CN214395184U

CN214395184U - Durable special-shaped core-pulling sleeve

Info

Publication number: CN214395184U
Application number: CN202023147794.4U
Authority: CN
Inventors: 勾建勇; 杜进
Original assignee: Jiangsu Rong Tai Industrial Ltd By Share Ltd
Current assignee: Jiangsu Rong Tai Industrial Ltd By Share Ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-10-15
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a durable dysmorphism core pulling cover relates to injection mold technical field. The utility model provides a durable dysmorphism core pulling sleeve, includes fixed die plate and movable mould board, the equal fixedly connected with L type fixed plate in both sides of fixed die plate, and the outside fixed mounting of one of them L type fixed plate has first electric putter, and the outside fixed mounting of another L type fixed plate has second electric putter, first electric putter's output fixedly connected with dysmorphism core pulling sleeve, second electric putter's output fixedly connected with cylinder is loosed core, dysmorphism core pulling sleeve is including the cover body of loosing core, and looses the inner wall of the cover body and seted up the spacing groove. The utility model discloses a setting of cylinder loose core, spacing groove, stopper, expanding spring and telescopic link has realized that usable this utility model dysmorphism loose core when moulding plastics overlaps and forms the hole at the pipe wall of tubulose injection molding, and then has saved the processing step at the trompil after moulding plastics, has practiced thrift process time, has promoted machining efficiency.

Description

Durable special-shaped core-pulling sleeve

Technical Field

The utility model relates to an injection mold technical field specifically is a durable dysmorphism core pulling cover.

Background

Injection molding is a method for producing and molding industrial products, and the products generally adopt rubber injection molding and plastic injection molding, and the injection molding can also be divided into injection molding and die casting methods.

To some tubulose injection molding, need set up the hole on its surface after the completion of moulding plastics to use in the later stage, the preparation mode of the trompil makes its manufacturing process comparatively loaded down with trivial details after moulding plastics, has reduced production efficiency, provides a durable dysmorphism core pulling cover for this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a durable dysmorphism core pulling cover to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a durable special-shaped core-pulling sleeve comprises a fixed template and a movable template, wherein both sides of the fixed template are fixedly connected with an L-shaped fixed plate, and the outer side of one L-shaped fixing plate is fixedly provided with a first electric push rod, the outer side of the other L-shaped fixing plate is fixedly provided with a second electric push rod, the output end of the first electric push rod is fixedly connected with a special-shaped core pulling sleeve, the output end of the second electric push rod is fixedly connected with a cylindrical core pulling sleeve, the special-shaped core pulling sleeve comprises a core pulling sleeve body, and the inner wall of the core-pulling sleeve body is provided with a limit groove, the core-pulling sleeve body is fixedly connected with an expansion spring through the limit groove, and the one end fixedly connected with stopper of expanding spring, spacing groove and stopper looks adaptation, one side fixedly connected with telescopic link of stopper, and the telescopic link runs through the cover body of loosing core, the cylinder is loosed core and is loosed core the cover body looks adaptation.

Preferably, positioning columns are fixedly connected to four corners of the front surface of the fixed template, positioning holes are formed in four corners of the movable template, and the positioning columns are matched with the positioning holes.

Preferably, the back of the fixed die plate is fixedly connected with an ejection frame, an ejection cavity is formed between the ejection frame and the fixed die plate, the inside of the ejection cavity is slidably connected with an ejection plate, the center of the ejection plate is fixedly connected with an ejection rod, and the ejection rod penetrates through the fixed die plate.

Preferably, the top end that stopper and cylinder were loosed core is circular-arc, and stopper and cylinder are loosed core and are self-lubricating metal material.

Preferably, the core pulling sleeve body is made of wear-resistant nitrided steel.

Preferably, the special-shaped core-pulling sleeve is respectively matched with the fixed die plate and the movable die plate, and the cylindrical core-pulling sleeve is respectively matched with the fixed die plate and the movable die plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this durable dysmorphism core pulling cover looses core through the cylinder, the setting of spacing groove, stopper, expanding spring and telescopic link, has realized that usable this utility model dysmorphism core pulling cover forms the hole at the pipe wall of tubulose injection molding when moulding plastics, and then has saved the processing step at the trompil after moulding plastics, has practiced thrift process time, has promoted machining efficiency.

(2) This durable dysmorphism core pulling cover, through the setting of circular-arc cylinder core pulling and stopper, realized using here utility model dysmorphism core pulling cover, can reduce the cylinder and loose core and the frictional force of stopper, and then can increase its life for it is more durable.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a right side view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a schematic view of the combination of the special-shaped core pulling sleeve and the cylindrical core pulling device of the present invention.

In the figure: 1. fixing a template; 2. moving the template; 3. an L-shaped fixing plate; 4. a first electric push rod; 5. a second electric push rod; 6. cylindrical core pulling; 7. a special-shaped core-pulling sleeve; 701. a core-pulling sleeve body; 702. a limiting groove; 703. a limiting block; 704. a tension spring; 705. a telescopic rod; 8. an ejection frame; 9. ejecting the plate; 10. ejecting the rod; 11. and a positioning column.

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.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1-4, the utility model provides a technical solution: a durable special-shaped core-pulling sleeve comprises a fixed template 1 and a movable template 2, wherein four corners of the front surface of the fixed template 1 are fixedly connected with positioning columns 11, four corners of the movable template 2 are provided with positioning holes, the positioning columns 11 are matched with the positioning holes, the back surface of the fixed template 1 is fixedly connected with an ejection frame 8, an ejection cavity is formed between the ejection frame 8 and the fixed template 1, the inside of the ejection cavity is slidably connected with an ejection plate 9, the center position of the ejection plate 9 is fixedly connected with an ejection rod 10, the ejection rod 10 penetrates through the fixed template 1, two sides of the fixed template 1 are fixedly connected with L-shaped fixed plates 3, the outer side of one L-shaped fixed plate 3 is fixedly provided with a first electric push rod 4, the outer side of the other L-shaped fixed plate 3 is fixedly provided with a second special-shaped electric push rod 5, the output end of the first electric push rod 4 is fixedly connected with a core-pulling sleeve 7, and the output end of the second electric push rod 5 is fixedly connected with a cylindrical core-pulling 6, the special-shaped core pulling sleeve 7 is respectively matched with the fixed die plate 1 and the movable die plate 2, the cylinder core pulling 6 is respectively matched with the fixed die plate 1 and the movable die plate 2, the special-shaped core pulling sleeve 7 comprises a core pulling sleeve body 701, a limiting groove 702 is formed in the inner wall of the core pulling sleeve body 701, the core pulling sleeve body 701 is fixedly connected with an expansion spring 704 through the limiting groove 702, a limiting block 703 is fixedly connected with one end of the expansion spring 704, the limiting groove 702 is matched with the limiting block 703, a telescopic rod 705 is fixedly connected with one side of the limiting block 703, the telescopic rod 705 penetrates through the core pulling sleeve body 701, the core pulling sleeve body 701 is made of wear-resistant nitrided steel, the cylinder core pulling 6 is matched with the core pulling sleeve body 701, the top ends of the limiting block 703 and the cylinder core pulling 6 are arc-shaped, and the limiting block 703 and the cylinder core pulling 6 are made of self-lubricating metal.

When the utility model is used for injection molding of the tubular injection molding part with the hole, the fixed mold plate 1 and the movable mold plate 2 are fixedly installed on the injection molding machine, the fixed mold plate 1 and the movable mold plate 2 are in an open state, the first electric push rod 4 and the second electric push rod 5 are further opened, the first electric push rod 4 inserts the special-shaped core pulling sleeve 7 into the fixed mold plate 1, the second electric push rod 5 inserts the cylindrical core pulling 6 into the core pulling sleeve body 701, the further cylindrical core pulling 6 slowly abuts against the limiting block 703, the limiting block 703 moves towards the inside of the limiting groove 702 under the extrusion force of the cylindrical core pulling 6, the core pulling limiting block 703 can push the telescopic rod 705 out of the outer surface of the sleeve body 701 in the moving process, the movable mold plate 2 and the fixed mold plate 1 are further controlled to be matched and injection molding is completed, due to the action of the telescopic rod 705, holes are formed on the outer surface of the injection molded tubular injection molding part, the movable mould plate 2 is further opened, the cylindrical core pulling 6 is pulled out through the second electric push rod 5, in the process of pulling out the cylindrical core pulling 6, due to the elastic action of the telescopic spring 704, the telescopic rod 705 resets, the special-shaped core pulling sleeve 7 is further pulled out through the first electric push rod 4, and then the injection molding piece is taken down.

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 durable dysmorphism core pulling cover, includes fixed die plate (1) and movable mould board (2), its characterized in that: the two sides of the fixed die plate (1) are fixedly connected with L-shaped fixed plates (3), the outer side of one L-shaped fixed plate (3) is fixedly provided with a first electric push rod (4), the outer side of the other L-shaped fixed plate (3) is fixedly provided with a second electric push rod (5), the output end of the first electric push rod (4) is fixedly connected with a special-shaped core pulling sleeve (7), the output end of the second electric push rod (5) is fixedly connected with a cylindrical core pulling sleeve (6), the special-shaped core pulling sleeve (7) comprises a core pulling sleeve body (701), the inner wall of the core pulling sleeve body (701) is provided with a limiting groove (702), the core pulling sleeve body (701) is fixedly connected with a telescopic spring (704) through the limiting groove (702), one end of the telescopic spring (704) is fixedly connected with a limiting block (703), the limiting groove (702) is matched with the limiting block (703), one side of the limiting block (703) is fixedly connected with a telescopic rod (705), and the telescopic rod (705) penetrates through the core-pulling sleeve body (701), and the cylindrical core-pulling (6) is matched with the core-pulling sleeve body (701).

2. A durable contoured core draw sleeve according to claim 1, wherein: positioning columns (11) are fixedly connected to four corners of the front face of the fixed die plate (1), positioning holes are formed in four corners of the movable die plate (2), and the positioning columns (11) are matched with the positioning holes.

3. A durable contoured core draw sleeve according to claim 1, wherein: the back fixedly connected with ejection frame (8) of fixed die plate (1), be formed with ejecting chamber between ejection frame (8) and fixed die plate (1), ejecting intracavity portion sliding connection has ejector plate (9), and the central point of ejector plate (9) puts fixedly connected with ejector rod (10), ejector rod (10) run through fixed die plate (1).

4. A durable contoured core draw sleeve according to claim 1, wherein: the top ends of the limiting block (703) and the cylindrical core-pulling part (6) are both arc-shaped, and the limiting block (703) and the cylindrical core-pulling part (6) are both made of self-lubricating metal materials.

5. A durable contoured core draw sleeve according to claim 1, wherein: the core-pulling sleeve body (701) is made of wear-resistant nitrided steel.

6. A durable contoured core draw sleeve according to claim 1, wherein: the special-shaped core pulling sleeve (7) is respectively matched with the fixed die plate (1) and the movable die plate (2), and the cylindrical core pulling sleeve (6) is respectively matched with the fixed die plate (1) and the movable die plate (2).