CN213675188U

CN213675188U - Hydraulic bending die

Info

Publication number: CN213675188U
Application number: CN202021774224.5U
Authority: CN
Inventors: 孙树金; 郑凯; 韩涛; 马超; 张斌; 王喜军; 林学章; 姜密; 邱殿春; 郝明; 邹维刚
Original assignee: Dalian Aotian Glass Fiber Co ltd
Current assignee: Dalian Aotian Glass Fiber Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-07-13
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a hydraulic bending die, including the bed die, the equal rigid coupling in bottom four corners of bed die has the base, the left and right sides of going up the mould all is equipped with positioning mechanism, two the sliding sleeve is rigid coupling in the outer wall left and right sides of bed die respectively, the outer wall of first spring and the inner wall clearance fit of the body of rod, the one end rigid coupling of first spring is in the inner wall one end of the body of rod, the other end rigid coupling of first spring is in the outer wall of kelly. This hydraulic bending die, when making last mould and bed die laminate, the slip of accessible slide bar and sliding sleeve links to each other, carries out stable laminating, and through the joint of kelly and draw-in groove piece, strengthen the laminating stability of bed die and last mould, make the handle drive the inner wall that the inserted bar shifted out the groove piece, the cancellation is spacing to the ejector pin, and then elastic deformation through the second spring, make the ejector pin ejecting with the inside hydraulic bending of bed die cavity.

Description

Hydraulic bending die

Technical Field

The utility model relates to a hydraulic pressure return bend production technical field specifically is a hydraulic pressure return bend mould.

Background

Mould (mj below), industrial production is used for moulding plastics, the blow molding, extrude, die-casting or forging and pressing shaping, smelt, various moulds and the instrument that the required product was obtained to methods such as punching press, although current hydraulic pressure return bend mould can realize the production to the hydraulic pressure return bend, nevertheless exist and carry out long-time laminating at last mould and bed die, probably cause the skew, and then make the low problem of hydraulic pressure return bend precision of producing, and exist when hydraulic pressure return bend injection moulding back, have certain high temperature, the problem that the user of being not convenient for took out the die cavity with the hydraulic pressure return bend.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic pressure return bend mould to the existence that proposes in solving above-mentioned background art carries out long-time laminating at last mould and bed die, can cause the skew, and then makes the low problem of hydraulic pressure return bend precision of producing.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic pipe bending die comprises a lower die, wherein four corners of the bottom of the lower die are fixedly connected with a base, vertical rods are fixedly connected to the left side and the right side of the top of the lower die, an upper die is in clearance fit with the outer walls of the two vertical rods, the bottom of the upper die is attached to the top of the lower die, the top of the upper die is communicated with a sprue bush, and positioning mechanisms are arranged on the left side and the right side of the upper die;

the positioning mechanism comprises a sliding rod, a sliding sleeve, a clamping groove block, a rod body, a clamping rod and a first spring;

two the slide bar is rigid coupling in the outer wall left and right sides of last mould respectively, the outer wall of slide bar slides and links to each other there is the sliding sleeve, two the sliding sleeve is rigid coupling in the outer wall left and right sides of bed die respectively, the outer wall rigid coupling of sliding sleeve has the draw-in groove piece, the outer wall of slide bar rotates through the connecting axle and links to each other there is the body of rod, the inner wall clearance fit of the body of rod has the kelly, the one end outer wall and the draw-in groove piece looks joint of kelly, the outer wall clearance fit of kelly has first spring, the outer wall of first spring and the inner wall clearance fit of the body of rod, the one end rigid coupling of first spring in the inner wall one end of the body of rod.

Preferably, the outer wall of the clamping rod is provided with a stop block.

Preferably, the bottom of the lower die is provided with a material ejecting mechanism;

the material ejecting mechanism comprises a transverse plate, a through opening, an ejector rod and a second spring;

the bottom of bed die is located to the diaphragm, the opening has all been processed to the top left and right sides of diaphragm, the top rigid coupling of diaphragm has the ejector pin, the outer wall of ejector pin runs through in the bottom of bed die and is linked together with the die cavity of bed die, the outer wall clearance fit of ejector pin has the second spring, the top rigid coupling of second spring in the bottom of bed die, the bottom rigid coupling of second spring in the top of diaphragm.

Preferably, the left side and the right side of the top of the transverse plate are both provided with a limiting mechanism;

the limiting mechanism comprises a sliding block, an inserted link, a groove block and a handle;

two the slider difference rigid coupling in the top left and right sides of diaphragm, the outer wall of slider slides and links to each other there is the inserted bar, the outer wall clearance fit of inserted bar has the recess piece, two the recess piece difference rigid coupling in the bottom left and right sides of bed die, the outer wall of recess piece and the inner wall clearance fit of opening, the outer wall rigid coupling of inserted bar has the handle.

Preferably, the surface of the handle is provided with grains.

Preferably, the clearance between the outer wall of the groove block and the through opening is 2-3 mm.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization.

This hydraulic pressure bending die through the cooperation between sliding sleeve, slide bar, the body of rod, spring, kelly and the draw-in groove piece for when last mould and bed die carry out the laminating, the slip of accessible slide bar and sliding sleeve links to each other, carries out stable laminating, and through the joint of kelly and draw-in groove piece, the laminating stability of reinforcing bed die and last mould.

This hydraulic pressure bending die through the cooperation between ejector pin, second spring, diaphragm, slider, inserted bar, recess piece and the handle for the handle drives the inserted bar and shifts out the inner wall of recess piece, and the cancellation is spacing to the ejector pin, and then through the elastic deformation of second spring, makes the ejector pin ejecting with the inside hydraulic pressure return bend of bed die cavity.

Drawings

FIG. 1 is a schematic view of the connection relationship of the present invention;

FIG. 2 is a schematic structural view of the sliding sleeve, the sliding rod and the first spring in FIG. 1;

FIG. 3 is a schematic structural view of the lower mold, the ejector pin and the second spring in FIG. 1;

fig. 4 is a schematic structural view of the lower mold, the groove block and the handle in fig. 1.

In the figure: 1. the lower die comprises a lower die body, 2, a base, 3, a vertical rod, 4, an upper die body, 5, a sprue bush, 6, a positioning mechanism, 601, a sliding rod, 602, a sliding sleeve, 603, a clamping groove block, 604, a rod body, 605, a clamping rod, 606, a first spring, 7, an ejection mechanism, 701, a transverse plate, 702, a through hole, 703, an ejector rod, 704, a second spring, 8, a limiting mechanism, 801, a sliding block, 802, an inserted rod, 803, a groove block, 804 and a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a hydraulic pipe bending die comprises a lower die 1, wherein four corners of the bottom of the lower die 1 are fixedly connected with a base 2, vertical rods 3 are fixedly connected with the left side and the right side of the top of the lower die 1, an upper die 4 is arranged on the outer walls of the two vertical rods 3 in a clearance fit manner, so that the upper die 4 can perform lifting motion on the outer walls of the vertical rods 3, the bottom of the upper die 4 is attached to the top of the lower die 1, the top of the upper die 4 is communicated with a sprue bush 5, the sprue bush 5 is used for being connected with an external injection molding machine, so that liquid flows into a cavity formed by attaching the upper die 4 and the lower die 1 through the sprue bush 5, positioning mechanisms 6 are arranged on the left side and the right side of the upper die 4, each positioning mechanism 6 comprises a sliding rod 601, a sliding sleeve 602, a clamping groove block 603, a rod body 604, a clamping rod 605 and a first spring 606, the two sliding rods 601 are respectively fixedly connected to the, when the upper die 4 is attached to the lower die 1, the upper die 4 can be connected with the sliding sleeve 602 in a sliding manner to limit the position, the two sliding sleeves 602 are respectively and fixedly connected to the left side and the right side of the outer wall of the lower die 1, the outer wall of the sliding sleeve 602 is fixedly connected with the slot block 603, the outer wall of the sliding sleeve 601 is rotatably connected with the rod body 604 through the connecting shaft, the inner wall of the rod body 604 is in clearance fit with the clamping rod 605, the outer wall of one end of the clamping rod 605 is clamped with the slot block 603, after the clamping rod 605 is clamped with the slot block 603, the attachment stability of the upper die 4 and the lower die 1 is enhanced, the outer wall of the clamping rod 605 is in clearance fit with the first spring 606, the clamping rod 605 is provided with a clamping force with the clamping rod 603, the outer wall of the first spring 606 is in clearance fit with the inner wall of the rod body 604, one end of the first spring 606 is fixedly connected to one end of the inner wall of, the stop facilitates movement of the catch lever 605 by a user.

The bottom of bed die 1 is equipped with liftout mechanism 7, liftout mechanism 7 includes diaphragm 701, opening 702, ejector pin 703 and second spring 704, the bottom of bed die 1 is located to diaphragm 701, opening 702 has all been processed to the top left and right sides of diaphragm 701, the top rigid coupling of diaphragm 701 has ejector pin 703, ejector pin 703 is used for ejecting the inside work piece of bed die 1, the outer wall of ejector pin 703 runs through in the bottom of bed die 1 and is linked together with the die cavity of bed die 1, the outer wall clearance fit of ejector pin 703 has second spring 704, second spring 704 gives the inside power of ejector pin 703 immigration bed die 1 die cavity, the top rigid coupling of second spring 704 in the bottom of bed die 1, the bottom rigid coupling of second spring 704 in the top of diaphragm 701.

The left side and the right side of the top of the transverse plate 701 are respectively provided with a limiting mechanism 8, the limiting mechanisms 8 comprise sliding blocks 801, insertion rods 802, groove blocks 803 and handles 804, the two sliding blocks 801 are respectively and fixedly connected to the left side and the right side of the top of the transverse plate 701, the outer walls of the sliding blocks 801 are connected with the insertion rods 802 in a sliding manner, so that the insertion rods 802 can slide left and right on the outer walls of the sliding blocks 801, the outer walls of the insertion rods 802 are in clearance fit with the groove blocks 803, the two groove blocks 803 are respectively and fixedly connected to the left side and the right side of the bottom of the lower die 1, the transverse plate 701 and the ejector rods 703 are limited after the insertion rods 802 are in clearance fit with the inner walls of the groove blocks 803, the top of the ejector rods 703 and the bottom of a cavity of the lower die 1 form a whole after the limitation, the outer walls of the groove blocks 803 are in clearance fit with the inner walls of the, the lines are used for increasing the friction force between the handle 804 and the hand, and the gap between the outer wall of the groove block 803 and the through hole 702 is 2-3mm, so that the groove block 803 can stably move into the inner wall of the through hole 702.

When the hydraulic pipe bending die is used, a user attaches an upper die 4 and a lower die 1, when the upper die 4 and the lower die 1 are attached, a sliding rod 601 is connected with a sliding sleeve 602 in a sliding mode, the upper die 4 and the lower die 1 are limited, after the upper die 4 and the lower die 1 are attached, the user clamps a clamping rod 605 with a clamping groove block 603 to enable the upper die 4 and the lower die 1 to be stably attached, after the upper die 4 and the lower die 1 are attached, the user connects a sprue bush 5 with an external injection molding machine, after the connection, the external injection molding machine flows liquid into a cavity formed by the attachment of the upper die 4 and the lower die 1 through the sprue bush 5 to carry out shaping, after the shaping, the user cancels the clamping connection of the clamping rod 605 and the clamping groove block 603 and separates the upper die 4 from the lower die 1, after the separation, the user drives an inserting rod 802 to slide outwards on the outer wall of a sliding block 801 through a handle 804 to enable the inserting rod 802 to move out, the ejector rod 703 is driven to move into the cavity of the lower die 1, and the workpiece is ejected out of the cavity of the lower die 1.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic pressure bending die, includes lower mould (1), the equal rigid coupling in bottom four corners of lower mould (1) has base (2), the equal rigid coupling in top left and right sides of lower mould (1) has montant (3), two the outer wall clearance fit of montant (3) has last mould (4), the bottom of going up mould (4) is laminated with the top of lower mould (1) mutually, the top intercommunication of going up mould (4) has runner cover (5), its characterized in that: the left side and the right side of the upper die (4) are both provided with a positioning mechanism (6);

the positioning mechanism (6) comprises a sliding rod (601), a sliding sleeve (602), a clamping groove block (603), a rod body (604), a clamping rod (605) and a first spring (606);

the two sliding rods (601) are respectively and fixedly connected with the left side and the right side of the outer wall of the upper die (4), the outer wall of the sliding rod (601) is connected with sliding sleeves (602) in a sliding manner, the two sliding sleeves (602) are respectively and fixedly connected with the left side and the right side of the outer wall of the lower die (1), the outer wall of the sliding sleeve (602) is fixedly connected with a clamping groove block (603), the outer wall of the sliding rod (601) is rotationally connected with a rod body (604) through a connecting shaft, a clamping rod (605) is in clearance fit with the inner wall of the rod body (604), the outer wall of the clamping rod (605) is clamped with the clamping groove block (603), a first spring (606) is in clearance fit with the outer wall of the clamping rod (605), the outer wall of the first spring (606) is in clearance fit with the inner wall of the rod body (604), one end of the first spring (606) is fixedly connected with one end of the inner wall of the rod body (604), the other end of the first spring (606) is fixedly connected with the outer wall of the clamping rod (605).

2. A hydraulic bending mould according to claim 1, wherein: the outer wall of the clamping rod (605) is provided with a stop block.

3. A hydraulic bending mould according to claim 1, wherein: the bottom of the lower die (1) is provided with a material ejecting mechanism (7);

the material ejecting mechanism (7) comprises a transverse plate (701), a through hole (702), an ejector rod (703) and a second spring (704);

the bottom of bed die (1) is located in diaphragm (701), opening (702) have all been processed to the top left and right sides of diaphragm (701), the top rigid coupling of diaphragm (701) has ejector pin (703), the outer wall of ejector pin (703) runs through in the bottom of bed die (1) and the die cavity of bed die (1) and is linked together, the outer wall clearance fit of ejector pin (703) has second spring (704), the top rigid coupling of second spring (704) in the bottom of bed die (1), the bottom rigid coupling of second spring (704) in the top of diaphragm (701).

4. A hydraulic bending mould according to claim 3, wherein: the left side and the right side of the top of the transverse plate (701) are provided with limiting mechanisms (8);

the limiting mechanism (8) comprises a sliding block (801), an insertion rod (802), a groove block (803) and a handle (804);

two slider (801) rigid coupling respectively in the top left and right sides of diaphragm (701), the outer wall of slider (801) slides and links up and has inserted bar (802), the outer wall clearance fit of inserted bar (802) has groove block (803), two groove block (803) rigid coupling respectively in the bottom left and right sides of bed die (1), the outer wall of groove block (803) and the inner wall clearance fit of opening (702), the outer wall rigid coupling of inserted bar (802) has handle (804).

5. A hydraulic bending mould according to claim 4, wherein: the surface of the handle (804) is provided with grains.

6. A hydraulic bending mould according to claim 4, wherein: the clearance between the outer wall of the groove block (803) and the through opening (702) is 2-3 mm.