CN209971377U

CN209971377U - Injection mold convenient to drawing of patterns

Info

Publication number: CN209971377U
Application number: CN201920594450.6U
Authority: CN
Inventors: 欧海艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-01-21
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses an injection mold convenient to drawing of patterns, including moving die, solid mould and bottom plate, the inside of solid mould is opened there is the die cavity, and the bottom inner wall sliding connection in die cavity has the stripper plate, the bottom inner wall edge in die cavity is opened has stripper ring spout, and the inner wall sliding connection of stripper ring spout has the stripper ring, the both sides at the bottom outer wall middle part of solid mould are fixed with drawing of patterns pneumatic cylinder and auxiliary hydraulic cylinder through the fix with screw respectively, and the bottom outer wall of the stripper plate is passed through the fix with screw to the piston rod one end of drawing of patterns pneumatic cylinder, the bottom outer wall of stripper ring is fixed in through the fix with screw to auxiliary hydraulic cylinder's piston rod one end. The utility model discloses be convenient for take out the work piece, the resistance that receives when can reducing the stripper plate and remove helps prolonging the life of stripper plate, also is favorable to reducing the damage that the stripper plate caused to the shaping work piece, helps improving the cooling effect to the work piece, can accelerate work efficiency, helps improving product quality.

Description

Injection mold convenient to drawing of patterns

Technical Field

The utility model relates to an injection mold technical field especially relates to an injection mold convenient to drawing of patterns.

Background

Injection mold has become an indispensable instrument in the work piece processing at present, and injection mold uses through cover half and movable mould cooperation in the use for the work piece produces different shapes in the casting process, uses in order to cooperate people.

Injection mold pours liquid and cools off the shaping in the mould inside in the use, the liquid of pouring after the cooling forms the shaping work piece, but the shaping work piece is inseparable with laminating between cover half and the movable mould, lead to the fashioned work piece to be difficult to take out, the drawing of patterns is not convenient for, cause certain inconvenience for people's use, branch patent publication is CN 207327465U's patent, a high-efficient injection mold convenient to drawing of patterns is disclosed, the device reciprocates through getting the fixed die plate and promotes shaping work piece and moving die separation, be favorable to improving the convenient degree of drawing of patterns, but only rely on the fixed die plate to shift up to realize the drawing of patterns, the shaping work piece closely laminates with four side inner walls of fixed die, the resistance that leads to the fixed die plate to receive is.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing the injection mold convenient for demolding.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an injection mold convenient to drawing of patterns, includes moving die, fixed die and bottom plate, open the inside of fixed die has the shaping chamber, and the bottom inner wall sliding connection who becomes the shaping chamber has the stripper plate, the bottom inner wall edge of shaping chamber has the stripper ring spout, and the inner wall sliding connection of stripper ring spout has the stripper ring, the both sides at the bottom outer wall middle part of fixed die are fixed with drawing of patterns pneumatic cylinder and auxiliary hydraulic cylinder through the fix with screw respectively, and the bottom outer wall of the stripper plate is passed through the fix with screw to the piston rod one end of drawing of patterns pneumatic cylinder, the bottom outer wall of stripper ring is fixed in through the fix with screw to auxiliary hydraulic cylinder's piston rod one end, the top outer wall of moving die is opened has injection molding hole and venthole, and the inside of injection.

Preferably, the sealing frame is welded to the outer wall of the top of the bottom plate, and the outer wall of the top of the sealing frame is welded to the outer wall of the bottom of the fixed die.

Preferably, the top outer wall of the sealing frame and the bottom outer wall of the fixed mold are both provided with cooling grooves, the bottom of the outer wall of one side of the sealing frame and the top of the outer wall of one side of the fixed mold are both provided with cooling pipe jacks, and the inner walls of the two cooling pipe jacks are both spliced with cooling pipes.

Preferably, the four corners of the outer wall of the top of the fixed die are welded with the die locking rods, and the inner wall of the bottom of each die locking rod is fixed with the electromagnet through screws.

Preferably, the inner walls of the two sides of the mold locking rod are both provided with a locking block sliding groove, the inner walls of the two locking block sliding grooves are both connected with a locking block in a sliding mode, and the outer wall of one side, opposite to the locking block sliding groove, of the locking block is welded with a return spring.

Preferably, the four corners of the outer wall of the bottom of the movable mold are welded with mold guiding rods, and the mold guiding rods are connected to the inside of the mold locking rods in a sliding mode.

Preferably, the bottoms of the outer walls of the two sides of the die guide rod are respectively provided with a locking notch, and the inner wall of each locking notch is fixed with an electromagnet through a screw.

Preferably, the auxiliary hydraulic cylinder and the demolding hydraulic cylinder are both connected with a hydraulic system through hydraulic pipes.

Compared with the prior art, the utility model provides an injection mold convenient to drawing of patterns possesses following beneficial effect:

1. according to the injection mold convenient for demolding, through the arranged demolding ring and the demolding plate, when demolding is carried out, the auxiliary hydraulic cylinder is used for pulling the demolding ring to move downwards, so that the outer walls of four sides of a molded workpiece are separated from the demolding ring, the demolding hydraulic cylinder is started to push the demolding plate to move upwards for demolding, the workpiece is convenient to take out, the resistance borne by the demolding plate during moving can be reduced, the service life of the demolding plate is prolonged, and the damage of the demolding plate to the molded workpiece is reduced;

2. according to the injection mold convenient for demolding, through the arranged cooling tank and the cooling pipe, the cooling liquid is filled into the cooling tank through the cooling pipe, so that the cooling liquid is coated outside a formed workpiece, the cooling effect on the workpiece is improved, and the working efficiency can be accelerated;

3. this injection mold convenient to drawing of patterns through mold locking rod, the mold guiding rod that sets up, magnet, electro-magnet and locking piece, to the electro-magnet circular telegram, the electro-magnet adsorbs the locking piece, blocks mold guiding rod and moves upward, can prevent to mould plastics in-process fixed mould and moving die separation, and the magnetic force inter attraction of magnet and electro-magnet leads the mold rod to receive gravitation, can guarantee that moving die and fixed mould closely laminate, help improving product quality.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the resistance that receives when can reducing the stripper plate and remove, the drawing of patterns of being convenient for also is favorable to reducing the damage that the stripper plate caused to the shaping work piece.

Drawings

Fig. 1 is a schematic structural view of an injection mold convenient for demolding according to the present invention;

FIG. 2 is a schematic cross-sectional view of an injection mold facilitating demolding according to the present invention;

fig. 3 is the utility model provides an injection mold clamping bar's profile structure schematic diagram convenient to drawing of patterns.

In the figure: 1-moving mould, 2-mould guide rod, 3-fixed mould, 4-sealing frame, 5-bottom plate, 6-demoulding plate, 7-demoulding ring, 8-mould locking rod, 9-auxiliary hydraulic cylinder, 10-demoulding hydraulic cylinder, 11-cooling tank, 12-cooling pipe, 13-air outlet hole, 14-injection moulding pipe, 15-locking mouth, 16-reset spring, 17-magnet, 18-locking block and 19-electromagnet.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown 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, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an injection mold convenient for demolding comprises a movable mold 1, a fixed mold 3 and a bottom plate 5, wherein a molding cavity is formed in the fixed mold 3, a demolding plate 6 is slidably connected to the inner wall of the bottom of the molding cavity, a demolding ring sliding groove is formed in the edge of the inner wall of the bottom of the molding cavity, a demolding ring 7 is slidably connected to the inner wall of the demolding ring sliding groove, a demolding hydraulic cylinder 10 and an auxiliary hydraulic cylinder 9 are respectively fixed to two sides of the middle part of the outer wall of the bottom of the fixed mold 3 through screws, one end of a piston rod of the demolding hydraulic cylinder 10 is fixed to the outer wall of the bottom of the demolding plate 6 through screws, one end of a piston rod of the auxiliary hydraulic cylinder 9 is fixed to the outer wall of the bottom of the demolding ring 7 through screws, an injection hole and an air outlet hole 13 are.

The utility model discloses in, the welding of bottom plate 5's top outer wall has sealed frame 4, and the top outer wall of sealed frame 4 welds in the bottom outer wall of deciding mould 3.

The utility model discloses in, cooling bath 11 has all been opened to the top outer wall of sealed frame 4 and the bottom outer wall of deciding mould 3, and has all opened the cooling tube jack bottom one side outer wall of sealed frame 4 and one side outer wall top of deciding mould 3, and the inner wall of two cooling tube jacks is all pegged graft and is had cooling tube 12, injects the coolant liquid to sealed frame 4 inside through cooling tube 12, and the coolant liquid is filled inside cooling bath 11, can accelerate the work piece shaping.

The utility model discloses in, the top outer wall four corners of fixed mould 3 has all welded mode locking pole 8, and the bottom inner wall of mode locking pole 8 has electro-magnet 19 through the fix with screw.

The utility model discloses in, the locking piece spout has all been opened to the both sides inner wall of clamping bar 8, and the equal sliding connection of inner wall of two locking piece spouts has locking piece 18, and the relative one side outer wall welding of locking piece 18 and locking piece spout has reset spring.

The utility model discloses in, all weld in the bottom outer wall four corners of moving mould 1 and lead mould pole 2, and lead 2 sliding connection in the inside of mold locking pole 8 of mould pole, lead mould pole 2 guide and move the moving direction of mould 1, avoid moving mould 3 and moving mould 1 and produce the skew.

The utility model discloses in, the both sides outer wall bottom of leading mould pole 2 has all opened fore shaft 15, and the inner wall of fore shaft 15 has electro-magnet 19 through the fix with screw.

The utility model discloses in, the hydraulic system is all connected with through the hydraulic pressure union coupling to auxiliary hydraulic cylinder 9 and drawing of patterns pneumatic cylinder 10.

The working principle is as follows: the method comprises the steps of inserting a mold guide rod 2 into a mold locking rod 8, closing a fixed mold 1 and a movable mold 3, electrifying an electromagnet 19, enabling the electromagnet 19 to adsorb a locking block 18, preventing the mold guide rod 2 from moving upwards, preventing the fixed mold 3 from being separated from the movable mold 3 in the injection molding process, enabling the magnet 17 to attract the electromagnet 19 with each other by magnetic force, enabling the movable mold 1 to be tightly attached to the fixed mold 3 by the attraction of the mold guide rod 2, injecting liquid into a molding cavity through an injection molding pipe 14, injecting cooling liquid into a cooling groove 11 through a cooling pipe 12, accelerating cooling and molding of a workpiece, starting an auxiliary hydraulic cylinder 9 to pull a demolding ring 7 to move downwards, enabling the outer walls of four sides of the molded workpiece to be separated from the demolding ring 7, and starting a demolding hydraulic cylinder 10 to push a demolding plate 6 to move upwards for.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The injection mold convenient for demolding comprises a movable mold (1), a fixed mold (3) and a bottom plate (5), and is characterized in that a molding cavity is formed in the fixed mold (3), a demolding ring sliding groove is formed in the edge of the bottom inner wall of the molding cavity, a demolding ring sliding groove is formed in the edge of the bottom inner wall of the demolding ring sliding groove, a demolding hydraulic cylinder (10) and an auxiliary hydraulic cylinder (9) are fixed to the two sides of the middle part of the bottom outer wall of the fixed mold (3) through screws respectively, one end of a piston rod of the demolding hydraulic cylinder (10) is fixed to the bottom outer wall of the demolding ring (6) through screws, one end of the piston rod of the auxiliary hydraulic cylinder (9) is fixed to the bottom outer wall of the demolding ring (7) through screws, and an injection molding hole and an air outlet hole (13) are formed in the top outer wall of the movable mold (1), and an injection molding pipe (14) is inserted in the injection molding hole.

2. An injection mold facilitating demolding according to claim 1, wherein the sealing frame (4) is welded to the outer top wall of the bottom plate (5), and the outer top wall of the sealing frame (4) is welded to the outer bottom wall of the fixed mold (3).

3. The injection mold convenient for demolding as claimed in claim 2, wherein the outer wall of the top of the sealing frame (4) and the outer wall of the bottom of the fixed mold (3) are both provided with cooling grooves (11), the bottom of the outer wall of one side of the sealing frame (4) and the top of the outer wall of one side of the fixed mold (3) are both provided with cooling tube insertion holes, and cooling tubes (12) are inserted into the inner walls of the two cooling tube insertion holes.

4. The injection mold convenient to demold as defined in claim 1, wherein mold locking rods (8) are welded at four corners of the outer wall of the top of the fixed mold (3), and electromagnets (19) are fixed to the inner walls of the bottoms of the mold locking rods (8) through screws.

5. The injection mold convenient for demolding as claimed in claim 4, wherein the mold locking rod (8) is provided with locking piece sliding grooves on both inner walls thereof, the locking pieces (18) are slidably connected to the inner walls of the two locking piece sliding grooves, and the outer walls of the locking pieces (18) and the opposite sides of the locking piece sliding grooves are welded with return springs.

6. An injection mold convenient for demolding as claimed in claim 5, wherein the mold guiding rods (2) are welded at four corners of the outer wall of the bottom of the movable mold (1), and the mold guiding rods (2) are slidably connected to the inside of the mold locking rods (8).

7. An injection mold facilitating demolding as claimed in claim 6, wherein locking notches (15) are formed in the bottoms of the outer walls of the two sides of the mold guiding rod (2), and electromagnets (19) are fixed to the inner walls of the locking notches (15) through screws.

8. An injection mould facilitating demoulding according to claim 1, characterised in that the auxiliary hydraulic cylinder (9) and the demoulding hydraulic cylinder (10) are connected to a hydraulic system by hydraulic pipes.