CN212826596U - Injection mold convenient to demold - Google Patents

Abstract

The utility model discloses an injection mold convenient to drawing of patterns, including the moulding-die, the moulding-die outside is fixed with the locating lever, and the outside cover of locating lever is equipped with the die block to the outer wall of die block is fixed with the fixed cylinder of die block, the die block outer wall is equipped with the shaping chamber, and the outer wall of die block has seted up the fixed chamber of ejector pin, the fixed chamber of kicking block has been seted up to shaping intracavity wall, and the inside in the fixed chamber of kicking block is equipped with the kicking block dead lever to the fixed chamber of kicking block is linked together with the fixed intracavity portion of ejector pin, the outside cover of kicking block dead lever is equipped with solid fixed ring of spring and spring, and the one end of kicking block dead lever is fixed with the kicking block, the fixed. This be convenient for drawing of patterns injection mold is inside to be equipped with the disengagement structure, can be quick separate injection molding and moulded die, improve the separation efficiency of injection molding.

Description

Injection mold convenient to demold

Technical Field

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

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

In the use process of the existing injection mold, because the injection mold needs to perform demolding work after injection molding, an injection molding part is separated from a forming mold, and in the demolding process of the common injection mold, the injection molding part is not easy to separate in the separation process, so that the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold convenient to drawing of patterns to the general injection mold that proposes in solving the background art is at the in-process of drawing of patterns, and the injection molding is at the in-process that breaks away from, and the injection molding is difficult to break away from, uses very inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold convenient to drawing of patterns, includes the moulding-die, the moulding-die external fixation has the locating lever, and the outside cover of locating lever is equipped with the die block to the outer wall of die block is fixed with the fixed cylinder of die block, the die block outer wall is equipped with the shaping chamber, and the outer wall of die block has seted up the fixed chamber of ejector pin, the fixed chamber of kicking block has been seted up to shaping intracavity wall, and the inside in the fixed chamber of kicking block is equipped with the kicking block dead lever to the fixed chamber of kicking block is mutually linked together with the fixed intracavity portion of ejector pin, the outside cover of kicking block dead lever is equipped with solid fixed ring of spring and spring, and the one end of kicking block dead lever is fixed with the kick.

Preferably, the number of the positioning rods is at least 4, and the positioning rods are uniformly distributed on the pressing die.

Preferably, the outer wall of the pressing die is provided with a feeding pipe, and the feeding pipe is communicated with the inside of the forming cavity.

Preferably, one end, far away from the ejector block, of the ejector block fixing rod is in an opening shape, a conical protrusion is arranged on the inner side of the opening end of the ejector block fixing rod, and the protrusion of the outer wall of the ejector block fixing rod is arranged in the clamping groove.

Preferably, a sealing plug is arranged in the ejecting block fixing cavity, and one end of the sealing plug is pressed against the ejecting block fixing rod.

Preferably, the external shape of kicking block is identical with the internal shape of kicking block fixed cavity open end, and the one end of kicking block of keeping away from the kicking block dead lever is equal to shaping intracavity wall.

Compared with the prior art, the beneficial effects of the utility model are that: this be convenient for drawing of patterns injection mold is inside to be equipped with the disengagement structure, can be quick separate injection molding and moulded die, improve the separation efficiency of injection molding. The device's locating lever plays the effect of fixed die block removal route, the die block can remove along the direction of locating lever like this, and the moulding-die outer wall is equipped with the inlet pipe moreover, channel-into the shaping intracavity with the material through the inlet pipe, and the open end of kicking block dead lever can block in the outside of push rod, and the kicking block dead lever can push away push rod and kicking block towards the direction of shaping chamber when moving down in addition, make the kicking block push away the injection molding of shaping intracavity portion, realize the work of drawing of patterns.

Drawings

FIG. 1 is a schematic structural view of an injection mold facilitating demolding of the present invention;

FIG. 2 is an enlarged schematic view of the injection mold for facilitating demolding, shown in FIG. 1 and at A;

fig. 3 is the utility model relates to an injection mold kicking block dead lever knot open end structure schematic diagram convenient to drawing of patterns.

In the figure: 1. the device comprises a bottom die fixing cylinder, 2, a positioning rod, 3, a push rod cylinder, 4, a push rod, 5, a bottom die, 6, a pressing die, 7, an inlet pipe, 8, a forming cavity, 9, a sealing plug, 10, an ejector block fixing rod, 11, a spring fixing ring, 12, an ejector rod fixing cavity, 13, an ejector block fixing cavity, 14, an ejector block, 15, a spring, 16 and 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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an injection mold convenient for demolding comprises a pressing mold 6, wherein a positioning rod 2 is fixed outside the pressing mold 6, a bottom mold 5 is sleeved outside the positioning rod 2, a bottom mold fixing cylinder 1 is fixed on the outer wall of the bottom mold 5, at least 4 positioning rods 2 are arranged on the positioning rod 2, the positioning rod 2 of the structure is uniformly distributed on the pressing mold 6, the bottom mold 5 is fixed, the moving path of the bottom mold 5 is controlled, the bottom mold 5 cannot be inclined when moving, a feeding pipe 7 is arranged on the outer wall of the pressing mold 6, the feeding pipe 7 is communicated with the inside of a molding cavity 8, the feeding pipe 7 on the outer wall of the pressing mold 6 of the structure plays a role of guiding materials, the materials can be guided into the molding cavity 8, the molding cavity 8 is arranged on the outer wall of the bottom mold 5, an ejector rod fixing cavity 12 is arranged on the outer wall of the bottom mold 5, an ejector block fixing cavity 13 is arranged on the inner wall of the molding, and the ejector block fixing cavity 13 is communicated with the inside of the ejector rod fixing cavity 12, the inside of the ejector block fixing cavity 13 is provided with a sealing plug 9, one end of the sealing plug 9 is pressed against the ejector block fixing rod 10, the sealing plug 9 of the structure can block the inside of the ejector block fixing cavity 13 to prevent the ejector block fixing rod 10 in the ejector block fixing cavity 13 from being separated, the outside of the ejector block fixing rod 10 is sleeved with a spring fixing ring 11 and a spring 15, one end of the ejector block fixing rod 10 is fixed with an ejector block 14, one end of the ejector block fixing rod 10 far away from the ejector block 14 is in an open shape, the inner side of the open end of the ejector block fixing rod 10 is provided with a conical bulge, the outer wall of the ejector block fixing rod 10 is convexly arranged in a clamping groove 16, the open end of the ejector block fixing rod 10 of the structure can be clamped at the outside of the ejector rod 4, so that the clamping groove 16 on the ejector rod 4 can, make kicking block dead lever 10 take place horizontal removal, the outside shape of kicking block 14 is identical with 13 open end inside shapes of kicking block fixed cavity, and the one end of kicking block 14 of keeping away from kicking block dead lever 10 is with forming 8 inner walls and keeping equal mutually, the kicking block 14 of this structure can be in the fixed cavity of kicking block 13, the kicking block 14 can not influence the shaping work of material like this, and the kicking block 14 can be ejecting with the inside material in shaping 8 inner walls, the work of drawing of patterns carries out, the inside push rod 4 that is equipped with of the fixed chamber 12 of ejector rod, and the one end of push rod 4 is connected with push rod cylinder 3, and draw-in groove 16 has been seted up.

The working principle is as follows: when the injection mold convenient for demolding is used, the device is firstly arranged at a proper place, then a material is guided into a molding cavity 8 through a feeding pipe 7, the molding cavity 8 performs molding work on the material, when demolding is needed, a bottom mold 5 is driven to move on a positioning rod 2 through a bottom mold fixing cylinder 1, the bottom mold 5 is separated from a pressing mold 6, then a push rod cylinder 3 is started, the push rod cylinder 3 pushes a push rod 4 downwards, so that the inner wall of a clamping groove 16 in the outer wall of the push rod 4 pushes an opening inner side protrusion of an ejector block fixing rod 10 towards the molding cavity 8, so that a spring fixing ring 11 on the ejector block fixing rod 10 compresses a spring 15, when the ejector block fixing rod 10 moves, an ejector block 14 at one end of the ejector block fixing rod 10 pushes away the material in the molding cavity 8, an injection molding part in the molding cavity 8 is pushed away, demolding work is realized, and finally the push rod cylinder 3 can move the push rod 4 to the original position, and the spring 15 pushes the top block fixing rod 10 back to its original position to retract the top block 14 into the top block fixing cavity 13, thereby completing a series of works.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. An injection mold facilitating demolding comprises a pressing die (6) and is characterized in that: the die (6) is externally fixed with a positioning rod (2), the outside of the positioning rod (2) is sleeved with a bottom die (5), the outer wall of the bottom die (5) is fixed with a bottom die fixing cylinder (1), the outer wall of the bottom die (5) is provided with a forming cavity (8), the outer wall of the bottom die (5) is provided with an ejector rod fixing cavity (12), the inner wall of the forming cavity (8) is provided with an ejector block fixing cavity (13), the inside of the ejector block fixing cavity (13) is provided with an ejector block fixing rod (10), the ejector block fixing cavity (13) is communicated with the inside of the ejector rod fixing cavity (12), the outside of the ejector block fixing rod (10) is sleeved with a spring fixing ring (11) and a spring (15), one end of the ejector block fixing rod (10) is fixed with an ejector block (14), the inside of the ejector rod fixing cavity (12) is provided with a push rod (4), and one, and the outer wall of the push rod (4) is provided with a clamping groove (16).

2. The injection mold for facilitating demolding as claimed in claim 1, wherein: the number of the positioning rods (2) is at least 4, and the positioning rods (2) are uniformly distributed on the pressing die (6).

3. The injection mold for facilitating demolding as claimed in claim 1, wherein: the outer wall of the pressing die (6) is provided with a feeding pipe (7), and the feeding pipe (7) is communicated with the inside of the forming cavity (8).

4. The injection mold for facilitating demolding as claimed in claim 1, wherein: one end, far away from the ejector block (14), of the ejector block fixing rod (10) is in an opening shape, a conical protrusion is arranged on the inner side of the opening end of the ejector block fixing rod (10), and the protrusion of the outer wall of the ejector block fixing rod (10) is arranged in the clamping groove (16).

5. The injection mold for facilitating demolding as claimed in claim 1, wherein: the ejecting block fixing cavity (13) is internally provided with a sealing plug (9), and one end of the sealing plug (9) is pressed against the ejecting block fixing rod (10).

6. The injection mold for facilitating demolding as claimed in claim 1, wherein: the external shape of the ejector block (14) is matched with the internal shape of the opening end of the ejector block fixing cavity (13), and one end of the ejector block (14), which is far away from the ejector block fixing rod (10), is flush with the inner wall of the forming cavity (8).

Images