CN211566761U - Inner grain demoulding structure of plastic product injection mould - Google Patents

Abstract

The utility model discloses a plastic product injection mold's interior line demoulding structure, including the upper cover plate, the slide has been seted up to the both sides of upper cover plate, and the inside of slide is inserted and is equipped with interior pole, the bottom mounting of interior pole even has the injection mold body, and the inside of injection mold body inserts and is equipped with the slider, the inside of right side of slider is inserted and is equipped with the fixture block, the top of fixture block articulates there is first hinge bar, and the right side of first hinge bar articulates there is the slide bar, the inside at the connecting rod is inserted to the slide bar, the right side of slide bar articulates there is the second hinge bar, and the top of second hinge bar articulates there is the press ram. The utility model discloses be provided with slider and ejector pad, outwards remove through slider pulling line board and enlarge the die cavity space, the rotatory ejector pad that promotes of bull stick upward movement releases forming die, through will pressing the pull upwards pulling of depression bar, makes the fixture block break away from the block of slider to change pressing the depression bar.

Description

Inner grain demoulding structure of plastic product injection mould

Technical Field

The utility model relates to an injection mold technical field specifically is a plastic product injection mold's interior line demoulding structure.

Background

The tool for making blank into product with specific shape and size under the action of external force is widely used in blanking, die forging, cold heading, extrusion, powder metallurgy product pressing, pressure casting and the forming process of compression molding or injection molding of engineering plastics, rubber, ceramics and other products.

At present, the injection mold in the market is difficult to take out due to the influence of factors such as the shape and the grains of the mold after the mold is formed, so that the inner grain demolding structure of the injection mold of the plastic product is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic product injection mold's interior line demoulding structure to solve the difficult problem of taking out of mould shaping back that provides among the above-mentioned background art because of the line.

In order to achieve the above object, the utility model provides a following technical scheme: an inner grain demoulding structure of an injection mould for plastic products comprises an upper cover plate, wherein slide ways are arranged on two sides of the upper cover plate, an inner rod is inserted in each slide way, the bottom end of the inner rod is fixedly connected with an injection mould body, a slide block is inserted in the injection mould body, a fixture block is inserted in the right side of the slide block, the top end of the fixture block is hinged with a first hinge rod, the right side of the first hinge rod is hinged with a slide rod, the slide rod is inserted in the connecting rod, the right side of the slide rod is hinged with a second hinge rod, the top end of the second hinge rod is hinged with a press rod, the press rod is inserted in a grain plate, a rotating pipe is fixedly connected at the center position of the left side of the slide block, a knob is sleeved on the surface of the rotating pipe, the right side of the knob is inserted in the injection mould body, a bottom plate is fixed at, and a rotating rod is inserted in the center of the inner part of the bottom plate, a fixed block is sleeved on the surface of the rotating rod, the top end of the fixed block is fixedly connected to the bottom end of the bottom plate, the top end of the rotating rod is inserted in the push block, a crank is fixed at the bottom end of the rotating rod, and an injection port is formed in the center of the upper cover plate.

Preferably, the inner wall of the slide way is abutted against the surface of the inner rod, and the slide way and the inner rod form a telescopic structure.

Preferably, the inner wall of the injection mold body is provided with a sliding groove, the inner wall of the sliding groove is abutted to the two ends of the sliding block, and the sliding block and the sliding groove form a sliding structure.

Preferably, the right side of the sliding block is provided with a clamping groove, the inner wall of the clamping groove is abutted to the surface of the clamping block, and the clamping block and the clamping groove form a clamping structure.

Preferably, the surface of the slide bar is abutted against the inner wall of the connecting rod, and the slide bar and the connecting rod form a sliding structure.

Preferably, the inner wall of the knob is fixed with an internal thread, the surface of the rotating pipe is fixed with an external thread, and the external thread of the rotating pipe is matched with the internal thread of the knob for use.

Compared with the prior art, the beneficial effects of the utility model are that: the device is provided with slider and ejector pad, outwards removes through slider pulling line board and enlarges the die cavity space, and the rotatory ejector pad that promotes of bull stick upwards moves, releases forming die, through upwards pulling according to the depression bar, makes the fixture block break away from the block of slider to change the line board.

(1) The device is provided with slider and ejector pad, through rotating the knob, makes the rotatory slider that promotes of bull stick outwards remove, and slider pulling line board outwards removes to enlarge the die cavity space, the rotatory ejector pad that promotes of bull stick upwards moves, releases forming die, solves the problem of taking out forming die difficulty because of the line problem.

(2) Through will pressing the pull upwards of depression bar, make the fixture block break away from the block of slider to change the line board, thereby change various lines to the fashioned mould of needs, avoid the condition of a die cavity only a line to appear, reduce the cost of purchasing the machine.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 3 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention;

fig. 4 is the left side view section schematic diagram of the knob and injection mold body structure of the present invention.

In the figure: 1. an upper cover plate; 2. a slideway; 3. an inner rod; 4. an injection mold body; 5. a clamping block; 6. a base plate; 7. a slider; 8. a first hinge lever; 9. a slide bar; 10. a crank; 11. a fixed block; 12. a rotating rod; 13. a push block; 14. a second hinge lever; 15. a connecting rod; 16. an injection port; 17. pipe rotation; 18. a knob; 19. a corrugated board; 20. the lever is pressed.

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. 1-4, the present invention provides an embodiment: an inner grain demoulding structure of an injection mould of a plastic product comprises an upper cover plate 1, wherein two sides of the upper cover plate 1 are provided with slide ways 2, an inner rod 3 is inserted in each slide way 2, the inner wall of each slide way 2 is abutted against the surface of the inner rod 3, each slide way 2 and the inner rod 3 form a telescopic structure, the upper cover plate 1 is pressed downwards to enable the slide ways 2 to slide on the surface of the inner rod 3, the inner rods 3 provide tracks for the upper cover plate 1 to slide downwards to prevent deviation, the bottom end of each inner rod 3 is fixedly connected with an injection mould body 4, a slide block 7 is inserted in each injection mould body 4, the inner wall of each injection mould body 4 is provided with a slide groove, the inner wall of each slide groove is abutted against two ends of the slide block 7, each slide block 7 and the slide groove form a slide type structure, each slide block 7 slides on the inner wall of each slide groove of the injection mould body 4 to control, a clamping block 5 is inserted in the right side of the sliding block 7.

The right side of the sliding block 7 is provided with a clamping groove, the inner wall of the clamping groove is abutted against the surface of the clamping block 5, the clamping block 5 and the clamping groove form a clamping structure, the clamping block 5 is clamped inside the sliding block 7 to fasten the vein plate 19, when the clamping block 5 is loosened and separated from the clamping of the sliding block 7, the vein plate 19 can be replaced, the top end of the clamping block 5 is hinged with a first hinged rod 8, the right side of the first hinged rod 8 is hinged with a sliding rod 9, the surface of the sliding rod 9 is abutted against the inner wall of a connecting rod 15, the sliding rod 9 and the connecting rod 15 form a sliding structure, the sliding rod 9 slides on the inner wall of the connecting rod 15, so as to control the clamping degree of the clamping block 5, the clamping structure is one of important components for replacing the vein plate 19, the sliding rod 9 is inserted inside the connecting rod 15, the right side of the sliding rod 9 is hinged with a second hinged rod 14, the left center of the sliding block 7 is fixedly connected with a rotating pipe 17, and the surface of the rotating pipe 17 is sleeved with a knob 18.

The inner wall of the knob 18 is fixed with internal threads, the surface of the rotating pipe 17 is fixed with external threads, the external threads of the rotating pipe 17 are matched with the internal threads of the knob 18 for use, the rotating pipe 17 is rotated by the rotation of the knob 18, thereby the rotating pipe 17 moves in the knob 18 to push the slide block 7 to move, the size of the inner space of the die cavity can be controlled through the operation, the auxiliary push block 13 takes out the forming die in the die cavity, the right side of the knob 18 is inserted in the injection die body 4, the bottom end of the injection die body 4 is fixed with the bottom plate 6, a rotating rod 12 is inserted in the center of the bottom plate 6, a fixed block 11 is sleeved on the surface of the rotating rod 12, the top end of the fixed block 11 is fixedly connected to the bottom end of the bottom plate 6, the top end of the rotating rod 12 is inserted into the pushing block 13, the bottom end of the rotating rod 12 is fixedly provided with a crank 10, and the center of the upper cover plate 1 is provided with an injection port 16.

The working principle is as follows: when the injection molding machine is used, according to the attached drawings 1, 2, 3 and 4, the upper cover plate 1 is pressed downwards to be tightly fit with the injection mold body 4, a heated plastic product is injected into the mold cavity of the injection mold body 4 through the injection port 16, the knob 18 is rotated after the plastic mold is molded, the knob 18 is rotated on the surface groove of the injection mold body 4, the knob 18 is rotated to drive the rotating pipe 17 to move in the knob 18, the slide block 7 is slid in the injection mold body 4 by the pulling force of the rotating pipe 17, so that the grain plate 19 is pulled to move outwards through the connecting rod 15, the crank 10 is rotated at the moment, the crank 10 is rotated to drive the rotating rod 12 to rotate, the rotating rod 12 is rotated in the fixed block 11 to push the push block 13 to move upwards, so as to push up the molded plastic product in the mold cavity, the plastic product is convenient to take out, when the grain plate 19 needs to be replaced, the grain plate 19 can be pushed outwards through the slide block 7, according to the depression bar 20 through second articulated rod 14 with connecting rod 15 pulling right, connecting rod 15 pulls the fixture block 5 motion through first articulated rod 8 in the motion, when fixture block 5 removed suitable position, fixture block 5 breaks away from the block of slider 7, takes out line board 19 from the die cavity this moment, changes line board 19, and this moment, the operation finishes.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a plastic product injection mold's interior line demoulding structure, includes upper cover plate (1), its characterized in that: the improved injection molding device is characterized in that slide ways (2) are arranged on two sides of an upper cover plate (1), an inner rod (3) is inserted into the slide ways (2), an injection mold body (4) is fixedly connected to the bottom end of the inner rod (3), a slide block (7) is inserted into the injection mold body (4), a fixture block (5) is inserted into the right side of the slide block (7), a first hinge rod (8) is hinged to the top end of the fixture block (5), a slide rod (9) is hinged to the right side of the first hinge rod (8), the slide rod (9) is inserted into a connecting rod (15), a second hinge rod (14) is hinged to the right side of the slide rod (9), a pressing rod (20) is hinged to the top end of the second hinge rod (14), the pressing rod (20) is inserted into a grain circuit board (19), and a rotating pipe (17) is fixedly connected to the center position of the left side of the, and the surface of runner pipe (17) has cup jointed knob (18), the inside of establishing injection mold body (4) is inserted on the right side of knob (18), the bottom mounting of injection mold body (4) has bottom plate (6), and the inside central point department of putting of bottom plate (6) inserts and is equipped with bull stick (12), fixed block (11) have been cup jointed on the surface of bull stick (12), and the top fixed connection of fixed block (11) is in the bottom of bottom plate (6), the inside of establishing ejector pad (13) is inserted on the top of bull stick (12), the bottom mounting of bull stick (12) has crank (10), injection port (16) have been seted up to the central point department of putting of upper cover plate (1).

2. The inner grain demolding structure of the plastic product injection mold as claimed in claim 1, wherein: the inner wall of the slide way (2) is abutted to the surface of the inner rod (3), and the slide way (2) and the inner rod (3) form a telescopic structure.

3. The inner grain demolding structure of the plastic product injection mold as claimed in claim 1, wherein: the inner wall of the injection mold body (4) is provided with a sliding groove, the inner wall of the sliding groove is abutted to the two ends of the sliding block (7), and the sliding block (7) and the sliding groove form a sliding structure.

4. The inner grain demolding structure of the plastic product injection mold as claimed in claim 1, wherein: the right side of the sliding block (7) is provided with a clamping groove, the inner wall of the clamping groove is abutted to the surface of the clamping block (5), and the clamping block (5) and the clamping groove form a clamping structure.

5. The inner grain demolding structure of the plastic product injection mold as claimed in claim 1, wherein: the surface of the sliding rod (9) is abutted to the inner wall of the connecting rod (15), and the sliding rod (9) and the connecting rod (15) form a sliding structure.

6. The inner grain demolding structure of the plastic product injection mold as claimed in claim 1, wherein: the fixed inner wall of knob (18) has the internal thread, the surface mounting of rotating-tube (17) has the external screw thread, and the external screw thread of rotating-tube (17) and the internal thread of knob (18) cooperate and use.

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