 602, the heat of the lower die 14 is dissipated, and the cooling speed of the product is accelerated;

finally, after the product is cooled, the servo motor 801 is started, the main gear 803 is driven by the rotating shaft 805 to rotate, the driven gear 804 drives the threaded rod 806 to rotate due to the meshing relationship, the movable block 808 drives the ejector 802 to move up and down due to the threaded connection relationship, the product can be ejected out through the upward movement of the ejector 802, the product demoulding is completed, and the demoulding efficiency is improved.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a plastic mould with multiple stop gear, includes bracing piece (1), base (4) and connecting plate (12), its characterized in that: a cavity (5) is installed at the top end of the base (4), a fixing plate (9) is installed at the top end of the cavity (5), through holes (7) are uniformly formed in the top end and the bottom end of the inside of the fixing plate (9), a lower die (14) is installed at the top end of the fixing plate (9), an ejection mechanism (8) is arranged in the fixing plate (9), and supporting rods (1) are installed on two sides of the top end of the base (4);

a top plate (15) is installed at the top end of the supporting rod (1), a hydraulic cylinder (11) is installed at the top end inside the supporting rod (1), and a connecting plate (12) is installed at the bottom end of the hydraulic cylinder (11);

extension spring (2) are all installed to the both sides of connecting plate (12) bottom, and the bottom of extension spring (2) is connected with the inside bottom of bracing piece (1), mould (10) are installed to the bottom of connecting plate (12), feed inlet (13) are installed on the top of going up mould (10).

2. The plastic mold with multiple limiting mechanisms according to claim 1, wherein: the both sides of roof (15) bottom all are provided with limit structure (3), limit structure (3) are including fixed block (301), gag lever post (302) and slider (303), the both sides in roof (15) bottom are installed in gag lever post (302), slider (303) are installed in the outside of gag lever post (302), fixed block (301) are installed to the bottom of gag lever post (302), and the bottom of fixed block (301) is connected with the top of cavity (5).

3. The plastic mold with multiple limiting mechanisms according to claim 2, wherein: one end of the sliding block (303) is fixedly connected with one end of the connecting plate (12), and the sliding block (303) and the limiting rod (302) form a sliding structure.

4. The plastic mold with multiple limiting mechanisms according to claim 1, wherein: the inside of cavity (5) is provided with cooling mechanism (6), cooling mechanism (6) are including liquid outlet (601), condenser pipe (602), inlet (603) and fan (604), the bottom in cavity (5) inside is installed in fan (604), condenser pipe (602) are installed on the top of fan (604), and inlet (603) are installed to the one end of condenser pipe (602), liquid outlet (601) are installed to the other end of condenser pipe (602).

5. The plastic mold with multiple limiting mechanisms according to claim 4, wherein: the condenser pipe (602) is arranged on the fixing frame, and the condenser pipe (602) is arranged in a snake shape.

6. The plastic mold with multiple limiting mechanisms according to claim 1, wherein: ejecting mechanism (8) are including servo motor (801), top (802), main gear (803), driven gear (804), pivot (805), threaded rod (806), internal thread (807) and movable block (808), one side at fixed plate (9) is installed in servo motor (801), pivot (805) are installed to one side of servo motor (801), main gear (803) are evenly installed to the outside of pivot (805), and driven gear (804) are all installed to the bottom of main gear (803), threaded rod (806) are all installed to the top of driven gear (804), and movable block (808) are all installed to the outside of threaded rod (806), the inside of movable block (808) all installs internal thread (807) with threaded rod (806) assorted, top (802) are all installed on the top of movable block (808).

7. The plastic mold with multiple limiting mechanisms according to claim 6, wherein: the driven gear (804) and the main gear (803) are equal in size, and the driven gear (804) and the main gear (803) form a meshing structure.