阅读说明：本技术 一种旋转式吹瓶机的模壳开闭锁机构 (Mould shell opening and closing lock mechanism of rotary bottle blowing machine ) 是由 蔡志义 王海飞 周志鹏 徐忠 唐光海 于 2019-07-18 设计创作，主要内容包括：本发明涉及一种旋转式吹瓶机的模壳开闭锁机构,包括中轴、右模壳、左模壳、左锁定板、右锁定板、扭簧、旋转臂、第一转轴和滚动组件；滚动组件包括第二转轴、隔套、滚动轴承和螺母；本发明借助右锁定板与左锁定板实现了左右模壳的自动锁定和解锁,操作简单,劳动强度低,省时省力,有效提高了生产效率。(The invention relates to a mould shell locking and unlocking mechanism of a rotary bottle blowing machine, which comprises a middle shaft, a right mould shell, a left locking plate, a right locking plate, a torsion spring, a rotating arm, a first rotating shaft and a rolling assembly, wherein the middle shaft is connected with the right mould shell through a rotating shaft; the rolling assembly comprises a second rotating shaft, a spacer bush, a rolling bearing and a nut; the invention realizes the automatic locking and unlocking of the left and right formworks by means of the right locking plate and the left locking plate, has simple operation, low labor intensity, time and labor saving and effectively improves the production efficiency.)

1. A mould shell locking and unlocking mechanism of a rotary bottle blowing machine comprises a middle shaft, a right mould shell, a left locking plate, a right locking plate, a torsion spring, a rotating arm, a first rotating shaft and a rolling assembly; the left mould shell and the right mould shell are matched with each other and arranged on a middle shaft, and the right mould shell can rotate around the middle shaft; the upper end and the lower end of the inner side of the left locking plate are respectively provided with a first notch and a second notch, and correspondingly, the upper end and the lower end of the inner side of the right locking plate are respectively outwards provided with a first L-shaped clamping block and a second L-shaped clamping block; the middle part of the inner side of the left locking plate is provided with two T-shaped notches, and correspondingly, the middle part of the inner side of the right locking plate is outwards provided with two T-shaped clamping blocks; a rotating arm is fixed at the lower end of the right locking plate; two rolling assemblies are arranged on the rotating arm.

2. The mold shell locking and unlocking mechanism of the rotary bottle blowing machine as claimed in claim 1, wherein the outer end of the right mold shell is outwardly formed with a support block and two seat blocks, the support block is disposed below the two seat blocks, correspondingly, the outer side of the right locking plate is respectively outwardly formed with a top block, a middle block and a bottom block from top to bottom, the top block is disposed above one seat block on the upper side, the bottom block is disposed above the support block, the middle block is disposed between the two seat blocks, and the first rotating shaft is vertically inserted and connected between the support block, the top block, the middle block, the bottom block and the two seat blocks.

3. The mold shell locking and unlocking mechanism of the rotary bottle blowing machine as claimed in claim 2, wherein the torsion spring is arranged between the bottom block and a seat block at the lower side, one end of the torsion spring is embedded in the bottom block, and the other end of the torsion spring is pressed against the front side of the outer end of the right mold shell.

4. The mold shell opening and closing lock mechanism of the rotary bottle blowing machine according to claim 1, wherein the rolling assembly comprises a second rotating shaft, a spacer bush, a rolling bearing and a nut; the vertical interlude of second pivot is connected in the swinging boom, the nut cover is established the spiro union in the upper end of second pivot and is laminated the upside at the swinging boom, antifriction bearing cover is established the lower extreme of second pivot and is located the below of swinging boom, the spacer sleeve cover is established in the second pivot and is located between antifriction bearing and the swinging boom.

Technical Field

The invention relates to a mould shell locking and unlocking mechanism of a rotary bottle blowing machine.

Background

In the bottle blowing process of the rotary bottle blowing machine, when high-pressure air is blown into a bottle blank, the bottle blank expands outwards under the action of high pressure and extrudes the left and right mould shells outwards, and at the moment, the left and right mould shells are always connected together by virtue of an opening and closing lock mechanism arranged between the left and right mould shells to ensure that a bottle cavity is formed smoothly.

The front end of the left and right mould shells of the existing locking and unlocking mechanism is provided with a plurality of pin sleeves which are matched with each other, when the left and right mould shells are mutually spliced, the pin shaft is manually inserted into each pin sleeve on the left and right mould shells to realize locking, and after the forming is completed, the pin shaft is manually pulled out to release the locking, so that the operation is troublesome, the labor intensity is high, time and labor are wasted, the production efficiency is influenced, and the further improvement is to be waited.

Disclosure of Invention

Aiming at the current situation of the prior art, the technical problem to be solved by the invention is to provide the mould shell opening and closing lock mechanism of the rotary bottle blowing machine, which realizes the automatic locking and unlocking of the left and right mould shells, has the advantages of simple operation, low labor intensity, time and labor saving and effectively improves the production efficiency.

The technical scheme adopted by the invention for solving the technical problems is as follows: a mould shell locking and unlocking mechanism of a rotary bottle blowing machine comprises a middle shaft, a right mould shell, a left locking plate, a right locking plate, a torsion spring, a rotating arm, a first rotating shaft and a rolling assembly; the left mould shell and the right mould shell are matched with each other and arranged on a middle shaft, and the right mould shell can rotate around the middle shaft; the upper end and the lower end of the inner side of the left locking plate are respectively provided with a first notch and a second notch, and correspondingly, the upper end and the lower end of the inner side of the right locking plate are respectively outwards provided with a first L-shaped clamping block and a second L-shaped clamping block; the middle part of the inner side of the left locking plate is provided with two T-shaped notches, and correspondingly, the middle part of the inner side of the right locking plate is outwards provided with two T-shaped clamping blocks; a rotating arm is fixed at the lower end of the right locking plate; two rolling assemblies are arranged on the rotating arm.

Preferably, the outer end of right side mould shell is outwards formed with tray and two seat pieces, the below of two seat pieces is located to the tray, correspondingly, the outside of right locking plate is from last outwards being formed with kicking block, well piece and bottom block respectively down, the top of a seat piece of upside is located to the kicking block, the top of tray is located to the bottom block, well piece is located between two seat pieces, the vertical interlude of first pivot is connected between tray, kicking block, well piece, bottom block and two seat pieces.

Preferably, the torsion spring is arranged between the bottom block and one seat block on the lower side, one end of the torsion spring is embedded in the bottom block, and the other end of the torsion spring is pressed on the front side of the outer end of the right formwork.

Preferably, the rolling assembly comprises a second rotating shaft, a spacer, a rolling bearing and a nut; the vertical interlude of second pivot is connected in the swinging boom, the nut cover is established the spiro union in the upper end of second pivot and is laminated the upside at the swinging boom, antifriction bearing cover is established the lower extreme of second pivot and is located the below of swinging boom, the spacer sleeve cover is established in the second pivot and is located between antifriction bearing and the swinging boom.

Compared with the prior art, the invention has the advantages that: the invention realizes the automatic locking and unlocking of the left and right formworks by means of the right locking plate and the left locking plate, has simple operation, low labor intensity, time and labor saving and effectively improves the production efficiency.

Drawings

FIG. 1 is a right front side structural view of the present invention;

FIG. 2 is a front view structural diagram of the present invention;

FIG. 3 is a view showing the construction of the engagement of the left and right locking plates of the present invention;

fig. 4 is a top view structural diagram of the present invention.

Detailed Description

As shown in fig. 1 to 4, a mold shell locking and unlocking mechanism of a rotary bottle blowing machine comprises a middle shaft 1, a right mold shell 4, a left mold shell 2, a left locking plate 3, a right locking plate 5, a torsion spring 6, a rotating arm 7, a first rotating shaft 8 and a rolling assembly; the left mould shell 2 and the right mould shell 4 are arranged on the middle shaft 3 in a mutually matched mode, the right mould shell 4 can rotate around the middle shaft 1, the outer end of the left mould shell 2 is fixedly provided with a left locking plate 3, the right locking plate 5 is rotatably arranged at the outer end of the right mould shell 4 through a first rotating shaft 8 and is mutually matched with the left locking plate 3, and a torsion spring 6 is sleeved on the first rotating shaft 8 and is respectively mutually matched with the outer ends of the right locking plate 5 and the right mould shell 4; a first notch 32 and a second notch 33 are respectively formed at the upper end and the lower end of the inner side of the left locking plate 3, and correspondingly, a first L-shaped fixture block 54 and a second L-shaped fixture block 55 are respectively formed at the upper end and the lower end of the inner side of the right locking plate 5; the middle part of the inner side of the left locking plate 3 is provided with two T-shaped notches 31, and correspondingly, the middle part of the inner side of the right locking plate 5 is outwards provided with two T-shaped clamping blocks 56; a rotating arm 7 is fixed at the lower end of the right locking plate 5; the rotating arm 7 is provided with two rolling assemblies, the outer end of the right formwork 4 is outwards provided with a support block 41 and two seat blocks 42, the support block 41 is arranged below the two seat blocks 42, correspondingly, the outer side of the right locking plate 5 is outwards provided with a top block 52, a middle block 51 and a bottom block 53 from top to bottom respectively, the top block 52 is arranged above one seat block 42 on the upper side, the bottom block 53 is arranged above the support block 41, the middle block 51 is arranged between the two seat blocks 42, the first rotating shaft 8 is vertically and alternately connected among the support block 41, the top block 52, the middle block 51, the bottom block 53 and the two seat blocks 42, the torsion spring 6 is arranged between the bottom block 53 and one seat block 42 on the lower side, one end of the torsion spring 6 is embedded in the bottom block 53, and the other end of the torsion spring 6 is tightly pressed on the front side of the outer end of the right formwork; the rolling assembly comprises a second rotating shaft 9, a spacer bush 10, a rolling bearing 11 and a nut 12; the second rotating shaft 9 is vertically inserted and connected in the rotating arm 7, the nut 12 is sleeved on the upper end of the second rotating shaft 9 and attached to the upper side of the rotating arm 7, the rolling bearing 11 is sleeved on the lower end of the second rotating shaft 9 and arranged below the rotating arm 7, and the spacer sleeve 10 is sleeved on the second rotating shaft 9 and arranged between the rolling bearing 11 and the rotating arm 7.

When the bottle opener is used, the outer sides of the two rolling assemblies are respectively provided with a guide rail which is matched with each other, external force acts on one rolling bearing 11, the rolling bearing 11 rolls forwards along one guide rail, so that the rotating arm 7 is opened outwards, the right locking plate 5 is driven to rotate forwards around the first rotating shaft 8, the two T-shaped clamping blocks 56 are separated from the two T-shaped notches 31, and meanwhile, the first L-shaped clamping block 54 and the second L-shaped clamping block 55 are separated from the first notch 32 and the second notch 33 respectively, so that the right locking plate 5 is not connected with the left locking plate 3, the right mould shell 4 can rotate outwards around the middle shaft 1 by utilizing the rotary connection of the right mould shell 4, a formed bottle arranged between the left mould shell 2 and the right mould shell 4 can be taken out, and the torsion spring 6 is compressed in a rotating manner; when a new bottle blank is placed between the left mold shell 2 and the right mold shell 4, the right mold shell 4 is firstly folded again, then the external force is withdrawn from one rolling bearing 11, the other rolling bearing 11 rolls backwards along the other guide rail, the right locking plate 5 rotates backwards around the first rotating shaft 8 under the action of the rebound force of the torsion spring 6, and then the two T-shaped clamping blocks 56 are clamped into the two T-shaped notches 31 again, and simultaneously the first L-shaped clamping block 54 and the second L-shaped clamping block 55 are clamped into the first notch 32 and the second notch 33 again respectively, so that the right locking plate 5 is automatically locked on the left locking plate 3, and the left mold shell 2 and the right mold shell 4 are prevented from being separated from each other.

In the bottle blowing process of the rotary bottle blowing machine, when high-pressure air is blown into a bottle blank, the bottle blank expands outwards under the action of high pressure and extrudes a left mould shell and a right mould shell outwards, and at the moment, the left mould shell and the right mould shell are always connected together by virtue of an opening and closing lock mechanism arranged between the left mould shell and the right mould shell to ensure that a bottle cavity is formed smoothly; most of the existing locking and unlocking mechanisms are provided with a plurality of pin sleeves which are matched with each other at the front ends of a left mould shell and a right mould shell, when the left mould shell and the right mould shell are mutually spliced, a pin shaft is manually inserted into each pin sleeve on the left mould shell and the right mould shell to realize locking, and after the forming is finished, the pin shaft is manually pulled out to release the locking, so that the operation is troublesome, the labor intensity is high, time and labor are wasted, and the production efficiency is influenced; the invention realizes the automatic locking and unlocking of the left and right formworks by means of the right locking plate 5 and the left locking plate 3, has simple operation, low labor intensity, time and labor saving and effectively improves the production efficiency.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.