CN110126238A - A kind of bottle blowing machine mould bases relative altitude regulating device - Google Patents

Abstract

A device for adjusting the relative height of mold frames of a bottle blowing machine, including a gasket and a spacer which are relatively set on the rotary shaft of the bottle blowing machine and arranged between the two mold frames. The middle part of the spacer extends toward the direction of the gasket with a A threaded boss, the boss is connected with the threaded through hole of the washer; the washer is provided with a notch and an inner groove, and the washer is deformed by the locking screw to lock the pad. When it is necessary to adjust the relative height between the two formworks, unlock the locking screw, then rotate the washer and spacer relative to each other, and finally re-lock the locking screw to complete the adjustment very conveniently and quickly. The relative height adjustment device of the mold base of the bottle blowing machine can be adjusted within a certain height range, and the adjustment process is very convenient and fast. Speed and work efficiency are also conducive to improving adjustment accuracy and product production quality.

Description

A device for adjusting the relative height of the mold base of a bottle blowing machine

technical field

The invention relates to blow molding machine equipment, in particular to an adjusting device for adjusting the relative height between two mold frames of the blow molding machine.

Background technique

Blow molding machine is a common equipment in the field of plastic bottle processing and manufacturing. The molds used to blow the bottle body in the blow molding machine include left and right side molds and bottom molds. The three cooperate to form a complete bottle body cavity; when working, Open the left and right molds and bottom molds and place the preforms in the cavity, then close the left and right molds and bottom molds, and then perform blow molding on the preforms, and open the left and right molds after the bottle is formed. The right mold and the bottom mold, after which the processed bottle body can be taken away and sent to the next process.

The left and right molds in the bottle blowing machine mold are fixedly installed on two opposite mold bases, and the installation structure of the mold bases is shown in Figure 1. One of the opposite sides is provided with several protruding sleeves 102, and the sleeves of the two mold frames are staggeredly placed on the rotary shaft 103 and can rotate around the rotary shaft, and the sleeves of the two mold frames are located on the rotary shaft. Pedestals 104 are provided therebetween. When it is necessary to adjust the relative height between the two formworks, it is enough to replace the pedestals of different thicknesses, but on the one hand, it is necessary to prepare pedestals of various specifications for spare use, which not only increases the equipment cost, but also increases the storage of the pedestals. It is extremely inconvenient; on the other hand, if the spare pedestal cannot meet the thickness requirements, then it is necessary to select a thicker pedestal, and then perform repeated grinding and comparison to make it meet the use requirements, but this will increase a lot Unnecessary workload has seriously affected the production efficiency, and even so, it is difficult to ensure sufficient manufacturing precision for the temporarily ground pedestal, which is not conducive to the guarantee of product quality.

Contents of the invention

The purpose of the present invention is to provide an easy-to-operate device for adjusting the relative height of the mold frame of the bottle blowing machine, so as to reduce the difficulty of mold frame adjustment, improve work efficiency and adjustment accuracy, and ensure the production quality of products.

The mold frame relative height adjustment device of the bottle blowing machine according to the present invention comprises a gasket and a spacer. The gasket and the spacer are all set on the rotary shaft of the blow molding machine and are located between the two mold frames. There is an annular boss extending outward on one side, and the outer wall of the boss is provided with threads; the middle part of the gasket is opposite to the boss of the pad is an annular through hole, and the through hole is provided with an external thread on the outer wall of the boss to cooperate with each other. internal thread.

The relative height adjustment device of the mold frame of the bottle blowing machine, the gasket is a ring with a gap, and the inner side of the gasket and the gap are opposite to each other along the same diameter. There is a threaded hole and a connecting hole opposite to the other end; there is also a locking screw, which passes through the connecting hole and is threadedly connected with the threaded hole.

In the relative height adjustment device of the mold base of the bottle blowing machine according to the present invention, the gasket and the spacer are both sleeved on the rotary shaft, and are located between the sleeves of the two mold bases. The opposite sides of the gasket and the spacer are respectively It is opposed to the sockets of the two formworks; and a boss is provided on the side of the spacer opposite to the washer, and the boss can be screwed into the washer through threads. Under normal conditions, the boss on the spacer is screwed into the through hole of the washer, and the washer acts on the clamping spacer through the locking screw; when it is necessary to adjust the relative height between the two formworks, release the lock The locking effect of the tightening screw, and then make the washer and the spacer rotate relatively, thereby changing the distance between the washer and the opposite side of the spacer, which is equal to the relative height between the two formworks; until the back of the washer and the spacer Stop after the distance to the side reaches the set value, and then lock the two ends of the gap of the washer through the locking screw, the washer is deformed by the action of the locking screw, and then clamps the spacer. A certain degree of self-locking is also achieved under the pressure of the formwork. It can be seen that the relative height adjustment device of the mold frame of the blow molding machine can be adjusted within a certain height range, and the adjustment process is very convenient and fast, and the adjustment accuracy is extremely high. It prevents them from unexpected relative rotation due to the vibration of the equipment, which greatly ensures the stability of the work. Therefore, the relative height adjustment device of the mold frame of the bottle blowing machine solves the problems of replacement, storage and grinding of multiple cushion seats in the prior art, greatly reduces the difficulty of adjusting the mold frame, and improves the adjustment speed and work efficiency. It is also conducive to improving the adjustment accuracy and product production quality.

Description of drawings

Fig. 1 is a schematic diagram of the installation structure of the mold frame of the existing bottle blowing machine.

Fig. 2 is a structural schematic diagram of the mold frame relative height adjustment device of the bottle blowing machine according to the present invention.

Figure 3 is a schematic structural view of the gasket.

Fig. 4 is a schematic cross-sectional structure diagram of the gasket.

Figures 5 and 6 are schematic diagrams of the installation structure of the mold base relative height adjustment device of the bottle blowing machine.

Detailed ways

A device for adjusting the relative height of the mold frame of a bottle blowing machine, including a gasket 1 and a pad 2, the gasket and the pad are both set on the rotary shaft of the blow molding machine and located between the two mold frames; one side of the pad facing the gasket There is an annular boss 3 extending laterally, and the outer wall of the boss is provided with threads; the middle part of the gasket is opposite to the boss of the pad is an annular through hole 4, and the through hole is provided with the external thread on the outer wall of the boss. Cooperating internal thread; the gasket 1 is annular with a notch 5, and the inner side of the gasket 1 and the notch 5 are provided with an inwardly recessed groove 6 at the opposite position along the same diameter, and one end of the gasket at the notch is provided with a The threaded hole 7 has a connecting hole 8 opposite to the other end; there is also a locking screw 9, which passes through the connecting hole and is threadedly connected with the threaded hole.

As shown in Figure 2-6, the gasket and spacer are sequentially placed on the rotary shaft 103 of the blow molding machine and between the two mold frames 101, and the gasket is located below the spacer, and the top surface of the spacer and the bottom surface of the gasket are respectively Contrasted with the sockets of the two mold frames, the spacer is extended toward the direction of the washer with a boss with external threads, and the through hole in the middle of the washer is threadedly connected with the boss. Under normal conditions, the boss on the spacer is screwed into the through hole of the washer, and the washer acts on the clamping spacer through the locking screw; when it is necessary to adjust the relative height between the two formworks, release the lock The locking effect of the tightening screw, and then make the washer and the spacer rotate relatively, thereby changing the distance between the washer and the opposite side of the spacer, which is equal to the relative height between the two formworks; until the back of the washer and the spacer Stop after the distance to the side reaches the set value, and then lock the two ends of the gap of the washer through the locking screw, the washer is deformed by the action of the locking screw, and then clamps the spacer. A certain degree of self-locking is also achieved under the pressure of the formwork.

In the relative height adjustment device of the mold frame of the bottle blowing machine, several inwardly recessed blind holes 10 are respectively opened on the outer walls of the gasket 1 and the pad 2, and the cross-sectional shape of the blind holes can be circular, hexagonal or other shapes ; When adjusting the relative height of the washer and spacer, use a tool such as an Allen wrench, a screwdriver, etc. to insert into the blind hole of the washer/spacer and apply a force to fix it, so as to prevent the washer/spacer from rotating, and then Insert another Allen wrench into the blind hole of the spacer/washer and drive it to turn, thereby causing the washer and spacer to rotate relative to each other and achieve height adjustment. As a result, the convenience of the adjustment operation is improved by the arrangement of the blind hole.

Claims (5)

1. a kind of bottle blowing machine mould bases relative altitude regulating device, it is characterised in that: including washer (1) and cushion block (2), washer and pad Block, which is placed on the rotating shaft of bottle blowing machine, to be located between two mould bases；Annular is outward extended with towards the side of washer on cushion block Boss (3), be provided with screw thread on the outer wall of boss；The middle part of washer place opposite with cushion block boss is annular through-hole (4), through-hole It is interior to be equipped with and the mutually matched internal screw thread of external screw thread in outer wall of boss.

2. bottle blowing machine mould bases relative altitude regulating device according to claim 1, it is characterised in that: washer (1) be with The annular of notch (5), wherein one end that washer is located at indentation, there is equipped with threaded hole (7) and the other end is relatively provided with connecting hole (8)；Separately have lock-screw (9), lock-screw passes through connecting hole and is threadedly coupled with threaded hole.

3. bottle blowing machine mould bases relative altitude regulating device according to claim 2, it is characterised in that: the inside of washer (1) It is provided with the groove (6) being recessed inwardly.

4. bottle blowing machine mould bases relative altitude regulating device according to claim 3, it is characterised in that: groove (6) is set to The inside and notch (5) of washer (1) are along the opposite place of same diameter.

5. bottle blowing machine mould bases relative altitude regulating device described in -4 any claims according to claim 1, it is characterised in that: Several blind holes (10) being recessed inwardly are had at the outer wall of washer (1) and cushion block (2).