CN219093598U

CN219093598U - Low-pressure casting machine adopting anti-falling mechanism

Info

Publication number: CN219093598U
Application number: CN202223471210.8U
Authority: CN
Inventors: 王晗丞; 王文毅
Original assignee: Wuxi Forland Technology Co ltd
Current assignee: Wuxi Forland Technology Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-30
Anticipated expiration: 2032-12-26

Abstract

The utility model provides a low-pressure casting machine adopting a falling prevention mechanism, which comprises a top frame, a bottom frame, an upper template and two groups of falling prevention mechanisms, wherein guide columns are connected between the top frame and the bottom frame, the falling prevention mechanisms are arranged on the top frame and comprise a bottom plate and tooth-shaped columns, the bottom plate is fixed on the top frame, a disengaging cylinder and a support are respectively arranged at two ends of the bottom plate, a piston rod of the disengaging cylinder is connected with a push block, the support is connected with one end of a spring, the other end of the spring is connected with a clamping block, tooth-shaped columns penetrate through the bottom plate and the top frame and are fixedly connected with the upper template, the tooth-shaped columns are positioned between the push block and the clamping block, a row of tooth grooves are formed in the surface of the tooth-shaped columns, and tooth grooves formed in the tooth-shaped columns face one side of the clamping block. The anti-falling device solves the problems that in the prior art, when the anti-falling device is unlocked, the structure is matched, the friction resistance born by the pin shaft is large, and the unlocking is difficult to pull out.

Description

Low-pressure casting machine adopting anti-falling mechanism

Technical Field

The utility model relates to the technical field of casting machines, in particular to a low-pressure casting machine adopting a falling-preventing mechanism.

Background

The existing anti-falling device on the low-pressure casting machine generally adopts a pneumatic pin shaft mode, and great pulling force is required when the device is opened, so that the cylinder diameter of the cylinder needs to be designed to be great, and the device is heavy. The existing low-pressure casting machine has high requirement on air supply pressure, and as the pin shaft is in cylindrical contact with the fixed point, the resistance is large, the anti-falling device is difficult to open, and other actions are often needed to assist, so that the working efficiency is reduced.

Disclosure of Invention

The utility model provides a low-pressure casting machine adopting a falling-preventing mechanism, which aims to solve the problems that when a falling-preventing device in the prior art is unlocked, the structure is matched, the friction resistance born by a pin shaft is large, and the unlocking is difficult to pull out.

In order to solve the technical problems, the utility model provides a low-pressure casting machine adopting a falling-preventing mechanism, which comprises a top frame, a bottom frame, an upper template and two groups of falling-preventing mechanisms, wherein a guide pillar is connected between the top frame and the bottom frame, the upper template is installed on the guide pillar in a sliding fit manner, the falling-preventing mechanism is installed on the top frame, the falling-preventing mechanism comprises a bottom plate and tooth-shaped columns, the bottom plate is fixed on the top frame, two ends of the bottom plate are respectively provided with a disengaging cylinder and a support, a piston rod of the disengaging cylinder is connected with a push block, the support is connected with one end of a spring, the other end of the spring is connected with a clamping block, the tooth-shaped columns penetrate through the bottom plate and the top frame and are fixedly connected with the upper template, the tooth-shaped columns are positioned between the push block and the clamping block, a row of tooth grooves are formed in the surface of the tooth-shaped columns, and the tooth grooves formed in the tooth-shaped columns face one side of the clamping block.

The pushing block is a U-shaped block.

The spring is also provided with a guide rod, one end of the guide rod is fixedly connected with the support, and the other end of the guide rod is in sliding fit with the clamping block.

A special-shaped block is further connected between the piston rod of the disengaging cylinder and the pushing block, and two detection switches are further arranged on two sides of the special-shaped block.

Guide blocks are also arranged on two sides of the pushing block.

And the top frame is also provided with a hydraulic cylinder, and a piston rod of the hydraulic cylinder is vertically and downwards fixedly connected with the upper template.

The piston rod, the guide post and the tooth-shaped post of the hydraulic cylinder are parallel to each other.

The utility model has the beneficial effects that: the low-pressure casting machine adopting the anti-falling mechanism prevents the anti-falling mechanism from falling by pushing the clamping block to clamp the toothed column through the elastic force of the spring, has small contact area and a plane contact surface, solves the problem of difficult disengagement when the anti-falling mechanism is unlocked, and has simple and reliable action and high working efficiency; the structure design is simple and compact, the manufacturing and the assembly are easy, and the maintenance are convenient; the structure design makes the original large-diameter large-stroke cylinder unnecessary, the consumption of the air source is smaller, and the use cost is saved.

Drawings

FIG. 1 is a schematic view of the overall structure of a low pressure casting machine employing a fall arrest mechanism of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a schematic view of the fall arrest mechanism of the present utility model;

the device comprises a 1-top frame, a 2-bottom frame, a 3-upper template, a 4-falling prevention mechanism, a 5-guide pillar, a 6-bottom plate, a 7-tooth-shaped column, an 8-disengaging cylinder, a 9-support, a 10-push block, an 11-spring, a 12-clamping block, a 13-tooth socket, a 14-special-shaped block, a 15-detection switch, a 16-guide block and a 17-hydraulic cylinder.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and the embodiments, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

A low-pressure casting machine adopting anti-falling mechanisms, as shown in figures 1-2, comprises a top frame 1, a bottom frame 2, an upper template 3 and two groups of anti-falling mechanisms 4, wherein a guide pillar 5 is connected between the top frame 1 and the bottom frame 2 to form a frame structure, the upper template 3 is arranged between the top frame 1 and the bottom frame 2 in parallel and is installed on the guide pillar 5 in a sliding fit manner, and the anti-falling mechanisms 4 are installed on the upper surface of the top frame 1.

As shown in fig. 3, the anti-falling mechanism 4 comprises a bottom plate 6 and a toothed column 7, the bottom plate 6 is fixed on the top frame 1, a disengaging cylinder 8 and a support 9 are respectively arranged at two ends of the bottom plate 6, a piston rod of the disengaging cylinder 8 is connected with a push block 10, the push block 10 is a U-shaped block, the support 9 is connected with one end of a spring 11, and the other end of the spring 11 is connected with a clamping block 12; the tooth-shaped column 7 vertically penetrates through the bottom plate 6 and the top frame 1 and is fixedly connected with the upper template 3, the tooth-shaped column 7 is positioned between the push block 10 and the clamping block 12, a row of tooth grooves 13 which are arranged at intervals are formed in the surface of the tooth-shaped column 7 along the height direction, and the tooth grooves 13 formed in the tooth-shaped column 7 face one side of the clamping block 12.

Further, a guide rod is further arranged in the spring 11, one end of the guide rod is fixedly connected with the support 9, the other end of the guide rod is in sliding fit with the clamping block 12, and the guide rod plays a guiding role.

Further, a special-shaped block 14 is further connected between the piston rod of the disengaging cylinder 8 and the push block 10, two detection switches 15 are further installed on two sides of the special-shaped block 14, and the special-shaped block 14 pushes the detection head of the detection switch 15 in the process of moving along with the push block 10, so that the detection switch 15 detects the moving state of the push block 10.

Further, guide blocks 16 are further installed on two sides of the push block 10, and the guide blocks 16 play a role in limiting and guiding the push block 10.

Further, a hydraulic cylinder 17 is also installed on the top frame 1, and a piston rod of the hydraulic cylinder 17 is vertically and downwards fixedly connected with the upper template 3.

Further, the piston rod of the hydraulic cylinder 17, the guide post 5 and the tooth-shaped post 7 are parallel to each other.

The working principle of the utility model is as follows: after the hydraulic cylinder 17 of the low-pressure casting machine drives the upper die plate 3 to lift to the proper position, the disengaging cylinder 8 is retracted, the pushing block 10 is far away from the clamping block 12, the clamping block 12 is clamped in the tooth slot 13 of the tooth-shaped column 7 under the thrust of the spring 11, and the upper die plate 3 connected with the tooth-shaped column 7 is prevented from falling down due to unexpected conditions; when the upper template 3 needs to be lifted, the piston rod of the disengaging cylinder 8 stretches out, the pushing block 10 moves towards the clamping block 12 and is abutted against the clamping block, the clamping block 12 is pushed away in the direction away from the tooth-shaped column 7, the tooth-shaped column 7 is unlocked, and the upper template 3 can be lifted freely.

In summary, the low-pressure casting machine adopting the anti-falling mechanism disclosed by the utility model has the advantages that the anti-falling mechanism is prevented from falling by pushing the clamping block to clamp the toothed column through the elastic force of the spring, the contact area is small, the contact surface is a plane, the problem of difficult disengagement when the anti-falling mechanism is unlocked is solved, the action is simple and reliable, and the working efficiency is high; the structure design is simple and compact, the manufacturing and the assembly are easy, and the maintenance are convenient; the structure design makes the original large-diameter large-stroke cylinder unnecessary, the consumption of the air source is smaller, and the use cost is saved.

The above description is only an example of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the scope of the claims of the present utility model.

Claims

1. A low-pressure casting machine adopting a falling prevention mechanism is characterized in that: including roof-rack (1), chassis (2), cope match-plate pattern (3), two sets of anti-falling mechanism (4), be connected with guide pillar (5) between roof-rack (1), chassis (2), cope match-plate pattern (3) sliding fit installs on guide pillar (5), anti-falling mechanism (4) are installed on roof-rack (1), anti-falling mechanism (4) include bottom plate (6), profile of tooth post (7), bottom plate (6) are fixed on roof-rack (1), disengaging cylinder (8), support (9) are installed respectively at bottom plate (6) both ends, disengaging cylinder's (8) piston rod is connected with ejector pad (10), the one end of spring (11) is connected to support (9), the other end of spring (11) is connected with fixture block (12), profile of tooth post (7) pass bottom plate (6), roof-rack (1) and with cope match-plate pattern (3) fixed connection, profile of tooth post (7) are located between ejector pad (10) and fixture block (12), profile of tooth post (7) surface is equipped with one row of tooth grooves (13), profile of tooth post (13) are seted up towards one side of tooth groove (13).

2. A low-pressure casting machine with fall protection according to claim 1, characterized in that the pusher (10) is a U-shaped block.

3. The low-pressure casting machine adopting the anti-falling mechanism according to claim 1, wherein a guide rod is further arranged in the spring (11), one end of the guide rod is fixedly connected with the support (9), and the other end of the guide rod is in sliding fit with the clamping block (12).

4. The low-pressure casting machine adopting the anti-falling mechanism according to claim 1, wherein a special-shaped block (14) is further connected between the piston rod of the disengaging cylinder (8) and the push block (10), and two detection switches (15) are further arranged on two sides of the special-shaped block (14).

5. A low pressure casting machine employing a fall protection mechanism according to claim 1, characterized in that guide blocks (16) are also mounted on both sides of the pusher (10).

6. The low-pressure casting machine adopting the anti-falling mechanism according to claim 1, wherein the top frame (1) is also provided with a hydraulic cylinder (17), and a piston rod of the hydraulic cylinder (17) is vertically and downwards fixedly connected with the upper die plate (3).

7. The low-pressure casting machine adopting the anti-falling mechanism according to claim 6, wherein the piston rod of the hydraulic cylinder (17), the guide post (5) and the tooth-shaped post (7) are parallel to each other.