CN214448180U

CN214448180U - Demoulding mechanism for injection mould

Info

Publication number: CN214448180U
Application number: CN202022881155.4U
Authority: CN
Inventors: 陈弘
Original assignee: Wuhan Boyue Mold Technology Co ltd
Current assignee: Wuhan Boyue Mold Technology Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-10-22
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a demoulding mechanism for an injection mould, which comprises a base, wherein a motor is fixedly arranged on the inner wall of the top of the base, the output end of the motor is connected with a rotating shaft in a rotating way, a second rotating wheel is fixedly arranged on the outer wall of the rotating shaft, a second belt is connected with the outer wall of the second rotating wheel in a transmission way, a third rotating wheel is connected with the inner wall of the second belt in a transmission way, a second threaded rod is fixedly arranged on the inner wall of the third rotating wheel, a fourth rotating wheel is fixedly arranged on the outer wall of the rotating shaft, a first belt is connected with the outer wall of the fourth rotating wheel in a transmission way, a first rotating wheel is connected with the inner wall of the first belt in a transmission way, a first threaded rod is fixedly arranged on the inner wall of the first rotating wheel, a second threaded sleeve is connected with the outer wall of the first threaded rod in a threaded way, a bottom plate is fixedly arranged on one side of the second threaded sleeve, a lower die holder and an upper die holder are respectively moved upwards and downwards through a first threaded rod and a second threaded rod structure, thereby the effect of messenger's drawing of patterns is better to ejector pin structure through setting up can be ejecting with the mould, has made things convenient for taking out of mould.

Description

Demoulding mechanism for injection mould

Technical Field

The utility model belongs to the technical field of injection mold, specifically be a demoulding mechanism for injection mold.

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.

Injection mold is extremely difficult drawing of patterns behind cooling forming, only exerts oneself to last mould among the traditional drawing of patterns mode, fixes the bed die, and unilateral exerting oneself can not be fine drawing of patterns, and the mould has dust and impurity after long-time the use, in case fixed just difficult washing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the above-mentioned problems, a mold releasing mechanism for an injection mold is provided.

The utility model adopts the technical scheme as follows: a demoulding mechanism for an injection mould comprises a base, wherein a motor is fixedly arranged on the inner wall of the top of the base, the output end of the motor is rotatably connected with a rotating shaft, a second rotating wheel is fixedly arranged on the outer wall of the rotating shaft, a second belt is connected to the outer wall of the second rotating wheel in a transmission manner, a third rotating wheel is connected to the inner wall of the second belt in a transmission manner, a second threaded rod is fixedly arranged on the inner wall of the third rotating wheel, a fourth rotating wheel is fixedly arranged on the outer wall of the rotating shaft, a first belt is connected to the outer wall of the fourth rotating wheel in a transmission manner, a first rotating wheel is connected to the inner wall of the first belt in a transmission manner, a first threaded rod is fixedly arranged on the inner wall of the first rotating wheel, a second threaded sleeve is in threaded connection with the outer wall of the first threaded rod, a bottom plate is fixedly arranged on one side of the second threaded sleeve, a sliding groove is arranged on the top of the bottom plate, and a sliding block is connected to the inner wall of the sliding groove, the die comprises a sliding block and a bottom plate, and is characterized in that a lower die base is fixedly mounted at the top of the sliding block, a limiting groove is formed in the top of the bottom plate, a first thread sleeve is in threaded connection with the outer wall of a first threaded rod, a top plate is fixedly mounted on one side of the first thread sleeve, an upper die base is fixedly mounted at the bottom of the top plate, a pouring gate is arranged at the top of the upper die base, a pouring pipe is arranged at the bottom of the pouring gate, and a limiting rod is fixedly mounted on the outer wall of the bottom of the top plate.

In a preferred embodiment, the size of the bottom of the limiting rod is matched with the size of the limiting groove, the limiting groove is located on one side of the top of the bottom plate, and the horizontal distance between the bottom plate and the top of the sliding groove is the same as the length of the lower die holder.

In a preferred embodiment, a limiting plate is fixedly mounted at the top of the first threaded rod, two reverse thread structures are arranged on the outer walls of the first threaded rod and the second threaded rod, and the sliding groove and the first thread sleeve are respectively in threaded connection with the two thread structures.

In a preferred embodiment, a cushion is fixedly installed on the outer wall of the top of the base, and an ejector rod is arranged on the top of the cushion and penetrates through the bottom plate and the inner wall of the lower die holder.

In a preferred embodiment, a mold cavity is arranged inside the lower die holder, and the mold cavity is communicated with the pouring pipe.

In a preferred embodiment, the number of the first threaded sleeves and the number of the second threaded sleeves are two, and the first threaded sleeves and the second threaded sleeves are symmetrically distributed at the central position of the top plate.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the first threaded rod and the second threaded rod structure that set up, upwards and the downstream respectively with die holder and upper die base to make the effect of drawing of patterns better, and can be ejecting with the mould through the ejector pin structure that sets up, made things convenient for taking out of mould.

2. The utility model discloses in, through the gag lever post and the spout structure that set up, can take out the die holder from the bottom plate top to made things convenient for the cleanness to die holder and bottom plate, the gag lever post structure can be fixed the die holder in the bottom plate top, limits its displacement, and guarantees the accuracy of die holder and upper die base butt joint.

Drawings

Fig. 1 is a sectional view of a demolding mechanism for an injection mold of the present invention;

fig. 2 is a top view of the bottom plate structure of the present invention;

fig. 3 is a side view of the top plate structure of the present invention.

The labels in the figure are: the casting mold comprises a base 1, a base 2, a first rotating wheel, a first threaded rod 3, a first belt 4, a motor 5, a second rotating wheel 6, a second belt 7, a third rotating wheel 8, a second threaded rod 9, a fourth rotating wheel 10, an ejector rod 11, a bottom plate 12, a lower mold base 13, a top plate 14, a pouring pipe 15, a pouring gate 16, an upper mold base 17, a limiting plate 18, a first threaded sleeve 19, a mold cavity 20, a sliding block 21, a second threaded sleeve 22, a sliding chute 23, a soft cushion 24, a limiting groove 25, a limiting rod 26 and a rotating shaft 27.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are 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 efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a demoulding mechanism for an injection mould comprises a base 1, a motor 5 is fixedly installed on the inner wall of the top of the base 1, a rotating shaft 27 is rotatably connected to the output end of the motor 5, a second rotating wheel 6 is fixedly installed on the outer wall of the rotating shaft 27, a second belt 7 is connected to the outer wall of the second rotating wheel 6 in a transmission manner, a third rotating wheel 8 is connected to the inner wall of the second belt 7 in a transmission manner, a second threaded rod 9 is fixedly installed on the inner wall of the third rotating wheel 8, a fourth rotating wheel 10 is fixedly installed on the outer wall of the rotating shaft 27, a first belt 4 is connected to the outer wall of the fourth rotating wheel 10 in a transmission manner, a first rotating wheel 2 is connected to the inner wall of the first belt 4 in a transmission manner, a first threaded rod 3 is fixedly installed on the inner wall of the first rotating wheel 2, a second threaded sleeve 22 is connected to the outer wall of the first threaded rod 3 in a threaded manner, a limiting plate 18 is fixedly installed on the top of the first threaded rod 3, and two reverse threaded structures are arranged on the outer walls of the first threaded rod 3 and the second threaded rod 9, the second threaded sleeve 22 and the first threaded sleeve 19 are respectively in threaded connection with the two threaded structures, a bottom plate 12 is fixedly installed on one side of the second threaded sleeve 22, a sliding groove 23 is formed in the top of the bottom plate 12, a sliding block 21 is connected to the inner wall of the sliding groove 23 in a sliding manner, a lower die base 13 is fixedly installed on the top of the sliding block 21, a die cavity 20 is arranged inside the lower die base 13, the die cavity 20 is communicated with a pouring pipe 15, the number of the first threaded sleeve 19 and the number of the second threaded sleeve 22 are two, the first threaded sleeve 19 and the second threaded sleeve 22 are symmetrically distributed in the central position of a top plate 14, a cushion 24 is fixedly installed on the outer wall of the top of a base 1, a top rod 11 is arranged on the top of the cushion 24, the top rod 11 penetrates through the inner walls of the bottom plate 12 and the lower die base 13, a limiting groove 25 is formed in the top of the bottom plate 12, the outer wall of the first threaded rod 3 is in threaded connection with the first threaded sleeve 19, and the structure of the first threaded sleeve 3 and the second threaded sleeve 9 are arranged, the lower die base 13 and the upper die base 17 are respectively moved upwards and downwards, therefore, the demolding effect is better, the mold can be ejected through the arranged ejector rod 11 structure, the mold is convenient to take out, a top plate 14 is fixedly arranged on one side of a first threaded sleeve 19, an upper mold base 17 is fixedly arranged at the bottom of the top plate 14, an injection gate 16 is arranged at the top of the upper mold base 17, an injection pipe 15 is arranged at the bottom of the injection gate 16, a limiting rod 26 is fixedly arranged on the outer wall of the bottom of the top plate 14, the size of the bottom of the limiting rod 26 is matched with the size of a limiting groove 25, the limiting groove 25 is arranged on one side of the top of a bottom plate 12, the horizontal distance between the top of the bottom plate 12 and the top of a sliding groove 23 is the same as the length of a lower mold base 13, the lower mold base 13 can be taken out from the upper side of the bottom plate 12 through the arranged limiting rod 26 and sliding groove 23 structures, the cleaning of the lower mold base 13 and the bottom plate 12 is convenient, the lower mold base 13 can be fixed above the bottom plate 12 through the limiting rod 26 structure, the displacement of the lower mold base is limited, and the accuracy of butt joint of the lower die base 13 and the upper die base 17 is ensured.

The working principle is as follows: the motor 5 is started to rotate the rotating shaft 27, the first threaded rod 3 starts to rotate under the transmission of the fourth rotating wheel 10, the first belt 4 and the first rotating wheel 2, the first threaded sleeve 19 and the second threaded sleeve 22 respectively move downwards and upwards through two threaded structures on the outer wall of the first threaded rod 3 until the upper die base 17 is in butt joint with the lower die base 13, the limiting rod 26 is inserted into the limiting groove 25, pouring liquid is poured into the die cavity 20 from the pouring gate 16 and the pouring pipe 15 for waiting for die forming and cooling, the motor 5 is started again after cooling to rotate reversely, the upper die base 17 is separated from the lower die base 13, the die cooled under the action of the ejector rod 11 is ejected out of the die cavity 20, and after long-time use, the sliding block 21 can be pulled to slide out from the sliding groove 23, so that the bottom plate 12 and the lower die base 13 can be cleaned conveniently.

In this, through the first threaded rod 3 and the 9 structures of second threaded rod that set up, upwards respectively with lower die holder 13 and upper die base 17 with the downstream to the effect that makes the drawing of patterns is better, and can be ejecting with the mould through the ejector pin 11 structure that sets up, has made things convenient for taking out of mould.

In this, through the gag lever post 26 and the spout 23 structure that set up, can take out die holder 13 from bottom plate 12 top to make things convenient for the cleanness to die holder 13 and bottom plate 12, the gag lever post 26 structure can be fixed die holder 13 in the bottom plate 12 top, restricts its displacement, and guarantees the accuracy that die holder 13 and upper die base 17 dock.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a demoulding mechanism for injection mold, includes base (1), its characterized in that: the top inner wall of the base (1) is fixedly provided with a motor (5), the output end of the motor (5) is rotatably connected with a rotating shaft (27), the outer wall of the rotating shaft (27) is fixedly provided with a second rotating wheel (6), the outer wall of the second rotating wheel (6) is connected with a second belt (7), the inner wall of the second belt (7) is connected with a third rotating wheel (8), the inner wall of the third rotating wheel (8) is fixedly provided with a second threaded rod (9), the outer wall of the rotating shaft (27) is fixedly provided with a fourth rotating wheel (10), the outer wall of the fourth rotating wheel (10) is connected with a first belt (4), the inner wall of the first belt (4) is connected with a first rotating wheel (2), the inner wall of the first rotating wheel (2) is fixedly provided with a first threaded rod (3), and the outer wall of the first rotating wheel (3) is in threaded connection with a second threaded sleeve (22), one side fixed mounting of second thread bush (22) has bottom plate (12), the top of bottom plate (12) is provided with spout (23), the inner wall sliding connection of spout (23) has slider (21), the top fixed mounting of slider (21) has die holder (13), the top of bottom plate (12) is provided with spacing groove (25), the outer wall threaded connection of first threaded rod (3) has first thread bush (19), one side fixed mounting of first thread bush (19) has roof (14), the bottom fixed mounting of roof (14) has upper die base (17), the top of upper die base (17) is provided with irritates runner (16), the bottom of irritating runner (16) is provided with irritates and waters pipe (15), the bottom outer wall fixed mounting of roof (14) has gag lever post (26).

2. The mold release mechanism for an injection mold according to claim 1, characterized in that: the size of the bottom of the limiting rod (26) is matched with that of the limiting groove (25), the limiting groove (25) is located on one side of the top of the bottom plate (12), and the horizontal distance between the bottom plate (12) and the top of the sliding groove (23) is the same as the length of the lower die holder (13).

3. The mold release mechanism for an injection mold according to claim 1, characterized in that: first threaded rod (3) top fixed mounting has limiting plate (18), first threaded rod (3) with the outer wall of second threaded rod (9) all is provided with two kinds of reverse thread structures, second thread bush (22) with first thread bush (19) difference threaded connection in these two kinds of thread structures.

4. The mold release mechanism for an injection mold according to claim 1, characterized in that: the outer wall fixed mounting in top of base (1) has cushion (24), the top of cushion (24) is provided with ejector pin (11), ejector pin (11) run through in bottom plate (12) with the inner wall of die holder (13).

5. The mold release mechanism for an injection mold according to claim 1, characterized in that: and a mold cavity (20) is arranged in the lower mold base (13), and the mold cavity (20) is communicated with the pouring pipe (15).

6. The mold release mechanism for an injection mold according to claim 1, characterized in that: the number of the first threaded sleeves (19) and the number of the second threaded sleeves (22) are two, and the first threaded sleeves and the second threaded sleeves are symmetrically distributed at the center of the top plate (14).