CN111113858B

CN111113858B - Quick clamping mechanism of bottle blowing mould

Info

Publication number: CN111113858B
Application number: CN201911319733.0A
Authority: CN
Inventors: 史克涛; 符余朝; 沈吉; 王巍植; 徐金鑫; 肖村; 周凯
Original assignee: Demark Changxing Injection System Co ltd
Current assignee: Demark Changxing Injection System Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-10-09
Anticipated expiration: 2039-12-19
Also published as: CN111113858A

Abstract

The invention provides a quick mold locking mechanism of a bottle blowing mold, which comprises a connecting seat, an upper circular disk, a mold locking disk, a lower circular disk and a bottom mold, wherein a mold locking pin with a pin head diameter larger than a pin neck diameter is arranged on the bottom mold, the connecting seat is provided with the rotatable mold locking disk, the mold locking disk is provided with a through hole b and a first through groove which are respectively matched with the pin head diameter and the pin neck diameter of the mold locking pin, the mold is quickly installed, locked and disassembled in a mode of rotating, locking and reverse rotating and unlocking the mold locking pin and the mold locking disk, the fixing mode is stable and not easy to loosen, a separable rotating wrench is arranged, misoperation is prevented, the safety is good, and the technical problems that the injection mold is troublesome to install, time and labor are wasted, and the production efficiency is influenced in the prior art are solved.

Description

Quick clamping mechanism of bottle blowing mould

Technical Field

The invention relates to the field of installation of bottle blowing molds, in particular to a quick mold locking mechanism for a bottle blowing mold.

Background

The bottle blowing is a process for manufacturing plastic particles into hollow containers by a blow molding process, and comprises stretching, pre-blowing and bottle blowing, wherein the time of three actions is short, but the three actions are necessarily well matched, particularly the overall distribution of materials is determined by the previous two steps, and the quality of the bottle blowing is good. When blowing bottle, the plastic material is first made into bottle blank, after the mold is closed, compressed air is introduced into the blank to make the plastic blank expand to cling to the inner wall of the bottle blowing mold, and after cooling and demolding, various hollow products are obtained. The product obtained by blow molding has good mechanical properties such as tensile property, impact strength and the like, and has good air tightness.

In the bottle blowing process, a bottle blowing mold is needed, the bottle blowing mold is a tool for endowing a plastic product with a complete structure and an accurate size, and in the automatic production process, the corresponding bottle blowing mold needs to be fixed on automatic equipment according to the type of a produced product for batch production.

The Chinese patent with the application number of CN201020647819.4 discloses a rotary type bottle blowing die bottom die blowing device, which comprises a bottle blowing die, wherein the bottle blowing die is divided into a left die and a right die, a die cavity is formed in the bottle blowing die, and the bottom die is arranged below the bottle blowing die. And a blowing hole is formed in the bottom die, when the blown bottle is demoulded, air is blown in from the blowing hole of the bottom die, the bottom of the bottle is cooled through the air, and the bottom of the bottle is blown upwards, so that the bottle is demoulded smoothly.

However, in the above technical scheme, the bottle blowing mold needs to be fixedly installed on the automation equipment through the fastening piece, when the mold is replaced, the fastening piece needs to be manually disassembled, the mold of other types needs to be replaced after the mold is taken down, the fastening needs to be installed again, time and labor are wasted, and the production efficiency is affected.

Disclosure of Invention

Aiming at the problems, the invention provides a quick mold locking mechanism of a bottle blowing mold, which is characterized in that a mold locking pin with a pin head diameter larger than that of a pin neck is arranged on a bottom mold, a rotatable mold locking disc is arranged on a connecting seat, a through hole b and a first through groove which are respectively matched with the pin head and the pin neck diameter of the mold locking pin are formed in the mold locking disc, the mold is quickly installed, locked and disassembled by the mode of rotating, locking and reversely rotating and unlocking the mold locking pin and the mold locking disc, a separate type wrench is arranged, misoperation is prevented, the safety is good, and the technical problems of troublesome installation, time and labor waste and production efficiency influence of the bottle blowing mold in the prior art are solved.

In order to achieve the purpose, the invention provides the following technical scheme:

a bottle blowing die rapid die locking mechanism comprises a connecting seat fixedly connected with external equipment, wherein an upper disc, a die locking disc, a lower disc and a bottom die are coaxially arranged at the bottom of the connecting seat in sequence, one side of the upper disc is fixedly connected with the connecting seat, the other side of the upper disc is fixedly connected with the lower disc, the die locking disc is rotatably arranged between the upper disc and the lower disc, at least two die locking pins are arranged on the bottom die, each die locking pin comprises a pin head, a pin neck and a pin seat, the pin neck is positioned between the pin head and the pin seat, the diameter of the pin neck is smaller than that of the pin head, through holes a, b and c matched with the die locking pins are respectively arranged on the upper disc, the die locking disc and the lower disc, the through holes a and b are matched with the cross section of the pin head, and the through holes c are matched with the cross section of the pin seat, a first through groove is further communicated and arranged on one side of the through hole b, the first through groove is of an arc-shaped structure, the radian of the first through groove is matched with the rotating track of the mold locking disc, and the width of the first through groove is matched with the shape of the cross section of the nail neck;

and rotating the mold locking disk to enable the through hole b, the through hole a and the through hole c to be coaxially arranged, inserting the mold locking pin into the through hole c until the pin head is completely clamped in the through hole a, and rotating the mold locking disk to enable the pin neck to be clamped in the first through groove to lock the mold.

Preferably, a rotary wrench is slidably mounted on the lower circular disc, and the rotary wrench can be slidably engaged with or disengaged from the mold locking disc.

Preferably, a sliding block is arranged on the bottom surface of the rotary wrench, a supporting plate is convexly arranged on the outer circumference of the lower disc, a sliding groove matched with the sliding block is formed in the rear portion of the supporting plate, the sliding block can be clamped in the sliding groove to slide, and a groove abutting against the bottom of the sliding block is formed in the front portion of the supporting plate.

Preferably, the rotary wrench and the end face, which is attached to the outer circumference of the mold locking disc, are provided with a clamping block in a protruding manner, a clamping groove capable of clamping the clamping block is formed in the outer circumference of the mold locking disc, and when the clamping block is completely clamped in the clamping groove, the rear portion of the rotary wrench is located in the groove.

Preferably, the mold locking disc is provided with a plurality of second through grooves, the upper disc and the lower disc are fixedly connected through screws, and the screws are arranged in the second through grooves.

Preferably, the second through groove is of an arc structure, and the radian of the second through groove is matched with the rotating track of the mold locking disc.

Preferably, the upper disc is fixedly connected with the connecting seat through a screw.

Preferably, the connecting base is provided with a connecting column opposite to one side connected with the upper disc, and the connecting column is fixedly connected with external equipment.

The invention has the beneficial effects that:

(1) according to the invention, the die locking pin with the pin head diameter larger than the pin neck diameter is arranged on the bottom die, the rotatable die locking disc is arranged on the connecting seat, the through hole b and the first through groove which are respectively matched with the pin head and the pin neck of the die locking pin are formed in the die locking disc, after the pin head of the die locking pin passes through the through hole b, the pin neck is clamped in the first through groove, the pin head is locked on the die locking disc, the bottom die is installed and fixed, the bottom die can be taken down only by reversely rotating the die locking disc to unlock the pin head when the die is removed, and the die is quickly installed, locked and detached by the rotary locking and reverse rotary unlocking mode, so that the technical problems of troublesome installation, time and labor consuming and production efficiency influence in the prior art are solved;

(2) according to the invention, the rotary wrench can be slidably arranged on the lower disc, the clamping block and the clamping groove which can be clamped with each other are respectively arranged on the rotary wrench and the clamping disc, so that the rotary wrench can be slidably clamped with or separated from the clamping disc, when the mould clamping device is used, the rotary wrench can be forwardly slid until the clamping block is completely clamped with the clamping groove, the mould can be rapidly installed, locked and disassembled by rotating the rotary wrench, after the operation is completed, the rotary wrench is backwardly slid until the clamping block is separated from the clamping groove, and by arranging the separable rotary wrench, the mould can be effectively prevented from falling due to misoperation, and the operation safety and stability are ensured;

(3) compared with the fixing mode of screwing the bolts in the prior art, the fixing of the mold is unstable due to the loosening of the bolts, and the fixing mode of rotationally clamping and locking the mold locking pin and the mold locking disc is adopted in the invention, so that the clamping is firmer, the mold is more firmly fixed, and the stability is strong.

In conclusion, the invention has the advantages of rapid and labor-saving die installation and disassembly, strong fastening stability of the installation mode, good safety, misoperation prevention, improvement of production efficiency and the like, and is particularly suitable for the field of bottle blowing die installation.

Drawings

FIG. 1 is a schematic view of a connecting structure between a connecting base and a lower disc according to the present invention;

FIG. 2 is a schematic top view of a bottom mold according to the present invention;

FIG. 3 is a schematic side view of the bottom mold of the present invention;

FIG. 4 is a side view of the overall structure of the present invention;

FIG. 5 is a longitudinal cross-sectional view of the overall structure of the present invention;

FIG. 6 is a transverse cross-sectional view taken at position A of FIG. 4 in an open mold position according to the present invention;

fig. 7 is a transverse sectional view of the position a of fig. 4 in the mode locking state of the present invention;

FIG. 8 is a schematic view of a support plate according to the present invention;

FIG. 9 is a schematic view of the rotary wrench of the present invention;

fig. 10 is a schematic view of the working state of the rotary wrench of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Examples

As shown in fig. 1-7, a fast mold locking mechanism of a bottle blowing mold comprises a connecting seat 1 fixedly connected with an external device, the bottom of the connecting seat 1 is sequentially and coaxially provided with an upper disc 2, a mold locking disc 3, a lower disc 4 and a bottom mold 5, one surface of the upper disc 2 is fixedly connected with the connecting seat 1, the other surface of the upper disc is fixedly connected with the lower disc 4, the mold locking disc 3 is rotatably arranged between the upper disc 2 and the lower disc 4, the bottom mold 5 is provided with at least two mold locking pins 6, the mold locking pins 6 comprise a pin head 61, a pin neck 62 and a pin seat 63, the pin neck 62 is positioned between the pin head 61 and the pin seat 63, the diameter of the pin neck is smaller than that of the pin head 61, the upper disc 2, the mold locking disc 3 and the lower disc 4 are respectively provided with a through hole 21, a through hole b31 and a through hole c41 which are matched with the positions of the mold locking, the through hole a21 and the through hole b31 are matched with the cross section of the nail head 61, the through hole c41 is matched with the cross section of the nail seat 63, one side of the through hole b31 is also communicated with a first through groove 32, the first through groove 32 is of an arc-shaped structure, the radian of the first through groove is matched with the rotation track of the mold locking disc 3, and the width of the first through groove is matched with the cross section of the nail neck 62;

the mold locking disk 3 is rotated to coaxially arrange the through hole b31 with the through hole a21 and the through hole c41, the mold locking pin 6 is inserted from the through hole c41 until the pin head 61 is completely engaged with the through hole a21, and the mold locking disk 3 is rotated to engage the pin neck 62 with the first through groove 32 to lock the mold.

In the invention, the die locking pin 6 with the pin head 61 diameter larger than the pin neck 62 diameter is arranged on the bottom die 5, the rotatable die locking disc 3 is arranged on the connecting seat 1, the through hole b31 and the first through groove 32 which are respectively matched with the pin head 61 and the pin neck 62 of the die locking pin 6 are arranged on the die locking disc 3, after the pin head 61 of the die locking pin 6 passes through the through hole b31, as shown in fig. 7, the pin neck 62 is clamped in the first through groove 32 by rotating the die locking disc, the pin head 61 is locked on the die locking disc 3, and the bottom die 5 is installed and fixed, as shown in fig. 6, the bottom die 5 can be taken down only by rotating the die locking disc 3 reversely to rotate the pin head 61 back to the position right above the through hole b31 to remove the locking, and the mode of rotary locking and reverse rotary unlocking is adopted, so that the rapid installation, locking and disassembly of the die are realized, and the operation is labor.

In a preferred embodiment, two mold locking pins 6 are symmetrically arranged along the center of the bottom mold 5 as a symmetry center.

It should be noted that, through holes a21, b31 and c41 are respectively formed on the upper disc 2, the mold locking disc 3 and the lower disc 4, which are matched with the positions of the mold locking pins 6, the mold locking pins 6 are inserted into the pin heads 61 from the through holes c41 and are completely clamped in the through holes a21, so that the bottom mold 5 is attached to the surface of the lower disc 4, at this time, the mold locking disc 3 is rotated, and the bottom mold 5 is fixed by locking the mold locking pins 6.

As a preferred embodiment, as shown in fig. 10, a rotating wrench 30 is slidably mounted on the lower disk 4, and the rotating wrench 30 is slidably engaged with or disengaged from the mold locking disk 3.

As a preferred embodiment, as shown in fig. 8-9, a sliding block 34 is disposed on the bottom surface of the rotary wrench 30, a supporting plate 42 is protruded from the outer circumference of the lower disc 4, a sliding slot 43 matching with the sliding block 34 is disposed at the rear portion of the supporting plate 42, the sliding block 34 can be clamped in the sliding slot 43 to slide, and a groove 44 abutting against the bottom of the sliding block 34 is disposed at the front portion of the supporting plate 42.

As a preferred embodiment, a clamping block 35 is convexly disposed on an end surface of the rotary wrench 30, which can be attached to the outer circumference of the mold locking plate 3, a clamping groove 36 for clamping the clamping block 35 is inwardly disposed on the outer circumference of the mold locking plate 3, and when the clamping block 35 is completely clamped in the clamping groove 36, the rear portion of the rotary wrench 30 is located in the groove 44.

In this embodiment, the rotatable wrench 30 is slidably mounted on the lower disk 4, and the clamping block 35 and the clamping groove 36 which can be clamped with each other are respectively disposed on the rotatable wrench 30 and the clamping disk 3, so as to realize the slidable clamping or separation of the rotatable wrench 30 and the clamping disk 3, when the clamping disk 3 needs to be rotated, the rotatable wrench 30 is slid forward until the clamping block 35 is completely clamped with the clamping groove 36, so as to rotate the clamping disk 3, when the clamping disk 3 does not need to be rotated, the rotatable wrench 30 is slid backward until the clamping block 35 is separated from the clamping with the clamping groove 36, thereby preventing misoperation, and by setting the rotatable wrench 30 to be separable, the misoperation can be effectively prevented, so that the die drops, and the operation safety and stability are ensured.

Further, the rotary wrench 30 is disposed on the supporting plate 42, and the sliding block 34 on the rotary wrench 30 can be clamped in the sliding groove 43 of the supporting plate 42 to slide, so as to position the rotary wrench 30, it should be noted that when the clamping block 35 is completely clamped in the clamping groove 36, the sliding block 34 is separated from the sliding groove 43, that is, the rear portion of the rotary wrench 30 is located in the groove 44, since the upper surface of the groove 44 is flush with the bottom of the clamping block 35, the rotary wrench 30 can rotate away from the supporting plate 42, when the clamping block 35 is withdrawn outwards and is in a certain state where part of the clamping block is clamped in the clamping groove 36, the sliding block 34 starts to be clamped in the sliding groove 43, so as to realize alternation of front and rear positioning.

As a preferred embodiment, as shown in fig. 6 to 7, a plurality of second through grooves 33 are formed on the mold locking plate 3, the upper disc 2 and the lower disc 4 are fixedly connected by screws 204, and the plurality of screws 204 are disposed in the second through grooves 33.

In the present invention, the upper disc 2 and the lower disc 4 are fixedly connected by the screw 204, and the upper disc 2 and the lower disc 4 need to penetrate through the clamping plate 3 to be connected, so that the clamping plate 3 is provided with the second through groove 33, and the screw 204 is disposed in the second through groove 33. And the fixed connection between the upper disc 2 and the lower disc 4 is realized.

In a preferred embodiment, the second through slot 33 has an arc shape, and the arc shape matches with the rotation track of the mold clamping disk 3.

It should be further noted that, in the rotation process of the mold clamping disk 3, the relative position of the mold clamping disk 3 and the screw 204 changes, so that the second through groove 33 is further configured to be an arc structure matched with the rotation track of the mold clamping disk 3, so that when the mold clamping disk 3 rotates, the screw 204 has a relative sliding space, and the smooth implementation of the rotation process of the mold clamping disk 3 is satisfied.

As a preferred embodiment, as shown in fig. 1, the upper disc 2 is fixedly connected with the connecting seat 1 by screws.

As a preferred embodiment, the connecting base 1 is provided with a connecting column 11 opposite to the side connected with the upper disc 2, and the connecting column 11 is fixedly connected with an external device.

The working process is as follows:

when the mold locking device is used, the connecting column 11 is fixedly connected with external equipment, the rotary wrench 30 slides forwards until the clamping blocks 35 are completely clamped in the clamping grooves 36, the rotary wrench 30 is rotated, so that the mold locking disc 3 is driven to rotate, when the through hole b31, the through hole a21 and the through hole c41 are coaxially arranged, the mold locking pin 6 on the bottom mold 5 is inserted into the pin head 61 from the through hole c41 and is completely clamped in the through hole a21, the pin neck 62 is positioned at the through hole b31, the pin seat 63 is clamped in the through hole c41, the bottom mold 5 is attached to the surface of the lower circular disc 4, the mold locking disc 3 is rotated, the pin neck 62 relatively slides into the first through groove 32 in the rotating process, the pin head 61 is clamped and locked on the mold locking disc 3, the bottom mold 5 is fixed, when the mold is removed, the mold locking disc 3 is reversely rotated, so that the pin head 61 is rotated back to the through hole b31 to remove the locked bottom mold 5, and the clamping blocks 35 are separated from the clamping grooves 36 when the rotary wrench 30 is not, preventing misoperation.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a quick clamping mechanism of bottle blowing mould, includes connecting seat (1) with external equipment fixed connection, its characterized in that, the bottom of connecting seat (1) is coaxial in proper order to be provided with disc (2), mode locking dish (3), lower disc (4) and die block (5), go up the one side of disc (2) with connecting seat (1) fixed connection, the another side with disc (4) fixed connection down, mode locking dish (3) rotatable set up in go up between disc (2) and lower disc (4), be provided with two at least mode locking pins (6) on die block (5), mode locking pin (6) include pin head (61), nail neck (62) and nail seat (63), nail neck (62) are located between pin head (61) and nail seat (63), and its diameter is less than the diameter of pin head (61), go up disc (2), A through hole a (21), a through hole b (31) and a through hole c (41) which are matched with the positions of the mold locking pins (6) are respectively formed in the mold locking disc (3) and the lower disc (4), the through hole a (21) and the through hole b (31) are matched with the cross section shape of the nail head (61), the through hole c (41) is matched with the cross section shape of the nail seat (63), a first through groove (32) is further communicated with one side of the through hole b (31), the first through groove (32) is of an arc-shaped structure, the radian of the first through groove is matched with the rotation track of the mold locking disc (3), and the width of the first through groove is matched with the cross section shape of the nail neck (62);

rotating the mold locking disc (3) to enable the through hole b (31) to be coaxial with the through hole a (21) and the through hole c (41), inserting the mold locking pin (6) into the through hole c (41) until the pin head (61) is completely clamped in the through hole a (21), and rotating the mold locking disc (3) to enable the pin neck (62) to be clamped in the first through groove (32) for mold locking;

a rotary wrench (30) is slidably mounted on the lower disc (4), and the rotary wrench (30) can be slidably clamped with or separated from the mold locking disc (3);

a sliding block (34) is arranged on the bottom surface of the rotary wrench (30), a supporting plate (42) is convexly arranged on the outer circumference of the lower disc (4), a sliding groove (43) matched with the sliding block (34) is formed in the rear portion of the supporting plate (42), the sliding block (34) can be clamped in the sliding groove (43) to slide, and a groove (44) which is abutted to the bottom of the sliding block (34) is formed in the front portion of the supporting plate (42);

a clamping block (35) is convexly arranged on the end face, which can be attached to the outer circumference of the mold locking disc (3), of the rotary wrench (30), a clamping groove (36) capable of clamping the clamping block (35) is inwards formed in the outer circumference of the mold locking disc (3), and when the clamping block (35) is completely clamped in the clamping groove (36), the rear part of the rotary wrench (30) is located in the groove (44);

a plurality of second through grooves (33) are formed in the mold locking disc (3), the upper disc (2) and the lower disc (4) are fixedly connected through screws (204), and the screws (204) are arranged in the second through grooves (33);

the second through groove (33) is of an arc-shaped structure, and the radian of the second through groove is matched with the rotating track of the mold locking disc (3).

2. The rapid mold locking mechanism for bottle blowing molds according to claim 1, wherein the upper disc (2) is fixedly connected with the connecting seat (1) through screws.

3. The rapid mold locking mechanism for bottle blowing molds according to claim 1, characterized in that the connecting seat (1) is provided with a connecting column (11) opposite to the side connected with the upper disc (2), and the connecting column (11) is fixedly connected with external equipment.