CN215095187U

CN215095187U - Automatic lift type safety platform

Info

Publication number: CN215095187U
Application number: CN202121221203.5U
Authority: CN
Inventors: 傅帅; 曹海明; 李逸斌; 易宇峰; 何雯丽
Original assignee: Fu Chun Shin Ningbo Machinery Manufacturing Co ltd
Current assignee: Fu Chun Shin Ningbo Machinery Manufacturing Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-10
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses an automatic lifting type safety platform, which comprises a safety platform positioned right below a mould, wherein the safety platform comprises a pedal lifting frame which does lifting motion relative to a support of an injection molding machine, a driving device used for driving the pedal lifting frame and a connecting structure used for connecting the pedal lifting frame and the driving device; the connecting structure comprises a first supporting frame and a second supporting frame which are positioned between the pedal lifting frame and the injection molding machine support and are in cross rotating connection, the top end of the first supporting frame is in rotating connection with the pedal lifting platform, and the bottom end of the first supporting frame is in rotating connection with the injection molding machine support; the top end of the second support frame is rotatably connected with the pedal lifting platform, and the bottom end of the second support frame is arranged on the injection molding machine support through a roller; one end of the driving device is connected with the bottom end of the second support frame; when the driving device drives the roller to move towards the direction close to the bottom end of the first support frame, the pedal lifting frame ascends; when the driving device drives the roller to move towards the direction far away from the bottom end of the first support frame, the pedal lifting frame descends.

Description

Automatic lift type safety platform

Technical Field

The utility model relates to a technical field of injection molding machine accessory especially relates to an automatic lift type safety platform.

Background

Generally, after a plastic product is molded by a large-scale injection molding machine, the product is taken out very troublesome due to large volume and heavy mass of the product. In addition, in companies involving many kinds of products, the specifications of the mold are also large, and therefore, the mold needs to be frequently replaced. The machine template is high in height and large in mold appearance, the efficient production purpose cannot be achieved if conventional production tools and devices such as a fixed platform or a ladder are used, the workload of operators is heavy, and the safety of people cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide an automatic lift type safety platform drives first support frame and second support frame through drive arrangement and removes to the height of adjustment footboard crane, the loading and unloading mould of being convenient for and the plastic products of taking.

(II) technical scheme

The utility model provides a scheme that the above-mentioned technical problem of solution adopts is an automatic lift type safety platform, including the safety platform that is located under the mould, the safety platform includes relative the injection molding machine support does the elevating movement footboard crane, is used for driving the drive arrangement of footboard crane, and connect the connection structure of footboard crane and the drive arrangement; the connecting structure comprises a first support frame and a second support frame which are positioned between the pedal lifting frame and the injection molding machine support and are in cross rotating connection, the top end of the first support frame is in rotating connection with the pedal lifting platform, and the bottom end of the first support frame is in rotating connection with the injection molding machine support; the top end of the second support frame is rotatably connected with the pedal lifting platform, and the bottom end of the second support frame is arranged on the injection molding machine support through a roller; one end of the driving device is connected with the bottom end of the second support frame; when the driving device drives the bottom end of the second support frame to move towards the direction close to the bottom end of the first support frame through the roller, the pedal lifting frame ascends; when the driving device drives the bottom end of the second support frame to move towards the direction far away from the bottom end of the first support frame through the roller, the pedal lifting frame descends.

By adopting the scheme, the driving device drives the first support frame and the second support frame to move, so that the height of the pedal lifting frame is adjusted, and the mould is convenient to assemble and disassemble and plastic products are convenient to take.

Further, the driving device comprises a propulsion oil cylinder, and the propulsion oil cylinder comprises a telescopic piston rod connected with the roller.

By adopting the scheme, the whole safety platform can do lifting action through the action of the oil cylinder, and can adapt to the sizes of different dies when being matched with the height of a large machine, so that the operation of personnel is facilitated, and the risk of accidents is reduced.

Furthermore, the propulsion oil cylinder is fixedly arranged on the injection molding machine frame.

Furthermore, install the safe footboard structure of easy access on the footboard crane.

Furthermore, the safety pedal structure comprises an anti-skid pedal and a pedal fixing frame for mounting the anti-skid pedal, the pedal fixing frame is mounted on the pedal lifting frame through a supporting spring, and one end, close to the pedal fixing frame, of the pedal lifting frame is provided with a contact switch; when the antiskid pedal is in an unstressed state, the contact switch is not triggered; when the anti-skid pedal is stressed, the pedal fixing frame moves downwards to trigger the contact switch.

By adopting the scheme, the antiskid pedal is arranged, so that the risk of slipping caused by the oil-water dropping of the die can be avoided; a contact switch is added in the safety platform, and when people operate in the safety platform, accidents caused by misoperation of the machine are prevented.

Further, the injection molding machine further comprises a controller for receiving the signal of the contact switch and closing the injection molding machine.

Specifically, when a person is on the antiskid pedal, the pedal fixing frame descends to contact the contact switch to trigger the contact switch, and the contact switch gives a signal to the controller to close the injection molding machine and stop all actions; meanwhile, according to the stress state of the safety pedal, the propulsion oil cylinder can be controlled to drive the pedal lifting frame to lift, so that the working efficiency is improved, and the safety of operators is guaranteed.

(III) advantageous effects

Compared with the prior art, the utility model designs an automatic lifting type safety platform, which drives the first support frame and the second support frame to move through the driving device, thereby adjusting the height of the pedal lifting frame, and facilitating the loading and unloading of the mould and the taking of plastic products; the antiskid pedal is arranged, so that the risk of slipping caused by the oil-water sprinkling of the die can be avoided; a contact switch is added in the safety platform, and when people operate in the safety platform, accidents caused by misoperation of the machine are prevented.

Drawings

Fig. 1 is a schematic diagram of an automatic lifting safety platform according to the embodiment.

Description of reference numerals: 1. a mold; 2. a first support frame; 3. a second support frame; 5. an anti-skid pedal; 6. a pedal fixing frame; 7. a pedal lifting frame; 8. a contact switch; 9. a support of the injection molding machine; 10. a roller; 11. a propulsion cylinder; 111. a piston rod; 12. supporting the spring.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In this embodiment:

as shown in fig. 1, the automatic lifting type safety platform of the embodiment includes a safety platform located right below a mold 1, and the safety platform includes a pedal lifting frame 7 which performs lifting movement relative to a support 9 of the injection molding machine, a driving device for driving the pedal lifting frame 7, and a connecting structure for connecting the pedal lifting frame 7 and the driving device; the connecting structure comprises a first support frame 2 and a second support frame 3 which are positioned between the pedal lifting frame 7 and the injection molding machine support 9 and are in cross rotating connection, the top end of the first support frame 2 is in rotating connection with the pedal lifting platform, and the bottom end of the first support frame is in rotating connection with the injection molding machine support 9; the top end of the second support frame 3 is rotatably connected with the pedal lifting platform, and the bottom end of the second support frame is arranged on the injection molding machine support 9 through a roller 10; wherein, one end of the driving device is connected with the bottom end of the second supporting frame 3; when the driving device drives the bottom end of the second support frame 3 to move towards the direction close to the bottom end of the first support frame 2 through the roller 10, the pedal lifting frame 7 is lifted; when the driving device drives the bottom end of the second support frame 3 to move towards the direction far away from the bottom end of the first support frame 2 through the roller 10, the pedal lifting frame 7 descends. By adopting the scheme, the driving device drives the first support frame 2 and the second support frame 3 to move, so that the height of the pedal lifting frame 7 is adjusted, and the mould 1 is convenient to assemble and disassemble and plastic products are convenient to take. Further, the driving device comprises a propulsion cylinder 11, and the propulsion cylinder 11 comprises a telescopic piston rod 111 connected with the roller 10. By adopting the scheme, the whole safety platform can do lifting action through the action of the oil cylinder, and can adapt to the sizes of different molds 1 when being matched with the height of a large machine, so that the operation of personnel is facilitated, and the risk of accidents is reduced. Further, the propulsion oil cylinder 11 is fixedly installed on the injection molding machine frame.

As shown in fig. 1, further, a safety pedal structure for easy maintenance is mounted on the pedal crane 7. Furthermore, the safety pedal structure comprises an anti-skid pedal 5 and a pedal fixing frame 6 for mounting the anti-skid pedal 5, the pedal fixing frame 6 is mounted on the pedal lifting frame 7 through a supporting spring 12, and one end of the pedal lifting frame 7 close to the pedal fixing frame 6 is provided with a contact switch 8; when the antiskid pedal 5 is in an unstressed state, the contact switch 8 is not triggered; when the anti-skid pedal 5 is stressed, the pedal fixing frame 6 moves downwards to trigger the contact switch 8. By adopting the scheme, the antiskid pedal 5 can avoid the risk of slipping caused by the oil and water of the die 1 being scattered; a contact switch 8 is added in the safety platform, and when people operate in the safety platform, accidents caused by misoperation of the machine are prevented. Further, a controller, not shown, is included for receiving a signal from the contact switch 8 and turning off the injection molding machine. Specifically, when a person is on the antiskid pedal 5, the pedal fixing frame 6 descends to contact the contact switch 8 to trigger the contact switch 8, and the contact switch 8 gives a signal to the controller to close the injection molding machine and stop all actions; meanwhile, according to the stress state of the safety pedal, the propulsion oil cylinder 11 can be controlled to drive the pedal lifting frame 7 to lift, so that the working efficiency is improved, and the safety of operators is guaranteed.

The working principle of the automatic lifting type safety platform of the embodiment is as follows:

when the mold 1 needs to be debugged and maintained, a person steps on the anti-skid pedal 5, the anti-skid pedal 5 is stressed, the pedal fixing frame 6 descends due to the arrangement of the supporting spring 12, the contact switch 8 is triggered, a signal is transmitted to the controller, and the injection molding machine is closed to stop all actions. A propulsion oil cylinder 11 is filled with oil IN, a telescopic rod of the propulsion oil cylinder 11 extends out to drive a roller 10 of the second support frame 3 to move towards the direction close to the bottom end of the first support frame 2, and then the pedal lifting frame 7 is driven to move upwards to a required position to stop propulsion;

after debugging and maintenance work are finished, the telescopic rod of the propulsion oil cylinder 11 contracts and drives the roller 10 of the second support frame 3 to move towards the direction far away from the bottom end of the first support frame 2, the pedal lifting frame 7 is driven to descend to a safe position, a person leaves the anti-skid pedal 5, the support spring 12 rebounds and enables the pedal fixing frame 6 to be separated from the contact switch 8, and then the controller controls the injection molding machine to run.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an automatic lift type safety platform, is including being located the safety platform under mould (1), its characterized in that: the safety platform comprises a pedal lifting frame (7) which does lifting motion relative to the injection molding machine bracket (9), a driving device for driving the pedal lifting frame (7) and a connecting structure for connecting the pedal lifting frame (7) and the driving device; the connecting structure comprises a first supporting frame (2) and a second supporting frame (3) which are positioned between the pedal lifting frame (7) and the injection molding machine support (9) and are in cross rotating connection, the top end of the first supporting frame (2) is in rotating connection with the pedal lifting platform, and the bottom end of the first supporting frame is in rotating connection with the injection molding machine support (9); the top end of the second support frame (3) is rotatably connected with the pedal lifting platform, and the bottom end of the second support frame is arranged on the injection molding machine support (9) through a roller (10); wherein one end of the driving device is connected with the bottom end of the second support frame (3); when the driving device drives the bottom end of the second support frame (3) to move towards the direction close to the bottom end of the first support frame (2) through a roller (10), the pedal lifting frame (7) ascends; when the driving device drives the bottom end of the second support frame (3) to move towards the direction far away from the bottom end of the first support frame (2) through the roller (10), the pedal lifting frame (7) descends.

2. The auto-lift type safety platform of claim 1, wherein: the driving device comprises a propulsion oil cylinder (11), and the propulsion oil cylinder (11) comprises a telescopic piston rod (111) connected with the roller (10).

3. The auto-lift type safety platform of claim 2, wherein: and the propulsion oil cylinder (11) is fixedly arranged on the injection molding machine frame.

4. The auto-lift type safety platform of claim 1, wherein: the pedal lifting frame (7) is provided with a safety pedal structure convenient to overhaul.

5. The auto-lift type safety platform of claim 4, wherein: the safety pedal structure comprises an anti-skid pedal (5) and a pedal fixing frame (6) used for installing the anti-skid pedal (5), the pedal fixing frame (6) is installed on the pedal lifting frame (7) through a supporting spring (12), and a contact switch (8) is installed at one end, close to the pedal fixing frame (6), of the pedal lifting frame (7); when the antiskid pedal (5) is not in a stressed state, the contact switch (8) is not triggered; when the anti-skid pedal (5) is stressed, the pedal fixing frame (6) moves downwards to trigger the contact switch (8).

6. The auto-lift type safety platform of claim 4, wherein: the injection molding machine also comprises a controller which is used for receiving the signal of the contact switch (8) and closing the injection molding machine.