Bottle blowing mold mechanism

Abstract

The utility model provides a bottle blowing mould mechanism, which relates to the plastic bottle blowing technology and comprises a bottom plate, a plurality of pairs of rotating rods are rotatably connected with the mounting frame along the direction vertical to the bottom plate, and the rotating rods are rotatably arranged around the central shafts of the rotating rods; every two mold petals form a group, the number of the mold petals is matched with that of the rotating rods, the inner walls of the mold petals in the same group are oppositely arranged, mounting blocks are arranged on one side edges of the outer walls of the mold petals in the same group, and the mounting blocks of the mold petals in the same group are connected with the rotating rods in the same pair respectively. The bottle blank feeding device can be matched with a plurality of bottle blanks at the same time, can be applied to a plurality of production lines, and has high practicability.

Description

Technical Field

[0001] The present application relates to a plastic bottle blowing technology, and in particular to a bottle blowing mold mechanism. Background Art

[0002] Blowing is a mainstream manufacturing method for plastic bottles. The principle is to place a plastic bottle preform into a blowing mold and fill the preform with compressed air to expand the preform, so that the outer surface of the preform fits the inner wall of the blowing mold and the plastic bottle takes the shape of the inner wall of the blowing mold. In the prior art, a set of blowing mold mechanisms can only cooperate with one preform at a time and can only be used in one production line, resulting in low efficiency of the entire blowing line. Utility Model Content

[0003] In order to solve the above-mentioned defects of the related prior art, the present application provides a bottle blowing mold mechanism, which can cooperate with multiple bottle embryos at the same time and can be applied to multiple production lines, and has strong practicality.

[0004] In order to achieve the above purpose, the utility model adopts the following technologies:

[0005] A bottle blowing mold mechanism, comprising:

[0006] A bottom plate, on which a mounting frame is arranged, the mounting frame is connected to a plurality of pairs of rotating rods rotatably in a direction perpendicular to the bottom plate, and the rotating rods are arranged to rotate around their own central axes;

[0007] The mold flaps are grouped in pairs and their number matches the rotating rods. The inner walls of the mold flaps in the same group are arranged opposite to each other, and one side of the outer wall of the mold flaps in the same group is provided with mounting blocks. The mounting blocks of the mold flaps in the same group are respectively connected to the same pair of rotating rods.

[0008] Furthermore, the lower ends of the rotating rods are coaxially connected to the first gear columns, the first gear columns are meshed with the second gear columns, the two second gear columns matching the same pair of rotating rods are coaxially connected to the first gear and the second gear respectively, all the first gears and the second gears are meshed with the same first rack and the second rack respectively, and the first rack and the second rack are movably arranged along their own length direction.

[0009] Furthermore, at least two support blocks are provided on the base plate, and a slide groove parallel to the base plate is opened on the support block, and the slide groove runs through the two side ends of the support block. The first rack and the second rack are respectively slidably fitted in different slide grooves, and one end of the first rack and the second rack is connected to the same driving bar. A linear mechanism is provided on the base plate along the length direction of the slide groove, and the driving shaft of the linear mechanism is connected to the driving bar.

[0010] The beneficial effects of the utility model are:

[0011] The bottle blowing mold mechanism is provided with a plurality of mold flaps, and can drive the plurality of mold flaps through a linear mechanism to simultaneously cooperate with a plurality of preforms for bottle blowing, and the bottle blowing mold mechanism can be adapted to a plurality of production lines at the same time, thereby improving the working efficiency of the entire bottle blowing work line. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional schematic diagram of the bottle blowing mold mechanism of an embodiment of the present application.

[0013] Figure 2 This application Figure 1 A local enlarged schematic diagram of point A in the middle.

[0014] Figure 3 It is a partial view of the same set of mold flaps and their matching rotating rod, first gear column, second gear column, first gear, second gear, first rack and second rack in an embodiment of the present application.

[0015] Markings in the figure: 1-base plate, 11-mounting frame, 12-rotating rod, 13-first gear column, 14-second gear column, 15-first gear, 16-second gear, 17-first rack, 18-second rack, 19-driving bar, 110-linear mechanism, 2-mold flap, 21-mounting block, 22-support block, 23-slide groove. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings, but the embodiments described in the utility model are only part of the embodiments of the utility model, rather than all the embodiments.

[0017] like Figure 1 As shown, this embodiment provides a bottle blowing mold mechanism, including a bottom plate 1 and a mold flap 2.

[0018] Specifically, Figure 1 As shown, a door-shaped mounting frame 11 is provided on the bottom plate 1, the top of the mounting frame 11 is parallel to the bottom plate 1, and the top of the mounting frame 11 is rotatably connected to six pairs of rotating rods 12 in a direction perpendicular to the bottom plate, and the rotating rods 12 are rotatably arranged around their own central axes;

[0019] Specifically, Figure 1 As shown, the outer wall of the mold flap 2 is semi-cylindrical, and the inner wall shape matches the bottle wall of the finished plastic product, which is used to cover the bottle embryo; the mold flaps 2 are grouped in pairs and there are six groups, the inner walls of the mold flaps 2 in the same group are arranged opposite to each other, one side of the outer wall of the mold flaps 2 in the same group is attached to each other and the upper and lower ends of the side are provided with mounting blocks 21, the mounting blocks 21 of the mold flaps 2 in the same group are respectively connected to the same pair of rotating rods 12. More specifically, the two mounting blocks 21 on one mold flap 2 are connected to the same rotating rod 12.

[0020] During operation, the external transfer mechanism coaxially places the preform between the inner walls of the same set of mold flaps 2, rotates the rotating rod 12, and drives the mold flaps 2 to close through the mounting block 21, so that the inner walls thereof form a closed space and surround the preform, and uses the external jet mechanism to input compressed air into the preform to expand the preform, so that the bottle wall of the preform is closely fitted with the inner wall of the mold flap 2, thereby obtaining a formed plastic bottle.

[0021] Preferably, Figure 1 As shown, in this example, adjacent groups of mold flaps 2 are respectively arranged on different sides of the mounting frame 11. This design is used to enable the mold flaps 2 on different sides to be used on two production lines respectively, thereby improving the efficiency of the entire bottle blowing work line; and because the space occupied by the opening of the mold flaps 2 in the same group needs to be reserved on both sides, this design can shorten the distance between adjacent groups of mold flaps 2 and reduce the floor space of the bottle blowing mold mechanism.

[0022] Preferably, Figure 1 and Figure 3 As shown, the lower ends of the rotating rods 12 are coaxially connected with the first tooth columns 13, and the first tooth columns 13 are meshed with the second tooth columns 14. The two second tooth columns 13 matched with the same pair of rotating rods 12 are respectively coaxially connected with the first gear 15 and the second gear 16. The first gear 15 and the second gear 16 are coaxially connected with the rotating column, and the rotating column is rotatably connected to the bottom plate 1. All the first gears 15 and all the second gears 16 are respectively meshed with the same first rack 17 and the same second rack 18. The first rack 17 and the second rack 18 are arranged to move along their own length directions. When working, the first rack 17 and the second rack 18 are moved to make the first gear 15 and the second gear 16 rotate in opposite directions, thereby driving the two second tooth columns 14 matched with the same pair of rotating rods 12 to rotate in opposite directions, thereby driving the two first tooth columns 13 connected to the same pair of rotating rods 12 to rotate in opposite directions, thereby driving the same pair of rotating rods 12 to rotate in opposite directions, thereby driving the same group of mold flaps 2 to rotate in opposite directions, thereby realizing the control of the opening and closing of the same group of mold flaps 2.

[0023] Preferably, Figure 1~Figure 3As shown, four support blocks 22 are provided on the base plate 2, and a slide groove 23 parallel to the base plate is opened on the support block 22, and the slide groove 23 runs through the two side ends of the support block 23, and the first rack 17 and the second rack 18 are both slidably fitted in the two slide grooves 23, and the slide groove 23 is used to support the first rack 17 and the second rack 18 and limit their moving directions; one end of the first rack 17 and the second rack 18 is connected to the same driving bar 19, and a linear mechanism 110 is provided on the base plate 1 along the length direction of the slide groove 23. In this example, the linear mechanism 110 adopts a linear cylinder; the driving shaft of the linear mechanism 110 is connected to the driving bar 19, which is used to drive the first rack 17 and the second rack 18 to move in the same direction through the driving bar, and then drive the first gear 15 and the second gear 16 to move in opposite directions.

[0024] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application.

Claims

1. A bottle blowing mold mechanism, characterized in that: include: A base plate (1) is provided with a mounting frame (11), the mounting frame (11) is rotatably connected to a plurality of pairs of rotating rods (12) in a direction perpendicular to the base plate, and the rotating rods (12) are rotatably arranged around their own central axes; The mold flaps (2) are grouped in pairs and their number matches the rotating rods (12). The inner walls of the mold flaps (2) in the same group are arranged opposite to each other, and one side of the outer wall of the mold flaps (2) in the same group is provided with a mounting block (21). The mounting blocks (21) of the mold flaps (2) in the same group are respectively connected to the same pair of rotating rods (12).

2. The bottle blowing mold mechanism according to claim 1, characterized in that: The lower ends of the rotating rods (12) are coaxially connected to first toothed columns (13), the first toothed columns (13) are meshed with second toothed columns (14), the two second toothed columns (14) matched with the same pair of rotating rods (12) are coaxially connected to the first gear (15) and the second gear (16), all the first gears (15) and the second gears (16) are meshed with the same first rack (17) and the second rack (18), and the first rack (17) and the second rack (18) are arranged to move along their own length directions.

3. The bottle blowing mold mechanism according to claim 2, characterized in that: At least two support blocks (22) are provided on the bottom plate (1), and a slide groove (23) parallel to the bottom plate is provided on the support block (22). The slide groove (23) passes through two side ends of the support block (22). The first rack (17) and the second rack (18) are respectively slidably matched in different slide grooves (23). One end of the first rack (17) and the second rack (18) are connected to the same driving bar (19). A linear mechanism (110) is provided on the bottom plate (1) along the length direction of the slide groove (23), and a driving shaft of the linear mechanism (110) is connected to the driving bar (19).

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