CN212860187U

CN212860187U - Multi-station flexible rotary die table device

Info

Publication number: CN212860187U
Application number: CN202020454814.3U
Authority: CN
Inventors: 顾昱; 王海平; 罗佳维
Original assignee: Shanghai Zidan Food Packaging Printing Co ltd
Current assignee: Shanghai Zidan Food Packaging Printing Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-04-02
Anticipated expiration: 2030-03-31

Abstract

The utility model relates to a flexible rotary die platform device of multistation, a serial communication port, including frame unit, rotary die platform unit and rotating assembly, wherein: the rack unit is used for being arranged on the injection molding machine table; the rotary die table unit is provided with a rotary die table (8) and a rotating shaft, and the rotary die table (8) is rotatably arranged in the rack unit through the rotating shaft; the rotating assembly comprises a power motor (17) fixed on the rack unit, a small synchronizing wheel (6) arranged on an output shaft of the power motor (17), a large synchronizing wheel (4) coaxially arranged on the rotating shaft and a synchronous belt sleeved on the small synchronizing wheel (6) and the large synchronizing wheel (4). Compared with the prior art, the utility model discloses simple structure is reliable, and the rotary die platform unit realizes that the multistation mould moulds plastics through rotatory subassembly, and the device can be fast accurate with the mould location station of moulding plastics.

Description

Multi-station flexible rotary die table device

Technical Field

The utility model belongs to the technical field of paper-plastic product production and specifically relates to a flexible rotary die table device of multistation.

Background

With the rapid development of the milk and beverage industry, the appearance of a packaging box packaged by paper alone cannot meet the diversified demands of the market, and the paper-plastic combined product begins to enter the stage of the market. However, in the current market, a conventional injection molding machine (for example, chinese patent CN110861255A discloses an intelligent horizontal injection molding machine for plastic basin processing) mainly comprises a frame, a conventional injection unit, a conventional single set of molds (one set of molds generally consists of two halves, one half of the mold has an injection gate and is referred to as a "front mold", and the other half of the mold has no injection gate and is referred to as a "rear mold"), a conventional mold closing unit, a controller and a safety shield plate. The conventional injection molding machine is basically one-to-one injection molding, the injection molding efficiency is low, and the automation degree is low.

Chinese patent CN209832395U discloses a rotary die table for an injection molding machine, which realizes two-by-two alternative and two-by-two synchronous working modes of four dies by installing rear dies on four side vertical faces of the rotary die table, thereby not only improving the efficiency and yield of the machine, but also improving the utilization rate of front dies. However, in this patent, the motor is directly connected to drive the rotary die table to move, which not only makes installation difficult, but also fails to realize flexible positioning.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multistation flexible rotary die table device for overcoming the defects of the prior art.

The purpose of the utility model can be realized through the following technical scheme:

a multi-station flexible rotary die table apparatus, comprising:

a frame unit for being installed on the injection molding machine,

a rotary die table unit which is provided with a rotary die table and a rotating shaft, the rotary die table is rotatablely arranged in the frame unit through the rotating shaft,

the rotating assembly comprises a power motor fixed on the rack unit, a small synchronizing wheel arranged on an output shaft of the power motor, a large synchronizing wheel coaxially arranged on the rotating shaft, and a synchronous belt sleeved on the small synchronizing wheel and the large synchronizing wheel.

Preferably, the rotary die table is in a regular hexahedron shape, four side vertical surfaces of the rotary die table are respectively used for mounting a rear die, each side vertical surface is provided with a pneumatic ejector rod, and the rotary shaft consists of an upper rotary shaft and a lower rotary shaft which are respectively connected to the centers of the upper surface and the lower surface of the rotary die table.

Preferably, the upper rotary shaft is rotatably coupled to the top of the frame unit by a composite bearing a, and the lower rotary shaft is rotatably coupled to the bottom of the frame unit by a composite bearing B and supported on the bottom of the frame unit by a composite bearing C located below the composite bearing B.

Preferably, the top end of the upper rotating shaft is provided with an air-electric rotating joint for providing pneumatic force and electric signals for the pneumatic ejector rod.

Preferably, the bottom of downside rotation axis be equipped with gas-liquid rotary joint for connect the back mould and realize injection moulding product's cooling through the water route.

Preferably, the rotating assembly further comprises a tension wheel arranged on the frame unit and used for tensioning the synchronous belt.

Preferably, the power motor is fixed on the rack unit through a power motor mounting seat.

Preferably, the frame unit is in a three-dimensional frame shape and is composed of an upper frame and a lower frame which are arranged one above the other and a plurality of upright posts connected between the upper frame and the lower frame.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a structural optimization designs, adopts composite bearing to support, has optimized the wearing and tearing that ordinary bearing brought, and the pollution problems such as lubricating oil change.

2. Through synchronous belt drive of the synchronizing wheel, the defects that the motor is difficult to install and cannot be flexibly positioned due to direct connection are overcome.

3. The pneumatic ejector rod is adopted, and the problems that the internal installation space of the rotary die table is narrow and small, and the output of the motor ejection force is insufficient are solved.

4. The innovative flexible positioning design enables the signals and the air supply of the pneumatic ejector rod and the cooling of the die to be realized more easily.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic diagram of the station of the rotary die table of the present invention.

In the figure, 1 is an upper side frame, 2 is a stand column, 3 is a lower side frame, 4 is a large synchronizing wheel, 5 is a power motor mounting seat, 6 is a small synchronizing wheel, 7 is a tension wheel, 8 is a rotary die table, 9 is a gas-electric rotating joint, 10 is an upper side rotating shaft, 11 is a pneumatic ejector rod, 12 is a lower side rotating shaft, 13 is a gas-liquid rotating joint, 14 is a composite bearing A, 15 is a composite bearing B, 16 is a composite bearing C, and 17 is a power motor.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Example 1

The utility model provides a flexible rotary die platform device of multistation, as shown in fig. 1 ~ 3, includes frame unit, rotary die platform unit and rotating assembly, wherein: the rack unit is used for being arranged on the injection molding machine table; the rotary die table unit is provided with a rotary die table 8 and a rotating shaft, and the rotary die table 8 is rotatably arranged in the rack unit through the rotating shaft; the rotating assembly comprises a power motor 17 fixed on the frame unit, a small synchronizing wheel 6 arranged on an output shaft of the power motor 17, a large synchronizing wheel 4 coaxially arranged on the rotating shaft, and a synchronous belt (not shown in the figure) sleeved on the small synchronizing wheel 6 and the large synchronizing wheel 4.

In this embodiment, the frame unit is preferably a three-dimensional frame, and is composed of an upper frame 1 and a lower frame 3 arranged one above the other, and a plurality of columns 2 connected between the upper frame 1 and the lower frame 3. Preferably, the power motor 17 is fixed on the rack unit through a power motor mounting seat 5, and the small synchronizing wheel 6 is positioned in the power motor mounting seat 5. Further preferably, the rotating assembly further comprises a tension wheel 7 which is arranged on the rack unit and used for tensioning the synchronous belt.

In the preferred embodiment, the rotary die table 8 is in a regular hexahedron shape, four side vertical surfaces of the rotary die table 8 are respectively used for installing a rear die, each side vertical surface is provided with a pneumatic ejector rod 11, and the rotary shaft is composed of an upper rotary shaft 10 and a lower rotary shaft 12 which are respectively connected to the centers of the upper surface and the lower surface of the rotary die table 8. It is further preferred that the upper rotary shaft 10 is rotatably connected to the top of the frame unit (upper frame 1) by a composite bearing a14, and the lower rotary shaft 12 is rotatably connected to the bottom of the frame unit (lower frame 3) by a composite bearing B15 and supported on the bottom of the frame unit (lower frame 3) by a composite bearing C16 located below the composite bearing B15. It is further preferable that the top end of the upper rotary shaft 10 is provided with an electro-pneumatic rotary joint 9 for supplying pneumatic power and electric signals to the pneumatic jack 11. The bottom of downside rotation axis 12 is equipped with gas-liquid rotary joint 13 for connect the back mould and realize injection moulding product's cooling through the water route.

When the rotary die table device works, as shown in fig. 3, the small synchronizing wheel 6 and the large synchronizing wheel 4 drive the rotary die table 8 to rotate 90 degrees to the injection molding station A and the injection molding station B, the lower rotary shaft 12 and the upper rotary shaft 10 act on the composite bearing A, the composite bearing B and the composite bearing C, and the die is closed at the moment. Because the synchronous belt belongs to flexible transmission, the flexible positioning of the die can be realized. The pneumatic-electric rotating joint 9 is responsible for providing pneumatic power and electric signals for the pneumatic ejector rod 11 cylinder, and the pneumatic ejector rod 11 ejects a product in the mold at the side of the loading and unloading station A and the loading and unloading station B. The gas-liquid rotary joint 13 is connected with the injection mold, so that the product is cooled through a water path, and the product can be conveniently and quickly molded and taken out. The gas-electric rotary joint 9 and the gas-liquid rotary joint 13 in the present embodiment are preferably related products in the prior art.

The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.

Claims

1. The utility model provides a flexible rotary die platform device of multistation which characterized in that includes:

a frame unit for being installed on the injection molding machine,

the rotary die table unit is provided with a rotary die table (8) and a rotating shaft, the rotary die table (8) is rotatably arranged in the rack unit through the rotating shaft,

the rotating assembly comprises a power motor (17) fixed on the rack unit, a small synchronizing wheel (6) arranged on an output shaft of the power motor (17), a large synchronizing wheel (4) coaxially arranged on the rotating shaft, and a synchronous belt sleeved on the small synchronizing wheel (6) and the large synchronizing wheel (4).

2. A multi-station flexible rotary die table device according to claim 1, characterized in that the rotary die table (8) is in a regular hexahedron shape, four side vertical surfaces of the rotary die table (8) are respectively used for installing a rear die, each side vertical surface is provided with a pneumatic ejector rod (11), and the rotary shaft is composed of an upper rotary shaft (10) and a lower rotary shaft (12) which are respectively connected to the centers of the upper surface and the lower surface of the rotary die table (8).

3. A multi-station flexible rotary die table apparatus according to claim 2, characterized in that the upper rotary shaft (10) is rotatably connected to the top of the frame unit through a composite bearing a (14), and the lower rotary shaft (12) is rotatably connected to the bottom of the frame unit through a composite bearing B (15) and supported on the bottom of the frame unit through a composite bearing C (16) located below the composite bearing B (15).

4. A multi-station flexible rotary die table device according to claim 2, characterized in that the top end of the upper rotary shaft (10) is provided with an electro-pneumatic rotary joint (9) for providing pneumatic and electric signals for the pneumatic ram (11).

5. A multi-station flexible rotary die table device according to claim 2, characterized in that the bottom end of the lower rotary shaft (12) is provided with a gas-liquid rotary joint (13) for connecting a rear die and cooling an injection molding product through a water path.

6. The multi-station flexible rotary die table device as claimed in claim 1, wherein the rotating assembly further comprises a tension wheel (7) arranged on the frame unit for tensioning the synchronous belt.

7. A multi-station flexible rotary die table apparatus according to claim 1, wherein said power motor (17) is fixed to the frame unit by means of a power motor mount (5).

8. A multi-station flexible rotary die table device according to claim 1, characterized in that the frame unit is in the shape of a three-dimensional frame and is composed of an upper frame (1) and a lower frame (3) which are arranged one above the other and a plurality of columns (2) connected between the upper frame (1) and the lower frame (3).