CN219338259U

CN219338259U - Mould opening tool

Info

Publication number: CN219338259U
Application number: CN202223535066.XU
Authority: CN
Inventors: 饶达; 张锡阳; 王炳南
Original assignee: Taicang Ruiyide Plastic Manufacturing Co ltd
Current assignee: Taicang Ruiyide Plastic Manufacturing Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-07-14
Anticipated expiration: 2032-12-27

Abstract

The utility model provides a mold opening tool which comprises a base, wherein a three-jaw chuck is arranged in the middle of the top end of the base, guide posts with the bottom ends fixed with the base are arranged on the adjacent sides of the three-jaw chuck in parallel, a top plate is fixed on the top end of each guide post, a screw rod parallel to the guide posts is connected onto the top plate in a threaded manner, the bottom ends of the screw rods penetrate through the top plate and are rotationally connected with the top end of a lifting plate, the lifting plate is arranged on the guide posts in a sliding manner, and screws are rotationally connected right above the bottom ends of the lifting plate corresponding to the three-jaw chuck. In the structure of the utility model, the screw lifting mechanism is matched with the three-jaw chuck, so that the separation of the orifice plate and the runner plate in the existing double-plate extrusion die can be completed, the separation operation of the orifice plate and the runner plate is stable, and the problem of damage caused by mutual collision is avoided; the popularization and application have good economic benefit and social benefit.

Description

Mould opening tool

Technical Field

The utility model belongs to the technical field of mold opening tools, and particularly relates to a mold opening tool.

Background

The rubber extrusion die is a die for producing rubber profile products with continuous shapes, most of the existing extrusion dies are double-plate or multi-plate structures, one of the double-plate mechanisms is a runner plate structure, for products with shape requirements, especially cavity shape requirements, product molding cores are arranged in the extrusion die, the product molding cores are respectively inserted into profiling ports on the runner plate and the runner plate, rubber materials enter the die from profiling rubber injection ports on the runner plate, and the rubber materials are extruded out of the runner plate through a discharge port of the product molding cores.

When the double-plate extrusion die needs to be maintained, the mouth template and the runner plate are required to be separated, the existing die opening tool is mainly a clamping tool, after the mouth template and the runner plate are respectively clamped by the clamping tool, the mouth template and the runner plate after clamping are manually pulled away, the risk of collision damage of the mouth template and a core on the runner plate exists, and when the mouth template is clamped askew, the error is larger.

How to design a mould opening tool and how to increase the stability of the parting of the extrusion mould becomes a problem to be solved urgently.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a mold opening tool for solving the problem that the poor mold separation stability of the extrusion mold in the prior art is easy to cause component damage.

In order to achieve the above purpose, the utility model provides a mold opening tool, which comprises a base, wherein a three-jaw chuck is arranged in the middle of the top end of the base, guide posts with the bottom ends fixed with the base are arranged on the adjacent sides of the three-jaw chuck in parallel, a top plate is fixed on the top end of each guide post, a screw rod parallel to the guide posts is connected to the top plate in a threaded manner, the bottom end of the screw rod penetrates through the top plate and is rotationally connected with the top end of a lifting plate, the lifting plate is arranged on the guide posts in a sliding manner, and a screw is rotationally connected to the bottom end of the lifting plate right above the corresponding three-jaw chuck.

By adopting the technical scheme: the three-jaw chuck and the lifting plate can be respectively used as fixing pieces of the runner plate and the port template in the double-plate extrusion die, and after the lifting plate is fixed with the port template, the lifting plate can move up and down under the cooperation of the screw rod and the top plate, and on the basis, the separation of the port template and the runner plate clamped on the three-jaw chuck can be completed; the guide pillar is arranged to limit the lifting plate, the lifting guide of the lifting plate can be carried out except that the lifting adjustment can be smoothly completed by matching with the screw rod and the top plate, the lifting stability of the lifting plate is increased, the stability of the movement of the mouth template fixed with the lifting plate is further increased, the problem that the mouth template collides with the runner plate and the core on the runner plate in the separation process of the mouth template and the runner plate is avoided, and the safety and the stability of the parting mold are ensured.

In an embodiment of the utility model, the three-jaw chuck comprises a disk seat and jaws, wherein an adjusting port for driving the jaws to move along the radial direction at the top end of the disk seat is arranged on the disk seat;

by adopting the technical scheme: the three-jaw chuck is set to be manually adjusted, so that the use cost of the whole tool is reduced while the clamping operation can be completed.

In an embodiment of the utility model, a limit sleeve is sleeved on the lower side column body of the guide column, and the top end surface of the limit sleeve is higher than the top end surface of the three-jaw chuck;

by adopting the technical scheme: the limiting sleeve can limit the descending of the lifting plate, so that the problem that the assembly is extruded and damaged due to the fact that the mouth template moves down along with the lifting plate too much distance is avoided, and the operation safety is improved.

In an embodiment of the utility model, an internal thread is arranged in the limit sleeve, an external thread is arranged on the lower side column body of the guide column, and the internal thread is matched with the external thread;

by adopting the technical scheme: the limiting sleeve and the guide post are in threaded fit, so that the limiting sleeve has the capability of adjusting up and down on the guide post, and the limiting sleeve can be suitable for die parting limiting of dies with different sizes.

In one embodiment of the utility model, a handle is fixed at the top end of the screw rod;

by adopting the technical scheme: the rotation difficulty of the screw rod is reduced, and then the operation difficulty of the tool is reduced.

In an embodiment of the present utility model, the lifting plate is provided with a sliding hole, and is slidably connected to the guide post through the sliding hole;

by adopting the technical scheme: through the cooperation of slide hole and guide pillar, increase the sliding stability of lifter plate on the guide pillar.

In an embodiment of the utility model, the screw penetrates through the lifting plate, and a counter bore corresponding to the top of the screw is formed in the lifting plate.

By adopting the technical scheme: the screw adjusting device ensures that the screw adjusting can be carried out on the upper part of the lifting plate, and reduces the difficulty of fixing the middle opening template of the double-plate extrusion die with the lifting plate.

Advantageous effects

In the structure of the utility model, the screw lifting mechanism is matched with the three-jaw chuck, so that the separation of the orifice plate and the runner plate in the existing double-plate extrusion die can be completed, the separation operation of the orifice plate and the runner plate is stable, and the problem of damage caused by mutual collision is avoided; the popularization and application have good economic benefit and social benefit.

Drawings

Fig. 1 is a front view of the present utility model.

FIG. 2 is a schematic diagram of the split mode of the present utility model.

In the figure: 1. a base; 2. a tray seat; 3. a claw; 4. a guide post; 5. a top plate; 6. a screw; 7. a lifting plate; 8. a screw; 9. a limit sleeve; 10. a handle.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1-2. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

As shown in fig. 1-2, the utility model provides a mold opening tool, which comprises a base 1, wherein a three-jaw chuck is arranged in the middle of the top end of the base 1, guide posts 4 with the bottom ends fixed with the base 1 are arranged on adjacent sides of the three-jaw chuck in parallel, a top plate 5 is fixed on the top end of each guide post 4, a screw rod 6 parallel to each guide post 4 is connected on the top plate 5 in a threaded manner, the bottom end of each screw rod 6 penetrates through the top plate 5 and is rotationally connected with the top end of a lifting plate 7, the lifting plate 7 is arranged on the guide posts 4 in a sliding manner, and screws 8 are rotationally connected right above the corresponding three-jaw chuck at the bottom end of the lifting plate 7; the three-jaw chuck and the lifting plate 7 can be respectively used as fixing pieces of a runner plate and a port template in the double-plate extrusion die, the lifting plate 7 can move up and down under the cooperation of the screw 6 and the top plate 5 after being fixed with the port template, and the separation of the port template and the runner plate clamped on the three-jaw chuck can be completed based on the fixing pieces; the guide pillar 4 is arranged to limit the lifting plate 7, the lifting guide of the lifting plate 7 can be carried out except that the lifting adjustment can be smoothly completed by matching with the screw rod 6 and the top plate 5, the lifting stability of the lifting plate 7 is increased, the moving stability of the mouth template fixed with the lifting plate 7 is further increased, the problem that the mouth template collides with the runner plate and the core on the runner plate in the process of separating the mouth template from the runner plate is avoided, and the safety and the stability of the parting mold are ensured.

Further, the three-jaw chuck comprises a disc seat 2 and a jaw 3, and an adjusting port for driving the jaw 3 to move along the radial direction at the top end of the disc seat 2 is arranged on the disc seat 2; the three-jaw chuck is set to be manually adjusted, so that the use cost of the whole tool is reduced while the clamping operation can be completed.

A limit sleeve 9 is sleeved on the lower side column body of the guide column 4, an internal thread is arranged in the limit sleeve 9, an external thread is arranged on the lower side column body of the guide column 4, and the internal thread is matched with the external thread; the limiting sleeve 9 can be used for limiting the descending of the lifting plate 7, the limiting sleeve 9 and the guide post 4 are in threaded fit, the limiting sleeve 9 has the capability of being adjusted up and down on the guide post 4, and the die separation limiting device can be suitable for dies with different sizes.

A handle 10 is fixed at the top end of the screw rod 6; the rotation difficulty of the screw rod 6 is reduced, and then the operation difficulty of the tool is reduced.

The lifting plate 7 is provided with a sliding hole and is connected to the guide post 4 in a sliding way through the sliding hole; the sliding stability of the lifting plate 7 on the guide post 4 is increased through the matching of the sliding hole and the guide post 4.

The screw 8 runs through the lifter plate 7, sets up the counter bore that corresponds with screw 8 top on the lifter plate 7, ensures can carry out the regulation of screw 8 by the upper portion of lifter plate 7, reduces the fixed degree of difficulty of mouth template and lifter plate 7 in the double-deck extrusion die.

The tool can be used for separating a die of a double-plate extrusion die, and is characterized in that when the tool is specifically implemented, a runner plate part of the double-plate extrusion die is downwards placed on a three-jaw chuck, an adjusting tool is used for rotating an adjusting hole on a disc seat 2 in the three-jaw chuck to drive a jaw 3 on the disc seat 2 to move along the radial direction, finally, the runner plate in the double-plate extrusion die is clamped, then a handle 10 is rotated to drive a screw 6 to rotate, so that a lifting plate 7 moves downwards to the upper part of a mouth template in the double-plate extrusion die, the mouth template is fixed with the lifting plate 7 through a screw 8, and then the handle 10 is reversely rotated to drive the screw 6 to rotate, so that the lifting plate 7 moves upwards with the mouth template, and finally, the mouth template and the runner plate are separated.

In summary, the utility model provides a mold opening tool, which is provided with a screw 6 lifting mechanism matched with a three-jaw chuck, so that the separation of a port template and a runner plate in the existing double-plate extrusion mold can be completed, the separation operation of the port template and the runner plate is stable, and the problem of damage caused by mutual collision is avoided; the popularization and application have good economic benefit and social benefit. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. The utility model provides a mould frock opens, includes base (1), its characterized in that: the three-jaw chuck is installed at the top mid-mounting of base (1), the adjacent side of three-jaw chuck is parallel arrangement and has bottom and fixed guide pillar (4) of base (1), the top of guide pillar (4) is fixed with roof (5), threaded connection has screw rod (6) that are parallel to each other with guide pillar (4) on roof (5), the top rotation of roof (5) and lifter plate (7) is run through to the bottom of screw rod (6), lifter plate (7) slip sets up on guide pillar (4), the bottom of lifter plate (7) corresponds directly over the three-jaw chuck and rotates and be connected with screw (8).

2. The mold opening tool according to claim 1, wherein: the three-jaw chuck comprises a disc seat (2) and clamping jaws (3), wherein an adjusting port for driving the clamping jaws (3) to move along the radial direction at the top end of the disc seat (2) is arranged on the disc seat (2).

3. The mold opening tool according to claim 1, wherein: a limit sleeve (9) is sleeved on the lower side column body of the guide column (4), and the top end surface of the limit sleeve (9) is higher than the top end surface of the three-jaw chuck.

4. A mold opening tool according to claim 3, wherein: the inner part of the limit sleeve (9) is provided with an inner thread, the lower side column body of the guide column (4) is provided with an outer thread, and the inner thread is matched with the outer thread.

5. The mold opening tool according to claim 1, wherein: a handle (10) is fixed at the top end of the screw rod (6).

6. The mold opening tool according to claim 1, wherein: the lifting plate (7) is provided with a sliding hole and is connected to the guide post (4) in a sliding way through the sliding hole.

7. The mold opening tool according to claim 1, wherein: the screw (8) penetrates through the lifting plate (7), and a counter bore corresponding to the top of the screw (8) is formed in the lifting plate (7).