CN212888754U

CN212888754U - Injection molding machine special for white board marker

Info

Publication number: CN212888754U
Application number: CN202021403494.5U
Authority: CN
Inventors: 林勇
Original assignee: Lishui Boren Electronic Technology Co ltd
Current assignee: Lishui Boren Electronic Technology Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-04-06
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses a special injection molding machine for white board marker, which comprises a base, wherein a top plate is fixed at the upper end of the base through a support rod, an injection molding machine is arranged in the top plate, a hydraulic cylinder is fixed at the lower surface of the base, a die holder is fixed at the end surface of a hydraulic rod at the upper end of the hydraulic cylinder, a die cover is fixed at an injection nozzle of the injection molding machine, a die core is arranged on the die holder, die grooves are arranged on the die cover and the die holder, the die core extends into the die groove of the die cover, a diversion pore passage is arranged on the inner side surface of the die cover, a diversion groove is arranged at the pressing part of the die cover and the die holder to communicate with all the die grooves, a T-shaped thimble is inserted into the inner side surface of the lower die groove of the die holder through a T-shaped hole, a support plate can be jacked when the die holder descends after the die holder is, the cost is low.

Description

Injection molding machine special for white board marker

Technical Field

The utility model relates to a blank pen processing field, more specifically say, relate to a special injection molding machine of blank pen.

Background

The white board pen is a tool for writing on a white board, is similar to chalk of a blackboard, uses ink as ink, can be written on the smooth white board and can be erased by using the white board eraser;

when the white board pen is machined, the white board pen is different from other pens, the pen point is not arranged in an integrated structure, the used injection molding equipment has the following defects that a first pen holder formed after injection molding is inconvenient to take off materials, and the whole injection molding equipment is complex and high in cost.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a special injection molding machine of blank pen, through after moulding plastics, but jack-up backup pad when the die holder descends drives the pen-holder after the shaping in the T shape thimble jack-up die cavity, is convenient for take off the material, and top-down integrated into one piece moulds plastics simultaneously, its simple structure, and is with low costs.

In order to solve the above problems, the utility model adopts the following technical proposal.

An injection molding machine special for a white board pen comprises a base, a top plate is fixed at the upper end of the base through a support rod, an injection molding machine is arranged in the top plate, a hydraulic cylinder is fixed on the lower surface of the base, a die holder is fixed on the end surface of a hydraulic rod at the upper end of the hydraulic cylinder, a die cover is fixed at the injection nozzle of the injection molding machine, a die core is arranged on the die holder, die grooves are arranged on the die cover and the die holder, the die core extends into the die cavity of the die cover, the inner side surface of the die cover is provided with a flow guide pore passage, the press-fit part of the die cover and the die holder is provided with a flow guide groove which penetrates through all the die cavities, the inner side surface of the die cavity at the lower end of the die holder is inserted with a T-shaped thimble through a T-shaped hole, after injection molding, the supporting plate can be jacked up when the die holder descends to drive the T-shaped thimble to jack up the pen holder formed in the die cavity, so that stripping is facilitated, and meanwhile, injection molding is integrally formed from top to bottom.

Furthermore, a support plate is fixed on the lower surface of the T-shaped thimble, a round hole is formed in the middle end of the support plate and is sleeved outside the hydraulic rod, and the support plate can support the T-shaped thimble.

Furthermore, the support plate is downwards extruded by the pressing spring sleeved on the hydraulic rod, the support plate can be reversely extruded, and the T-shaped thimble can be tightly pressed in the T-shaped hole and cannot be raised.

Furthermore, the T-shaped thimbles are distributed at four corners of the die cavity of the die holder, are distributed at four points, and are convenient to jack up during stripping.

Furthermore, the outer side of the lower end of the die holder is provided with a sliding hole which is sleeved outside the supporting rod to slide, and the die holder can be positioned and supported in a sliding mode when moving up and down.

Compared with the prior art, the utility model has the advantages of:

(1) after injection molding, the supporting plate can be jacked up when the die holder descends to drive the T-shaped thimble to jack up the pen holder formed in the die cavity, so that stripping is facilitated, and meanwhile, injection molding is integrally formed from top to bottom.

(2) The lower surface of the T-shaped thimble is fixed with a supporting plate, the middle end of the supporting plate is provided with a round hole which is sleeved outside the hydraulic rod, and the supporting plate can support the T-shaped thimble.

(3) The support plate is downwards extruded by the pressing spring sleeved on the hydraulic rod, and can be reversely extruded, so that the T-shaped thimble can be tightly pressed in the T-shaped hole and cannot be raised.

(4) The T-shaped thimbles are distributed at four corners of the die cavity of the die holder, are distributed at four points and are convenient to jack up during stripping.

(5) The outer side of the lower end of the die holder is provided with a sliding hole which is sleeved outside the supporting rod to slide, and the die holder can be positioned and supported in a sliding manner when moving up and down.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view (cross-sectional view) of the present invention at the position A;

fig. 3 is a top view of the local structure of the die holder of the present invention.

The reference numbers in the figures illustrate:

the injection molding machine comprises a base 1, a supporting rod 2, a top plate 3, an injection molding machine 4, a die holder 5, a die cover 6, a die core 50, a die groove 56, a 500T-shaped thimble, a supporting plate 501, a pressure spring 502, a hydraulic cylinder 10 and a hydraulic rod 11.

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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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. 1-3, a special injection molding machine for white board marker includes a base 1, a top plate 3 is fixed on the upper end of the base 1 through a support rod 2, an injection molding machine 4 is arranged in the top plate 3, a hydraulic cylinder 10 is fixed on the lower surface of the base 1, a mold base 5 is fixed on the end surface of a hydraulic rod 11 on the upper end of the hydraulic cylinder 10, a mold cover 6 is fixed at an injection nozzle of the injection molding machine 4, a mold core 50 is arranged on the mold base 5, mold grooves 56 are arranged on the mold cover 6 and the mold base 5, the mold core 50 extends into the mold groove 56 of the mold cover 6, a flow guide channel 60 is arranged on the inner side surface of the mold cover 6, a flow guide channel 560 is arranged at the pressing part of the mold cover 6 and the mold base 5 and penetrates through all the mold.

Referring to fig. 1-3, a support plate 501 is fixed on the lower surface of the T-shaped thimble 500, a circular hole is formed at the middle end of the support plate 501 and is sleeved outside the hydraulic rod 11, the support plate 501 can support the T-shaped thimble 500, a pressure spring 502 is sleeved on the hydraulic rod 11 and pushes the support plate 501 downwards, the support plate 501 can be extruded reversely, the T-shaped thimble 500 can be tightly pressed in the T-shaped hole without protruding, the T-shaped thimble 500 is distributed at four corners of the die slot 56 of the die holder 5 and is distributed at four points, jacking is facilitated during stripping, a sliding hole is formed at the outer side of the lower end of the die holder 5 and is sleeved outside the support rod 2 to slide, and the die holder.

When the injection molding machine is used, a mold cover 6 is fixed at an injection molding nozzle of the injection molding machine 4, a mold core 50 is arranged on the mold base 5, mold grooves 56 are arranged on the mold cover 6 and the mold base 5, the mold core 50 extends into the mold groove 56 of the mold cover 6, a flow guide pore passage 60 is arranged on the inner side surface of the mold cover 6, a flow guide groove 560 is arranged at the pressing part of the mold cover 6 and the mold base 5 and penetrates all the mold grooves 56, the injection molding can be performed through the injection molding machine 4 (the prior art), the injection molding liquid flows into the mold grooves 56 through the flow guide pore passage 60 and the flow guide groove 560 to be molded, after cooling, a hydraulic cylinder 10 (the product in the prior art) drives a hydraulic rod 11 to descend, so that the mold base 5 descends, a T-shaped thimble 500 is inserted through a T-shaped hole on the inner side surface of the mold groove 56 at the lower end of the mold base 5, a support plate 501 is fixed on the lower surface of the T-shaped, at this time, the T-shaped thimble 500 rises to jack up the injection molded penholder, and as the injection molding liquid flows in the guide groove 560, all the penholders are connected after cooling, the penholders which jack up four corners and all the penholders can be jacked up, so that the stripping is facilitated;

the integral injection molding mechanism is simple and low in cost.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a special injection molding machine of whiteboard pen, includes base (1), its characterized in that: a top plate (3) is fixed at the upper end of the base (1) through a support rod (2), an injection molding machine (4) is arranged in the top plate (3), a hydraulic cylinder (10) is fixed on the lower surface of the base (1), a die holder (5) is fixed on the end surface of a hydraulic rod (11) at the upper end of the hydraulic cylinder (10), a mould cover (6) is fixed at the injection nozzle of the injection machine (4), a mould core (50) is arranged on the mould base (5), the die cover (6) and the die holder (5) are provided with a die groove (56), the mould core (50) extends into a mould groove (56) of the mould cover (6), the inner side surface of the die cover (6) is provided with a flow guide pore passage (60), the press fit part of the die cover (6) and the die holder (5) is provided with a flow guide groove (560) which penetrates through all the die grooves (56), and a T-shaped thimble (500) is inserted into the inner side surface of the lower end die cavity (56) of the die holder (5) through a T-shaped hole.

2. The injection molding machine special for the whiteboard marker as claimed in claim 1, wherein: the lower surface of the T-shaped thimble (500) is fixed with a support plate (501), and the middle end of the support plate (501) is provided with a round hole which is sleeved outside the hydraulic rod (11).

3. The injection molding machine special for the whiteboard marker as claimed in claim 1, wherein: the hydraulic rod (11) is sleeved with a pressure spring (502) to press the support plate (501) downwards.

4. The injection molding machine special for the whiteboard marker as claimed in claim 1, wherein: the T-shaped thimbles (500) are distributed on four corners of a die cavity (56) of the die holder (5).

5. The injection molding machine special for the whiteboard marker as claimed in claim 1, wherein: the outer side of the lower end of the die holder (5) is provided with a sliding hole which is sleeved outside the support rod (2) to slide.