CN215750697U

CN215750697U - Bottle blowing machine bottle embryo positioning mechanism

Info

Publication number: CN215750697U
Application number: CN202122124701.4U
Authority: CN
Inventors: 王棒棒
Original assignee: Taizhou Huangyan Hengmei Plastic Machinery Co ltd
Current assignee: Taizhou Huangyan Hengmei Plastic Machinery Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-02-08
Anticipated expiration: 2031-09-03

Abstract

The utility model provides a bottle preform positioning mechanism of a bottle blowing machine, which comprises an installation platform, wherein an installation seat is arranged on the installation platform, a positioning claw is rotatably connected to the installation seat, the end part of the positioning claw, which is far away from the installation seat, is clamped into a positioning notch of a bottle opening, a driving assembly is arranged at the bottom of the positioning claw, and the driving assembly is used for pushing the positioning claw and enabling the end part of the positioning claw to abut against the side wall of the bottle opening. The drive assembly can promote the positioning claw and support the lateral wall of tight bottleneck, because the bottle embryo is constantly rotatory by the bottle blowing machine drive, when the bottle embryo rotates to the positioning claw and keeps away from the tip of mount pad and the location breach of bottleneck relatively, the tip that the mount pad was kept away from to the positioning claw can block under drive assembly's promotion in the location breach, the bottle embryo is no longer rotatory under the restriction of positioning claw this moment, when further making the bottle embryo get into the interior blowing of mould, the screw thread of bottleneck is difficult for colliding with the mould, positioning mechanism's location service function has been realized from this.

Description

Bottle blowing machine bottle embryo positioning mechanism

Technical Field

The utility model relates to the field of blow molding manufacturing, in particular to a bottle blank positioning mechanism of a bottle blowing machine.

Background

Blow molding, also known as blow molding, is a rapidly developing plastic processing method. The thermoplastic resin is extruded or injection molded to obtain tubular plastic parison, which is hot or heated to soften and set inside a split mold, and after the mold is closed, compressed air is introduced into the parison to expand the parison to cling to the inner wall of the mold.

At present, chinese patent with publication number CN211891916U discloses a bottle blowing machine, which comprises a frame, wherein an annular track is arranged on the frame, a slide block is connected in the annular track in a sliding manner, a base plate for mounting a bottle blank is rotatably connected to the slide block, and a driving member for driving the base plate to rotate is further arranged on the frame. When in use, the bottle embryo is placed on the chassis and driven by the driving piece to rotate so as to carry out blow molding operation.

The existing bottle needing blow molding processing production as shown in figure 1 comprises a bottle body and a bottle mouth, wherein the bottle body is in a cube shape, and threads are circumferentially arranged on the outer wall of the bottle mouth. In the process of manufacturing, the screw thread of bottleneck often needs preliminary shaping in advance on the bottle embryo, and be constructed the die cavity corresponding with the screw thread in the mould for the blow molding bottle, because the screw thread has asymmetry, so need fix a position the bottle embryo for when the bottle embryo gets into the mould, the difficult condition that appears the mould extrusion screw thread. For the convenience of location, still design on the lateral wall of bottleneck and have the location breach, promptly need a positioning mechanism that can carry out high efficiency location to the bottle embryo now.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a bottle blank positioning mechanism for a bottle blowing machine, which has the advantage of being able to quickly position a bottle blank.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the bottle blowing machine bottle blank positioning mechanism comprises an installation table, wherein an installation base is arranged on the installation table, a positioning claw is connected to the installation base in a rotating mode, the positioning claw is far away from the end portion of the installation base and used for being clamped into a positioning notch of a bottle opening, a driving assembly is arranged at the bottom of the positioning claw and used for pushing the positioning claw and enabling the end portion of the positioning claw to abut against the side wall of the bottle opening.

Through the technical scheme, drive assembly can promote the locating pawl and support the lateral wall of tight bottleneck, because the bottle embryo is constantly rotatory by the bottle blowing machine drive, when the bottle embryo rotates to the locating pawl and keeps away from the tip of mount pad and the location breach of bottleneck relative time, the tip that the mount pad was kept away from to the locating pawl can block under drive assembly's promotion in the location breach, the bottle embryo is no longer rotatory under the restriction of locating pawl this moment, when further making the bottle embryo get into the interior blowing of mould, the screw thread of bottleneck is difficult for colliding with the mould, positioning mechanism's location service function has been realized from this.

Preferably, the driving assembly comprises a first spring arranged on the mounting table and a abutting plate arranged at the end of the first spring, and the first spring is used for pushing the abutting plate to abut against the bottom of the positioning claw.

Through the technical scheme, the first spring pushes the abutting plate to abut against the bottom of the positioning claw, so that the positioning claw has the use function of extruding the abutting plate to rotate and bounce, when the positioning claw abuts against the side wall of the bottle opening, the first positioning claw can push the first spring through the abutting plate, the positioning claw is not prone to scratching the side wall of the bottle opening, and when the positioning notch in the side wall of the bottle opening is opposite to the end part of the positioning claw, the first spring pushes the end part of the positioning claw into the positioning notch through the abutting plate, and therefore the positioning function of the positioning mechanism is achieved. The driving assembly has the advantages of simple structure and convenience in use.

Preferably, an adjusting bolt I penetrates through the end face of the abutting plate and is connected to the mounting table through the abutting plate in a threaded mode.

Through above-mentioned technical scheme, twist and move adjusting bolt one and can order about and support tight board extrusion spring one, further make spring one act on the elasticity of positioning pawl and can obtain adjusting, the staff can be according to the required adjusting spring suitable elasticity scope of actual production spring one, so be difficult for appearing spring one elasticity and lead to the fact the too strong condition that causes the positioning pawl to excessively extrude the bottleneck, positioning mechanism's use reliability can improve.

Preferably, an adjusting bolt II penetrates through the side wall of the positioning claw and is connected to the mounting seat through the positioning claw in a threaded manner.

Through above-mentioned technical scheme, adjusting bolt two can regard as the axis of rotation of positioning pawl to realize that the positioning pawl is connected for the rotation of mount pad, so when the positioning pawl appears damaging, the staff can be comparatively convenient unscrew adjusting bolt two and change the positioning pawl. And the adjusting bolt II is screwed to adjust the rotation fluency of the positioning claw, so that the positioning claw can be in different use states under the same elastic force of the spring I, the situation that the positioning claw excessively extrudes the bottle mouth is more difficult to occur, and the use reliability of the positioning mechanism is further improved.

Preferably, a gasket is arranged between the screw head of the second adjusting bolt and the positioning claw, and the second adjusting bolt is screwed to drive the gasket to abut against the side wall of the positioning claw.

Through the technical scheme, the gasket can prevent the screw head of the second adjusting bolt from excessively extruding the positioning claw, so that the situation that the positioning claw cannot rotate is not easy to occur, and the use reliability of the positioning mechanism is high.

Preferably, the positioning pawl comprises a connecting portion and a claw portion connected to the connecting portion in a sliding manner, the sliding portion is rotatably connected to the mounting seat, a fixing assembly is arranged between the sliding portion and the claw portion, and the fixing assembly is used for fixing the relative position between the sliding portion and the claw portion.

Through above-mentioned technical scheme, the jack catch portion can slide for connecting portion, and the height of further adjustable jack catch portion is in order to adapt to the location breach of different height position, and positioning mechanism's suitability is promoted.

Preferably, the fixing assembly comprises a locking shaft penetrating through the side wall of the sliding part and a second spring arranged between the sliding part and the locking shaft, a plurality of locking holes are formed in the side wall, close to the locking shaft, of the clamping claw part along the length direction, and the second spring is used for pulling the end part of the locking shaft into one of the locking holes.

Through above-mentioned technical scheme, spring two can draw in one of them locking hole with the tip of locking axle, can realize the different height position of jack catch portion for connecting portion in the locking hole of so through control locking axle joint in the co-altitude, fixed subassembly has simple structure, uses convenient advantage, and locating component's ease for use obtains promoting.

Preferably, a flange is circumferentially arranged on a side wall of an end portion of the locking shaft, and the spring is located between an end face of the flange and a side wall of the claw portion.

Through above-mentioned technical scheme, the application of force direction of spring two is more stable, and spring two effects have more stable pull force of drawing in the locking hole with the tip of locking axle like this, further make the relative position between connecting portion and the jack catch portion more firm, and the jack catch portion is difficult for appearing the condition of rocking at will, and positioning mechanism's use reliability further improves.

Preferably, the side wall of the flange is circumferentially provided with a plurality of anti-slip threads.

Through above-mentioned technical scheme, the surperficial coefficient of friction of flange lateral wall can be increased to the antiskid line, and the staff can be better through grabbing the flange with the operation locking shaft insert or extract in the locking hole like this, and positioning mechanism's ease for use is higher.

Drawings

FIG. 1 is a schematic view of a bottle;

FIG. 2 is a schematic structural diagram of an embodiment;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural view of the positioning pawl.

Reference numerals: 1. a bottle body; 2. a bottle mouth; 3. positioning the notch; 4. an installation table; 5. a mounting seat; 6. a positioning claw; 7. a drive assembly; 8. a first spring; 9. a propping plate; 10. adjusting a first bolt; 11. adjusting a second bolt; 12. a gasket; 13. a connecting portion; 14. a claw part; 15. a fixing assembly; 16. a locking shaft; 17. a second spring; 18. a locking hole; 19. a flange; 20. and (4) anti-skid lines.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.

As shown in fig. 2, a bottle preform positioning mechanism of a bottle blowing machine comprises a mounting table 4.

As shown in fig. 1 to 4, a mounting base 5 is arranged on the mounting table 4, a positioning claw 6 is rotatably connected to a side wall of the mounting base 5, an adjusting bolt two 11 penetrates through a side wall of the positioning claw 6, and the adjusting bolt two 11 penetrates through the positioning claw 6 and is in threaded connection with the side wall of the mounting base 5. The positioning claw 6 uses the adjusting bolt two 11 as a rotating shaft to realize the rotation connection relative to the mounting seat 5, the adjusting bolt two 11 is screwed to adjust the rotation fluency of the positioning claw 6, a gasket 12 is arranged between the screw head of the adjusting bolt two 11 and the positioning claw 6, the adjusting bolt two 11 is screwed to drive the gasket 12 to abut against the side wall of the positioning claw 6, the gasket 12 can prevent the screw head of the adjusting bolt two 11 from excessively extruding the positioning claw 6, and the situation that the positioning claw 6 cannot rotate is difficult to occur. The mounting table 4 is provided with a driving assembly 7 at the bottom of the positioning claw 6, the driving assembly 7 is used for pushing the positioning claw 6 to enable the end part, far away from the mounting seat 5, of the positioning claw 6 to be clamped into the positioning notch 3 in the side wall of the bottle opening 2 of the bottle blank, the driving assembly 7 comprises a first spring 8 arranged on the mounting table 4 and a tightly supporting plate 9 arranged at the end part of the first spring 8, and the first spring 8 is used for pushing the tightly supporting plate 9 to tightly support the elastic force at the bottom of the positioning claw 6.

It is worth mentioning that, it is provided with adjusting bolt 10 to run through on the terminal surface of resisting tight board 9, and adjusting bolt 10 passes and supports tight board 9 threaded connection in mount table 4, twists adjusting bolt 10 and can order about and support tight board 9 extrusion spring 8, further makes spring 8 act on the elasticity of locating pawl 6 and can obtain adjusting, and the staff can be according to the suitable elasticity scope of the required adjusting spring 8 of actual production, is difficult for appearing spring 8 elasticity and excessively causes the condition that locating pawl 6 excessively extrudees bottleneck 2 excessively by force from this.

The positioning claw 6 comprises a connecting portion 13 and a claw portion 14 connected to the connecting portion 13 in a sliding mode, the claw portion 14 can slide up and down along the connecting portion 13 to present different use height positions, a fixing assembly 15 used for fixing the relative position between the sliding portion and the connecting portion 13 is arranged between the sliding portion and the connecting portion, the fixing assembly 15 comprises a locking shaft 16 penetrating through the side wall of the sliding portion and a second spring 17 arranged between the sliding portion and the locking shaft 16, a plurality of locking holes 18 are formed in the side wall, close to the locking shaft 16, of the claw portion 14 in the length direction of the claw portion, and the second spring 17 is used for drawing the end portion of the locking shaft 16 into one locking hole 18. Therefore, the clamping claw part 14 can slide relative to the connecting part 13, and the height of the clamping claw part 14 can be further adjusted to adapt to the positioning notches 3 in different height positions.

The flange 19 is circumferentially arranged on the side wall of the end part of the locking shaft 16, the second spring 17 is located between the end face of the flange 19 and the side wall of the clamping claw part 14, the force application direction of the second spring 17 is more stable, the second spring 17 acts on pulling force which pulls the end part of the locking shaft 16 into the locking hole 18 more stably, the relative position between the connecting part 13 and the clamping claw part 14 is further enabled to be more stable, and the clamping claw part 14 is not prone to randomly shaking.

The side wall of the flange 19 is circumferentially provided with a plurality of anti-slip threads 20 for increasing the surface friction coefficient, so that a worker can better operate the insertion or extraction of the locking shaft 16 in the locking hole 18 by gripping the flange 19, and the situation that the gripping flange 19 slips to avoid exerting force is not easy to occur.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims

1. The utility model provides a bottle blowing machine bottle embryo positioning mechanism which characterized by: including mount table (4), be provided with mount pad (5) on mount table (4), it is connected with locating pawl (6) to rotate on mount pad (5), locating pawl (6) are kept away from the tip of mount pad (5) is used for the card to go into the location breach of bottleneck, the bottom of locating pawl (6) is provided with drive assembly (7), drive assembly (7) are used for promoting locating pawl (6) and make the tip of locating pawl (6) supports the lateral wall that leans on the bottleneck.

2. The bottle blowing machine bottle preform positioning mechanism of claim 1, which is characterized in that: the driving assembly (7) comprises a first spring (8) arranged on the mounting table (4) and a pressing plate (9) arranged at the end part of the first spring (8), and the first spring (8) is used for pushing the pressing plate (9) to press against the bottom of the positioning claw (6).

3. The bottle blowing machine bottle preform positioning mechanism of claim 2, which is characterized in that: an adjusting bolt I (10) penetrates through the end face of the abutting plate (9), and the adjusting bolt I (10) penetrates through the abutting plate (9) to be connected to the mounting table (4) in a threaded mode.

4. The bottle blowing machine bottle preform positioning mechanism of claim 1, which is characterized in that: and a second adjusting bolt (11) penetrates through the side wall of the positioning claw (6), and the second adjusting bolt (11) penetrates through the positioning claw (6) and is in threaded connection with the mounting seat (5).

5. The bottle blowing machine bottle preform positioning mechanism of claim 4, which is characterized in that: a gasket (12) is arranged between the screw head of the second adjusting bolt (11) and the positioning claw (6), and the second adjusting bolt (11) is screwed to drive the gasket (12) to abut against the side wall of the positioning claw (6).

6. The bottle blowing machine bottle preform positioning mechanism of claim 1, which is characterized in that: the positioning claw (6) comprises a connecting portion (13) and a claw portion (14) connected with the connecting portion (13) in a sliding mode, the sliding portion is connected with the mounting seat (5) in a rotating mode, a fixing assembly (15) is arranged between the sliding portion and the claw portion (14), and the fixing assembly (15) is used for fixing the relative position between the sliding portion and the claw portion (14).

7. The bottle blowing machine bottle preform positioning mechanism of claim 6, which is characterized in that: the fixing assembly (15) comprises a locking shaft (16) penetrating through the side wall of the sliding part and a second spring (17) arranged between the sliding part and the locking shaft (16), a plurality of locking holes (18) are formed in the side wall, close to the locking shaft (16), of the clamping claw part (14) along the length direction, and the second spring (17) is used for drawing the end part of the locking shaft (16) into one of the locking holes (18).

8. The bottle blowing machine bottle preform positioning mechanism of claim 7, which is characterized in that: a flange (19) is circumferentially arranged on the side wall of the end part of the locking shaft (16), and the second spring (17) is located between the end face of the flange (19) and the side wall of the clamping claw part (14).

9. The bottle blowing machine bottle preform positioning mechanism of claim 8, wherein: the side wall of the flange is circumferentially provided with a plurality of anti-slip threads (20).