CN207536159U - A kind of lifting closing device of mold - Google Patents

Abstract

The utility model provides a lifting opening and closing device of a mould. The mold includes an upper mold and a lower mold capable of lifting, and is characterized in that the device is provided with a synchronous drive mechanism for the upper mold and the lower mold. Working mechanisms for driving the upper mold up and down and driving the lower mold up and down, the synchronous driving mechanism is provided with a transmission shaft on the upper part of the device and a first shaft that uses the transmission shaft as a rotating shaft and is driven by the transmission shaft to rotate synchronously. The cam structure and the second cam structure, the first cam structure belongs to the mechanism that drives the upper die up and down, and plays a role in driving and controlling the movement of the upper die, and the second cam structure belongs to the mechanism that drives the lower die up and down, and plays a role in the movement of the lower die. to drive and control. The utility model has a simple structure, can simultaneously drive the upper mold and the lower mold for lifting movement, has good driving synchronization, and improves the molding quality.

Description

Lifting and closing device for a mold

technical field

The utility model relates to the field of packaging machinery, such as a filling machine, in particular to a mold lifting and closing device therein.

Background technique

Forming and filling equipment in packaging machinery requires in-line forming of containers. The upper mold and the lower mold of the mold are respectively driven by their driving devices to lift and close the mold and demould, and the synchronization is not good. Since there are multiple molded container cavities in the mold, poor synchronization will increase the probability that some of the multiple containers molded at one time will be poorly formed, and the poorly formed containers cannot be rejected online. After being filled, they will eventually be Waste caused by defective products or pollution caused by loose caps.

Contents of the invention

The technical problem to be solved by the utility model is to provide a lifting and closing device for molds, which has good synchronization. For this reason, the utility model adopts the following technical solutions:

A lifting and closing device for a mold, the mold includes a liftable upper mold and a lower mold, characterized in that the device is provided with a synchronous drive mechanism for the upper mold and the lower mold, and the synchronous drive mechanism includes a synchronously driven upper mold The lifting mechanism and the mechanism driving the lifting of the lower mold. The synchronous driving mechanism is provided with a transmission shaft on the upper part of the device and a first cam structure and a second Cam structure, the first cam structure belongs to the mechanism that drives the upper die up and down, and plays a role in driving and controlling the movement of the upper die, and the second cam structure belongs to the mechanism that drives the lower die up and down, and plays a role in driving and controlling the movement of the lower die .

On the basis of adopting the above technical solutions, the utility model can also adopt the following further technical solutions or use these further technical solutions in combination:

Both ends of the transmission shaft each have a first cam structure and a second cam structure.

The device includes a first lifting frame, the upper mold rises and falls with the lifting of the first lifting frame, the first lifting frame is located below the first cam structure, and the mechanism for driving the upper mold up and down also includes elastic components. A lifting frame is supported by elastic components. The first cam structure cooperates with the rolling components on the first lifting frame to drive the upper die to descend. The upper die is raised by the elastic components and completed under the control of the first cam structure.

The device is provided with an upper case, the elastic member is arranged in and supported by the upper case, and the first lifting frame, the transmission shaft, the first cam structure and the second cam structure are all arranged in the upper case.

The device includes a second elevating frame, the lower mold rises and falls with the lifting of the second elevating frame, the second elevating frame is above the second cam structure, and the second cam structure passes through the first cam structure supported thereon. The cooperation of the rolling parts on the two lifting frames drives the lower die to lift.

The device includes a second elevating frame, the lower mold rises and falls with the lifting of the second elevating frame, the second elevating frame is above the second cam structure, and the second cam structure passes through the first cam structure supported thereon. The cooperation of the rolling parts on the lifting frame drives the lower mold to lift;

The second lifting frame is in the upper chassis; the installation base part of the lower mold is connected to the second lifting frame through the lifting guide rod, and the installation base part of the upper mold is provided with a guide sliding sleeve that is slidably connected with the lifting guide rod, the guide sliding sleeve and the lifting guide rod. The lifting guide rods guide and constrain each other to form the lifting guide connection system of the upper mold and the lower mold.

Due to the adoption of the technical scheme of the utility model, the utility model has a simple structure and can simultaneously drive the upper mold and the lower mold for lifting movement, the driving synchronization is good, and the molding quality is improved.

Description of drawings

Fig. 1 is a perspective view of an embodiment provided by the present invention.

Fig. 2 is a perspective view of the embodiment provided by the utility model with the upper case hidden.

Detailed ways

Refer to attached picture. The lifting opening and closing device of the mold provided by the utility model, the mold includes an upper mold 100 and a lower mold 200 that can be lifted, and the device is provided with a synchronous drive mechanism for the upper mold and the lower mold, and the synchronous drive mechanism includes a synchronously working drive The mechanism for lifting the upper mold and the mechanism for driving the lifting of the lower mold. The synchronous driving mechanism is provided with a transmission shaft 3 on the upper part of the device and a first shaft that uses the transmission shaft 3 as a rotating shaft and is driven by the transmission shaft 3 to rotate synchronously. The cam structure 1 and the second cam structure 2, the first cam structure 1 belongs to the mechanism for driving the upper die up and down, and plays a role in driving and controlling the movement of the upper die 100, and the second cam structure 2 belongs to the mechanism for driving the lower die up and down. The 200 movement of the lower mold plays a driving and controlling role. In the utility model, the synchronous driving mechanism makes the mechanism for driving the lifting of the upper mold and the mechanism for driving the lifting of the lower mold work synchronously, but the lifting timing and speed of the upper mold 100 and the lifting timing and speed of the lower mold 200 are determined according to the needs. The design of the curved surface of the cam structure is changed, which is very flexible and can adapt to the needs of different situations.

The transmission shaft 3 can be supported on the frame, and the transmission shaft 3 is driven to rotate by the motor 30 .

Both ends of the transmission shaft 3 have a first cam structure 1 and a second cam structure 2 respectively.

The device includes a first lifting frame 11, the upper mold 1 rises and falls with the lifting of the first lifting frame 11, the installation base part 10 of the upper mold can be connected with the first lifting frame 11 through a connecting structure, and the first lifting frame 11 Below the first cam structure 1, the mechanism for driving the upper mold to lift also includes an elastic component 14, the first lifting frame 11 is supported by the elastic component 14, and the first cam structure 1 passes through the first lifting frame 11. The rolling part 12 cooperates to drive the upper die to descend, and the rise of the upper die is driven by the elastic member 14 and completed under the control of the first cam structure. The lower pressing cylinder 15 of the upper mold can also be set on the installation base part 10 of the upper mold, and the upper mold 100 is connected with the lower pressure working cylinder 15, and is installed on the installation base part 10 of the upper mold by the lower pressure working cylinder.

The device is provided with an upper case 4, the elastic member 14 is arranged in the upper case 4 and supported on the upper case 4, the first lifting frame 11, the transmission shaft 3, the first cam structure 1, and the second cam structure 2 are all provided In the upper case 4.

The device includes a second elevating frame 21, the lower mold 200 rises and falls with the lifting of the second elevating frame 21, the second elevating frame 21 is located above the second cam structure 2, and the second cam structure 2 passes through the The cooperation of the rolling parts 22 supported on the second lifting frame 21 drives the lower die to lift;

The second lifting frame 21 is also in the upper cabinet 4; the installation base part 20 of the lower die is connected to the second lifting frame through the lifting guide rod 23, and the installation base part 10 of the upper die is provided with a guide slide that is slidably connected with the lifting guide rod The sleeve 13, the guide sliding sleeve 13 and the lifting guide rod 23 guide and constrain each other to form the lifting guide connection system of the upper mold 100 and the lower mold 200.

Described cam structure also can adopt the mode of sheave.

The above is only a specific embodiment of the utility model, but the structural features of the utility model are not limited thereto, and any changes or modifications made by those skilled in the art within the scope of the utility model are covered by the utility model. In the new protection scope.

Claims (6)

1. A lift opening and closing device for a mould, said mold comprising a liftable upper mold and a lower mold, characterized in that said device is provided with a synchronous drive mechanism of an upper mold and a lower mold, and the synchronous drive mechanism comprises a synchronously working drive The mechanism for lifting the upper mold and the mechanism for driving the lifting of the lower mold. The synchronous driving mechanism is provided with a transmission shaft on the upper part of the device and a first cam structure that uses the transmission shaft as a rotating shaft and is driven by the transmission shaft to rotate synchronously. The second cam structure, the first cam structure belongs to the mechanism that drives the upper mold up and down, and plays a role in driving and controlling the movement of the upper mold. The second cam structure belongs to the mechanism that drives the lower mold up and down, and plays a role in driving and controlling the movement of the lower mold. control effect. 2. The lifting and closing device of a mold according to claim 1, characterized in that both ends of the transmission shaft have a first cam structure and a second cam structure. 3. The lift opening and closing device of a mold as claimed in claim 1, characterized in that the device comprises a first lifting frame, and the upper mold rises and falls with the lifting of the first lifting frame, and the first lifting frame is at Below the first cam structure, the mechanism that drives the upper mold to lift also includes an elastic component, the first lifting frame is supported by the elastic component, and the first cam structure drives the upper mold to descend by cooperating with the rolling components on the first lifting frame , The rise of the upper mold is driven by the elastic component and completed under the control of the first cam structure. 4. The lifting opening and closing device of a kind of mold as claimed in claim 3, it is characterized in that described device is provided with upper case, and described elastic member is arranged in the upper case and is supported on upper case, first elevating frame, transmission The shaft, the first cam structure and the second cam structure are all arranged in the upper case. 5. The lift opening and closing device of a mold as claimed in claim 1, characterized in that said device comprises a second lifting frame, said lower mold rises and falls with the lifting of the second lifting frame, and the second lifting frame is at Above the second cam structure, the second cam structure drives the lower mold up and down by cooperating with the rolling parts on the second lifting frame supported thereon. 6. The lift opening and closing device of a mold as claimed in claim 4, characterized in that said device comprises a second lifting frame, said lower die rises and falls with the lifting of the second lifting frame, and the second lifting frame is at Above the second cam structure, the second cam structure drives the lower mold up and down by cooperating with the rolling parts on the second lifting frame supported thereon; The second lifting frame is in the upper chassis; the installation base part of the lower mold is connected to the second lifting frame through the lifting guide rod, and the installation base part of the upper mold is provided with a guide sliding sleeve that is slidably connected with the lifting guide rod, the guide sliding sleeve and the lifting guide rod. The lifting guide rods guide and constrain each other to form the lifting guide connection system of the upper mold and the lower mold.