CN214645399U

CN214645399U - Circular four-way bent pipe rotary core-pulling mechanism mold structure

Info

Publication number: CN214645399U
Application number: CN202022936603.6U
Authority: CN
Inventors: 夏国荣
Original assignee: Victor Precision Industry Shenzhen Co ltd
Current assignee: Victor Precision Industry Shenzhen Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-11-09
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a rotatory mechanism mould structure of loosing core of circular cross return bend relates to a circular cross return bend technical field of loosing core and moulding plastics. The utility model discloses a rotatory mechanism body of loosing core, rotatory mechanism body surface middle part of loosing core rotate and are connected with rotatory slider, and slider locating pin fixedly connected with slider pull rod is passed through at rotatory slider side surface both ends, and rotatory mechanism body bottom fixedly connected with bearing plate of loosing core, first stopper of bearing plate upper surface one side both ends symmetry fixedly connected with and second stopper. The utility model discloses a set up rotatory mechanism body of loosing core, rotary slide, slip pull rod, first stopper and second stopper, have the advantage that reduces the processing cost, improves work efficiency and quick assembly disassembly, maintenance and change.

Description

Circular four-way bent pipe rotary core-pulling mechanism mold structure

Technical Field

The utility model belongs to the technical field of a circular cross return bend is loosed core and is moulded plastics, especially relate to a rotatory mechanism mould structure of loosing core of circular cross return bend.

Background

When moulding the piece and having the side opening, the side is concave, when shapes such as side is protruding, the core then need be taken out before the die sinking is ejecting, should reset during the compound die, this kind of mechanism is called the mechanism of loosing core, at present, current circular bending die structure is complicated, need design cylinder drive, the accurate link gear arc track of rack and pinion looses core, thereby need use expensive accurate hydro-cylinder rack and pinion mechanism accessory to increase the processing cost, and simultaneously, current circular bending die structure is generally through bolt fixed mounting, inconvenient quick assembly disassembly, thereby lead to not being convenient for change and maintenance, the limitation is great, can't satisfy the demand in-service use, so urgent need can the improvement technique on the market, in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotatory mechanism mould structure of loosing core of circular cross return bend, through setting up the rotatory mechanism body of loosing core, rotatory slider, the slip pull rod, first stopper and second stopper, it is complicated to have solved current circular bend mould structure, need design oil cylinder drive, the accurate link gear arc track of rack and pinion is loosed core, thereby it increases the processing cost to need to use expensive accurate hydro-cylinder rack and pinion mechanism accessory, and simultaneously, current circular bend mould structure is generally through bolt fixed mounting, inconvenient quick assembly disassembly, thereby lead to the problem of being not convenient for change and maintenance.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a rotatory mechanism die structure of loosing core of circular cross return bend, including the rotatory mechanism body of loosing core, rotatory mechanism body surface middle part of loosing core rotates and is connected with rotatory slider, and rotatory slider side surface both ends pass through slider locating pin fixedly connected with slider pull rod, rotatory mechanism body bottom fixedly connected with bearing plate of loosing core, and the first stopper of bearing plate upper surface one side both ends symmetry fixedly connected with and second stopper.

Further, bearing plate upper surface opposite side middle part symmetry fixedly connected with slide rail, and slide rail sliding connection has the sliding block, sliding block positive surface both ends middle part threaded connection has the second hexagon socket head cap screw, by the slide rail and the sliding block that set up for drive the slip pull rod and slide on the bearing plate, thereby be convenient for loose core, by the second hexagon socket head cap screw that sets up, be used for with sliding block and slider pull rod fixed connection, and convenient to detach.

Further, slider pull rod bottom is through second hexagon socket head cap screw threaded connection in sliding block upper surface middle part, and the sliding block is located the second stopper outside, is located the second stopper outside by the sliding block that sets up, is convenient for slide the removal of slider pull rod to by the second stopper that sets up, be used for injecing the position of rotatory structure body of loosing core, make it can not take place to remove, thereby influence normal work, and the dismouting of being convenient for.

Further, both sides of the middle of the rotary core pulling mechanism body are connected with bearing fixing seats through first inner hexagonal screw threads, the center of the rotary core pulling mechanism body is provided with a glue position cavity, the two sides of the glue position cavity are provided with clamping grooves, rotary sliding blocks are movably connected in the clamping grooves and used for fixedly connecting rotary bearings through the arranged bearing fixing seats, the rotary sliding blocks are convenient to connect through the arranged clamping grooves, and the glue position cavity is arranged and used for fixing the rotary sliding blocks and used for core pulling through the arranged rotary sliding blocks.

Further, the rotating slide block is located at a clamping groove position and fixedly connected with a rotating bearing, the rotating slide block is fixedly connected with a bearing fixing seat through a bearing positioning pin arranged at the center of the rotating bearing, a bearing groove is formed in the middle of the side surface of the bearing fixing seat, the rotating bearing is fixedly connected in the bearing groove, and the rotating slide block is convenient to rotate by the rotating bearing arranged, so that core pulling is facilitated.

Furthermore, the middle part of the surface of one side of the rotating slide block is fixedly connected with an arc-shaped pipe, the outer end part of the arc-shaped pipe is fixedly connected with an arc-shaped mold core, and the rotating slide block is used for enabling the rotating bearing to rotate downwards and drawing away from the glue position of the bent pipe product.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up rotatory mechanism body of loosing core, rotatory slider and slip pull rod, have the reduction processing cost, improve work efficiency's advantage, it is complicated to have solved current circular bending die structure, need design oil cylinder drive, the accurate link gear arc track of rack gear is loosed core, thereby need use expensive accurate hydro-cylinder rack and pinion gear mechanism accessory to increase the problem of processing cost, at the simple mechanical rotation mechanism of loosing core of movable mould internal design, through the action of opening and shutting of mould straight line, use lever principle, the simple pull rod drive control of using is loosed core and is constructed the work. By simplifying the die structure, the number of multi-cavity die products is doubled in the die size state of fixed specification. Meanwhile, expensive precision oil cylinder rack and pinion mechanism accessories and complex processing cost are avoided, the injection period is shortened, and the injection molding yield is improved.

2. The utility model discloses a set up first stopper and second stopper, have quick assembly disassembly, the advantage of maintenance and change, solved current circular bending die structure generally through bolt fixed mounting, inconvenient quick assembly disassembly to lead to the problem of being not convenient for change and maintenance, put into the rotatory mechanism body of loosing core between the first stopper and the second stopper of four directions bisymmetry fixed connection of bearing plate, when need take out simultaneously, mention perpendicularly can with the rotation mechanism of loosing core is direct.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic side view of the rotary core-pulling mechanism body of the present invention;

fig. 3 is a schematic view of the structure of the glue position cavity of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a bearing fixing seat; 2. rotating the slide block; 3. a slide block positioning pin; 4. a rotating bearing; 5. a bearing positioning pin; 6. a glue position cavity; 601. a card slot; 7. a slider pull rod; 8. a bearing groove; 9. a first stopper; 10. a first hexagonal socket head cap screw; 11. a second limiting block; 12. a slider; 13. a second hexagonal socket head cap screw; 14. a slide rail; 15. a bearing plate; 16. an arc tube; 17. an arc-shaped mold core; 18. and rotating the core-pulling mechanism body.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model relates to a circular four-way elbow pipe rotary core-pulling mechanism mold structure, which comprises a rotary core-pulling mechanism body 18, wherein the middle part of the surface of the rotary core-pulling mechanism body 18 is rotatably connected with a rotary slide block 2, two ends of the side surface of the rotary slide block 2 are fixedly connected with a slide block pull rod 7 through a slide block positioning pin 3, the bottom end of the rotary core-pulling mechanism body 18 is fixedly connected with a bearing plate 15, two ends of the upper surface of the bearing plate 15 are symmetrically and fixedly connected with a first stopper 9 and a second stopper 11, the rotary core-pulling mechanism body 18, the rotary slide block 2 and the slide block pull rod 7 are arranged to facilitate the reduction of the processing cost and the improvement of the working efficiency, the first stopper 9 and the second stopper 11 are arranged to facilitate the quick assembly, disassembly, the maintenance and the replacement, the simple mechanical rotary core-pulling mechanism body 18 is designed in the movable mold to linearly open and close, the lever principle is applied, and the simple pull rod is used for dragging and controlling the rotary core-pulling mechanism body 18 to work. By simplifying the die structure, the number of multi-cavity die products is doubled in the die size state of fixed specification. Meanwhile, expensive precision oil cylinder rack and pinion mechanism accessories and complex processing cost are avoided, the injection period is shortened, the injection molding yield is improved, the rotary core pulling mechanism body 18 is placed between the first limiting block 9 and the second limiting block 11 which are fixedly connected in a pairwise symmetrical mode in four directions of the bearing plate 15, and when the rotary core pulling mechanism body 18 needs to be taken out, the rotary core pulling mechanism body 18 can be directly and vertically lifted.

Wherein as shown in fig. 1, bearing plate 15 upper surface opposite side middle part symmetry fixedly connected with slide rail 14, and slide rail 14 sliding connection has sliding block 12, and sliding block 12 positive surface both ends middle part threaded connection has second hexagon socket head cap screw 13, through slide rail 14 and the sliding block 12 that set up for drive slider pull rod 7 and slide on bearing plate 15, thereby be convenient for loose core, by the second hexagon socket head cap screw 13 that sets up, be used for with sliding block 12 and slider pull rod 7 fixed connection, and convenient to detach.

Wherein as shown in fig. 1, slider pull rod 7 bottom is through second hexagon socket head cap screw 13 threaded connection in sliding block 12 upper surface middle part, and sliding block 12 is located the second stopper 11 outside, is located the second stopper 11 outside through sliding block 12 that sets up, the slider pull rod 7's of being convenient for removal to through the second stopper 11 that sets up, be used for injecing the position of rotatory mechanism body 18 of loosing core, make it can not take place to remove, thereby influence normal work, and the dismouting of being convenient for.

Wherein as shown in fig. 1, both sides of the middle part of the rotary core-pulling mechanism body 18 are connected with a bearing fixing seat 1 through a first inner hexagonal screw 10 by screw threads, the center of the rotary core-pulling mechanism body 18 is provided with a glue position cavity 6, the two sides of the glue position cavity 6 are provided with a clamping groove 601, a rotary slider 2 is movably connected in the clamping groove 601, the rotary slider 1 is arranged, the rotary bearing 4 is fixedly connected, the clamping groove 601 is arranged, the rotary slider 2 is convenient to connect, the glue position cavity 6 is arranged, the rotary slider 2 is fixed, and the rotary slider 2 is arranged and used for pulling core.

Wherein as shown in fig. 1, 2, the rotating slide block 2 is located draw-in groove 601 position fixedly connected with swivel bearing 4, and the rotating slide block 2 is through setting up at 5 fixedly connected with bearing fixing base 1 of bearing locating pin 5 of its swivel bearing 4 center department, the middle part is provided with bearing groove 8 on the 1 side surface of bearing fixing base, swivel bearing 4 fixed connection is in bearing groove 8, swivel bearing 4 through setting up, be convenient for the rotation of rotating slide block 2, thereby be convenient for loose core, through bearing fixing base 1 that sets up, be used for fixing swivel bearing 4, and through the bearing groove 8 that sets up, be used for injecing bearing groove 8's position.

As shown in fig. 1, the middle part of the surface of one side of the rotating slider 2 is fixedly connected with an arc-shaped tube 16, the outer end part of the arc-shaped tube 16 is fixedly connected with an arc-shaped mold core 17, and the rotating bearing 4 is used for rotating downwards and drawing away from the glue position of the elbow pipe product through the arc-shaped tube 16 and the arc-shaped mold core 17.

The working principle is as follows: when the mold works, the injection molding machine injects glue to open the A/B template of the mold. The die button machine pulls the moving die B plate open by 42mm, the fixed slide block pull rod 7 retreats by 42mm synchronously, the rotary slide block 2 is dragged to move through the slide block positioning pin 3, the arc-shaped die core 17 is pulled away from the glue position of the bent pipe product according to the downward 45-degree downward rotation of the circular arc of the rotary bearing 4 at the position of the center point of the bent pipe product. And the ejector pin of the die pushes the four-way bent pipe product out of the die cavity. The injection machine starts mold closing according to the program and carries out injection molding in the next period.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a rotatory mechanism die structure of loosing core of circular four-way elbow, includes rotatory mechanism body of loosing core (18), its characterized in that: the rotary core-pulling mechanism is characterized in that the middle of the surface of the rotary core-pulling mechanism body (18) is rotatably connected with a rotary sliding block (2), two ends of the side surface of the rotary sliding block (2) are fixedly connected with sliding block pull rods (7) through sliding block positioning pins (3), the bottom end of the rotary core-pulling mechanism body (18) is fixedly connected with a bearing plate (15), and two ends of the upper surface of the bearing plate (15) are symmetrically and fixedly connected with a first limiting block (9) and a second limiting block (11).

2. The die structure of the circular four-way elbow rotating core-pulling mechanism according to claim 1, wherein slide rails (14) are symmetrically and fixedly connected to the middle portion of the other side of the upper surface of the bearing plate (15), slide blocks (12) are slidably connected to the slide rails (14), and second inner hexagonal screws (13) are threadedly connected to the middle portions of the two ends of the front surface of each slide block (12).

3. The die structure of the circular four-way elbow rotating core-pulling mechanism according to claim 1, wherein the bottom end of the sliding block pull rod (7) is connected to the middle part of the upper surface of the sliding block (12) through a second inner hexagonal screw (13) in a threaded manner, and the sliding block (12) is located outside the second limiting block (11).

4. The circular four-way elbow rotary core-pulling mechanism mold structure according to claim 1, characterized in that two sides of the middle of the rotary core-pulling mechanism body (18) are in threaded connection with bearing fixing seats (1) through first hexagon socket head cap screws (10), a glue position cavity (6) is arranged at the center of the rotary core-pulling mechanism body (18), clamping grooves (601) are arranged on two sides of the glue position cavity (6), and the rotary sliding block (2) is movably connected in the clamping grooves (601).

5. The circular four-way elbow pipe rotary core-pulling mechanism mold structure according to claim 1, wherein the rotary slide block (2) is fixedly connected with a rotary bearing (4) at the position of the clamping groove (601), the rotary slide block (2) is fixedly connected with a bearing fixing seat (1) through a bearing positioning pin (5) arranged at the center of the rotary bearing (4), a bearing groove (8) is arranged in the middle of the side surface of the bearing fixing seat (1), and the rotary bearing (4) is fixedly connected in the bearing groove (8).

6. The die structure of the circular four-way elbow rotating core-pulling mechanism according to claim 1, characterized in that the middle part of one side surface of the rotating slide block (2) is fixedly connected with an arc-shaped pipe (16), and the outer end part of the arc-shaped pipe (16) is fixedly connected with an arc-shaped die core (17).