CN211518327U

CN211518327U - Core pulling device for plastic mold

Info

Publication number: CN211518327U
Application number: CN201922047819.4U
Authority: CN
Inventors: 张祥; 张梦臣; 高欣颖
Original assignee: Taixing Chuanda Plastic Industry Co ltd
Current assignee: Taixing Chuanda Plastic Industry Co ltd
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2020-09-18
Anticipated expiration: 2029-11-23

Abstract

The utility model discloses a plastic mold is with device of loosing core, the on-line screen storage device comprises a base, the top central point of base puts and is provided with the lower mould, the top of base has the frame through bolt locking, the inner chamber top central point of frame puts and has electric telescopic handle through screw locking, electric telescopic handle's bottom is provided with the mould, and goes up the top that the mould is located the lower mould, the bottom central point of going up the mould puts and is provided with the down tube, the right side of going up the mould is pegged graft and is had the pipe of moulding plastics, the die cavity has been seted up on the upper surface right side of lower mould, the inner chamber of die cavity is embedded to have the product, the draw-in groove has been seted up on the left side. This plastic mold is with device of loosing core, the device can effectually improve injection mold stability when loosing core the operation, has improved production efficiency, more accords with actual user demand.

Description

Core pulling device for plastic mold

Technical Field

The utility model relates to the technical field of mold, specifically be a plastic mold is with device of loosing core.

Background

A die (mj-mu), various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping and the like in industrial production, in short, the die is a tool for manufacturing a molded article, the tool is composed of various parts, different dies are composed of different parts, the processing of the appearance of the article is realized mainly by changing the physical state of the molded material, and the die is plain with the name of 'industrial mother';

after the pipe fitting cooling shaping, utilize the hydraulic pressure mechanism of loosing core to loose core to the core, the hydraulic pressure mechanism of loosing core itself is with higher costs, and the operation is also too stable, leads to loosing core the failure, and if ejection mechanism restarts this moment will push out the pipe fitting, will cause the damage to parts such as the core of mould, influence production safety and production efficiency, be not conform to actual user demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic mold is with device of loosing core to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a core pulling device for a plastic mold comprises a base, wherein a lower mold is arranged at the top center of the base, a frame is locked at the top end of the base through bolts, an electric telescopic rod is locked at the top center of an inner cavity of the frame through screws, an upper mold is arranged at the bottom end of the electric telescopic rod and is positioned at the top end of the lower mold, an inclined rod is arranged at the bottom center of the upper mold, an injection molding pipe is inserted into the right side of the upper mold, a mold cavity is formed in the right side of the upper surface of the lower mold, a product is embedded into the inner cavity of the mold cavity, a clamping groove is formed in the left surface of the product, a supporting plate is inserted into the bottom end of the inner cavity of the mold cavity and is positioned at the top end of the supporting plate, a rectangular block is embedded into the inner cavity of the left side of the lower mold, an inserting rod, the bottom of rectangle piece is provided with the connecting rod, the bottom of connecting rod is provided with the pinion rack, both ends all are provided with the slider about the front side of pinion rack, the inner chamber front side surface of lower mould seted up with slider assorted spout, the outer loop of the equal fixedly connected with bearing in both ends about the bottom inner chamber right side of lower mould, the inner ring interference fit screw rod of bearing, the outer wall bottom interference fit of screw rod has the gear that links to each other with the pinion rack meshing, the outer wall bottom threaded connection of screw rod has the rectangular plate, the equal symmetry in left and right sides of rectangular plate is provided with the bracing piece, the top of bracing piece and the bottom fixed connection of backup pad.

Preferably, the included angle between the inclined rod and the horizontal plane is 60 degrees.

Preferably, the number of the sliding blocks is two, and the two sliding blocks are respectively positioned at the left side and the right side of the front end of the toothed plate.

Preferably, the gear is located at a rear side of the toothed plate.

Preferably, the number of the support rods is two, and the two support rods are symmetrically arranged relative to the screw rod.

Compared with the prior art, the beneficial effects of the utility model are that: this plastics mould is with device of loosing core, through electric telescopic handle normal start after the pulling go up the mould and drive the down tube rebound, promote the rectangular block through the down tube and drive the inserted bar, connecting rod and pinion rack move to the left side, the inserted bar shifts out from the inner chamber of draw-in groove, it is rotatory to impel the gear to drive the screw rod through the pinion rack, impel the rectangular plate through the bracing piece promotion backup pad and product rebound through the screw rod, thereby realize the drawing of patterns, the device can effectually improve injection mold stability when loosing core the operation, with low costs and the operation is reliable, great degree avoided loosing core failure trouble, ejection mechanism's safe operation has been guaranteed, the production efficiency is improved, more accord with practical user demand.

Drawings

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

FIG. 2 is a cross-sectional view of the lower mold of the present invention;

fig. 3 is a top view of the gear of the present invention.

In the figure: 1. the base, 2, lower mould, 3, frame, 4, electric telescopic handle, 5, go up the mould, 6, down tube, 7, injection molding pipe, 8, die cavity, 9, product, 10, draw-in groove, 11, backup pad, 12, rectangular block, 13, inserted bar, 14, slot, 15, connecting rod, 16, pinion rack, 17, slider, 18, spout, 19, screw rod, 20, gear, 21, rectangular plate, 22, bracing piece.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a core pulling device for a plastic mold comprises a base 1, a lower mold 2 is arranged at the top center of the base 1, a frame 3 is locked at the top end of the base 1 through bolts, an electric telescopic rod 4 is locked at the top center of an inner cavity of the frame 3 through bolts, an upper mold 5 is arranged at the bottom end of the electric telescopic rod 4, the upper mold 5 is positioned at the top end of the lower mold 2, an inclined rod 6 is arranged at the bottom center of the upper mold 5, the upper mold 5 is pulled and the inclined rod 6 is driven to move upwards after the electric telescopic rod 4 is normally started, the inclined rod 6 moves upwards, meanwhile, a rectangular block 12 is pushed to drive an inserting rod 13 and a connecting rod 15 to move towards the left side through the matching relation between the inclined rod 6 and a slot 14, the inserting rod 13 is conveniently moved out of an inner cavity of a clamping groove 10, an injection molding pipe 7 is inserted and connected to the right side of the, the left side surface of the product 9 is provided with a clamping groove 10, the bottom end of the inner cavity of the die cavity 8 is inserted with a supporting plate 11, the product 9 is positioned at the top end of the supporting plate 11, a rectangular block 12 is embedded in the left side inner cavity of the lower die 2, the right side of the rectangular block 12 is provided with an inserting rod 13 matched with the clamping groove 10, the top end surface of the rectangular block 12 is provided with a slot 14 matched with the inclined rod 6, the bottom end of the rectangular block 12 is provided with a connecting rod 15, the bottom end of the connecting rod 15 is provided with a toothed plate 16, the left end and the right end of the front side of the toothed plate 16 are both provided with sliding blocks 17, the upper die 5 is pulled and the inclined rod 6 is driven to move upwards after the electric telescopic rod 4 is normally started, the inclined rod 6 pushes the rectangular block 12 to drive the connecting rod 15 and the sliding blocks 17 to move towards the left side in the inner cavity of the sliding, the upper end and the lower end of the right side of the bottom end inner cavity of the lower die 2 are fixedly connected with outer rings of bearings, the inner rings of the bearings are in interference fit with a screw rod 19, the bottom end of the outer wall of the screw rod 19 is in interference fit with a gear 20 meshed with a toothed plate 16, the upper die 5 is pulled and the inclined rod 6 is driven to move upwards after the electric telescopic rod 4 is normally started, the rectangular block 12 is pushed by the inclined rod 6 to drive the connecting rod 15 and the toothed plate 16 to move towards the left side, the gear 20 is convenient to drive the screw rod 19 to rotate through the relation that the toothed plate 16 is meshed with the gear 20, the bottom end of the outer wall of the screw rod 19 is in threaded connection with a rectangular plate 21, the upper die 5 is pulled and the inclined rod 6 is driven to move upwards after the electric telescopic rod 4 is normally started, the rectangular block 12 is pushed by the inclined rod 6 to drive the inserted rod 13, the connecting rod 15, the screw rod 19 enables the rectangular plate 21 to push the supporting plate 11 and the product 9 to move upwards through the supporting rod 22, so that demolding is achieved, the supporting rods 22 are symmetrically arranged on the left side and the right side of the rectangular plate 21, and the top ends of the supporting rods 22 are fixedly connected with the bottom end of the supporting plate 11.

The following electric devices have the following types and functions:

the model of electric telescopic handle 4 is NKLA22, and electric telescopic handle 4 is connected with external power supply, and external power supply is the 380V alternating current, and the external power supply who switches on or breaks electric telescopic handle 4 makes its work or stop work.

As a preferred scheme, furthermore, the included angle between the diagonal rod 6 and the horizontal plane is 60 degrees, the upper die 5 is pulled and the diagonal rod 6 is driven to move upwards after the electric telescopic rod 4 is normally started, and the diagonal rod 6 pushes the rectangular block 12 to drive the insertion rod 13 and the connecting rod 15 to move towards the left side through the matching relation between the diagonal rod 6 and the slot 14 while moving upwards, so that the insertion rod 13 is conveniently moved out of the inner cavity of the clamping groove 10.

As preferred scheme, further, the quantity of slider 17 is two, and two sliders 17 are located the front end left and right sides of pinion rack 16 respectively, through electric telescopic handle 4 normal start back pull go up mould 5 and drive down tube 6 rebound, and down tube 6 pushes away rectangular block 12 and drives connecting rod 15 and slider 17 to the left side at the inner chamber of spout 18 removal in rebound, plays support and stabilizing action to pinion rack 16 through slider 17.

As preferred scheme, further, gear 20 is located the rear side of pinion rack 16, through electric telescopic handle 4 normal start back pull go up mould 5 and drive down tube 6 rebound, through down tube 6 promotion rectangle piece 12 drive connecting rod 15 and pinion rack 16 to the left side removal, through the relation that pinion rack 16 and gear 20 meshing link to each other, makes things convenient for gear 20 to drive screw 19 rotatory.

As a preferred scheme, furthermore, the number of the support rods 22 is two, and the two support rods 22 are symmetrically arranged relative to the screw rod 19, after the electric telescopic rod 4 is normally started, the upper die 5 is pulled and the inclined rod 6 is driven to move upwards, the rectangular block 12 is driven by the inclined rod 6 to drive the inserted link 13, the connecting link 15 and the toothed plate 16 to move towards the left side, the inserted link 13 is moved out of the inner cavity of the clamping groove 10, the gear 20 is driven by the toothed plate 16 to drive the screw rod 19 to rotate, and the rectangular plate 21 is driven by the screw rod 19 to drive the support plate 11 and the product 9 to move upwards through the support rods 22, so.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet control requirements, specific connection and control sequence.

When the injection molding machine is used, a power supply of the electric telescopic rod 4 is switched on, injection molding materials are injected into an inner cavity of the mold cavity 8 through the injection molding pipe 7 through the injection molding machine, after a product 9 is cooled and molded, the electric telescopic rod 4 is started, the upper mold 5 is pulled and the inclined rod 6 is driven to move upwards after the electric telescopic rod 4 is normally started, the inclined rod 6 pushes the upper mold 5 and drives the inclined rod 6 to move upwards, the rectangular block 12 is pushed to drive the inserted rod 13 and the connecting rod 15 to move towards the left side through the matching relation of the inclined rod 6 and the slot 14 while the inclined rod 6 moves upwards, the inserted rod 13 is moved out of the inner cavity of the clamping groove 10, the connecting rod 15 drives the toothed plate 16 to move towards the left side, the gear 20 drives the screw rod 19 to rotate through the meshing connection relation of the toothed plate 16 and the gear 20, the rectangular plate 21 pushes the support plate 11 and the product 9 to move upwards through the support, the inner chamber of slot 14 is moved into to down tube 6 to pulling rectangular block 12 and driving inserted bar 13, connecting rod 15 and pinion rack 16 and move to the right side, make gear 20 drive screw rod 19 reverse rotation through pinion rack 16, make rectangular plate 21 drive backup pad 11 through bracing piece 22 through screw rod 19 and move downwards and reset, the device simple structure controls convenient to use, stability when can effectually improve injection mold operation of loosing core more accords with actual user demand.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "disposed," "coupled," "plugged," "welded," "clamped," and the like are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a device of loosing core for plastic mold, includes base (1), its characterized in that: the device is characterized in that a lower die (2) is arranged at the center of the top end of a base (1), a frame (3) is locked at the top end of the base (1) through bolts, an electric telescopic rod (4) is locked at the center of the top end of an inner cavity of the frame (3) through bolts, an upper die (5) is arranged at the bottom end of the electric telescopic rod (4), the upper die (5) is positioned at the top end of the lower die (2), an inclined rod (6) is arranged at the center of the bottom end of the upper die (5), an injection molding pipe (7) is inserted into the right side of the upper die (5), a die cavity (8) is arranged on the right side of the upper surface of the lower die (2), a product (9) is embedded into the inner cavity of the die cavity (8), a clamping groove (10) is arranged on the left side surface of the product (9), a supporting plate (, the inner cavity of the left side of the lower die (2) is embedded with a rectangular block (12), the right side of the rectangular block (12) is provided with an inserted bar (13) matched with a clamping groove (10), the top end surface of the rectangular block (12) is provided with a slot (14) matched with an inclined bar (6), the bottom end of the rectangular block (12) is provided with a connecting rod (15), the bottom end of the connecting rod (15) is provided with a toothed plate (16), the left end and the right end of the front side of the toothed plate (16) are respectively provided with a sliding block (17), the front side surface of the inner cavity of the lower die (2) is provided with a sliding groove (18) matched with the sliding block (17), the upper end and the lower end of the right side of the inner cavity of the bottom end of the lower die (2) are respectively and fixedly connected with an outer ring of a bearing, the inner ring of the bearing is in interference fit with a screw, the outer wall bottom end threaded connection of screw rod (19) has rectangular plate (21), the equal symmetry in left and right sides of rectangular plate (21) is provided with bracing piece (22), the top of bracing piece (22) and the bottom fixed connection of backup pad (11).

2. The core pulling device for plastic molds according to claim 1, characterized in that: the included angle between the inclined rod (6) and the horizontal plane is 60 degrees.

3. The core pulling device for plastic molds according to claim 1, characterized in that: the quantity of slider (17) is two, and two sliders (17) are located the front end left and right sides of pinion rack (16) respectively.

4. The core pulling device for plastic molds according to claim 1, characterized in that: the gear (20) is located at the rear side of the toothed plate (16).

5. The core pulling device for plastic molds according to claim 1, characterized in that: the number of the support rods (22) is two, and the two support rods (22) are symmetrically arranged relative to the screw rod (19).